[Ffmpeg-devel] [PATCH] MS-GSM support: draft for review

[Michael Niedermayer]

Hi

On Tue, Nov 07, 2006 at 02:19:33PM +0100, Benjamin Larsson wrote:
> Hi.
> 
> Michael Niedermayer skrev:
> >Hi
> >
> [...]
> 
> 
> >  your implementation does not allow -acodec copy between msgsm<->gsm
> 
> There are other diffrences that won't allow this, just not the double 
> packing of frames. For this to work the stream would need to pass a 
> bitstream filter also. 

could you elaborate on the other things needed? i thought ms just
packed 2frames together?


> And I think the time needed to write one could be 
> better spent on something else that people actually use.
> 
> And with regard of bitstream filters, I've heard lots of talk about it 
> but no actual info on how to write one. Can you show some code/info 
> about it?

see libavcodec/bitstream_filter.c

there are also some example filters in there

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In the past you could go to a library and read, borrow or copy any book
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