[mythtv] FFmpeg 4.4.1 problems

[Peter Bennett]

On 11/18/21 3:12 PM, Peter Bennett wrote:
>
> On 11/18/21 1:08 PM, Klaas de Waal wrote:
>> The ffplay from Fedora 35 plays all teletext pages as a video 
>> sequence.... with possible a video backdrop but that is difficult to 
>> see.
>> The mythffplay from current master plays OK, both the start and the 
>> skipping.
>> But more interesting is that mythffplay from the devel/ffmpeg-resync 
>> branch also plays OK, both the start and the skipping.
>>
> Are you able to make sure that ffplay and mythffplay are using vdpau? 
> I suspect they may not be using any hardware acceleration. MythTV also 
> plays fine with no hardware acceleration. ffplay does not support the 
> -hwaccel option that is available with ffmpeg.
>
> You can add -sst 0 option to ffplay to prevent the videotext from 
> showing.
>
> Peter
>
>
An old link, but maybe still correct:

https://ffmpeg-user.ffmpeg.narkive.com/TpH64Voh/ffplay-and-vdpau

https://lists.ffmpeg.org/pipermail/ffmpeg-user/2012-July/008121.html