[mythtv] FFmpeg 4.4.1 problems
Peter Bennett
pb.mythtv at gmail.com
Thu Nov 18 20:16:01 UTC 2021
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
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