https://bugs.freedesktop.org/show_bug.cgi?id=104920
Bug ID: 104920
Summary: Broken hardware video encoding with vaapi/ffmpeg
Product: DRI
Version: XOrg git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel@lists.freedesktop.org
Reporter: s...@whiz.se
Hi,
I'm trying to encode video using ffmpeg 3.4.1 with the following command:
ffmpeg -vaapi_device /dev/dri/renderD128 -f x11grab -video_size 1920x1080 -i :0
-vf 'format=nv12,hwupload' -c:v h264_vaapi -bf 0 out.mp4
This seems to work, ffmpeg doesn't complain, and I can tell the GPU is active
as the fans turn on.
But the video recorded is corrupt and ffplay reports the following errors a
bunch of times:
[h264 @ 0x7f4ae4003060] decode_slice_header error
[h264 @ 0x7f4ae4003060] no frame!
[h264 @ 0x7f4ae4003060] non-existing PPS 0 referenced
and
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x56377e460000] decoding for stream 0 failed
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x56377e460000] Could not find codec parameters for
stream 0 (Video: h264 (avc1 / 0x31637661), none, 1920x1080, 1159 kb/s):
unspecified pixel format
System environment:
-- system architecture: 64-bit
-- Linux distribution: Debian unstable
-- GPU: TONGA
-- Model: Asus Strix R9 285 2GB
-- Display connector: DVI
-- xf86-video-amdgpu: 1.4.0
-- xserver: 1.19.0
-- mesa: 17.3.3
-- drm: 2.4.89
-- kernel: 4.14
-- dri3
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