[FFmpeg-devel] [PATCH 1/6] Frame-based multithreading framework using pthreads
Fri Jan 21 23:38:14 CET 2011
On Jan 21, 2011, at 9:58 AM, Ronald S. Bultje wrote:
> On Fri, Jan 21, 2011 at 5:51 AM, Alexander Strange
> <astrange at ithinksw.com> wrote:
>> It really simplified development to do it like this, because it made the frame delay reliable
>> and made sure all the threads allocated got started. When you're decoding stuff read off
>> disk, multiple calls to avcodec_decode_video are practically instantaneous, so it doesn't
>> help speed to return things faster. The only case I can think of where less decode delay
>> _really_ helps is where it receives new encoded frames rarely.
> Realtime streams?
Yeah, but realtime streams where each frame is more time-sensitive than just TV. Security cameras?
Anyway I think I forgot to make a conclusive point, so I added it to the feature list in the todo.
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