[Live-devel] Problem of new support for unicastRTSP/RTPstreaming from a single input source

Leon Woestenberg leonw at mailcan.com
Sat Oct 9 00:35:45 PDT 2004


Hello Ross,

Ross Finlayson wrote:

>> 2. MPEG-4 Element Stream sample
>>         http://www.tlcstream.com/mpeg4-es.mpg
>
>
> The problem with this file is that a "VisualObjectSequence" header - 
> i.e., beginning with 0x000001B0 - does not appear anywhere.  Such a 
> header *must* occur in the stream.  (When streaming from a file, it's 
> OK for there to be only one such header, at the start of the file.  
> When streaming from stdin, such a header must appear throughout the 
> stream (e.g., every 1 second or so).)

Could you explain why you need the VOS header?

We came across source code that parses the MPEG-4 VES stream for 
I-frames without the need for VOS headers.

Regards,

Leon.


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