[Ffmpeg-devel] feeding ffmpeg with ESes?

Zoltan NAGY nagyz
Mon Jul 18 16:27:05 CEST 2005


Luca Abeni wrote:

>Hello,
>
>On Mon, 2005-07-18 at 15:21 +0200, Zoltan NAGY wrote:
>  
>
>>Hello!
>>
>>if I manage to rip off the RTP headers from an RTP transmission, then 
>>the elementary stream
>>remains, am I correct?
>>    
>>
>Which kind of video are you streaming? If it is MPEG4, the ES that you
>dump will not contain the "global headers" (they are contained in the
>config line in the SDP).
>
>  
>
it is mpeg4.

>>If so, how could I feed this data into ffmpeg so I can get the video 
>>displayed?
>>    
>>
>If the video is MPEG4, you cannot simply dump the packet payload into a
>file and play the file, but you also have to fill the AVCodec extradata
>witht the global headers extracted from the SDP.
>  
>
hm.
If I look into my sdp I see:
a=fmtp:96 profile-level-id=3; config=00000120004480ba9850a041e1463f;

how can I "parse" this config line? :)

Thanks in advance,

Zoltan NAGY,
Software Engineer





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