[FFmpeg-devel] [PATCH] GSM-MS decoder and encoder

[Diego Biurrun]

On Mon, Apr 28, 2008 at 01:53:56PM +0200, Michel Bardiaux wrote:
> Diego Biurrun wrote:
> > On Fri, Apr 25, 2008 at 12:10:06PM +0200, Michel Bardiaux wrote:
> >> [...]
> > 
> > While you guys are at it, there are still a couple of samples that do
> > not work in ffplay:
> > 
> > http://samples.mplayerhq.hu/A-codecs/GSM/sample-gsm-8000.gsm
> 
> This one cant be recognized:
> 
> [mp3 @ 0x843b514]Could not find codec parameters (Audio: mp2, 8 kb/s)
> sample-gsm-8000.gsm: could not find codec parameters
> 
> What format is it?

I would guess it is raw GSM.  You're the GSM expert, find out :)

> > http://samples.mplayerhq.hu/A-codecs/GSM/sample-gsm-8000.mov
> 
> This one works for me:
> 
> ffmpeg -i sample-gsm-8000.mov -vn -acodec pcm_s16le sample-gsm-8000.mov.wav
> 
> produces a wav with correct sound.

Hmm, disregard this, works fine now...

Diego