[FFmpeg-devel] [PATCH 1/6] Frame-based multithreading framework using pthreads
Sat Jan 22 07:10:12 CET 2011
On Fri, Jan 21, 2011 at 10:05 PM, Rob <robert.swain at gmail.com> wrote:
> 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?
More information about the ffmpeg-devel