[FFmpeg-devel] libavcodec: inter thread signaling

[Reimar Döffinger]

On 27 Feb 2012, at 17:45, Andrey Utkin <andrey.krieger.utkin at gmail.com> wrote:
> 2012/2/27 Anoop Bhagyanath <bhagyanath.anoop at gmail.com>:
>> 
>> *when a decoding thread needs some data from another frame(basically
>> another decoding thread), it awaits the
>>  progress of that thread. but on what basis this other decoding thread know
>> that someone is waiting for the data
>>  from him/her.
> 
> I think it does not know, and does not need to know.

To make this more clear: each decoding thread stores its progress in the frame it decodes.
It is completely irrelevant to it if anyone needs that information right at that moment or not.