[Asterisk-video] app_mp4

Sergio García Murillo Sergio.Garcia at ydilo.com
Wed May 24 23:38:12 MST 2006


Olle E Johansson wrote:
> 24 maj 2006 kl. 17.59 skrev Sergio García Murillo:
> 
>> Hi all
>> 
>> I have been doing some work for recording & playback of audio and
>> video in a mp4 file format. It's neither complete nor perfect but...
>> I have been testing it with eyebeam software and pcmu & h263-1996 and
>> I still have problems synchronizing audio and video and detecting
>> delays and mutes so if any one could help me explaining the frames
>> structure it would be very helpful.
>> 
> Cool!
> 
> Before I take a look at this, can you please add it to the bug
> tracker, make sure you have a disclaimer and I'll try to merge it
> into Asterisk after testing.  

Hi Olle!

Could you explain me a bit more what do you need in order to include it? 
By the way, my main idea about this was to use it to help me develop the H324M gateway, so I could get a good channel with h263 and gsm amr encodings. But I have found that if I want to send the gsm amr I'll have to include some extra code so Asterisk can negotiate it.
Wouldn't it be a good idea to avoid all that hardcoded codecs or at least add some kind of AST_AUDIO_PASSTRHOUGH/AST_AUDIO_DYNAMYC and add some info so it can dynamically negotiate the codec for the sdp (I know it's mostly for SIP, but that's what I have more knowledge about :)


Greetings
	Sergio 
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