[vlc-devel] [VLC] #4167: Can't play 60 fps AVC video with VAAPI/DxVA2

xxcv xxcv07 at gmail.com
Mon Sep 13 09:12:04 CEST 2010


On 13/09/2010 8:47 AM, VLC wrote:
> #4167: Can't play 60 fps AVC video with VAAPI/DxVA2
> ---------------------------+------------------------------------------------
>    Reporter:  quutar        |        Owner:  courmisch
>        Type:  defect        |       Status:  new
>    Priority:  normal        |    Milestone:  Bugs paradize
>   Component:  I don't know  |      Version:  master
>    Severity:  normal        |   Resolution:
>    Keywords:                |     Platform:  all
> Difficulty:  unknown       |          Wip:  Not started
> ---------------------------+------------------------------------------------
>
> Comment(by quutar):
>
>   I am not aware of how that specific test file was encoded... it was giveen
>   to me to test. I have the original huffyuv master that was used to make
>   the sample file I linked... I re encoded that multiple ways
>
>   my "template" encode line was
>
>   x264 --crf XX --profile high --preset veryslow --tune animation,YY -o
>   test-name.mp4 Nostromo_-_Running_Man_720p at 60.avs
>
>   I tried different versions... using CRF (XX) of 10 and 18... and
>   additional tuning(YY) being none, fastdecode, fastdecode&  zerolatency
>
>   * original - lots of blocks and dropped frames
>   * crf 10 normal - dropped frames (2/3 dropped), occasional blocks
>   * crf 10 fast decode - dropped frames (50% dropped), occasional blocks
>   * crf 10 fast decode, zero latency - dropped frames (about 40%) occasional
>   blocks
>   * crf 18 normal - dropped frames (over 50%, almost 2/3) and occasionally
>   blocks
>   * crf 18 fast decode - just under 50% frame drop... occasionally blocks
>   * crf 18 fast decode, zero latency - about 35% dropped frames,
>   occasionally blocks
>
>   I can upload those 6 test files somewhere if that would help
>
Does mplayer+gpu decode show same issues ?

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