[Libav-user] prores encoding

[Carl Eugen Hoyos]

2018-05-21 22:24 GMT+02:00, David Ibbitson <david.ibbitson at gmail.com>:
> Hi Folks,
>
> I'm having trouble with both prores codecs -- prores, and proes_ks.
>
> I've tried both and even though both support FF_THREAD_FRAME
> I'm getting significant frame tearing given the more threads I use.
>
> I'm setting:
>
> vctx_->profile = 3;
> vctx_->thread_type = FF_THREAD_FRAME;
> vctx_->thread_count = 16;
>
> to achieve reasonable performance, but the video tearing
> on  output is not good. Allot of frame jumping in addition.

This sounds as if you overwrite the frame data before it is
consumed by libavcodec.

Carl Eugen