[asterisk-video] How do you send large frames?
Sergio García Murillo
Sergio.Garcia at ydilo.com
Thu May 18 03:06:08 MST 2006
> Hi, sorry - I think I confused the discussion on #asterisk-dev.
>
> We actually strip the rtp header - it's the h263 RFC2190 header that
> is stored, together with the length (with rtp mark bit) and
> timestamp.
>
> It's not a standard format that I know of, which is why we need the
> GStreamer modules to convert other formats into this 'asterisk
> format'.
>
> Neil
>
> Olle E Johansson wrote:
>> I am learning new things about the video implementation all the time.
>>
>> Seems like we are actually saving RTP headers in the format files,
>> which is bad. As far as I know,
>> IAX2 does not use RTP so I wonder if playing one of the saved files
>> to an IAX videophone would work?
>>
>> I am not aware of any IAX2 video phones, but not using a clean
>> format disturbs me.
Hi everyone, I've been following the thread, but I really still doesn't understand the problem.
Can any one clear up the questions? Where is the problem? Is it in sending video stored in a file?
Saving it to a file or just retransmitting it?
By the way, I think that it would be a good idea to use some standard container for storing the video.
I have been working woth mp4 for a while and I think it would be perfect for what we need. In fact I developed an aplication that converted a dump of rtp h263 rfc 2190 data into a perfectly valid mp4 file, that could be played with vlc or qt and streamed correctly (with same rfc 2190 payload) with a darwing streaming server.
Greetings
Sergio
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