Video decoding on NVIDIA
Please buy some real Linux hardware.
This doesn't really help at all. Is it supposed to be funny, or is it
just cynical resignation?
After trying to configure HW acceleration on 9xx series GPU, I'll just take that as a serious response.
Consider following points:
* VDPAU is not compatible with Wayland, our main desktop scenario.
* Video decoding in Firefox on X11 is limited to X11/EGL, which does not work with the Nvidia proprietary driver (but at least there's a hope for that scenario).
* There's no NVDEC vaapi backend, and I see opinions that it would be hard to fit NVDEC into vaapi model.
* Nouveau support ends at VP5 (7xx series).
The wording might be different, but _at the moment_ any recent Nvidia hardware cannot be used for HW video acceleration in Firefox.
currently,for proprietary nvidia hw accel
useful docs
https://wiki.archlinux.org/title/Hardware_video_acceleration
e.g.
on
lsb_release -rd
Description: Fedora release 35 (Thirty Five)
Release: 35
with nvidia hw,
hwinfo --gfxcard | egrep " Model| Device| Driver:"
Model: "nVidia GP108 [GeForce GT 1030]"
Device: pci 0x1d01 "GP108 [GeForce GT 1030]"
Driver: "nvidia"
latest upstream driver,
nvidia-settings -q NvidiaDriverVersion
Attribute 'NvidiaDriverVersion' (test.loc:0.0): 495.44
Attribute 'NvidiaDriverVersion' (test.loc:0[gpu:0]): 495.44
lsmod | grep nv
nvidia_uvm 1167360 0
nvidia_drm 73728 8
nvidia_modeset 1150976 20 nvidia_drm
nvidia 36950016 1354 nvidia_uvm,nvidia_modeset
drm_kms_helper 303104 1 nvidia_drm
drm 630784 14 drm_kms_helper,nvidia,drm_ttm_helper,nvidia_drm,ttm
currently, this set of relevant pkgs
rpm -qa | egrep "libva|nvidia|vdpau|dkms|kernel-devel|glx|^egl|glvnd|libvpx|vulkan"
dkms-2.8.6-1.fc35.noarch
egl-utils-8.4.0-12.20210504git0f9e7d9.fc35.x86_64
glx-utils-8.4.0-12.20210504git0f9e7d9.fc35.x86_64
kernel-devel-5.14.17-301.fc35.x86_64
libglvnd-1.3.4-2.fc35.x86_64
libglvnd-core-devel-1.3.4-2.fc35.x86_64
libglvnd-devel-1.3.4-2.fc35.x86_64
libglvnd-egl-1.3.4-2.fc35.x86_64
libglvnd-gles-1.3.4-2.fc35.x86_64
libglvnd-glx-1.3.4-2.fc35.x86_64
libglvnd-opengl-1.3.4-2.fc35.x86_64
libva-2.13.0-2.fc35.x86_64
libva-utils-2.13.0-1.fc35.x86_64
libva-vdpau-driver-0.7.4-110.fc35.x86_64
libvdpau-1.4-6.fc35.x86_64
libvdpau-devel-1.4-6.fc35.x86_64
libvdpau-trace-1.4-6.fc35.x86_64
libvdpau-va-gl-0.4.2-20.fc35.x86_64
libvpx-1.10.0-2.fc35.x86_64
mesa-vdpau-drivers-21.2.5-1.fc35.x86_64
mesa-vulkan-drivers-21.2.5-1.fc35.x86_64
vdpauinfo-1.4-1.fc35.x86_64
vulkan-headers-1.2.189.0-1.fc35.noarch
vulkan-loader-1.2.189.0-1.fc35.x86_64
vulkan-loader-devel-1.2.189.0-1.fc35.x86_64
vulkan-tools-1.2.189.0-1.fc35.x86_64
checking for X11
grep -iE 'vdpau | dri driver' /var/log/Xorg.0.log
[ 37.637] (II) NVIDIA(0): [DRI2] VDPAU driver: nvidia
verifying
ldd `which mpv` | egrep -i "egl|nvidia|vdpau"
libEGL.so.1 => /lib64/libEGL.so.1 (0x00007fadfdbb4000)
libwayland-egl.so.1 => /lib64/libwayland-egl.so.1 (0x00007fadfbdbe000)
libvdpau.so.1 => /lib64/libvdpau.so.1 (0x00007fadfacea000)
VDPAU_DRIVER=nvidia mpv --hwdec=auto TEST.mp4
(+) Video --vid=1 (*) (h264 1920x1080 30.015fps)
(+) Audio --aid=1 --alang=eng (*) (aac 2ch 48000Hz)
Using hardware decoding (nvdec).
AO: [pulse] 48000Hz stereo 2ch float
VO: [gpu] 1920x1080 cuda[nv12]
AV: 00:00:02 / 00:00:39 (7%) A-V: 0.026 ct: 0.256
for FF
rpm -qa firefox
firefox-94.0-1.fc35.x86_64
read
https://www.phoronix.com/scan.php?page=news_item&px=Firefox-94-EGL-Linux-Usage
https://mozillagfx.wordpress.com/2021/10/30/switching-the-linux-graphics-stack-from-glx-to-egl/
note
"In X.org, since 94, Firefox will run in EGL mode by default which is sufficient [19]."
user.js settings currently include,
user_pref("media.ffmpeg.enabled", true);
user_pref("media.ffmpeg.vaapi.enabled", true);
user_pref("media.ffmpeg.vaapi-drm-display.enabled", true);
user_pref("media.ffvpx.enabled", false);
user_pref("media.navigator.mediadatadecoder_vpx_enabled", true);
user_pref("media.rdd-ffvpx.enabled", false);
user_pref("media.rdd-vpx.enabled", false);
check
grep -iE 'vdpau | dri driver' /var/log/Xorg.0.log
[ 216.777] (II) NVIDIA(0): [DRI2] VDPAU driver: nvidia
^^^^^^
hwinfo --gfxcard | grep "SysFS ID"
SysFS ID: /devices/pci0000:00/0000:00:03.1/0000:09:00.0
ls -d /sys/devices/pci0000:00/0000:00:03.1/0000:09:00.0/drm/render*
/sys/devices/pci0000:00/0000:00:03.1/0000:09:00.0/drm/renderD128/
ls -al /usr/lib64/dri/nvidia_drv_video*
lrwxrwxrwx 1 root root 18 Jul 22 12:18 /usr/lib64/dri/nvidia_drv_video.so -> vdpau_drv_video.so*
^^^^^^
launch @ shell
VDPAU_DRIVER=nvidia MOZ_LOG="Dmabuf:5, PlatformDecoderModule:5" firefox
nav to
https://sample-videos.com/video123/mp4/720/big_buck_bunny_720p_1mb.mp4
@ shell
...
[Child 19933: Main Thread]: D/Dmabuf nsDMABufDevice::IsDMABufVAAPIEnabled: EGL 1 DMABufEnabled 1 media_ffmpeg_vaapi_enabled 1 CanUseHardwareVideoDecoding 1 !XRE_IsRDDProcess 1
...
[RDD 20039: Main Thread]: D/PlatformDecoderModule PDMInitializer, Init PDMs in RDD process
[RDD 20039: Main Thread]: D/Dmabuf nsDMABufDevice::Configure()
[RDD 20039: Main Thread]: D/Dmabuf Loading DMABuf system library libgbm.so.1 ...
...
[RDD 20039: Main Thread]: D/Dmabuf DMABuf is enabled, using drm node /dev/dri/renderD128
[RDD 20039: Main Thread]: D/Dmabuf nsDMABufDevice::IsDMABufVAAPIEnabled: EGL 1 DMABufEnabled 1 media_ffmpeg_vaapi_enabled 1 CanUseHardwareVideoDecoding 1 !XRE_IsRDDProcess 0
[RDD 20039: Main Thread]: D/PlatformDecoderModule VA-API FFmpeg is disabled by platform
...
[Child 19933: MediaPDecoder #2]: D/Dmabuf nsDMABufDevice::IsDMABufVAAPIEnabled: EGL 1 DMABufEnabled 1 media_ffmpeg_vaapi_enabled 1 CanUseHardwareVideoDecoding 1 !XRE_IsRDDProcess 1
[Child 19933: MediaPDecoder #2]: D/Dmabuf nsDMABufDevice::IsDMABufVideoEnabled: EGL 1 DMABufEnabled 1 !media_ffmpeg_dmabuf_textures_disabled 1 !XRE_IsRDDProcess() 1
[Child 19933: MediaPDecoder #2]: D/PlatformDecoderModule Initialising VA-API FFmpeg decoder
libva info: VA-API version 1.13.0
[Child 19933: MediaPDecoder #2]: D/PlatformDecoderModule Initialising FFmpeg decoder.
[Child 19933: MediaPDecoder #2]: D/PlatformDecoderModule FFmpeg init successful.
[Child 19933: MediaPDecoder #2]: D/PlatformDecoderModule Choosing FFmpeg pixel format for video decoding.
[Child 19933: MediaPDecoder #2]: D/PlatformDecoderModule Requesting pixel format YUV420P.
[vp9 @ 0x7f8a48d85800] Format yuv420p chosen by get_format().
[Child 19933: MediaPDecoder #1]: D/PlatformDecoderModule AudioTrimmer[7f8a37ab3e80] ::PrepareTrimmers: sample[0,21000] no trimming information
[RDD 20039: MediaPDecoder #1]: D/PlatformDecoderModule OpusDataDecoder[7fb627975080] ::Decode: Opus decoder skipping 312 of 960 frames
[Child 19933: MediaPDecoder #3]: D/PlatformDecoderModule AudioTrimmer[7f8a37ab3e80] ::HandleDecodedResult: sample[0,21000] (decoded[0,13500] no trimming needed
[Child 19933: MediaPDecoder #2]: D/PlatformDecoderModule DMABuf Got one frame output with pts=0dts=0 duration=33000 opaque=-9223372036854775808
...
ymmv
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