[FFmpeg-devel] [PATCH] limit chunk size to 1GB

Michael Niedermayer michaelni at gmx.at
Mon Jan 23 20:52:33 CET 2012


On Mon, Jan 23, 2012 at 02:20:34PM +0200, Maksym Veremeyenko wrote:
> Hi,
> 
> i was experimenting with remuxing 5GB mov file by ffmpeg and found
> that resulting file was not playable by quicktime - it update
> picture during seeking on timeline only. after some bisecting of
> code i found that it happens since commit:
> 
> http://git.videolan.org/?p=ffmpeg.git;a=commit;h=fc09bf57a60d4c4a6d339b204b3282337067c06d
> 
> in my case resulting file has only ONE video track with constant
> frame size codec. as result after that commit mov file contains only
> one chunk.
> 
> after some attempts to find proper value i found that first working
> value was 1GB.

applied, thanks


> 
> decreasing value makes quicktime opening video faster...

hmm, i guess 1mb is a more reasonable default then
ill change it to that unless someone screams ...

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No snowflake in an avalanche ever feels responsible. -- Voltaire
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