[Hardware Graphic/Video Acceleration in H3 Mainline]

Hello again.

I've compiled libva-v4l2-request for actual orangepipc 5.7.15-sunxi #20.08

Works better than 5.4.45, no artifacts in 720p

Patched sources: https://github.com/Sash0k/libva-v4l2-request

[Cedrus on Armbian]

Hello. Thanks to you post, i've started VPU acceleration in H3 (OrangePI PC). For your SBC seems it will be the same.

 

On 5/29/2020 at 10:09 PM, divis1969 said:

I have reverted the following commits:

 

Seems, it will be better to upgrade backend headers, than downgrade kernel

 

On 5/29/2020 at 10:09 PM, divis1969 said:

[AVHWFramesContext @ 0xae54cfe0] Failed to destroy surface 0x400000b: 6 (invalid VASurfaceID).

 

Try this patch: https://github.com/bootlin/libva-v4l2-request/pull/30/files

 

Details:

https://forum.armbian.com/topic/11184-hardware-graphicvideo-acceleration-in-h3-mainline/?do=findComment&comment=105564

[Hardware Graphic/Video Acceleration in H3 Mainline]

Finally got it! No kernel modifications needed, only v4l2-request.

Key notes:

• Use bootlin code, latest master (not release-2019.03 tag)
• I merged just one small patch from https://github.com/bootlin/libva-v4l2-request/pull/30/files (seems, it's unecessary)
• Download kernel sources with corresponding version. For my armbian is: https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.45.tar.xz
• Extract 2 files from kernel/include/media mpeg2-ctrls.h and h264-ctrls.h and replace ones in v4l2-request
• Replace V4L2_PIX_FMT_H264_SLICE_RAW to V4L2_PIX_FMT_H264_SLICE in v4l2-request source code
• Compile and install (instruction is as 2 posts above)
• Don't forget to set VLC as in https://linux-sunxi.org/Sunxi-Cedrus
  Spoiler

  Tools > Preferences > Input / Codecs > Codecs > Hardware-accelerated decoding > VA-API video decoder

  Tools > Preferences > Video > Display > Output > X11 video output (XCB)

 

Tested with VLC, usable with issues:

• Artifacts in some videos h264 720p and higher, for example: https://imgur.com/nYFArT4 (360/480 works fine)
• Scaling (fullscreen, resizing) not works, slowdown with message

  [a310cb88] main filter error: Failed to create video converter

• Minor issues in console output on playback (see bold)
  Spoiler

  $ vlc 3-big_buck_bunny_480p_H264_AAC_25fps_1800K.MP4
  VLC media player 3.0.9.2 Vetinari (revision 3.0.9.2-0-gd4c1aefe4d)
  [02287b98] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
  libEGL warning: DRI2: failed to authenticate
  libva info: VA-API version 1.7.0
  libva info: User environment variable requested driver 'v4l2_request'
  libva info: Trying to open /usr/lib/arm-linux-gnueabihf/dri/v4l2_request_drv_video.so
  libva info: Found init function __vaDriverInit_1_7
  libva info: va_openDriver() returns 0
  [a272d350] avcodec decoder: Using v4l2-request for hardware decoding
  [a3018b98] blend blend error: no matching alpha blending routine (chroma: YUVA -> VAOP)
  [a3018b98] main blend error: blending YUVA to VAOP failed

 

Thanks to: @jernej for this post:

 

[Hardware Graphic/Video Acceleration in H3 Mainline]

4 hours ago, Dreyk said:

@Sash0k, it looks interesting.
What about the real video playback in video players (like mpv, vlc, etc...)?

 

Unfortunately, no success.

 

First, mainline bootlin backend is outdated, h264 broken. It has some pull requests, that not merged.

Tryng to recompile Philipp Zabel's version, and merge his work for h264

Spoiler

$ git clone https://github.com/pH5/libva-v4l2-request.git
$ cd libva-v4l2-request
$ git merge origin/h264
$ ./autogen.sh
$ make
$ sudo make install

 

 

This version works with artifacts in VLC:

 

[Hardware Graphic/Video Acceleration in H3 Mainline]

Trying to add VA-API into actual Armbian Focal (Linux orangepipc 5.4.45-sunxi #20.05.4)

 

Install instruction

Spoiler

$ sudo apt-get install libtool pkg-config vainfo libva2 libva-x11-2 libva-drm2 libva-utils libva-dev libdrm-dev

$ git clone https://github.com/bootlin/libva-v4l2-request

$ cd libva-v4l2-request

$ ./autogen.sh

$ make

$ sudo make install

 

Next, export driver:

$ export LIBVA_DRIVER_NAME=v4l2_request

and check it with vainfo tool. Have an error:

$ vainfo 
libva info: VA-API version 1.7.0
libva info: User environment variable requested driver 'v4l2_request'
libva info: Trying to open /usr/lib/arm-linux-gnueabihf/dri/v4l2_request_drv_video.so
libva info: va_openDriver() returns -1
vaInitialize failed with error code -1 (unknown libva error),exit

 

To fix, add symbolic link to installed driver:

$ sudo ln -s /usr/lib/dri/v4l2_request_drv_video.so /usr/lib/arm-linux-gnueabihf/dri/

 

And seems everything is ok

$ vainfo 
libva info: VA-API version 1.7.0
libva info: User environment variable requested driver 'v4l2_request'
libva info: Trying to open /usr/lib/arm-linux-gnueabihf/dri/v4l2_request_drv_video.so
libva info: Found init function __vaDriverInit_1_7
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.7 (libva 2.6.0)
vainfo: Driver version: v4l2-request
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            :	VAEntrypointVLD
      VAProfileMPEG2Main              :	VAEntrypointVLD
      VAProfileH264Main               :	VAEntrypointVLD
      VAProfileH264High               :	VAEntrypointVLD
      VAProfileH264ConstrainedBaseline:	VAEntrypointVLD
      VAProfileH264MultiviewHigh      :	VAEntrypointVLD
      VAProfileH264StereoHigh         :	VAEntrypointVLD
      VAProfileHEVCMain               :	VAEntrypointVLD