[FFmpeg-trac] #3138(undetermined:new): VDPAU: MPEG-4 Video Corruption/Garbling with Radeon hardware decoding

FFmpeg trac at avcodec.org
Tue Nov 19 09:34:24 CET 2013

#3138: VDPAU: MPEG-4 Video Corruption/Garbling with Radeon hardware decoding
             Reporter:  aphirst      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  2.1          |  undetermined
             Keywords:  vdpau asp    |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0

Comment (by aphirst):

 I really don't know. It's definitely true that when I started using VDPAU
 on my Radeon chip, I also (necessarily) started using the Free driver as

 From where I stand at least, I'd've thought that this is to do with either
 FFmpeg's handling of this specific kind of file content over to VDPAU, or
 how the radeon driver gets it from VDPAU to the hardware decoder.

 Either way; I '''know''' that mplayer/mpv/VLC/etc. can play this content
 fine with Nvidia+VDPAU, software-decoding and so on; and I know that this
 specific device has been able to hardware decode it (Catalyst+VAAPI) - so
 surely the problem has to lie somewhere between the player and the

 I thought I ought to report my issue to FFmpeg first, since I fully
 expected that the freedesktop guys would just say something like "report
 to FFmpeg first and work down from there".

 What do you think then; should I report this over there as well, link to
 this report, and see how it goes?

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3138#comment:9>
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