[vlc] Re: Which SDP format does vlc understand for mp3? h263? amr?

[Kim Schulz]

>Hi Kim
[snip]

>>h263

>m=video NNNNN RTP/AVP 96
>c=IN IP4 192.168.0.1
>b=AS:1300
>a=rtpmap:96 H63-2000/90000
>a=cliprect:0,0,576,704

Should be H263-2000 but that was easy to guess :-)

>> amr
> Google
(Just so that others can find it in the maillist archive later)
m=audio NNNNN RTP/AVP 97
c=IN IP4 192.168.0.1
a=rtpmap:97 AMR/8000/1

This is AMR-NB 8000khz 1 channel

>> mpeg4 visual simple profile (level1).

>Assuming you mean mpeg4 part 2 visual simple profile level 1

I do.

>m=video 21000 RTP/AVP 96
>c=IN IP4 130.226.1.22
>b=AS:300
>a=rtpmap:96 MP4V-ES/90000
>a=fmtp:96 profile-level-id=3; config=000001b003000001b50900000100000001200086c400670c281078518f;
>a=mpeg4-esid:20

Do I need the config? I am pretty sure that this is present as the first
 part of each packet. 

>The above is an example of 320x240 at 300kbps which is level 3. 
>Simple profile level 1 specify 64 kbps. Are you doing blurred video on phones ?

Kinda. I need to be able to playback videos recorded with a mobile phone ( among those
Mpeg4 visual simple profile1/AMR). The data is streamed via RTSP (see my other posts)
to a computer with VLC, bit it is currently giving me some headaches since it does not 
really show any of the video yet and AMR is not supported. 
I am wondering why VLC does not support AMR the same way ad ffmpeg does. It uses
the 3gpp reference code which it wraps during compile time. Since VLC already uses 
FFMPEG as backend, this should be quite easy to implement. I would love to help 
implement this, but currently my time is quite limited. I will however offer to
do a lot of testing if anyone decides to implement this :-) 

-- 
Kim Schulz

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