[FFmpeg-devel] [PATCH 1/6] Frame-based multithreading framework using pthreads

Rob robert.swain
Sat Jan 22 07:05:37 CET 2011

On 21 January 2011 23:38, Alexander Strange <astrange at ithinksw.com> wrote:
> 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?

Medical cameras?


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