05.07.18 16:52, Nicolas Dufresne пише:
> Le jeudi 05 juillet 2018 à 16:35 +0300, Oleh Kravchenko a écrit :
>
> And do you get the same with GStreamer ?
> gst-launch-1.0 v4l2src device=/dev/video1 norm=PAL ! videoconvert ! autovideosink
Doesn't work:
$ v4l2-ctl -d /dev/video2 --all
Driver Info (not using libv4l2):
Driver name : cx231xx
Card type : Astrometa T2hybrid
Bus info : usb-0000:01:00.0-7
Driver version: 4.16.18
Capabilities : 0x85200011
Video Capture
VBI Capture
Read/Write
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x05200001
Video Capture
Read/Write
Streaming
Extended Pix Format
Priority: 2
Video input : 1 (Composite1: no signal, no hsync lock.)
Video Standard = 0x000000ff
PAL-B/B1/G/H/I/D/D1/K
Format Video Capture:
Width/Height : 720/576
Pixel Format : 'YUYV'
Field : Interlaced
Bytes per Line : 1440
Size Image : 829440
Colorspace : SMPTE 170M
Transfer Function : Default
YCbCr Encoding : Default
Quantization : Default
Flags :
Crop Capability Video Capture:
Bounds : Left 0, Top 0, Width 720, Height 576
Default : Left 0, Top 0, Width 720, Height 576
Pixel Aspect: 54/59
Streaming Parameters Video Capture:
Frames per second: 25.000 (25/1)
Read buffers : 2
User Controls
brightness (int) : min=0 max=255 step=1 default=128 value=128 flags=slider
contrast (int) : min=0 max=127 step=1 default=64 value=64 flags=slider
saturation (int) : min=0 max=127 step=1 default=64 value=64 flags=slider
hue (int) : min=-128 max=127 step=1 default=0 value=0 flags=slider
volume (int) : min=0 max=65535 step=655 default=60928 value=60928 flags=slider
balance (int) : min=0 max=65535 step=655 default=32768 value=32768 flags=slider
bass (int) : min=0 max=65535 step=655 default=32768 value=32768 flags=slider
treble (int) : min=0 max=65535 step=655 default=32768 value=32768 flags=slider
mute (bool) : default=0 value=1
$ gst-launch-1.0 v4l2src device=/dev/video2 norm=PAL ! videoconvert ! autovideosink
Setting pipeline to PAUSED ...
ERROR: Pipeline doesn't want to pause.
ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Failed to get setting of tuner 0 on device '/dev/video2'.
Additional debug info:
/tmp/portage/media-plugins/gst-plugins-v4l2-1.12.4/work/gst-plugins-good-1.12.4/sys/v4l2/v4l2_calls.c(190): gst_v4l2_fill_lists (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
system error: Inappropriate ioctl for device
Setting pipeline to NULL ...
Freeing pipeline ...
--
Best regards,
Oleh Kravchenko
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