[FFmpeg-devel] Format for fast extraction (was: [PATCH] Dynamic plugins loading)

Nicolas George nicolas.george
Tue Nov 2 01:00:00 CET 2010

Le primidi 11 brumaire, an CCXIX, Michael Niedermayer a ?crit?:
> And you think you are the only person with this problem?
> and thus there is no need to have this feature in svn?
> and it would be better with a plugin architecture?

I did not think that my ad-hoc hack was worthy of being proposed for
inclusion in ffmpeg. If someone here thinks otherwise, I'd be happy to
publish what I have done.

> also the split program and using stdout with mpeg-ps or ts might already do
> what you want approximately

As Unix does not provide any API to split a big file or truncate it from the
beginning, I definitely need small fragments that can be moved
independently. And therefore either a new format or a new protocol so that
the video encoders and players see these fragments as a single vide.

The format of the packets in the fragments could indeed have been MPEG-PS or
MPEG-TS, and I hesitated, but in the end I decided they were too complex for
my needs, and used a custom simple header system.


  Nicolas George
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