[MPlayer-cygwin] help with 3gpp2 files (no audio support?)

[dnwo at xtra.co.nz]

Here is a zip with some sample files in it.

http://bittercoder.com/samples/samples.zip

The *.3g2 are the ones I can't get the audio out of...

Any help would much appreciated!

Chez,

 - Alex

-----Original Message-----
From: mplayer-cygwin-bounces at mplayerhq.hu
[mailto:mplayer-cygwin-bounces at mplayerhq.hu] On Behalf Of Sascha Sommer
Sent: Wednesday, September 28, 2005 1:55 AM
To: Windows porting (Cygwin/MinGW)
Subject: Re: [MPlayer-cygwin] help with 3gpp2 files (no audio support?)

Hi,

On Monday 26 September 2005 14:41, dnwo at xtra.co.nz wrote:
> Hi,
>
> I've looked through the documentation and googled a bit but I can't seem
to
> find a remedy to my problem - I have a number of *.3g2 (3gpp2) files that
> I've got from various cellular phones, but when I try to use mencoder to
> convert them to an avi programmatically using this set of command line
> switches:
>
> Mencoder.exe test.3g2 -of avi -o test.avi -oac lavc -lavcopts
> acodec=mp3:abitrate=64 -ovc lavc -lavcopts
> vcodec=mpeg4:mbd=2:vme=5:v4mv:vbitrate=850 -ofps 12.5 -info
> artist=syzmk.com -ffourcc divx
>
> It works ok, except that the audio doesn't decode, and I see the error
> "Cannot find codec for audio format 0x6134706D" in the console output - if
> anyone can suggest a way to get round this (could I perhaps alter the
> command line so that this will work?) - playing the original files with
> quicktime gives me audio playback so I don't believe the videos are
> corrupt. If I try to play the video with mplayer then it plays fine but
> again it has no sound...
>
> Any help or directions would be great as I'm a bit lost in the world of
> video encoding/decoding - I can supply sample files for testing too if
> anyone thinks that might help - they're very small (~ 90K).
>

I would be interested in such a sample. Can you upload it somewhere?

Sascha

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