[Ffmpeg-devel] Re: [PATCH] PKT_FLAG_B

[Baptiste Coudurier]

Michael Niedermayer wrote:
> Hi
> 
> On Wed, Jul 19, 2006 at 11:52:38AM +0200, Baptiste Coudurier wrote:
>> Hi
>>
>> Here is a patch that define PKT_FLAG_B to mention that a packet contains
>> a B frame.
>>
>> That's not much yet, but it will work with stream copy and it's very
>> useful. Is that acceptable ? If you think about another name, Im fine also.
> 
> for what is it usefull?
> 
> [...]

Mainly because the pts and dts difference is sometimes not exact. I got
samples here, in which P frames have pts/dts difference of 1 like a
delay or something.

Actually there are at least 2 muxers that would need that (mov, and
gxf), dunno any other muxer need that..

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