On Fri, Nov 12, 2021 at 12:57 PM Ricardo Ribalda <ribalda@xxxxxxxxxxxx> wrote:
>
> Never return V4L2_COLORSPACE_DEFAULT. From the standard:
>
> """
> In the absence of this descriptor, or in the case of
> “Unspecified” values within the descriptor, color matching
> defaults will be assumed. The color matching defaults are
> compliant with sRGB since the BT.709 transfer function and
> the sRGB transfer function are very similar.
> """
>
> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
> ---
> @James: Can you try this version? Thanks!
Yeah, that looks better I think:
# dmesg -c > /dev/null
# v4l2-ctl --all -d /dev/video0
Driver Info:
Driver name : uvcvideo
Card type : SVS RGB USB camera: SVS RGB USB
Bus info : usb-0000:00:14.0-2
Driver version : 5.15.0
Capabilities : 0x84a00001
Video Capture
Metadata Capture
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04200001
Video Capture
Streaming
Extended Pix Format
Media Driver Info:
Driver name : uvcvideo
Model : SVS RGB USB camera: SVS RGB USB
Serial : V20210818SWS2093
Bus info : usb-0000:00:14.0-2
Media version : 5.15.0
Hardware revision: 0x00000001 (1)
Driver version : 5.15.0
Interface Info:
ID : 0x03000002
Type : V4L Video
Entity Info:
ID : 0x00000001 (1)
Name : Video Capture 4
Function : V4L2 I/O
Flags : default
Pad 0x01000007 : 0: Sink
Link 0x02000010: from remote pad 0x100000a of entity 'Extension
3' (Video Pixel Formatter): Data, Enabled, Immutable
Priority: 2
Video input : 0 (Camera 1: ok)
Format Video Capture:
Width/Height : 640/480
Pixel Format : 'MJPG' (Motion-JPEG)
Field : None
Bytes per Line : 0
Size Image : 614400
Colorspace : sRGB
Transfer Function : Default (maps to sRGB)
YCbCr/HSV Encoding: Default (maps to ITU-R 601)
Quantization : Default (maps to Full Range)
Flags :
Crop Capability Video Capture:
Bounds : Left 0, Top 0, Width 640, Height 480
Default : Left 0, Top 0, Width 640, Height 480
Pixel Aspect: 1/1
Selection Video Capture: crop_default, Left 0, Top 0, Width 640,
Height 480, Flags:
Selection Video Capture: crop_bounds, Left 0, Top 0, Width 640, Height
480, Flags:
Streaming Parameters Video Capture:
Capabilities : timeperframe
Frames per second: 15.000 (15/1)
Read buffers : 0
User Controls
brightness 0x00980900 (int) : min=1 max=255
step=1 default=128 value=128
contrast 0x00980901 (int) : min=1 max=255
step=1 default=128 value=128
saturation 0x00980902 (int) : min=1 max=255
step=1 default=128 value=128
white_balance_automatic 0x0098090c (bool) : default=1 value=1
gamma 0x00980910 (int) : min=1 max=255
step=1 default=128 value=128
gain 0x00980913 (int) : min=1 max=100
step=1 default=50 value=50
power_line_frequency 0x00980918 (menu) : min=0 max=2
default=1 value=2 (60 Hz)
0: Disabled
1: 50 Hz
2: 60 Hz
white_balance_temperature 0x0098091a (int) : min=2800
max=6500 step=1 default=4650 value=4650 flags=inactive
sharpness 0x0098091b (int) : min=1 max=255
step=1 default=128 value=128
Camera Controls
auto_exposure 0x009a0901 (menu) : min=0 max=3
default=0 value=2 (Shutter Priority Mode)
0: Auto Mode
2: Shutter Priority Mode
exposure_time_absolute 0x009a0902 (int) : min=5 max=2500
step=1 default=5 value=5 flags=inactive
exposure_dynamic_framerate 0x009a0903 (bool) : default=0 value=0
# strace -f v4l2-compliance -d /dev/video0 -E
execve("/usr/bin/v4l2-compliance", ["v4l2-compliance", "-d",
"/dev/video0", "-E"], 0x7ffe21439b40 /* 13 vars */) = 0
brk(NULL) = 0x55c0dee1e000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = -1 ENOENT
(No such file or directory)
openat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v3/libv4l2.so.0",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v3", 0x7fff5f34ee70,
0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v2/libv4l2.so.0",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v2", 0x7fff5f34ee70,
0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/tls/haswell/x86_64/libv4l2.so.0",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/lib64/tls/haswell/x86_64", 0x7fff5f34ee70, 0) =
-1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/tls/haswell/libv4l2.so.0",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/lib64/tls/haswell", 0x7fff5f34ee70, 0) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/tls/x86_64/libv4l2.so.0", O_RDONLY|O_CLOEXEC)
= -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/lib64/tls/x86_64", 0x7fff5f34ee70, 0) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/tls/libv4l2.so.0", O_RDONLY|O_CLOEXEC) = -1
ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/lib64/tls", 0x7fff5f34ee70, 0) = -1 ENOENT (No
such file or directory)
openat(AT_FDCWD, "/lib64/haswell/x86_64/libv4l2.so.0",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/lib64/haswell/x86_64", 0x7fff5f34ee70, 0) = -1
ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/haswell/libv4l2.so.0", O_RDONLY|O_CLOEXEC) =
-1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/lib64/haswell", 0x7fff5f34ee70, 0) = -1 ENOENT
(No such file or directory)
openat(AT_FDCWD, "/lib64/x86_64/libv4l2.so.0", O_RDONLY|O_CLOEXEC) =
-1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/lib64/x86_64", 0x7fff5f34ee70, 0) = -1 ENOENT
(No such file or directory)
openat(AT_FDCWD, "/lib64/libv4l2.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\370\"\0\0\0\0\0\0"...,
832) = 832
pread64(3, "\4\0\0\0
\0\0\0\5\0\0\0GNU\0\1\0\1\300\4\0\0\0\t\0\0\0\0\0\0\0"..., 48, 35072)
= 48
newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=55392, ...}, AT_EMPTY_PATH) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7fbcff9a0000
mmap(NULL, 57808, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fbcff991000
mmap(0x7fbcff993000, 20480, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fbcff993000
mmap(0x7fbcff998000, 8192, PROT_READ,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7fbcff998000
mmap(0x7fbcff99a000, 24576, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x8000) = 0x7fbcff99a000
close(3) = 0
openat(AT_FDCWD, "/lib64/libv4lconvert.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\250D\0\0\0\0\0\0"...,
832) = 832
pread64(3, "\4\0\0\0
\0\0\0\5\0\0\0GNU\0\1\0\1\300\4\0\0\0\t\0\0\0\0\0\0\0"..., 48, 126512)
= 48
newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=137440, ...},
AT_EMPTY_PATH) = 0
mmap(NULL, 476256, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fbcff91c000
mprotect(0x7fbcff920000, 114688, PROT_NONE) = 0
mmap(0x7fbcff920000, 73728, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7fbcff920000
mmap(0x7fbcff932000, 36864, PROT_READ,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x7fbcff932000
mmap(0x7fbcff93c000, 12288, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1f000) = 0x7fbcff93c000
mmap(0x7fbcff93f000, 332896, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fbcff93f000
close(3) = 0
openat(AT_FDCWD, "/lib64/libjpeg.so.8", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@E\0\0\0\0\0\0"...,
832) = 832
newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=493408, ...},
AT_EMPTY_PATH) = 0
mmap(NULL, 495648, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fbcff8a2000
mmap(0x7fbcff8a6000, 237568, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7fbcff8a6000
mmap(0x7fbcff8e0000, 237568, PROT_READ,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3e000) = 0x7fbcff8e0000
mmap(0x7fbcff91a000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x77000) = 0x7fbcff91a000
close(3) = 0
openat(AT_FDCWD, "/lib64/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\214\n\0\0\0\0\0"...,
832) = 832
pread64(3, "\4\0\0\0
\0\0\0\5\0\0\0GNU\0\1\0\1\300\4\0\0\0\v\0\0\0\0\0\0\0"..., 48,
1457064) = 48
newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=1515608, ...},
AT_EMPTY_PATH) = 0
mmap(NULL, 1531392, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fbcff72c000
mmap(0x7fbcff7ce000, 524288, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xa2000) = 0x7fbcff7ce000
mmap(0x7fbcff84e000, 270336, PROT_READ,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x122000) = 0x7fbcff84e000
mmap(0x7fbcff890000, 61440, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x163000) = 0x7fbcff890000
mmap(0x7fbcff89f000, 11776, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fbcff89f000
close(3) = 0
openat(AT_FDCWD, "/lib64/libm.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\321\0\0\0\0\0\0"...,
832) = 832
newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=878512, ...},
AT_EMPTY_PATH) = 0
mmap(NULL, 880680, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fbcff654000
mprotect(0x7fbcff661000, 823296, PROT_NONE) = 0
mmap(0x7fbcff661000, 442368, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xd000) = 0x7fbcff661000
mmap(0x7fbcff6cd000, 376832, PROT_READ,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x79000) = 0x7fbcff6cd000
mmap(0x7fbcff72a000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xd5000) = 0x7fbcff72a000
close(3) = 0
openat(AT_FDCWD, "/lib64/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\3702\0\0\0\0\0\0"...,
832) = 832
pread64(3, "\4\0\0\0
\0\0\0\5\0\0\0GNU\0\1\0\1\300\4\0\0\0\v\0\0\0\0\0\0\0"..., 48, 71408)
= 48
newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=76144, ...}, AT_EMPTY_PATH) = 0
mmap(NULL, 78856, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fbcff640000
mmap(0x7fbcff643000, 49152, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7fbcff643000
mmap(0x7fbcff64f000, 12288, PROT_READ,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x7fbcff64f000
mmap(0x7fbcff652000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x11000) = 0x7fbcff652000
close(3) = 0
openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0
\224\2\0\0\0\0\0"..., 832) = 832
pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"...,
784, 64) = 784
pread64(3, "\4\0\0\0000\0\0\0\5\0\0\0GNU\0\2\200\0\300\4\0\0\0\3\0\0\0\0\0\0\0"...,
64, 848) = 64
pread64(3, "\4\0\0\0\20\0\0\0\1\0\0\0GNU\0\0\0\0\0\5\0\0\0\17\0\0\0\0\0\0\0",
32, 912) = 32
newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=2023720, ...},
AT_EMPTY_PATH) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7fbcff63e000
pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"...,
784, 64) = 784
mmap(NULL, 2075760, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fbcff443000
mprotect(0x7fbcff46b000, 1835008, PROT_NONE) = 0
mmap(0x7fbcff46b000, 1466368, PROT_READ|PROT_EXEC,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x28000) = 0x7fbcff46b000
mmap(0x7fbcff5d1000, 364544, PROT_READ,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x18e000) = 0x7fbcff5d1000
mmap(0x7fbcff62b000, 24576, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1e7000) = 0x7fbcff62b000
mmap(0x7fbcff631000, 52336, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fbcff631000
close(3) = 0
mmap(NULL, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7fbcff440000
arch_prctl(ARCH_SET_FS, 0x7fbcff440740) = 0
set_tid_address(0x7fbcff440a10) = 521
set_robust_list(0x7fbcff440a20, 24) = 0
mprotect(0x7fbcff62b000, 16384, PROT_READ) = 0
mprotect(0x7fbcff652000, 4096, PROT_READ) = 0
mprotect(0x7fbcff72a000, 4096, PROT_READ) = 0
mprotect(0x7fbcff890000, 45056, PROT_READ) = 0
mprotect(0x7fbcff91a000, 4096, PROT_READ) = 0
mprotect(0x7fbcff93c000, 8192, PROT_READ) = 0
mprotect(0x7fbcff99a000, 4096, PROT_READ) = 0
mprotect(0x55c0ddde6000, 8192, PROT_READ) = 0
mprotect(0x7fbcff9d1000, 8192, PROT_READ) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024,
rlim_max=RLIM64_INFINITY}) = 0
getrandom("\x8d\xf6\x56\xbc\x82\x5d\xe5\x46", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55c0dee1e000
brk(0x55c0dee3f000) = 0x55c0dee3f000
futex(0x7fbcff89fcbc, FUTEX_WAKE_PRIVATE, 2147483647) = 0
futex(0x7fbcff89fcc8, FUTEX_WAKE_PRIVATE, 2147483647) = 0
ioctl(1, TCGETS, {B38400 opost isig icanon echo ...}) = 0
newfstatat(1, "", {st_mode=S_IFCHR|0620, st_rdev=makedev(0x88, 0),
...}, AT_EMPTY_PATH) = 0
write(1, "v4l2-compliance 1.22.1, 64 bits,"..., 47v4l2-compliance
1.22.1, 64 bits, 64-bit time_t
) = 47
write(1, "\n", 1
) = 1
newfstatat(AT_FDCWD, "/dev/video0", {st_mode=S_IFCHR|0660,
st_rdev=makedev(0x51, 0), ...}, 0) = 0
openat(AT_FDCWD, "/sys/dev/char/81:0/uevent", O_RDONLY) = 3
read(3, "MAJOR=81\nMINOR=0\nDEVNAME=video0\n", 8191) = 32
close(3) = 0
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 3
ioctl(3, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=0}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34e55c) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
newfstatat(3, "", {st_mode=S_IFCHR|0660, st_rdev=makedev(0x51, 0),
...}, AT_EMPTY_PATH) = 0
openat(AT_FDCWD, "/sys/dev/char/81:0/device",
O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x55c0dee30500 /* 26 entries */, 32768) = 936
openat(AT_FDCWD, "/dev/media0", O_RDWR) = 5
close(4) = 0
ioctl(5, MEDIA_IOC_DEVICE_INFO, 0x7fff5f34db58) = 0
write(1, "Compliance test for uvcvideo dev"..., 50Compliance test for
uvcvideo device /dev/video0:
) = 50
write(1, "Driver Info:\n", 13Driver Info:
) = 13
write(1, "\tDriver name : uvcvideo\n", 29 Driver name : uvcvideo
) = 29
write(1, "\tCard type : SVS RGB USB "..., 52 Card type
: SVS RGB USB camera: SVS RGB USB
) = 52
write(1, "\tBus info : usb-0000:00:"..., 39 Bus info
: usb-0000:00:14.0-2
) = 39
write(1, "\tDriver version : 5.15.0\n", 27 Driver version : 5.15.0
) = 27
write(1, "\tCapabilities : 0x84a00001\n", 31 Capabilities :
0x84a00001
) = 31
write(1, "\t\tVideo Capture\n\t\tMetadata Captu"..., 91 Video Capture
Metadata Capture
Streaming
Extended Pix Format
Device Capabilities
) = 91
write(1, "\tDevice Caps : 0x04200001\n", 31 Device Caps :
0x04200001
) = 31
write(1, "\t\tVideo Capture\n\t\tStreaming\n\t\tEx"..., 50 Video Capture
Streaming
Extended Pix Format
) = 50
ioctl(5, MEDIA_IOC_DEVICE_INFO, 0x7fff5f34d758) = 0
write(1, "Media Driver Info:\n", 19Media Driver Info:
) = 19
write(1, "\tDriver name : uvcvideo\n", 29 Driver name : uvcvideo
) = 29
write(1, "\tModel : SVS RGB USB "..., 52 Model
: SVS RGB USB camera: SVS RGB USB
) = 52
write(1, "\tSerial : V20210818SWS"..., 37 Serial
: V20210818SWS2093
) = 37
write(1, "\tBus info : usb-0000:00:"..., 39 Bus info
: usb-0000:00:14.0-2
) = 39
write(1, "\tMedia version : 5.15.0\n", 27 Media version : 5.15.0
) = 27
write(1, "\tHardware revision: 0x00000001 ("..., 35 Hardware
revision: 0x00000001 (1)
) = 35
write(1, "\tDriver version : 5.15.0\n", 27 Driver version : 5.15.0
) = 27
newfstatat(3, "", {st_mode=S_IFCHR|0660, st_rdev=makedev(0x51, 0),
...}, AT_EMPTY_PATH) = 0
ioctl(5, MEDIA_IOC_G_TOPOLOGY, 0x7fff5f34d638) = 0
ioctl(5, MEDIA_IOC_G_TOPOLOGY, 0x7fff5f34d638) = 0
write(1, "Interface Info:\n", 16Interface Info:
) = 16
write(1, "\tID : 0x03000002\n", 31 ID :
0x03000002
) = 31
write(1, "\tType : V4L Video\n", 30 Type : V4L Video
) = 30
write(1, "Entity Info:\n", 13Entity Info:
) = 13
write(1, "\tID : 0x00000001 ("..., 35 ID
: 0x00000001 (1)
) = 35
write(1, "\tName : Video Captur"..., 36 Name
: Video Capture 4
) = 36
write(1, "\tFunction : V4L2 I/O\n", 29 Function : V4L2 I/O
) = 29
write(1, "\tFlags : default\n", 28 Flags : default
) = 28
write(1, "\tPad 0x01000007 : 0: Sink\n", 28 Pad 0x01000007 : 0: Sink
) = 28
write(1, "\t Link 0x02000010: from remote "..., 120 Link
0x02000010: from remote pad 0x100000a of entity 'Extension 3' (Video
Pixel Formatter): Data, Enabled, Immutable
) = 120
ioctl(5, MEDIA_IOC_ENUM_ENTITIES, 0x7fff5f34e930) = 0
ioctl(5, MEDIA_IOC_ENUM_LINKS, 0x7fff5f34db58) = 0
write(1, "\n", 1
) = 1
write(1, "Required ioctls:\n", 17Required ioctls:
) = 17
write(1, "\ttest MC information (see 'Media"..., 66 test MC
information (see 'Media Driver Info' above): OK
) = 66
ioctl(3, VIDIOC_QUERYCAP, NULL) = -1 EFAULT (Bad address)
ioctl(3, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
write(1, "\ttest VIDIOC_QUERYCAP: \33[32mOK\33["..., 35 test
VIDIOC_QUERYCAP: OK
) = 35
ioctl(3, _IOC(_IOC_NONE, 0x56, 0xff, 0), 0) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, _IOC(_IOC_NONE, 0x56, 0, 0x3fff), 0) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, _IOC(_IOC_READ, 0x56, 0, 0x3fff), 0x7fff5f349978) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, _IOC(_IOC_WRITE, 0x56, 0, 0x3fff), 0x7fff5f349978) = -1
ENOTTY (Inappropriate ioctl for device)
ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x56, 0, 0x3fff), 0x7fff5f349978)
= -1 ENOTTY (Inappropriate ioctl for device)
write(1, "\ttest invalid ioctls: \33[32mOK\33[0"..., 34 test
invalid ioctls: OK
) = 34
write(1, "\n", 1
) = 1
write(1, "Allow for multiple opens:\n", 26Allow for multiple opens:
) = 26
dup(3) = 4
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 6
close(4) = 0
ioctl(6, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
ioctl(6, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(6, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=0}) = 0
ioctl(6, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(6, VIDIOC_G_SELECTION, 0x7fff5f34d7ec) = -1 EINVAL (Invalid argument)
write(1, "\ttest second /dev/video0 open: \33"..., 43 test second
/dev/video0 open: OK
) = 43
ioctl(6, VIDIOC_QUERYCAP, NULL) = -1 EFAULT (Bad address)
ioctl(6, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
write(1, "\ttest VIDIOC_QUERYCAP: \33[32mOK\33["..., 35 test
VIDIOC_QUERYCAP: OK
) = 35
ioctl(3, VIDIOC_G_PRIORITY, 0x7fff5f34d974) = 0
ioctl(6, VIDIOC_G_PRIORITY, 0x7fff5f34d974) = 0
ioctl(3, VIDIOC_S_PRIORITY, 0x7fff5f34d9f0) = 0
ioctl(3, VIDIOC_G_PRIORITY, 0x7fff5f34d974) = 0
ioctl(6, VIDIOC_G_PRIORITY, 0x7fff5f34d974) = 0
ioctl(6, VIDIOC_S_PRIORITY, 0x7fff5f34d9f0) = -1 EBUSY (Device or resource busy)
ioctl(3, VIDIOC_S_PRIORITY, 0x7fff5f34d9f0) = 0
ioctl(3, VIDIOC_G_PRIORITY, 0x7fff5f34d974) = 0
ioctl(6, VIDIOC_G_PRIORITY, 0x7fff5f34d974) = 0
write(1, "\ttest VIDIOC_G/S_PRIORITY: \33[32m"..., 39 test
VIDIOC_G/S_PRIORITY: OK
) = 39
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 4
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 7
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 8
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 9
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 10
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 11
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 12
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 13
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 14
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 15
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 16
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 17
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 18
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 19
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 20
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 21
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 22
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 23
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 24
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 25
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 26
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 27
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 28
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 29
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 30
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 31
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 32
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 33
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 34
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 35
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 36
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 37
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 38
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 39
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 40
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 41
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 42
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 43
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 44
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 45
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 46
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 47
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 48
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 49
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 50
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 51
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 52
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 53
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 54
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 55
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 56
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 57
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 58
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 59
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 60
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 61
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 62
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 63
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 64
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 65
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 66
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 67
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 68
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 69
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 70
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 71
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 72
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 73
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 74
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 75
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 76
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 77
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 78
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 79
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 80
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 81
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 82
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 83
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 84
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 85
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 86
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 87
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 88
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 89
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 90
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 91
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 92
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 93
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 94
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 95
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 96
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 97
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 98
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 99
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 100
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 101
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 102
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 103
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 104
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 105
close(105) = 0
close(104) = 0
close(103) = 0
close(102) = 0
close(101) = 0
close(100) = 0
close(99) = 0
close(98) = 0
close(97) = 0
close(96) = 0
close(95) = 0
close(94) = 0
close(93) = 0
close(92) = 0
close(91) = 0
close(90) = 0
close(89) = 0
close(88) = 0
close(87) = 0
close(86) = 0
close(85) = 0
close(84) = 0
close(83) = 0
close(82) = 0
close(81) = 0
close(80) = 0
close(79) = 0
close(78) = 0
close(77) = 0
close(76) = 0
close(75) = 0
close(74) = 0
close(73) = 0
close(72) = 0
close(71) = 0
close(70) = 0
close(69) = 0
close(68) = 0
close(67) = 0
close(66) = 0
close(65) = 0
close(64) = 0
close(63) = 0
close(62) = 0
close(61) = 0
close(60) = 0
close(59) = 0
close(58) = 0
close(57) = 0
close(56) = 0
close(55) = 0
close(54) = 0
close(53) = 0
close(52) = 0
close(51) = 0
close(50) = 0
close(49) = 0
close(48) = 0
close(47) = 0
close(46) = 0
close(45) = 0
close(44) = 0
close(43) = 0
close(42) = 0
close(41) = 0
close(40) = 0
close(39) = 0
close(38) = 0
close(37) = 0
close(36) = 0
close(35) = 0
close(34) = 0
close(33) = 0
close(32) = 0
close(31) = 0
close(30) = 0
close(29) = 0
close(28) = 0
close(27) = 0
close(26) = 0
close(25) = 0
close(24) = 0
close(23) = 0
close(22) = 0
close(21) = 0
close(20) = 0
close(19) = 0
close(18) = 0
close(17) = 0
close(16) = 0
close(15) = 0
close(14) = 0
close(13) = 0
close(12) = 0
close(11) = 0
close(10) = 0
close(9) = 0
close(8) = 0
close(7) = 0
close(4) = 0
write(1, "\ttest for unlimited opens: \33[32m"..., 39 test for
unlimited opens: OK
) = 39
write(1, "\n", 1
) = 1
ioctl(3, VIDIOC_G_INPUT, [0]) = 0
ioctl(3, VIDIOC_ENUMINPUT, {index=0, name="Camera 1",
type=V4L2_INPUT_TYPE_CAMERA}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34da6c) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34da6c) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/15, extendedmode=0, readbuffers=0}}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CTRL_CLASS_USER+0x1
=> V4L2_CID_BRIGHTNESS, type=V4L2_CTRL_TYPE_INTEGER,
name="Brightness", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_BRIGHTNESS
=> V4L2_CID_CONTRAST, type=V4L2_CTRL_TYPE_INTEGER, name="Contrast",
...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_CONTRAST
=> V4L2_CID_SATURATION, type=V4L2_CTRL_TYPE_INTEGER,
name="Saturation", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_SATURATION
=> V4L2_CID_AUTO_WHITE_BALANCE, type=V4L2_CTRL_TYPE_BOOLEAN,
name="White Balance, Automatic", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_AUTO_WHITE_BALANCE
=> V4L2_CID_GAMMA, type=V4L2_CTRL_TYPE_INTEGER, name="Gamma", ...}) =
0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_GAMMA
=> V4L2_CID_GAIN, type=V4L2_CTRL_TYPE_INTEGER, name="Gain", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_GAIN
=> V4L2_CID_POWER_LINE_FREQUENCY, type=V4L2_CTRL_TYPE_MENU,
name="Power Line Frequency", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_POWER_LINE_FREQUENCY
=> V4L2_CID_WHITE_BALANCE_TEMPERATURE, type=V4L2_CTRL_TYPE_INTEGER,
name="White Balance Temperature", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_WHITE_BALANCE_TEMPERATURE
=> V4L2_CID_SHARPNESS, type=V4L2_CTRL_TYPE_INTEGER, name="Sharpness",
...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_SHARPNESS
=> V4L2_CTRL_CLASS_CAMERA+0x1, type=V4L2_CTRL_TYPE_CTRL_CLASS,
name="Camera Controls", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CTRL_CLASS_CAMERA+0x1
=> V4L2_CID_EXPOSURE_AUTO, type=V4L2_CTRL_TYPE_MENU, name="Auto
Exposure", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_EXPOSURE_AUTO
=> V4L2_CID_EXPOSURE_ABSOLUTE, type=V4L2_CTRL_TYPE_INTEGER,
name="Exposure Time, Absolute", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_EXPOSURE_ABSOLUTE
=> V4L2_CID_EXPOSURE_AUTO_PRIORITY, type=V4L2_CTRL_TYPE_BOOLEAN,
name="Exposure, Dynamic Framerate", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_EXPOSURE_AUTO_PRIORITY})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=12, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=128}, {id=V4L2_CID_CONTRAST, size=0, value=128, value64=128},
{id=V4L2_CID_SATURATION, size=0, value=128, value64=128},
{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1, value64=1},
{id=V4L2_CID_GAMMA, size=0, value=128, value64=128},
{id=V4L2_CID_GAIN, size=0, value=50, value64=50},
{id=V4L2_CID_POWER_LINE_FREQUENCY, size=0, value=2, value64=2},
{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, size=0, value=4650,
value64=4650}, {id=V4L2_CID_SHARPNESS, size=0, value=128,
value64=128}, {id=V4L2_CID_EXPOSURE_AUTO, size=0, value=2, value64=2},
{id=V4L2_CID_EXPOSURE_ABSOLUTE, size=0, value=5, value64=5},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0, value64=0}]}) =
0
rt_sigaction(SIGINT, {sa_handler=0x55c0ddd8ebf6, sa_mask=[INT],
sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7fbcff480420},
{sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
write(1, "Debug ioctls:\n", 14Debug ioctls:
) = 14
getuid() = 0
ioctl(3, VIDIOC_DBG_G_REGISTER, 0x7fff5f34d868) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_DBG_G/S_REGISTER: \33"..., 59 test
VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
) = 59
ioctl(3, VIDIOC_LOG_STATUS, 0) = -1 ENOTTY (Inappropriate
ioctl for device)
write(1, "\ttest VIDIOC_LOG_STATUS: \33[32mOK"..., 53 test
VIDIOC_LOG_STATUS: OK (Not Supported)
) = 53
write(1, "\n", 1
) = 1
write(1, "Input ioctls:\n", 14Input ioctls:
) = 14
ioctl(3, VIDIOC_G_STD, 0x7fff5f34d8a0) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, VIDIOC_G_TUNER, {index=0}) = -1 ENOTTY (Inappropriate
ioctl for device)
write(1, "\ttest VIDIOC_G/S_TUNER/ENUM_FREQ"..., 68 test
VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
) = 68
ioctl(3, VIDIOC_G_FREQUENCY, 0x7fff5f34d898) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, VIDIOC_S_FREQUENCY, 0x7fff5f34d898) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_G/S_FREQUENCY: \33[32"..., 56 test
VIDIOC_G/S_FREQUENCY: OK (Not Supported)
) = 56
ioctl(3, VIDIOC_S_HW_FREQ_SEEK, 0x7fff5f34d8e4) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_S_HW_FREQ_SEEK: \33[3"..., 57 test
VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
) = 57
ioctl(3, VIDIOC_ENUMAUDIO, 0x7fff5f34d944) = -1 ENOTTY (Inappropriate
ioctl for device)
write(1, "\ttest VIDIOC_ENUMAUDIO: \33[32mOK\33"..., 52 test
VIDIOC_ENUMAUDIO: OK (Not Supported)
) = 52
ioctl(3, VIDIOC_G_INPUT, [0]) = 0
ioctl(3, VIDIOC_ENUMINPUT, {index=0, name="Camera 1",
type=V4L2_INPUT_TYPE_CAMERA}) = 0
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d8c8) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUMINPUT, {index=1}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_INPUT, [1]) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
write(1, "\ttest VIDIOC_G/S/ENUMINPUT: \33[32"..., 40 test
VIDIOC_G/S/ENUMINPUT: OK
) = 40
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
ioctl(3, VIDIOC_ENUMINPUT, {index=0, name="Camera 1",
type=V4L2_INPUT_TYPE_CAMERA}) = 0
ioctl(3, VIDIOC_G_AUDIO, 0x7fff5f34d8d4) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, VIDIOC_S_AUDIO, 0x7fff5f34d8d4) = -1 ENOTTY (Inappropriate
ioctl for device)
write(1, "\ttest VIDIOC_G/S_AUDIO: \33[32mOK\33"..., 52 test
VIDIOC_G/S_AUDIO: OK (Not Supported)
) = 52
write(1, "\tInputs: 1 Audio Inputs: 0 Tuner"..., 37 Inputs: 1 Audio
Inputs: 0 Tuners: 0
) = 37
write(1, "\n", 1
) = 1
write(1, "Output ioctls:\n", 15Output ioctls:
) = 15
ioctl(3, VIDIOC_G_MODULATOR, 0x7fff5f34d914) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_G/S_MODULATOR: \33[32"..., 56 test
VIDIOC_G/S_MODULATOR: OK (Not Supported)
) = 56
ioctl(3, VIDIOC_G_FREQUENCY, 0x7fff5f34d8f8) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, VIDIOC_S_FREQUENCY, 0x7fff5f34d8f8) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_G/S_FREQUENCY: \33[32"..., 56 test
VIDIOC_G/S_FREQUENCY: OK (Not Supported)
) = 56
ioctl(3, VIDIOC_ENUMAUDOUT, 0x7fff5f34d944) = -1 ENOTTY (Inappropriate
ioctl for device)
write(1, "\ttest VIDIOC_ENUMAUDOUT: \33[32mOK"..., 53 test
VIDIOC_ENUMAUDOUT: OK (Not Supported)
) = 53
ioctl(3, VIDIOC_G_OUTPUT, 0x7fff5f34d8c8) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, VIDIOC_ENUMOUTPUT, 0x7fff5f34d910) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, VIDIOC_S_OUTPUT, 0x7fff5f34d8cc) = -1 ENOTTY (Inappropriate
ioctl for device)
write(1, "\ttest VIDIOC_G/S/ENUMOUTPUT: \33[3"..., 57 test
VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
) = 57
write(1, "\ttest VIDIOC_G/S_AUDOUT: \33[32mOK"..., 53 test
VIDIOC_G/S_AUDOUT: OK (Not Supported)
) = 53
write(1, "\tOutputs: 0 Audio Outputs: 0 Mod"..., 43 Outputs: 0
Audio Outputs: 0 Modulators: 0
) = 43
write(1, "\n", 1
) = 1
write(1, "Input/Output configuration ioctl"..., 35Input/Output
configuration ioctls:
) = 35
ioctl(3, VIDIOC_ENUMINPUT, {index=0, name="Camera 1",
type=V4L2_INPUT_TYPE_CAMERA}) = 0
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
ioctl(3, VIDIOC_G_STD, 0x7fff5f34d828) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, VIDIOC_S_STD, [0]) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, VIDIOC_S_STD, [0x3000000]) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, VIDIOC_ENUMSTD, {index=0}) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, VIDIOC_QUERYSTD, 0x7fff5f34d828) = -1 ENOTTY (Inappropriate
ioctl for device)
write(1, "\ttest VIDIOC_ENUM/G/S/QUERY_STD:"..., 61 test
VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
) = 61
ioctl(3, VIDIOC_ENUMINPUT, {index=0, name="Camera 1",
type=V4L2_INPUT_TYPE_CAMERA}) = 0
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
ioctl(3, VIDIOC_G_DV_TIMINGS, 0x7fff5f34d3dc) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, VIDIOC_ENUM_DV_TIMINGS, 0x7fff5f34d4e4) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, VIDIOC_QUERY_DV_TIMINGS, 0x7fff5f34d3dc) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_ENUM/G/S/QUERY_DV_T"..., 68 test
VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
) = 68
ioctl(3, VIDIOC_ENUMINPUT, {index=0, name="Camera 1",
type=V4L2_INPUT_TYPE_CAMERA}) = 0
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
ioctl(3, VIDIOC_DV_TIMINGS_CAP, 0x7fff5f34d7f8) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_DV_TIMINGS_CAP: \33[3"..., 57 test
VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
) = 57
ioctl(3, VIDIOC_ENUMINPUT, {index=0, name="Camera 1",
type=V4L2_INPUT_TYPE_CAMERA}) = 0
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
ioctl(3, VIDIOC_G_EDID, 0x7fff5f345850) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, VIDIOC_S_EDID, 0x7fff5f345850) = -1 ENOTTY (Inappropriate
ioctl for device)
write(1, "\ttest VIDIOC_G/S_EDID: \33[32mOK\33["..., 51 test
VIDIOC_G/S_EDID: OK (Not Supported)
) = 51
write(1, "\n", 1
) = 1
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
ioctl(3, VIDIOC_ENUMINPUT, {index=0, name="Camera 1",
type=V4L2_INPUT_TYPE_CAMERA}) = 0
write(1, "Control ioctls (Input 0):\n", 26Control ioctls (Input 0):
) = 26
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CTRL_CLASS_USER+0x1
=> V4L2_CID_BRIGHTNESS, type=V4L2_CTRL_TYPE_INTEGER,
name="Brightness", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_BRIGHTNESS
=> V4L2_CID_CONTRAST, type=V4L2_CTRL_TYPE_INTEGER, name="Contrast",
...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_CONTRAST
=> V4L2_CID_SATURATION, type=V4L2_CTRL_TYPE_INTEGER,
name="Saturation", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_SATURATION
=> V4L2_CID_AUTO_WHITE_BALANCE, type=V4L2_CTRL_TYPE_BOOLEAN,
name="White Balance, Automatic", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_AUTO_WHITE_BALANCE
=> V4L2_CID_GAMMA, type=V4L2_CTRL_TYPE_INTEGER, name="Gamma", ...}) =
0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_GAMMA
=> V4L2_CID_GAIN, type=V4L2_CTRL_TYPE_INTEGER, name="Gain", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_GAIN
=> V4L2_CID_POWER_LINE_FREQUENCY, type=V4L2_CTRL_TYPE_MENU,
name="Power Line Frequency", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_POWER_LINE_FREQUENCY
=> V4L2_CID_WHITE_BALANCE_TEMPERATURE, type=V4L2_CTRL_TYPE_INTEGER,
name="White Balance Temperature", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_WHITE_BALANCE_TEMPERATURE
=> V4L2_CID_SHARPNESS, type=V4L2_CTRL_TYPE_INTEGER, name="Sharpness",
...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_SHARPNESS
=> V4L2_CTRL_CLASS_CAMERA+0x1, type=V4L2_CTRL_TYPE_CTRL_CLASS,
name="Camera Controls", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CTRL_CLASS_CAMERA+0x1
=> V4L2_CID_EXPOSURE_AUTO, type=V4L2_CTRL_TYPE_MENU, name="Auto
Exposure", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_EXPOSURE_AUTO
=> V4L2_CID_EXPOSURE_ABSOLUTE, type=V4L2_CTRL_TYPE_INTEGER,
name="Exposure Time, Absolute", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_EXPOSURE_ABSOLUTE
=> V4L2_CID_EXPOSURE_AUTO_PRIORITY, type=V4L2_CTRL_TYPE_BOOLEAN,
name="Exposure, Dynamic Framerate", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|V4L2_CID_EXPOSURE_AUTO_PRIORITY})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_CLASS_USER+0x1 =>
V4L2_CID_BRIGHTNESS, type=V4L2_CTRL_TYPE_INTEGER, name="Brightness",
...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_BRIGHTNESS => V4L2_CID_CONTRAST,
type=V4L2_CTRL_TYPE_INTEGER, name="Contrast", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_CONTRAST => V4L2_CID_SATURATION,
type=V4L2_CTRL_TYPE_INTEGER, name="Saturation", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_SATURATION =>
V4L2_CID_AUTO_WHITE_BALANCE, type=V4L2_CTRL_TYPE_BOOLEAN, name="White
Balance, Automatic", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_AUTO_WHITE_BALANCE =>
V4L2_CID_GAMMA, type=V4L2_CTRL_TYPE_INTEGER, name="Gamma", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_GAMMA => V4L2_CID_GAIN,
type=V4L2_CTRL_TYPE_INTEGER, name="Gain", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_GAIN =>
V4L2_CID_POWER_LINE_FREQUENCY, type=V4L2_CTRL_TYPE_MENU, name="Power
Line Frequency", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_POWER_LINE_FREQUENCY =>
V4L2_CID_WHITE_BALANCE_TEMPERATURE, type=V4L2_CTRL_TYPE_INTEGER,
name="White Balance Temperature", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_WHITE_BALANCE_TEMPERATURE =>
V4L2_CID_SHARPNESS, type=V4L2_CTRL_TYPE_INTEGER, name="Sharpness",
...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_SHARPNESS =>
V4L2_CTRL_CLASS_CAMERA+0x1, type=V4L2_CTRL_TYPE_CTRL_CLASS,
name="Camera Controls", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_CLASS_CAMERA+0x1 =>
V4L2_CID_EXPOSURE_AUTO, type=V4L2_CTRL_TYPE_MENU, name="Auto
Exposure", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_EXPOSURE_AUTO =>
V4L2_CID_EXPOSURE_ABSOLUTE, type=V4L2_CTRL_TYPE_INTEGER,
name="Exposure Time, Absolute", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_EXPOSURE_ABSOLUTE =>
V4L2_CID_EXPOSURE_AUTO_PRIORITY, type=V4L2_CTRL_TYPE_BOOLEAN,
name="Exposure, Dynamic Framerate", ...}) = 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_EXPOSURE_AUTO_PRIORITY}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_BRIGHTNESS,
type=V4L2_CTRL_TYPE_INTEGER, name="Brightness", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_CONTRAST,
type=V4L2_CTRL_TYPE_INTEGER, name="Contrast", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_SATURATION,
type=V4L2_CTRL_TYPE_INTEGER, name="Saturation", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_HUE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CTRL_CLASS_USER+0x904}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_AUDIO_VOLUME}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_AUDIO_BALANCE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_AUDIO_BASS}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_AUDIO_TREBLE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_AUDIO_MUTE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_AUDIO_LOUDNESS}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_BLACK_LEVEL}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_AUTO_WHITE_BALANCE,
type=V4L2_CTRL_TYPE_BOOLEAN, name="White Balance, Automatic", ...}) =
0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_DO_WHITE_BALANCE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_RED_BALANCE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_BLUE_BALANCE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_GAMMA,
type=V4L2_CTRL_TYPE_INTEGER, name="Gamma", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_EXPOSURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_AUTOGAIN}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_GAIN,
type=V4L2_CTRL_TYPE_INTEGER, name="Gain", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_HFLIP}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_VFLIP}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_HCENTER}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_VCENTER}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_POWER_LINE_FREQUENCY,
type=V4L2_CTRL_TYPE_MENU, name="Power Line Frequency", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_HUE_AUTO}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, type=V4L2_CTRL_TYPE_INTEGER,
name="White Balance Temperature", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_SHARPNESS,
type=V4L2_CTRL_TYPE_INTEGER, name="Sharpness", ...}) = 0
ioctl(3, VIDIOC_QUERYMENU, 0x7fff5f34d7cc) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_BACKLIGHT_COMPENSATION})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_CHROMA_AGC}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_COLOR_KILLER}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_COLORFX}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_AUTOBRIGHTNESS}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_BAND_STOP_FILTER}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_ROTATE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_BG_COLOR}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_CHROMA_GAIN}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_ILLUMINATORS_1}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_ILLUMINATORS_2}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_MIN_BUFFERS_FOR_CAPTURE})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_MIN_BUFFERS_FOR_OUTPUT})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_ALPHA_COMPONENT}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=V4L2_CID_COLORFX_CBCR}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERY_EXT_CTRL, {id=0x8000000 /* V4L2_CID_??? */}) =
-1 EINVAL (Invalid argument)
write(1, "\ttest VIDIOC_QUERY_EXT_CTRL/QUER"..., 51 test
VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
) = 51
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_CLASS_USER+0x1 =>
V4L2_CID_BRIGHTNESS, type=V4L2_CTRL_TYPE_INTEGER, name="Brightness",
...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_BRIGHTNESS => V4L2_CID_CONTRAST,
type=V4L2_CTRL_TYPE_INTEGER, name="Contrast", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_CONTRAST => V4L2_CID_SATURATION,
type=V4L2_CTRL_TYPE_INTEGER, name="Saturation", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_SATURATION =>
V4L2_CID_AUTO_WHITE_BALANCE, type=V4L2_CTRL_TYPE_BOOLEAN, name="White
Balance, Automatic", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_AUTO_WHITE_BALANCE =>
V4L2_CID_GAMMA, type=V4L2_CTRL_TYPE_INTEGER, name="Gamma", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_GAMMA
=> V4L2_CID_GAIN, type=V4L2_CTRL_TYPE_INTEGER, name="Gain", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_GAIN
=> V4L2_CID_POWER_LINE_FREQUENCY, type=V4L2_CTRL_TYPE_MENU,
name="Power Line Frequency", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_POWER_LINE_FREQUENCY =>
V4L2_CID_WHITE_BALANCE_TEMPERATURE, type=V4L2_CTRL_TYPE_INTEGER,
name="White Balance Temperature", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_WHITE_BALANCE_TEMPERATURE =>
V4L2_CID_SHARPNESS, type=V4L2_CTRL_TYPE_INTEGER, name="Sharpness",
...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_SHARPNESS =>
V4L2_CTRL_CLASS_CAMERA+0x1, type=V4L2_CTRL_TYPE_CTRL_CLASS,
name="Camera Controls", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_CLASS_CAMERA+0x1 =>
V4L2_CID_EXPOSURE_AUTO, type=V4L2_CTRL_TYPE_MENU, name="Auto
Exposure", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_EXPOSURE_AUTO =>
V4L2_CID_EXPOSURE_ABSOLUTE, type=V4L2_CTRL_TYPE_INTEGER,
name="Exposure Time, Absolute", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_EXPOSURE_ABSOLUTE =>
V4L2_CID_EXPOSURE_AUTO_PRIORITY, type=V4L2_CTRL_TYPE_BOOLEAN,
name="Exposure, Dynamic Framerate", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CID_EXPOSURE_AUTO_PRIORITY}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_BRIGHTNESS,
type=V4L2_CTRL_TYPE_INTEGER, name="Brightness", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_CONTRAST,
type=V4L2_CTRL_TYPE_INTEGER, name="Contrast", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_SATURATION,
type=V4L2_CTRL_TYPE_INTEGER, name="Saturation", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_HUE}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_CLASS_USER+0x904}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_AUDIO_VOLUME}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_AUDIO_BALANCE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_AUDIO_BASS}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_AUDIO_TREBLE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_AUDIO_MUTE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_AUDIO_LOUDNESS}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_BLACK_LEVEL}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_AUTO_WHITE_BALANCE,
type=V4L2_CTRL_TYPE_BOOLEAN, name="White Balance, Automatic", ...}) =
0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_DO_WHITE_BALANCE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_RED_BALANCE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_BLUE_BALANCE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_GAMMA,
type=V4L2_CTRL_TYPE_INTEGER, name="Gamma", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_EXPOSURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_AUTOGAIN}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_GAIN,
type=V4L2_CTRL_TYPE_INTEGER, name="Gain", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_HFLIP}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_VFLIP}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_HCENTER}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_VCENTER}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_POWER_LINE_FREQUENCY,
type=V4L2_CTRL_TYPE_MENU, name="Power Line Frequency", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_HUE_AUTO}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
type=V4L2_CTRL_TYPE_INTEGER, name="White Balance Temperature", ...}) =
0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_SHARPNESS,
type=V4L2_CTRL_TYPE_INTEGER, name="Sharpness", ...}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_BACKLIGHT_COMPENSATION}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_CHROMA_AGC}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_COLOR_KILLER}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_COLORFX}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_AUTOBRIGHTNESS}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_BAND_STOP_FILTER}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_ROTATE}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_BG_COLOR}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_CHROMA_GAIN}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_ILLUMINATORS_1}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_ILLUMINATORS_2}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_MIN_BUFFERS_FOR_CAPTURE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_MIN_BUFFERS_FOR_OUTPUT}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_ALPHA_COMPONENT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CID_COLORFX_CBCR}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYCTRL, {id=0x8000000 /* V4L2_CID_??? */}) = -1
EINVAL (Invalid argument)
write(1, "\ttest VIDIOC_QUERYCTRL: \33[32mOK\33"..., 36 test
VIDIOC_QUERYCTRL: OK
) = 36
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CTRL_CLASS_USER+0x1}) = -1 EACCES
(Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CTRL_CLASS_USER+0x1, value=0}) = -1
EACCES (Permission denied)
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_BRIGHTNESS, value=128}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_BRIGHTNESS, value=128 => 128}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_BRIGHTNESS, value=0 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_BRIGHTNESS, value=256 => 255}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_BRIGHTNESS, value=1 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_BRIGHTNESS, value=255 => 255}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_BRIGHTNESS, value=128 => 128}) = 0
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_CONTRAST, value=128}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_CONTRAST, value=128 => 128}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_CONTRAST, value=0 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_CONTRAST, value=256 => 255}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_CONTRAST, value=1 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_CONTRAST, value=255 => 255}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_CONTRAST, value=128 => 128}) = 0
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_SATURATION, value=128}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SATURATION, value=128 => 128}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SATURATION, value=0 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SATURATION, value=256 => 255}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SATURATION, value=1 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SATURATION, value=255 => 255}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SATURATION, value=128 => 128}) = 0
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_AUTO_WHITE_BALANCE, value=1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_AUTO_WHITE_BALANCE, value=1 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_AUTO_WHITE_BALANCE, value=-1 => 0}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_AUTO_WHITE_BALANCE, value=2 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_AUTO_WHITE_BALANCE, value=0 => 0}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_AUTO_WHITE_BALANCE, value=1 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_AUTO_WHITE_BALANCE, value=1 => 1}) = 0
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_GAMMA, value=128}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAMMA, value=128 => 128}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAMMA, value=0 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAMMA, value=256 => 255}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAMMA, value=1 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAMMA, value=255 => 255}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAMMA, value=128 => 128}) = 0
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_GAIN, value=50}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAIN, value=50 => 50}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAIN, value=0 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAIN, value=101 => 100}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAIN, value=1 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAIN, value=100 => 100}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_GAIN, value=50 => 50}) = 0
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_POWER_LINE_FREQUENCY, value=2}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_POWER_LINE_FREQUENCY, value=2 => 2}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_POWER_LINE_FREQUENCY, value=-1})
= -1 ERANGE (Numerical result out of range)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_POWER_LINE_FREQUENCY, value=3}) =
-1 ERANGE (Numerical result out of range)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_POWER_LINE_FREQUENCY, value=0 => 0}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_POWER_LINE_FREQUENCY, value=1 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_POWER_LINE_FREQUENCY, value=2 => 2}) = 0
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, value=4650}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
value=4650}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
value=2799}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
value=6501}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
value=2800}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
value=6500}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
value=4650}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_SHARPNESS, value=128}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SHARPNESS, value=128 => 128}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SHARPNESS, value=0 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SHARPNESS, value=256 => 255}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SHARPNESS, value=1 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SHARPNESS, value=255 => 255}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_SHARPNESS, value=128 => 128}) = 0
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CTRL_CLASS_CAMERA+0x1}) = -1 EACCES
(Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CTRL_CLASS_CAMERA+0x1, value=0}) = -1
EACCES (Permission denied)
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_EXPOSURE_AUTO, value=2}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO, value=2 => 2}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO, value=-1}) = -1
ERANGE (Numerical result out of range)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO, value=4}) = -1
ERANGE (Numerical result out of range)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO, value=0 => 0}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO, value=1}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO, value=2 => 2}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO, value=3}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_EXPOSURE_ABSOLUTE, value=5}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_ABSOLUTE, value=5}) = -1
EACCES (Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_ABSOLUTE, value=4}) = -1
EACCES (Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_ABSOLUTE, value=2501}) =
-1 EACCES (Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_ABSOLUTE, value=5}) = -1
EACCES (Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_ABSOLUTE, value=2500}) =
-1 EACCES (Permission denied)
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_ABSOLUTE, value=5}) = -1
EACCES (Permission denied)
ioctl(3, VIDIOC_G_CTRL, {id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, value=0}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, value=0 => 0}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, value=-1 => 0}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, value=2 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, value=0 => 0}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, value=1 => 1}) = 0
ioctl(3, VIDIOC_S_CTRL, {id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, value=0 => 0}) = 0
ioctl(3, VIDIOC_G_CTRL, {id=0 /* V4L2_CID_??? */}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_S_CTRL, {id=0 /* V4L2_CID_??? */, value=0}) = -1
EINVAL (Invalid argument)
write(1, "\ttest VIDIOC_G/S_CTRL: \33[32mOK\33["..., 35 test
VIDIOC_G/S_CTRL: OK
) = 35
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=0}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=0}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=0x980001 /* V4L2_CID_??? */, size=0, value=0,
value64=0}], error_idx=1}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=1, controls=[{id=0x980001 /* V4L2_CID_??? */, size=0,
value=0, value64=0}]} => {controls=[{id=0x980001 /* V4L2_CID_??? */,
size=0, value=0, value64=0}], error_idx=0}) = -1 EACCES (Permission
denied)
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=0x980001 /* V4L2_CID_??? */, size=0, value=0,
value64=0}]} => {controls=[{id=0x980001 /* V4L2_CID_??? */, size=0,
value=0, value64=0}], error_idx=1}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=128}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=128}]} => {controls=[{id=V4L2_CID_BRIGHTNESS, size=0,
value=128, value64=128}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=128}]} => {controls=[{id=V4L2_CID_BRIGHTNESS, size=0,
value=128, value64=128}]}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=V4L2_CID_CONTRAST, size=0, value=128,
value64=128}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=1, controls=[{id=V4L2_CID_CONTRAST, size=0, value=128,
value64=128}]} => {controls=[{id=V4L2_CID_CONTRAST, size=0, value=128,
value64=128}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=V4L2_CID_CONTRAST, size=0, value=128,
value64=128}]} => {controls=[{id=V4L2_CID_CONTRAST, size=0, value=128,
value64=128}]}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_SATURATION, size=0, value=128,
value64=128}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_SATURATION, size=0, value=128,
value64=128}]} => {controls=[{id=V4L2_CID_SATURATION, size=0,
value=128, value64=128}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_SATURATION, size=0, value=128,
value64=128}]} => {controls=[{id=V4L2_CID_SATURATION, size=0,
value=128, value64=128}]}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1,
value64=1}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1,
value64=1}]} => {controls=[{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0,
value=1, value64=1}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1,
value64=1}]} => {controls=[{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0,
value=1, value64=1}]}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_GAMMA, size=0, value=128,
value64=128}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_GAMMA, size=0, value=128,
value64=128}]} => {controls=[{id=V4L2_CID_GAMMA, size=0, value=128,
value64=128}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_GAMMA, size=0, value=128,
value64=128}]} => {controls=[{id=V4L2_CID_GAMMA, size=0, value=128,
value64=128}]}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=V4L2_CID_GAIN, size=0, value=50, value64=50}]})
= 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=1, controls=[{id=V4L2_CID_GAIN, size=0, value=50,
value64=50}]} => {controls=[{id=V4L2_CID_GAIN, size=0, value=50,
value64=50}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=V4L2_CID_GAIN, size=0, value=50, value64=50}]}
=> {controls=[{id=V4L2_CID_GAIN, size=0, value=50, value64=50}]}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_POWER_LINE_FREQUENCY, size=0, value=2,
value64=2}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_POWER_LINE_FREQUENCY, size=0, value=2,
value64=2}]} => {controls=[{id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=2}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_POWER_LINE_FREQUENCY, size=0, value=2,
value64=2}]} => {controls=[{id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=2}]}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, size=0,
value=4650, value64=4650}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, size=0,
value=4650, value64=4650}]} =>
{controls=[{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, size=0, value=4650,
value64=4650}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=1, controls=[{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, size=0,
value=4650, value64=4650}]} =>
{controls=[{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, size=0, value=4650,
value64=4650}], error_idx=1}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=V4L2_CID_SHARPNESS, size=0, value=128,
value64=128}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=1, controls=[{id=V4L2_CID_SHARPNESS, size=0, value=128,
value64=128}]} => {controls=[{id=V4L2_CID_SHARPNESS, size=0,
value=128, value64=128}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=V4L2_CID_SHARPNESS, size=0, value=128,
value64=128}]} => {controls=[{id=V4L2_CID_SHARPNESS, size=0,
value=128, value64=128}]}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=0x9a0001 /* V4L2_CID_??? */, size=0, value=0,
value64=0}], error_idx=1}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=1, controls=[{id=0x9a0001 /* V4L2_CID_??? */, size=0,
value=0, value64=0}]} => {controls=[{id=0x9a0001 /* V4L2_CID_??? */,
size=0, value=0, value64=0}], error_idx=0}) = -1 EACCES (Permission
denied)
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=0x9a0001 /* V4L2_CID_??? */, size=0, value=0,
value64=0}]} => {controls=[{id=0x9a0001 /* V4L2_CID_??? */, size=0,
value=0, value64=0}], error_idx=1}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=V4L2_CID_EXPOSURE_AUTO, size=0, value=2,
value64=2}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=1, controls=[{id=V4L2_CID_EXPOSURE_AUTO, size=0, value=2,
value64=2}]} => {controls=[{id=V4L2_CID_EXPOSURE_AUTO, size=0,
value=2, value64=2}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=V4L2_CID_EXPOSURE_AUTO, size=0, value=2,
value64=2}]} => {controls=[{id=V4L2_CID_EXPOSURE_AUTO, size=0,
value=2, value64=2}]}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_CAMERA,
count=1, controls=[{id=V4L2_CID_EXPOSURE_ABSOLUTE, size=0, value=5,
value64=5}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_CAMERA,
count=1, controls=[{id=V4L2_CID_EXPOSURE_ABSOLUTE, size=0, value=5,
value64=5}]} => {controls=[{id=V4L2_CID_EXPOSURE_ABSOLUTE, size=0,
value=5, value64=5}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_CAMERA,
count=1, controls=[{id=V4L2_CID_EXPOSURE_ABSOLUTE, size=0, value=5,
value64=5}]} => {controls=[{id=V4L2_CID_EXPOSURE_ABSOLUTE, size=0,
value=5, value64=5}], error_idx=1}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0,
value=0, value64=0}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=1, controls=[{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0,
value=0, value64=0}]} =>
{controls=[{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=0}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0,
value=0, value64=0}]} =>
{controls=[{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=0}]}) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=0 /* V4L2_CID_??? */, size=0, value=0,
value64=0}], error_idx=1}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=1, controls=[{id=0 /* V4L2_CID_??? */, size=0, value=0,
value64=0}]} => {controls=[{id=0 /* V4L2_CID_??? */, size=0, value=0,
value64=0}], error_idx=0}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=1, controls=[{id=0 /* V4L2_CID_??? */, size=0, value=0,
value64=0}]} => {controls=[{id=0 /* V4L2_CID_??? */, size=0, value=0,
value64=0}], error_idx=1}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=12, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_SATURATION, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE, size=0,
value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}]}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=12, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_SATURATION, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE, size=0,
value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}]} => {controls=[{id=V4L2_CID_BRIGHTNESS, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_SATURATION, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE,
size=0, value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}]}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=12, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_SATURATION, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE, size=0,
value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}]} => {controls=[{id=V4L2_CID_BRIGHTNESS, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_SATURATION, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE,
size=0, value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}], error_idx=12}) = -1 EACCES (Permission denied)
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=12, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_SATURATION, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE, size=0,
value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}], error_idx=12}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=12, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_SATURATION, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE, size=0,
value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}]} => {controls=[{id=V4L2_CID_BRIGHTNESS, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_SATURATION, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE,
size=0, value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}], error_idx=9}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER,
count=12, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_SATURATION, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE, size=0,
value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}]} => {controls=[{id=V4L2_CID_BRIGHTNESS, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_SATURATION, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE,
size=0, value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}], error_idx=12}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0xf000000 /*
V4L2_CTRL_CLASS_??? */, count=12, controls=[{id=V4L2_CID_BRIGHTNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_CONTRAST,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_SATURATION,
size=0, value=128, value64=12884902016},
{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1,
value64=12884901889}, {id=V4L2_CID_GAMMA, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}]} => {controls=[{id=V4L2_CID_BRIGHTNESS, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_SATURATION, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE,
size=0, value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}], error_idx=12}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0xf000000 /*
V4L2_CTRL_CLASS_??? */, count=12, controls=[{id=V4L2_CID_BRIGHTNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_CONTRAST,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_SATURATION,
size=0, value=128, value64=12884902016},
{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1,
value64=12884901889}, {id=V4L2_CID_GAMMA, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}]} => {controls=[{id=V4L2_CID_BRIGHTNESS, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_CONTRAST, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_SATURATION, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_AUTO_WHITE_BALANCE,
size=0, value=1, value64=12884901889}, {id=V4L2_CID_GAMMA, size=0,
value=128, value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=2, value64=12884901890}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=2, value64=12884901890}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}], error_idx=12}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0xf000000 /*
V4L2_CTRL_CLASS_??? */, count=12, controls=[{id=V4L2_CID_BRIGHTNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_CONTRAST,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_SATURATION,
size=0, value=128, value64=12884902016},
{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1,
value64=12884901889}, {id=V4L2_CID_GAMMA, size=0, value=128,
value64=12884902016}, {id=V4L2_CID_GAIN, size=0, value=50,
value64=12884901938}, {id=V4L2_CID_POWER_LINE_FREQUENCY, size=0,
value=1, value64=12884901889}, {id=V4L2_CID_WHITE_BALANCE_TEMPERATURE,
size=0, value=4650, value64=12884906538}, {id=V4L2_CID_SHARPNESS,
size=0, value=128, value64=12884902016}, {id=V4L2_CID_EXPOSURE_AUTO,
size=0, value=0, value64=12884901888}, {id=V4L2_CID_EXPOSURE_ABSOLUTE,
size=0, value=5, value64=12884901893},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0,
value64=12884901888}]}) = 0
write(1, "\ttest VIDIOC_G/S/TRY_EXT_CTRLS: "..., 44 test
VIDIOC_G/S/TRY_EXT_CTRLS: OK
) = 44
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 0 (Timeout)
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97415})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=96845})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97391})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97531})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97564})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97621})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97585})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97795})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97689})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 0 (Timeout)
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97918})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97810})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
pselect6(4, NULL, NULL, [3], {tv_sec=0, tv_nsec=100000}, NULL) = 1
(except [3], left {tv_sec=0, tv_nsec=97958})
ioctl(3, VIDIOC_DQEVENT, 0x7fff5f34d8d0) = 0
ioctl(3, VIDIOC_UNSUBSCRIBE_EVENT, 0x7fff5f34d7f0) = 0
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d830) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_SUBSCRIBE_EVENT, 0x7fff5f34d830) = -1 EINVAL (Invalid argument)
write(1, "\ttest VIDIOC_(UN)SUBSCRIBE_EVENT"..., 54 test
VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
) = 54
ioctl(3, VIDIOC_G_JPEGCOMP, 0x7fff5f34d8ec) = -1 ENOTTY (Inappropriate
ioctl for device)
ioctl(3, VIDIOC_S_JPEGCOMP, 0x7fff5f34d8ec) = -1 ENOTTY (Inappropriate
ioctl for device)
write(1, "\ttest VIDIOC_G/S_JPEGCOMP: \33[32m"..., 55 test
VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
) = 55
write(1, "\tStandard Controls: 14 Private C"..., 43 Standard
Controls: 14 Private Controls: 0
) = 43
write(1, "\n", 1
) = 1
write(1, "Format ioctls (Input 0):\n", 25Format ioctls (Input 0):
) = 25
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=0 /* V4L2_BUF_TYPE_??? */}) =
-1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
flags=V4L2_FMT_FLAG_COMPRESSED, description="Motion-JPEG",
pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */})
= 0
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=640, height=480}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=5,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=6,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=7,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=8,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=641, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1920, height=1080}})
= 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1920, height=1080}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1921, height=1080}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1280, height=1024}})
= 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=1024}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1281, height=1024}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1280, height=800}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=800}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1281, height=800}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1280, height=720}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1280, height=720}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1281, height=720}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=5,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1024, height=768}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1024, height=768}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=1025, height=768}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=6,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=800, height=600}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=800, height=600}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=801, height=600}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=7,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=800, height=500}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=800, height=500}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=801, height=500}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=8,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=640, height=400}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=400}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=641, height=400}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=9,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=640, height=480}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=5,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=6,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=7,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=8,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=640, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */,
width=641, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=10,
pixel_format=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG
*/}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=1, type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
flags=V4L2_FMT_FLAG_COMPRESSED, description="H.264",
pixelformat=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */})
= 0
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=640, height=480}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=5,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=6,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=7,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=8,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=641, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1920, height=1080}})
= 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1920, height=1080}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1921, height=1080}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1280, height=1024}})
= 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=1024}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1281, height=1024}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1280, height=800}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=800}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1281, height=800}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1280, height=720}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1280, height=720}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1281, height=720}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=5,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1024, height=768}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1024, height=768}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=1025, height=768}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=6,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=800, height=600}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=800, height=600}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=801, height=600}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=7,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=800, height=500}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=800, height=500}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=801, height=500}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=8,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=640, height=400}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=400}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=641, height=400}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=9,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=640, height=480}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=5,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=6,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=7,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=8,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=640, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */,
width=641, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=10,
pixel_format=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=2, type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
flags=0, description="YUYV 4:2:2", pixelformat=v4l2_fourcc('Y', 'U',
'Y', 'V') /* V4L2_PIX_FMT_YUYV */}) = 0
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=640, height=480}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=5,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=6,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=7,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=8,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=641, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1920, height=1080}})
= 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1920, height=1080, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1920, height=1080}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1921, height=1080}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1280, height=1024}})
= 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=1024, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=1024}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1281, height=1024}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1280, height=800}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=800, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=800}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1281, height=800}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1280, height=720}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=720, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1280, height=720}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1281, height=720}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=5,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=1024, height=768}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1024, height=768, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1024, height=768}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=1025, height=768}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=6,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=800, height=600}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=800, height=600, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=800, height=600}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=801, height=600}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=7,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=800, height=500}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=800, height=500, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=800, height=500}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=801, height=500}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=8,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=640, height=400}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=400, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=400}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=641, height=400}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=9,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
type=V4L2_FRMSIZE_TYPE_DISCRETE, discrete={width=640, height=480}}) =
0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=1,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=2,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=3,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=4,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/30}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=5,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/25}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=6,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/20}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=7,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480, type=V4L2_FRMIVAL_TYPE_DISCRETE,
discrete=1/15}) = 0
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=8,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=640, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */,
width=641, height=480}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=10,
pixel_format=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=3, type=V4L2_BUF_TYPE_VIDEO_CAPTURE})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_VIDEO_OUTPUT})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_VIDEO_OVERLAY})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_VBI_CAPTURE}) =
-1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_VBI_OUTPUT}) =
-1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0,
type=V4L2_BUF_TYPE_SLICED_VBI_CAPTURE}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0,
type=V4L2_BUF_TYPE_SLICED_VBI_OUTPUT}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0,
type=V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY}) = -1 EINVAL (Invalid
argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0,
type=V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE}) = -1 EINVAL (Invalid
argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0,
type=V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE}) = -1 EINVAL (Invalid
argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_SDR_CAPTURE}) =
-1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_SDR_OUTPUT}) =
-1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_META_CAPTURE})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_META_OUTPUT}) =
-1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=0x80 /* V4L2_BUF_TYPE_???
*/}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMESIZES, {index=0, pixel_format=v4l2_fourcc('
', ' ', ' ', ' ')}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FRAMEINTERVALS, {index=0,
pixel_format=v4l2_fourcc(' ', ' ', ' ', ' '), width=640, height=480})
= -1 EINVAL (Invalid argument)
write(1, "\ttest VIDIOC_ENUM_FMT/FRAMESIZES"..., 61 test
VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
) = 61
ioctl(3, VIDIOC_G_PARM, {type=0 /* V4L2_BUF_TYPE_??? */}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=0 /* V4L2_BUF_TYPE_??? */}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/15, extendedmode=0, readbuffers=0}}) = 0
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=0, capturemode=0, timeperframe=0/0,
extendedmode=0, readbuffers=0}} =>
{parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/15, extendedmode=0, readbuffers=0}}) = 0
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=0/1, extendedmode=0, readbuffers=0}} =>
{parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/30, extendedmode=0, readbuffers=0}}) = 0
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/0, extendedmode=0, readbuffers=0}} =>
{parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/15, extendedmode=0, readbuffers=0}}) = 0
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VIDEO_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VIDEO_OVERLAY}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VIDEO_OVERLAY}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VBI_CAPTURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VBI_CAPTURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VBI_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VBI_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_SLICED_VBI_CAPTURE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_SLICED_VBI_CAPTURE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_SLICED_VBI_OUTPUT}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_SLICED_VBI_OUTPUT}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY}) =
-1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY}) =
-1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE}) =
-1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_SDR_CAPTURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_SDR_CAPTURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_SDR_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_SDR_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_META_CAPTURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_META_CAPTURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_META_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_META_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_PARM, {type=0x80 /* V4L2_BUF_TYPE_??? */}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_PARM, {type=0x80 /* V4L2_BUF_TYPE_??? */}) = -1
EINVAL (Invalid argument)
write(1, "\ttest VIDIOC_G/S_PARM: \33[32mOK\33["..., 35 test
VIDIOC_G/S_PARM: OK
) = 35
ioctl(3, VIDIOC_G_FBUF, 0x7fff5f34d958) = -1 ENOTTY (Inappropriate
ioctl for device)
write(1, "\ttest VIDIOC_G_FBUF: \33[32mOK\33[0m"..., 49 test
VIDIOC_G_FBUF: OK (Not Supported)
) = 49
ioctl(3, VIDIOC_G_FMT, {type=0 /* V4L2_BUF_TYPE_??? */}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_OVERLAY}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VBI_CAPTURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VBI_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_SLICED_VBI_CAPTURE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_SLICED_VBI_OUTPUT}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_SDR_CAPTURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_SDR_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_META_CAPTURE}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_META_OUTPUT}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=0x80 /* V4L2_BUF_TYPE_??? */}) = -1
EINVAL (Invalid argument)
write(1, "\ttest VIDIOC_G_FMT: \33[32mOK\33[0m\n", 32 test VIDIOC_G_FMT: OK
) = 32
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_TRY_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}} =>
{fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) =
0
ioctl(3, VIDIOC_TRY_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=4294967295, height=4294967295,
pixelformat=v4l2_fourcc('\xff', '\xff', '\xff', '\xff'),
field=V4L2_FIELD_ANY, bytesperline=4294967295, sizeimage=4294967295,
colorspace=0xffffffff /* V4L2_COLORSPACE_??? */}} =>
{fmt.pix={width=1920, height=1080, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=4147200, colorspace=V4L2_COLORSPACE_SRGB}})
= 0
ioctl(3, VIDIOC_TRY_FMT, {type=0x80 /* V4L2_BUF_TYPE_??? */}) = -1
EINVAL (Invalid argument)
write(1, "\ttest VIDIOC_TRY_FMT: \33[32mOK\33[0"..., 34 test
VIDIOC_TRY_FMT: OK
) = 34
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_S_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=4294967295, height=4294967295,
pixelformat=v4l2_fourcc('\xff', '\xff', '\xff', '\xff'),
field=V4L2_FIELD_ANY, bytesperline=4294967295, sizeimage=4294967295,
colorspace=0xffffffff /* V4L2_COLORSPACE_??? */}} =>
{fmt.pix={width=1920, height=1080, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=4147200, colorspace=V4L2_COLORSPACE_SRGB}})
= 0
ioctl(3, VIDIOC_S_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}} =>
{fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) =
0
ioctl(3, VIDIOC_S_FMT, {type=0x80 /* V4L2_BUF_TYPE_??? */}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_ENUM_FMT, {index=1, type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
flags=V4L2_FMT_FLAG_COMPRESSED, description="H.264",
pixelformat=v4l2_fourcc('H', '2', '6', '4') /* V4L2_PIX_FMT_H264 */})
= 0
ioctl(3, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
flags=V4L2_FMT_FLAG_COMPRESSED, description="Motion-JPEG",
pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /* V4L2_PIX_FMT_MJPEG */})
= 0
ioctl(3, VIDIOC_S_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=0, height=0, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_ANY, bytesperline=0,
sizeimage=0, colorspace=V4L2_COLORSPACE_DEFAULT}} =>
{fmt.pix={width=640, height=400, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=512000, colorspace=V4L2_COLORSPACE_SRGB}}) =
0
ioctl(6, VIDIOC_S_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=0, height=0, pixelformat=v4l2_fourcc('H', '2', '6',
'4') /* V4L2_PIX_FMT_H264 */, field=V4L2_FIELD_ANY, bytesperline=0,
sizeimage=0, colorspace=V4L2_COLORSPACE_DEFAULT}}) = -1 EBUSY (Device
or resource busy)
write(1, "\t\t\33[1mwarn\33[0m: v4l2-test-format"..., 64 warn:
v4l2-test-formats.cpp(1036): Could not set fmt2
) = 64
ioctl(3, VIDIOC_S_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}} =>
{fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) =
0
write(1, "\ttest VIDIOC_S_FMT: \33[32mOK\33[0m\n", 32 test VIDIOC_S_FMT: OK
) = 32
ioctl(3, VIDIOC_G_SLICED_VBI_CAP, 0x7fff5f34d8e4) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_G_SLICED_VBI_CAP: \33"..., 59 test
VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
) = 59
ioctl(3, VIDIOC_CROPCAP, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
bounds={left=0, top=0, width=640, height=480}, defrect={left=0, top=0,
width=640, height=480}, pixelaspect=1/1}) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d918) = 0
ioctl(3, VIDIOC_CROPCAP, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
bounds={left=0, top=0, width=640, height=480}, defrect={left=0, top=0,
width=640, height=480}, pixelaspect=1/1}) = 0
ioctl(3, VIDIOC_CROPCAP, {type=0xff /* V4L2_BUF_TYPE_??? */}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_CROP, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE}) = -1
EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d918) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d728) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_SELECTION, 0x7fff5f34d728) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest Cropping: \33[32mOK\33[0m (Not"..., 44 test
Cropping: OK (Not Supported)
) = 44
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d7c8) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_SELECTION, 0x7fff5f34d7c8) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest Composing: \33[32mOK\33[0m (No"..., 45 test
Composing: OK (Not Supported)
) = 45
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_S_SELECTION, 0x7fff5f34d428) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, VIDIOC_S_SELECTION, 0x7fff5f34d468) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, VIDIOC_S_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=1, height=1, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_ANY, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}} =>
{fmt.pix={width=640, height=400, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=512000, colorspace=V4L2_COLORSPACE_SRGB}}) =
0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d428) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d468) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=16384, height=16384, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_ANY,
bytesperline=0, sizeimage=512000, colorspace=V4L2_COLORSPACE_SRGB}} =>
{fmt.pix={width=1920, height=1080, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=4147200, colorspace=V4L2_COLORSPACE_SRGB}})
= 0
ioctl(3, VIDIOC_S_SELECTION, 0x7fff5f34d428) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, VIDIOC_S_SELECTION, 0x7fff5f34d468) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d428) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d468) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}} =>
{fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) =
0
write(1, "\ttest Scaling: \33[32mOK\33[0m (Not "..., 43 test
Scaling: OK (Not Supported)
) = 43
write(1, "\n", 1
) = 1
write(1, "Codec ioctls (Input 0):\n", 24Codec ioctls (Input 0):
) = 24
ioctl(3, VIDIOC_ENCODER_CMD, 0x7fff5f34d940) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, VIDIOC_TRY_ENCODER_CMD, 0x7fff5f34d940) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_(TRY_)ENCODER_CMD: "..., 60 test
VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
) = 60
ioctl(3, VIDIOC_G_ENC_INDEX, 0x7fff5f34d170) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_G_ENC_INDEX: \33[32mO"..., 54 test
VIDIOC_G_ENC_INDEX: OK (Not Supported)
) = 54
ioctl(3, VIDIOC_DECODER_CMD, 0x7fff5f34d920) = -1 ENOTTY
(Inappropriate ioctl for device)
ioctl(3, VIDIOC_TRY_DECODER_CMD, 0x7fff5f34d920) = -1 ENOTTY
(Inappropriate ioctl for device)
write(1, "\ttest VIDIOC_(TRY_)DECODER_CMD: "..., 60 test
VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)
) = 60
write(1, "\n", 1
) = 1
write(1, "Buffer ioctls (Input 0):\n", 25Buffer ioctls (Input 0):
) = 25
close(3) = 0
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 3
ioctl(3, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=0}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34a52c) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_REQBUFS, {type=0 /* V4L2_BUF_TYPE_??? */, memory=0 /*
V4L2_MEMORY_??? */, count=0}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_REQBUFS, {type=0 /* V4L2_BUF_TYPE_??? */, memory=0 /*
V4L2_MEMORY_??? */, count=1}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_MMAP, count=0 => 0}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_USERPTR, count=0 => 0}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_MMAP, count=1 => 1}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_MMAP, m.offset=0, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_MMAP, count=1 => 1}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_MMAP, m.offset=0, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_MMAP, m.offset=0, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_USERPTR, count=1 => 1}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_USERPTR, m.userptr=NULL, length=614400,
bytesused=0, flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_USERPTR, count=1 => 1}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_USERPTR, m.userptr=NULL, length=614400,
bytesused=0, flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_USERPTR, m.userptr=NULL, length=614400,
bytesused=0, flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=1 => 1}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=1 => 1}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=1 => 1}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_MMAP, count=1}) = -1 EBUSY (Device or resource
busy)
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_MMAP, count=0}) = -1 EBUSY (Device or resource
busy)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_MMAP, count=1 => 1}) = 0
ioctl(6, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_MMAP, m.offset=0, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_MMAP, count=0 => 0}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_MMAP, count=1 => 1}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=0, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=0})
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_MMAP,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=1})
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=1})
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=1,
count=1})
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=2})
= -1 EINVAL (Invalid argument)
ioctl(6, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(6, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_MMAP,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = -1 EBUSY
(Device or resource busy)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=240, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=307200, colorspace=V4L2_COLORSPACE_SRGB}}}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=1228800, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=1})
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=1228800, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=1 => 1}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_USERPTR, count=1}) = -1 EBUSY (Device or resource
busy)
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_USERPTR, count=0}) = -1 EBUSY (Device or resource
busy)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_USERPTR, count=1 => 1}) = 0
ioctl(6, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_USERPTR, m.userptr=NULL, length=614400,
bytesused=0, flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_USERPTR, count=0 => 0}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_USERPTR, count=1 => 1}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=0, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=0})
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_USERPTR,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=1})
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=1})
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=1,
count=1})
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=2})
= -1 EINVAL (Invalid argument)
ioctl(6, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(6, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_USERPTR,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = -1 EBUSY
(Device or resource busy)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=240, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=307200, colorspace=V4L2_COLORSPACE_SRGB}}}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=1228800, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=1})
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=1228800, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=1 => 1}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=1}) = -1 EBUSY (Device or resource
busy)
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0}) = -1 EBUSY (Device or resource
busy)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=1 => 1}) = 0
ioctl(6, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(6, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=1 => 1}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=0, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=0})
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=1})
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=1})
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=1,
count=1})
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1,
memory=V4L2_MEMORY_DMABUF, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=2})
= -1 EINVAL (Invalid argument)
ioctl(6, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(6, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}}) = -1 EBUSY
(Device or resource busy)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=240, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=307200, colorspace=V4L2_COLORSPACE_SRGB}}}) = -1 EINVAL
(Invalid argument)
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0})
= -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) = 0
ioctl(3, VIDIOC_CREATE_BUFS, {count=1, memory=V4L2_MEMORY_DMABUF,
format={type=V4L2_BUF_TYPE_VIDEO_CAPTURE, fmt.pix={width=640,
height=480, pixelformat=v4l2_fourcc('M', 'J', 'P', 'G') /*
V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=1228800, colorspace=V4L2_COLORSPACE_SRGB}}}) = 0 ({index=0,
count=1})
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_DMABUF, length=1228800, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_DMABUF, count=0 => 0}) = 0
write(1, "\ttest VIDIOC_REQBUFS/CREATE_BUFS"..., 55 test
VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
) = 55
close(3) = 0
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 3
ioctl(3, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=0}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d7ec) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_MMAP, count=2 => 2}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=0,
memory=V4L2_MEMORY_MMAP, m.offset=0, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_QUERYBUF, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE, index=1,
memory=V4L2_MEMORY_MMAP, m.offset=0x96000, length=614400, bytesused=0,
flags=V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC|V4L2_BUF_FLAG_TSTAMP_SRC_SOE,
...}) = 0
ioctl(3, VIDIOC_EXPBUF, 0x7fff5f34c0c8) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_EXPBUF, 0x7fff5f34c098) = 0
ioctl(3, VIDIOC_EXPBUF, 0x7fff5f34c098) = 0
close(4) = 0
close(7) = 0
ioctl(3, VIDIOC_REQBUFS, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
memory=V4L2_MEMORY_MMAP, count=0 => 0}) = 0
write(1, "\ttest VIDIOC_EXPBUF: \33[32mOK\33[0m"..., 33 test
VIDIOC_EXPBUF: OK
) = 33
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/30, extendedmode=0, readbuffers=0}}) = 0
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/1000, extendedmode=0, readbuffers=0}} =>
{parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/30, extendedmode=0, readbuffers=0}}) = 0
newfstatat(3, "", {st_mode=S_IFCHR|0660, st_rdev=makedev(0x51, 0),
...}, AT_EMPTY_PATH) = 0
openat(AT_FDCWD, "/sys/dev/char/81:0/device",
O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x55c0dee32040 /* 26 entries */, 32768) = 936
openat(AT_FDCWD, "/dev/media0", O_RDWR) = 7
close(4) = 0
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0xf010000 /*
V4L2_CTRL_CLASS_??? */, count=0}) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_G_EXT_CTRLS, {ctrl_class=0xf010000 /*
V4L2_CTRL_CLASS_??? */, count=0}) = -1 EINVAL (Invalid argument)
ioctl(7, MEDIA_IOC_REQUEST_ALLOC, 0x7fff5f349dd0) = -1 ENOTTY
(Inappropriate ioctl for device)
close(7) = 0
write(1, "\ttest Requests: \33[32mOK\33[0m (Not"..., 44 test
Requests: OK (Not Supported)
) = 44
close(3) = 0
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 3
ioctl(3, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=0}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d7ec) = -1 EINVAL (Invalid argument)
write(1, "\n", 1
) = 1
close(3) = 0
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 3
ioctl(3, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=0}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d72c) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
ioctl(3, VIDIOC_S_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}} =>
{fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) =
0
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/30, extendedmode=0, readbuffers=0}}) = 0
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/15, extendedmode=0, readbuffers=0}} =>
{parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/15, extendedmode=0, readbuffers=0}}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=12, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=128}, {id=V4L2_CID_CONTRAST, size=0, value=128, value64=128},
{id=V4L2_CID_SATURATION, size=0, value=128, value64=128},
{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1, value64=1},
{id=V4L2_CID_GAMMA, size=0, value=128, value64=128},
{id=V4L2_CID_GAIN, size=0, value=50, value64=50},
{id=V4L2_CID_POWER_LINE_FREQUENCY, size=0, value=2, value64=2},
{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, size=0, value=4650,
value64=4650}, {id=V4L2_CID_SHARPNESS, size=0, value=128,
value64=128}, {id=V4L2_CID_EXPOSURE_AUTO, size=0, value=2, value64=2},
{id=V4L2_CID_EXPOSURE_ABSOLUTE, size=0, value=5, value64=5},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0, value64=0}]} =>
{controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128, value64=128},
{id=V4L2_CID_CONTRAST, size=0, value=128, value64=128},
{id=V4L2_CID_SATURATION, size=0, value=128, value64=128},
{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1, value64=1},
{id=V4L2_CID_GAMMA, size=0, value=128, value64=128},
{id=V4L2_CID_GAIN, size=0, value=50, value64=50},
{id=V4L2_CID_POWER_LINE_FREQUENCY, size=0, value=2, value64=2},
{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, size=0, value=4650,
value64=4650}, {id=V4L2_CID_SHARPNESS, size=0, value=128,
value64=128}, {id=V4L2_CID_EXPOSURE_AUTO, size=0, value=2, value64=2},
{id=V4L2_CID_EXPOSURE_ABSOLUTE, size=0, value=5, value64=5},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0, value64=0}],
error_idx=12}) = -1 EACCES (Permission denied)
close(3) = 0
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 3
ioctl(3, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=0}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d72c) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
close(3) = 0
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 3
ioctl(3, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=0}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d72c) = -1 EINVAL (Invalid argument)
ioctl(3, VIDIOC_S_INPUT, [0]) = 0
ioctl(3, VIDIOC_S_FMT, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J', 'P',
'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE, bytesperline=0,
sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}} =>
{fmt.pix={width=640, height=480, pixelformat=v4l2_fourcc('M', 'J',
'P', 'G') /* V4L2_PIX_FMT_MJPEG */, field=V4L2_FIELD_NONE,
bytesperline=0, sizeimage=614400, colorspace=V4L2_COLORSPACE_SRGB}}) =
0
ioctl(3, VIDIOC_G_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/30, extendedmode=0, readbuffers=0}}) = 0
ioctl(3, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE,
parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/15, extendedmode=0, readbuffers=0}} =>
{parm.capture={capability=V4L2_CAP_TIMEPERFRAME, capturemode=0,
timeperframe=1/15, extendedmode=0, readbuffers=0}}) = 0
ioctl(3, VIDIOC_S_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_??? */,
count=12, controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128,
value64=128}, {id=V4L2_CID_CONTRAST, size=0, value=128, value64=128},
{id=V4L2_CID_SATURATION, size=0, value=128, value64=128},
{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1, value64=1},
{id=V4L2_CID_GAMMA, size=0, value=128, value64=128},
{id=V4L2_CID_GAIN, size=0, value=50, value64=50},
{id=V4L2_CID_POWER_LINE_FREQUENCY, size=0, value=2, value64=2},
{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, size=0, value=4650,
value64=4650}, {id=V4L2_CID_SHARPNESS, size=0, value=128,
value64=128}, {id=V4L2_CID_EXPOSURE_AUTO, size=0, value=2, value64=2},
{id=V4L2_CID_EXPOSURE_ABSOLUTE, size=0, value=5, value64=5},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0, value64=0}]} =>
{controls=[{id=V4L2_CID_BRIGHTNESS, size=0, value=128, value64=128},
{id=V4L2_CID_CONTRAST, size=0, value=128, value64=128},
{id=V4L2_CID_SATURATION, size=0, value=128, value64=128},
{id=V4L2_CID_AUTO_WHITE_BALANCE, size=0, value=1, value64=1},
{id=V4L2_CID_GAMMA, size=0, value=128, value64=128},
{id=V4L2_CID_GAIN, size=0, value=50, value64=50},
{id=V4L2_CID_POWER_LINE_FREQUENCY, size=0, value=2, value64=2},
{id=V4L2_CID_WHITE_BALANCE_TEMPERATURE, size=0, value=4650,
value64=4650}, {id=V4L2_CID_SHARPNESS, size=0, value=128,
value64=128}, {id=V4L2_CID_EXPOSURE_AUTO, size=0, value=2, value64=2},
{id=V4L2_CID_EXPOSURE_ABSOLUTE, size=0, value=5, value64=5},
{id=V4L2_CID_EXPOSURE_AUTO_PRIORITY, size=0, value=0, value64=0}],
error_idx=12}) = -1 EACCES (Permission denied)
close(3) = 0
openat(AT_FDCWD, "/dev/video0", O_RDWR) = 3
ioctl(3, VIDIOC_QUERYCAP, {driver="uvcvideo", card="SVS RGB USB
camera: SVS RGB USB", bus_info="usb-0000:00:14.0-2",
version=KERNEL_VERSION(5, 15, 0),
capabilities=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_META_CAPTURE|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS,
device_caps=V4L2_CAP_VIDEO_CAPTURE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING})
= 0
ioctl(3, VIDIOC_QUERY_EXT_CTRL,
{id=V4L2_CTRL_FLAG_NEXT_CTRL|V4L2_CTRL_FLAG_NEXT_COMPOUND|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_TRY_EXT_CTRLS, {ctrl_class=0 /* V4L2_CTRL_CLASS_???
*/, count=0}) = 0
ioctl(3, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL|0 /*
V4L2_CID_??? */ => V4L2_CTRL_CLASS_USER+0x1,
type=V4L2_CTRL_TYPE_CTRL_CLASS, name="User Controls", ...}) = 0
ioctl(3, VIDIOC_G_SELECTION, 0x7fff5f34d72c) = -1 EINVAL (Invalid argument)
write(1, "Total for uvcvideo device /dev/v"..., 81Total for uvcvideo
device /dev/video0: 46, Succeeded: 46, Failed: 0, Warnings: 1
) = 81
close(3) = 0
close(6) = 0
close(5) = 0
exit_group(0) = ?
+++ exited with 0 +++
# dmesg
[ 50.203806] usb 1-2: uvc_v4l2_open
[ 50.299428] usb 1-2: Resuming interface 0
[ 50.299442] usb 1-2: Resuming interface 1
[ 50.303496] usb 1-2: uvc_v4l2_release
[ 50.343577] usb 1-2: uvc_v4l2_open
[ 50.351939] usb 1-2: uvc_v4l2_open
[ 50.354430] usb 1-2: uvc_v4l2_open
[ 50.354536] usb 1-2: uvc_v4l2_open
[ 50.354630] usb 1-2: uvc_v4l2_open
[ 50.354727] usb 1-2: uvc_v4l2_open
[ 50.354823] usb 1-2: uvc_v4l2_open
[ 50.354917] usb 1-2: uvc_v4l2_open
[ 50.355037] usb 1-2: uvc_v4l2_open
[ 50.355133] usb 1-2: uvc_v4l2_open
[ 50.355227] usb 1-2: uvc_v4l2_open
[ 50.355318] usb 1-2: uvc_v4l2_open
[ 50.355410] usb 1-2: uvc_v4l2_open
[ 50.355500] usb 1-2: uvc_v4l2_open
[ 50.355593] usb 1-2: uvc_v4l2_open
[ 50.355684] usb 1-2: uvc_v4l2_open
[ 50.355776] usb 1-2: uvc_v4l2_open
[ 50.355870] usb 1-2: uvc_v4l2_open
[ 50.355962] usb 1-2: uvc_v4l2_open
[ 50.356091] usb 1-2: uvc_v4l2_open
[ 50.356186] usb 1-2: uvc_v4l2_open
[ 50.356278] usb 1-2: uvc_v4l2_open
[ 50.356370] usb 1-2: uvc_v4l2_open
[ 50.356462] usb 1-2: uvc_v4l2_open
[ 50.356552] usb 1-2: uvc_v4l2_open
[ 50.356642] usb 1-2: uvc_v4l2_open
[ 50.356737] usb 1-2: uvc_v4l2_open
[ 50.356832] usb 1-2: uvc_v4l2_open
[ 50.356924] usb 1-2: uvc_v4l2_open
[ 50.357038] usb 1-2: uvc_v4l2_open
[ 50.357251] usb 1-2: uvc_v4l2_open
[ 50.357414] usb 1-2: uvc_v4l2_open
[ 50.357568] usb 1-2: uvc_v4l2_open
[ 50.357713] usb 1-2: uvc_v4l2_open
[ 50.357875] usb 1-2: uvc_v4l2_open
[ 50.357966] usb 1-2: uvc_v4l2_open
[ 50.358070] usb 1-2: uvc_v4l2_open
[ 50.358167] usb 1-2: uvc_v4l2_open
[ 50.358266] usb 1-2: uvc_v4l2_open
[ 50.358340] usb 1-2: uvc_v4l2_open
[ 50.358528] usb 1-2: uvc_v4l2_open
[ 50.358635] usb 1-2: uvc_v4l2_open
[ 50.358755] usb 1-2: uvc_v4l2_open
[ 50.358850] usb 1-2: uvc_v4l2_open
[ 50.358941] usb 1-2: uvc_v4l2_open
[ 50.359099] usb 1-2: uvc_v4l2_open
[ 50.359201] usb 1-2: uvc_v4l2_open
[ 50.359307] usb 1-2: uvc_v4l2_open
[ 50.359399] usb 1-2: uvc_v4l2_open
[ 50.359470] usb 1-2: uvc_v4l2_open
[ 50.359538] usb 1-2: uvc_v4l2_open
[ 50.359598] usb 1-2: uvc_v4l2_open
[ 50.359709] usb 1-2: uvc_v4l2_open
[ 50.359835] usb 1-2: uvc_v4l2_open
[ 50.359952] usb 1-2: uvc_v4l2_open
[ 50.360088] usb 1-2: uvc_v4l2_open
[ 50.360181] usb 1-2: uvc_v4l2_open
[ 50.360262] usb 1-2: uvc_v4l2_open
[ 50.360350] usb 1-2: uvc_v4l2_open
[ 50.360440] usb 1-2: uvc_v4l2_open
[ 50.360511] usb 1-2: uvc_v4l2_open
[ 50.360582] usb 1-2: uvc_v4l2_open
[ 50.360650] usb 1-2: uvc_v4l2_open
[ 50.360716] usb 1-2: uvc_v4l2_open
[ 50.360784] usb 1-2: uvc_v4l2_open
[ 50.360852] usb 1-2: uvc_v4l2_open
[ 50.360918] usb 1-2: uvc_v4l2_open
[ 50.360987] usb 1-2: uvc_v4l2_open
[ 50.361072] usb 1-2: uvc_v4l2_open
[ 50.361140] usb 1-2: uvc_v4l2_open
[ 50.361205] usb 1-2: uvc_v4l2_open
[ 50.361274] usb 1-2: uvc_v4l2_open
[ 50.361342] usb 1-2: uvc_v4l2_open
[ 50.361412] usb 1-2: uvc_v4l2_open
[ 50.361478] usb 1-2: uvc_v4l2_open
[ 50.361566] usb 1-2: uvc_v4l2_open
[ 50.361634] usb 1-2: uvc_v4l2_open
[ 50.361702] usb 1-2: uvc_v4l2_open
[ 50.361770] usb 1-2: uvc_v4l2_open
[ 50.361837] usb 1-2: uvc_v4l2_open
[ 50.361902] usb 1-2: uvc_v4l2_open
[ 50.361971] usb 1-2: uvc_v4l2_open
[ 50.362045] usb 1-2: uvc_v4l2_open
[ 50.362113] usb 1-2: uvc_v4l2_open
[ 50.362180] usb 1-2: uvc_v4l2_open
[ 50.362247] usb 1-2: uvc_v4l2_open
[ 50.362314] usb 1-2: uvc_v4l2_open
[ 50.362380] usb 1-2: uvc_v4l2_open
[ 50.362447] usb 1-2: uvc_v4l2_open
[ 50.362516] usb 1-2: uvc_v4l2_open
[ 50.362595] usb 1-2: uvc_v4l2_open
[ 50.362643] usb 1-2: uvc_v4l2_open
[ 50.362692] usb 1-2: uvc_v4l2_open
[ 50.362740] usb 1-2: uvc_v4l2_open
[ 50.362790] usb 1-2: uvc_v4l2_open
[ 50.362839] usb 1-2: uvc_v4l2_open
[ 50.362887] usb 1-2: uvc_v4l2_open
[ 50.362935] usb 1-2: uvc_v4l2_open
[ 50.362985] usb 1-2: uvc_v4l2_open
[ 50.363042] usb 1-2: uvc_v4l2_open
[ 50.363088] usb 1-2: uvc_v4l2_open
[ 50.363136] usb 1-2: uvc_v4l2_open
[ 50.363189] usb 1-2: uvc_v4l2_release
[ 50.363259] usb 1-2: uvc_v4l2_release
[ 50.363347] usb 1-2: uvc_v4l2_release
[ 50.363421] usb 1-2: uvc_v4l2_release
[ 50.363466] usb 1-2: uvc_v4l2_release
[ 50.363514] usb 1-2: uvc_v4l2_release
[ 50.363552] usb 1-2: uvc_v4l2_release
[ 50.363588] usb 1-2: uvc_v4l2_release
[ 50.363653] usb 1-2: uvc_v4l2_release
[ 50.363697] usb 1-2: uvc_v4l2_release
[ 50.363767] usb 1-2: uvc_v4l2_release
[ 50.363825] usb 1-2: uvc_v4l2_release
[ 50.363873] usb 1-2: uvc_v4l2_release
[ 50.363939] usb 1-2: uvc_v4l2_release
[ 50.364011] usb 1-2: uvc_v4l2_release
[ 50.364062] usb 1-2: uvc_v4l2_release
[ 50.364118] usb 1-2: uvc_v4l2_release
[ 50.364177] usb 1-2: uvc_v4l2_release
[ 50.364228] usb 1-2: uvc_v4l2_release
[ 50.364289] usb 1-2: uvc_v4l2_release
[ 50.364372] usb 1-2: uvc_v4l2_release
[ 50.364420] usb 1-2: uvc_v4l2_release
[ 50.364477] usb 1-2: uvc_v4l2_release
[ 50.364535] usb 1-2: uvc_v4l2_release
[ 50.364587] usb 1-2: uvc_v4l2_release
[ 50.364632] usb 1-2: uvc_v4l2_release
[ 50.364689] usb 1-2: uvc_v4l2_release
[ 50.364745] usb 1-2: uvc_v4l2_release
[ 50.364817] usb 1-2: uvc_v4l2_release
[ 50.364863] usb 1-2: uvc_v4l2_release
[ 50.364913] usb 1-2: uvc_v4l2_release
[ 50.364968] usb 1-2: uvc_v4l2_release
[ 50.365039] usb 1-2: uvc_v4l2_release
[ 50.365095] usb 1-2: uvc_v4l2_release
[ 50.365150] usb 1-2: uvc_v4l2_release
[ 50.365210] usb 1-2: uvc_v4l2_release
[ 50.365268] usb 1-2: uvc_v4l2_release
[ 50.365315] usb 1-2: uvc_v4l2_release
[ 50.365362] usb 1-2: uvc_v4l2_release
[ 50.365408] usb 1-2: uvc_v4l2_release
[ 50.365466] usb 1-2: uvc_v4l2_release
[ 50.365535] usb 1-2: uvc_v4l2_release
[ 50.365581] usb 1-2: uvc_v4l2_release
[ 50.365626] usb 1-2: uvc_v4l2_release
[ 50.365662] usb 1-2: uvc_v4l2_release
[ 50.365706] usb 1-2: uvc_v4l2_release
[ 50.365750] usb 1-2: uvc_v4l2_release
[ 50.365790] usb 1-2: uvc_v4l2_release
[ 50.365854] usb 1-2: uvc_v4l2_release
[ 50.365900] usb 1-2: uvc_v4l2_release
[ 50.365965] usb 1-2: uvc_v4l2_release
[ 50.366038] usb 1-2: uvc_v4l2_release
[ 50.366084] usb 1-2: uvc_v4l2_release
[ 50.366150] usb 1-2: uvc_v4l2_release
[ 50.366219] usb 1-2: uvc_v4l2_release
[ 50.366263] usb 1-2: uvc_v4l2_release
[ 50.366326] usb 1-2: uvc_v4l2_release
[ 50.366369] usb 1-2: uvc_v4l2_release
[ 50.366407] usb 1-2: uvc_v4l2_release
[ 50.366468] usb 1-2: uvc_v4l2_release
[ 50.366536] usb 1-2: uvc_v4l2_release
[ 50.366579] usb 1-2: uvc_v4l2_release
[ 50.366643] usb 1-2: uvc_v4l2_release
[ 50.366686] usb 1-2: uvc_v4l2_release
[ 50.366749] usb 1-2: uvc_v4l2_release
[ 50.366817] usb 1-2: uvc_v4l2_release
[ 50.366860] usb 1-2: uvc_v4l2_release
[ 50.366897] usb 1-2: uvc_v4l2_release
[ 50.366958] usb 1-2: uvc_v4l2_release
[ 50.367032] usb 1-2: uvc_v4l2_release
[ 50.367078] usb 1-2: uvc_v4l2_release
[ 50.367140] usb 1-2: uvc_v4l2_release
[ 50.367208] usb 1-2: uvc_v4l2_release
[ 50.367251] usb 1-2: uvc_v4l2_release
[ 50.367313] usb 1-2: uvc_v4l2_release
[ 50.367356] usb 1-2: uvc_v4l2_release
[ 50.367419] usb 1-2: uvc_v4l2_release
[ 50.367485] usb 1-2: uvc_v4l2_release
[ 50.367554] usb 1-2: uvc_v4l2_release
[ 50.367587] usb 1-2: uvc_v4l2_release
[ 50.367636] usb 1-2: uvc_v4l2_release
[ 50.367669] usb 1-2: uvc_v4l2_release
[ 50.367717] usb 1-2: uvc_v4l2_release
[ 50.367752] usb 1-2: uvc_v4l2_release
[ 50.367802] usb 1-2: uvc_v4l2_release
[ 50.367852] usb 1-2: uvc_v4l2_release
[ 50.367895] usb 1-2: uvc_v4l2_release
[ 50.367936] usb 1-2: uvc_v4l2_release
[ 50.367978] usb 1-2: uvc_v4l2_release
[ 50.368027] usb 1-2: uvc_v4l2_release
[ 50.368071] usb 1-2: uvc_v4l2_release
[ 50.368113] usb 1-2: uvc_v4l2_release
[ 50.368155] usb 1-2: uvc_v4l2_release
[ 50.368198] usb 1-2: uvc_v4l2_release
[ 50.368241] usb 1-2: uvc_v4l2_release
[ 50.368283] usb 1-2: uvc_v4l2_release
[ 50.368326] usb 1-2: uvc_v4l2_release
[ 50.368369] usb 1-2: uvc_v4l2_release
[ 50.368412] usb 1-2: uvc_v4l2_release
[ 50.368455] usb 1-2: uvc_v4l2_release
[ 50.373076] usb 1-2: Control 0x00980001 not found
[ 50.374028] usb 1-2: Control 0x009a0001 not found
[ 50.375157] usb 1-2: Control 0x00000000 not found
[ 50.375440] usb 1-2: Control 0x00980903 not found
[ 50.375484] usb 1-2: Control 0x00980904 not found
[ 50.375528] usb 1-2: Control 0x00980905 not found
[ 50.375572] usb 1-2: Control 0x00980906 not found
[ 50.375615] usb 1-2: Control 0x00980907 not found
[ 50.375658] usb 1-2: Control 0x00980908 not found
[ 50.375701] usb 1-2: Control 0x00980909 not found
[ 50.375744] usb 1-2: Control 0x0098090a not found
[ 50.375788] usb 1-2: Control 0x0098090b not found
[ 50.375911] usb 1-2: Control 0x0098090d not found
[ 50.375955] usb 1-2: Control 0x0098090e not found
[ 50.376003] usb 1-2: Control 0x0098090f not found
[ 50.376125] usb 1-2: Control 0x00980911 not found
[ 50.376169] usb 1-2: Control 0x00980912 not found
[ 50.376292] usb 1-2: Control 0x00980914 not found
[ 50.376334] usb 1-2: Control 0x00980915 not found
[ 50.376377] usb 1-2: Control 0x00980916 not found
[ 50.376421] usb 1-2: Control 0x00980917 not found
[ 50.376658] usb 1-2: Control 0x00980919 not found
[ 50.376862] usb 1-2: Control 0x0098091c not found
[ 50.376907] usb 1-2: Control 0x0098091d not found
[ 50.376950] usb 1-2: Control 0x0098091e not found
[ 50.376993] usb 1-2: Control 0x0098091f not found
[ 50.377046] usb 1-2: Control 0x00980920 not found
[ 50.377090] usb 1-2: Control 0x00980921 not found
[ 50.377134] usb 1-2: Control 0x00980922 not found
[ 50.377176] usb 1-2: Control 0x00980923 not found
[ 50.377221] usb 1-2: Control 0x00980924 not found
[ 50.377265] usb 1-2: Control 0x00980925 not found
[ 50.377308] usb 1-2: Control 0x00980926 not found
[ 50.377352] usb 1-2: Control 0x00980927 not found
[ 50.377395] usb 1-2: Control 0x00980928 not found
[ 50.377439] usb 1-2: Control 0x00980929 not found
[ 50.377484] usb 1-2: Control 0x0098092a not found
[ 50.377528] usb 1-2: Control 0x08000000 not found
[ 50.378178] usb 1-2: Control 0x00000000 not found
[ 50.378320] usb 1-2: Control 0x00980903 not found
[ 50.378357] usb 1-2: Control 0x00980904 not found
[ 50.378394] usb 1-2: Control 0x00980905 not found
[ 50.378430] usb 1-2: Control 0x00980906 not found
[ 50.378466] usb 1-2: Control 0x00980907 not found
[ 50.378502] usb 1-2: Control 0x00980908 not found
[ 50.378539] usb 1-2: Control 0x00980909 not found
[ 50.378576] usb 1-2: Control 0x0098090a not found
[ 50.378612] usb 1-2: Control 0x0098090b not found
[ 50.378683] usb 1-2: Control 0x0098090d not found
[ 50.378719] usb 1-2: Control 0x0098090e not found
[ 50.378756] usb 1-2: Control 0x0098090f not found
[ 50.378827] usb 1-2: Control 0x00980911 not found
[ 50.378863] usb 1-2: Control 0x00980912 not found
[ 50.378934] usb 1-2: Control 0x00980914 not found
[ 50.378970] usb 1-2: Control 0x00980915 not found
[ 50.379010] usb 1-2: Control 0x00980916 not found
[ 50.379046] usb 1-2: Control 0x00980917 not found
[ 50.379116] usb 1-2: Control 0x00980919 not found
[ 50.379224] usb 1-2: Control 0x0098091c not found
[ 50.379261] usb 1-2: Control 0x0098091d not found
[ 50.379298] usb 1-2: Control 0x0098091e not found
[ 50.379334] usb 1-2: Control 0x0098091f not found
[ 50.379370] usb 1-2: Control 0x00980920 not found
[ 50.379406] usb 1-2: Control 0x00980921 not found
[ 50.379443] usb 1-2: Control 0x00980922 not found
[ 50.379479] usb 1-2: Control 0x00980923 not found
[ 50.379515] usb 1-2: Control 0x00980924 not found
[ 50.379552] usb 1-2: Control 0x00980925 not found
[ 50.379588] usb 1-2: Control 0x00980926 not found
[ 50.379624] usb 1-2: Control 0x00980927 not found
[ 50.379661] usb 1-2: Control 0x00980928 not found
[ 50.379698] usb 1-2: Control 0x00980929 not found
[ 50.379735] usb 1-2: Control 0x0098092a not found
[ 50.379772] usb 1-2: Control 0x08000000 not found
[ 50.387154] usb 1-2: Control 0x00000000 not found
[ 50.387223] usb 1-2: Control 0x00000000 not found
[ 50.389670] usb 1-2: Control 0x00000000 not found
[ 50.389708] usb 1-2: Control 0x00000000 not found
[ 50.389759] usb 1-2: Control 0x00000000 not found
[ 50.390729] usb 1-2: uvc_v4l2_poll
[ 50.390881] usb 1-2: uvc_v4l2_poll
[ 50.390958] usb 1-2: uvc_v4l2_poll
[ 50.391079] usb 1-2: uvc_v4l2_poll
[ 50.391177] usb 1-2: uvc_v4l2_poll
[ 50.391283] usb 1-2: uvc_v4l2_poll
[ 50.391383] usb 1-2: uvc_v4l2_poll
[ 50.391484] usb 1-2: uvc_v4l2_poll
[ 50.391584] usb 1-2: uvc_v4l2_poll
[ 50.391755] usb 1-2: uvc_v4l2_poll
[ 50.391857] usb 1-2: uvc_v4l2_poll
[ 50.391969] usb 1-2: uvc_v4l2_poll
[ 50.392121] usb 1-2: uvc_v4l2_poll
[ 50.392233] usb 1-2: uvc_v4l2_poll
[ 50.392399] usb 1-2: uvc_v4l2_poll
[ 50.392507] usb 1-2: uvc_v4l2_poll
[ 50.399694] usb 1-2: Setting frame interval to 0/0 (4294967295)
[ 50.400055] usb 1-2: Setting frame interval to 0/1 (0)
[ 50.400398] usb 1-2: Setting frame interval to 1/0 (4294967295)
[ 50.401730] usb 1-2: Trying format 0x47504a4d (MJPG): 640x480
[ 50.401734] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.402079] usb 1-2: Trying format 0xffffffff (\xff\xff\xff\xff):
4294967295x4294967295
[ 50.402083] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.402498] usb 1-2: Trying format 0xffffffff (\xff\xff\xff\xff):
4294967295x4294967295
[ 50.402501] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.402836] usb 1-2: Trying format 0x47504a4d (MJPG): 640x480
[ 50.402840] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.403268] usb 1-2: Trying format 0x47504a4d (MJPG): 0x0
[ 50.403272] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.403688] usb 1-2: Trying format 0x47504a4d (MJPG): 640x480
[ 50.403691] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.404444] usb 1-2: Trying format 0x47504a4d (MJPG): 1x1
[ 50.404447] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.404867] usb 1-2: Trying format 0x47504a4d (MJPG): 16384x16384
[ 50.404870] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.405282] usb 1-2: Trying format 0x47504a4d (MJPG): 640x480
[ 50.405285] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.406031] usb 1-2: uvc_v4l2_release
[ 50.406065] usb 1-2: uvc_v4l2_open
[ 50.409549] usb 1-2: uvc_v4l2_release
[ 50.409576] usb 1-2: uvc_v4l2_open
[ 50.410127] usb 1-2: Setting frame interval to 1/1000 (10000)
[ 50.410733] usb 1-2: uvc_v4l2_release
[ 50.410792] usb 1-2: uvc_v4l2_open
[ 50.410980] usb 1-2: uvc_v4l2_release
[ 50.411011] usb 1-2: uvc_v4l2_open
[ 50.411204] usb 1-2: Trying format 0x47504a4d (MJPG): 640x480
[ 50.411207] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.411601] usb 1-2: Setting frame interval to 1/15 (666666)
[ 50.412041] usb 1-2: uvc_v4l2_release
[ 50.412083] usb 1-2: uvc_v4l2_open
[ 50.475712] usb 1-2: uvc_v4l2_release
[ 50.475929] usb 1-2: uvc_v4l2_open
[ 50.477599] usb 1-2: Trying format 0x47504a4d (MJPG): 640x480
[ 50.477618] usb 1-2: Using default frame interval 33333.3 us (30.0 fps)
[ 50.478424] usb 1-2: Setting frame interval to 1/15 (666666)
[ 50.479445] usb 1-2: uvc_v4l2_release
[ 50.479664] usb 1-2: uvc_v4l2_open
[ 50.481183] usb 1-2: uvc_v4l2_release
[ 50.481312] usb 1-2: uvc_v4l2_release
[ 52.794273] usb 1-2: Suspending interface 1
[ 52.794289] usb 1-2: Suspending interface 0
>
> drivers/media/usb/uvc/uvc_driver.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
> index 29befcb229b2..27234fe60a48 100644
> --- a/drivers/media/usb/uvc/uvc_driver.c
> +++ b/drivers/media/usb/uvc/uvc_driver.c
> @@ -256,7 +256,7 @@ static struct uvc_format_desc *uvc_format_by_guid(const u8 guid[16])
> static enum v4l2_colorspace uvc_colorspace(const u8 primaries)
> {
> static const enum v4l2_colorspace colorprimaries[] = {
> - V4L2_COLORSPACE_DEFAULT, /* Unspecified */
> + V4L2_COLORSPACE_SRGB, /* Unspecified */
> V4L2_COLORSPACE_SRGB,
> V4L2_COLORSPACE_470_SYSTEM_M,
> V4L2_COLORSPACE_470_SYSTEM_BG,
> @@ -267,7 +267,7 @@ static enum v4l2_colorspace uvc_colorspace(const u8 primaries)
> if (primaries < ARRAY_SIZE(colorprimaries))
> return colorprimaries[primaries];
>
> - return V4L2_COLORSPACE_DEFAULT; /* Reserved */
> + return V4L2_COLORSPACE_SRGB; /* Reserved */
> }
>
> static enum v4l2_xfer_func uvc_xfer_func(const u8 transfer_characteristics)
> @@ -769,6 +769,8 @@ static int uvc_parse_format(struct uvc_device *dev,
>
> buflen -= buffer[0];
> buffer += buffer[0];
> + } else {
> + format->colorspace = V4L2_COLORSPACE_SRGB;
> }
>
> return buffer - start;
> --
> 2.34.0.rc1.387.gb447b232ab-goog
>
