[Asterisk-video] app_mp4 fixed video playback

[Sergio Garcia]

I think that the asterisk frame payload should be AMR TRP (rfc3267 octecte-aligned mode)
 that is the mode used in streaming.  Francesco did a great work on that, but I don't know what is he on latelly.. 

By the way, I think that an asterisk patch for AMR passthrough support is also needed, Olle do u think it could be committed into the main code if we make it?

Best regards
Sergio

---------- Original Message ----------------------------------
From: Klaus Darilion <klaus.mailinglists at pernau.at>
Reply-To: Development discussion of video media support in Asterisk<asterisk-video at lists.digium.com>
Date:  Fri, 31 Aug 2007 09:18:33 +0200

>btw: how is the format for AMR inside ast_frame?
>
>like in RTP:
>   1 byte CMR + x bytes ToC (frame type) + AMR payloads
>
>or like in AMR file:
>   1 byte header (frame type) + AMR frame
>
>or something completely different?
>
>IMO this should be defined and written down somewhere.
>
>regards
>klaus
>
>Sergio Garcia schrieb:
>> Could anyone check which is the current suppor for amr in openwengo?
>> It would be great to have some reference client for testing independently the app_h324m and app_mp4. 
>> I'll take a look also to it, but i have to study in depth the amr specsm, because i don't remmember anything.. :)
>> 
>> BR
>> Sergio
>> 
>> 
>> ---------- Original Message ----------------------------------
>> From: Klaus Darilion <klaus.mailinglists at pernau.at>
>> Reply-To: Development discussion of video media support in Asterisk<asterisk-video at lists.digium.com>
>> Date:  Fri, 31 Aug 2007 08:45:37 +0200
>> 
>>>
>>> Klaus Darilion schrieb:
>>>> Klaus Darilion schrieb:
>>>>> Sergio Garcia schrieb:
>>>>>> There was an error calculating the delay between frames, been always 0.
>>>>>> Now the video should be smooth again.
>>>>> Playing back the recorded video (from nokia 6630):
>>>>> with VLC: no audio; video works
>>>> I inspected the 3gp file (and an extracted AMR file) and the AMR frames 
>>>> mode 7 are only 15 bytes instead of 16 bytes. More debugging tomorrow.
>>> uups - I meant 31 instead of 32 bytes.
>>>
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>> 
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