[mythtv-users] ffmpeg vs vdpau decode for h264

Tom Dexter digitalaudiorock at gmail.com
Sat May 18 17:17:26 UTC 2019


On 5/18/19, Paul Gardiner <lists at glidos.net> wrote:
> On 18/05/2019 15:19, Tom Dexter wrote:
>> On 5/18/19, Paul Gardiner <lists at glidos.net> wrote:
>>>>> That is this file:
>>>>> https://drive.google.com/file/d/0BwxFVkl63-lEbVptTVZ2NENURHM/view?usp=sharing
>>>>>
>>>>> I'd be interested to see if others find the same behavior. Most
>>>>> importantly, I'd love to see if someone running 29.1 and using vdpau
>>>>> can play this in mythtv with vdpau decoding.
>>>
>>> Plays under 29.1 using vdpau for me. That's on an oldish ION-based ZBox.
>>> Strangely, although "Video" shows it to be 1920x1080p50, "FPS" shows
>>> 25.1. I have other p50 videos, albeit 720, that show "FPS" as 50 while
>>> playing.
>>>
>>> Cheers,
>>> 	Paul.
>>
>> Very interesting...thanks for testing that! I just posted a link in
>> that bug to this, which is another better example that falls back to
>> software in mythtv:
>>
>> http://jell.yfish.us/media/jellyfish-60-mbps-hd-h264.mkv
>
> No problem playing that with vdpau under 29.1 either.

Thanks! Also interesting. I'd be interested for others to try that
running 30.0...especially on 64 bit platforms. As  I added to that
bug, in my case I'm running on an older 32 bit x86 system, and it's at
least possible the decode errors are related to that.

Thanks again!
Tom


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