[FFmpeg-devel] [PATCH] Re: movenc.c: Allow MPEG2.mov playable under QuickTime Player

[Baptiste Coudurier]

Hi,

On 02/10/2011 02:24 PM, Takashi Mochizuki wrote:
> Benjamin-san,
>
> Thank you for your testing.
>
> AFAIK, QuickTime engine treats every frame as SYNC, if there is no stts atom. (Makes broken seek defect)
> Thus, current movenc's implementation does not make sense for partial sync atom.
> First sample should be marked as sync, not partial sync. It is mandatory for every mov file.
>

You can do this in a simpler way, check if trk->entry is 0 in 
mov_write_packet, and force SYNC_SAMPLE.
Also you _will_ have the first 2 b frames _broken_ during playback this 
is not wanted, you must adjust the edit list accordingly.

-- 
Baptiste COUDURIER
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