[FFmpeg-devel] [PATCH] pthread_frame: attempt to get frame to reduce latency

[Kieran Kunhya]

>
> Regardless of the actual proposed patch, I think the author's use of
> wallclock time to describe the problem is very reasonable.  I do a
> large amount of work where I'm measuring "glass-to-glass" latency,
> where I am interested in the total pipeline (encode/network/decode),
> and I definitely went through the experience of trying to figure out
> why ffmpeg was introducing nearly 500ms of extra latency during
> decoding.  It turned out that it was because my particular platform
> had 8-cores and thus 16 decoding threads and thus 15x33ms of delay,
> regardless of the stream complexity.
>

You shouldn't be using frame threads for this kind of application.

Kieran