[Asterisk-video] mp4save file format

[Rene van Weert]

Hey Borja,

I have patched with AMR. After applying your patch (below) and using 3gp as
extension the audio recording is now saved as AMR.
Thanks a lot.

Have a nice weekend!

Rene

On Fri, Jul 25, 2008 at 2:58 PM, Borja SIXTO <borja.sixto at i6net.com> wrote:

> Hi,
>
> First have you patch your new Asterisk with the AMR support ?
>
> I have propose to force the AMR recording with the 3GP file extension.
> I have made a patch for that proposed in this forum.
>
> 3GP -> Force AMR recording.
> MP4 -> Authorize linear encoding codecs
>
> Extract of the app_mp4.c code source :
>
>    /* Lock module */
>    u = ast_module_user_add(chan);
>
>       int length = strlen(data);
>       if (!strcmp(&data[length - 4], ".3gp"))
>       {
>     if (ast_set_read_format(chan, AST_FORMAT_AMRNB))
>        ast_log(LOG_WARNING, "mp4_save: Unable to set read format to
> AMRNB!\n");
>       }
>       else
>       {
>     if (ast_set_read_format(chan,
> AST_FORMAT_ULAW|AST_FORMAT_ALAW|AST_FORMAT_AMRNB))
>        ast_log(LOG_WARNING, "mp4_save: Unable to set read format to
> ULAW|ALAW|AMRNB!\n");
>       }
>
>    /* Send video update */
>    ast_indicate(chan, AST_CONTROL_VIDUPDATE);
>
> Regards,
>
>
> Borja
>
> Rene van Weert a écrit :
> > Hey everyone,
> >
> > I just installed a new machine with the fontventa applications on
> > Asterisk 1.4.18.1 <http://1.4.18.1> (rev 222).
> > On my other machine I have rev 210 running on Asterisk 1.4.17 and
> > mp4save would record in h263/amr file format.
> > With the new machine however it records the sound into ulaw instead of
> > amr. Is there a way to change this?
> >
> > Now ->
> > Track   Type    Info
> > 1       video   H.263, 19.915 secs, 39 kbps, 176x144 @ 9.389907 fps
> > 2       hint    Payload H263-1998 for track 1
> > 3       audio   G.711 uLaw, 19.940 secs, 64 kbps, 8000 Hz
> > 4       hint    Payload PCMU for track 3
> > Before->
> > Track   Type    Info
> > 1       video   H.263, 10.210 secs, 43 kbps, 176x144 @ 9.794319 fps
> > 2       hint    Payload H263-2000 for track 1
> > 3       audio   AMR, 10.320 secs, 13 kbps, 8000 Hz
> > 4       hint    Payload AMR for track 3
> >
> > Thanks in advance!
> >
> > With kind regards,
> >
> > Rene van Weert
> > ------------------------------------------------------------------------
> >
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