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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 104920] Broken hardware video encoding with vaapi/ffmpeg
Date: Fri, 02 Feb 2018 20:53:24 +0000	[thread overview]
Message-ID: <bug-104920-502@http.bugs.freedesktop.org/> (raw)


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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: sa@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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             reply	other threads:[~2018-02-02 20:53 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-02 20:53 bugzilla-daemon [this message]
2018-02-02 20:59 ` [Bug 104920] Broken hardware video encoding with vaapi/ffmpeg bugzilla-daemon
2018-02-03  0:23 ` bugzilla-daemon
2018-02-03 18:56 ` bugzilla-daemon
2018-02-27 19:36 ` bugzilla-daemon
2018-02-27 20:30 ` bugzilla-daemon
2018-02-27 21:19 ` bugzilla-daemon
2018-02-28 10:54 ` bugzilla-daemon
2018-05-21 16:52 ` bugzilla-daemon
2018-05-22 13:01 ` bugzilla-daemon
2018-05-22 16:18 ` bugzilla-daemon

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