[Asterisk-video] H263 (NOT H263+) mp4 hinting

[Klaus Darilion]

And what is supported by app_mp4?

regards
klaus

Sergio Garcia wrote:
> Ok, I'l try to explain it once again (h263 naming is a complete mess).
> 
> First, there is no such thing as h263/h263+/h253++ and h263-1996,h263-1998 and h263-2000 are just for rtp pacektization.
> 
> There is only one h263, but there has been three revisions of the standard, (1996,1998 and 200) and each revision has just added
> anexes to it. So what it's usually called h263p is just h263 using some anexes (advanced intra coding, etc) at will.
> 
> Another different thing is rtp packetization, h263-1996 is rfc 2190, and h263-1998 and h263-2000 are rfc 2429.
> 
> Usually, for videoconferencing h263 is used without anexes. So the same base h263 stream can be pacektized as h263-1996 or
> h263-1998. In fact converting from h263-1996 to h263-1998/2000 is almost trivial (not the other way round).
> 
> Hope it's a bit mor clear now.
> 
> 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, 20 Jul 2007 01:00:28 +0200
> 
>> Manos Megagiannis wrote:
>>> Mp4creator only generates h263-2000 hints.
>>> Any similar programs for h263?
>> To summarize this for beginners like me:
>> AFAIK h263+ is the same as h263-2000. Correct?
>> But what is h263? is it h263-1996 or h263-1998?
>>
>> AFAIK mp4play and needs hint tracks. Thus, h263 can not be used with 
>> mp4play due to the lack of generating a h263 hint track?
>>
>> What about a h263 video track with a h263-2000 hint track? Is this 
>> possible? will it work?
>>
>> thanks
>> klaus
>>
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