[FFmpeg-devel] [PATCH] Frame rate emulation

Ramiro Ribeiro Polla ramiro
Fri Jun 29 22:03:03 CEST 2007

Luca Abeni wrote:
> Hi Michael,
> Michael Niedermayer wrote:
> [...]
>>> (and I think v4l2 is not doing "frame rate emulation", it is just 
>>> synchronizing with the real rate of the input...)
>> yes but IMHO no demuxer or protocol should be blocking like they do
> Ok. After reading your email, I agree with you.
> But I think this would be a big change in the current behaviour, and we 
> need to be careful about it. For example, most of the code using 
> libavformat will have to be changed (if I understand ffmpeg.c correctly, 
> just returning EAGAIN if a frame is not available would not change 
> anything in the current behaviour, but will cause a 100% CPU load).

Any new ideas on how to not make it a busy wait?

Ramiro Polla

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