[Live-devel] Streaming non-standard JPEGs

[Ross Finlayson]

>  >I don't recommend using RTP header extensions (our library doesn't
>>really support these).
>>
>>Instead, it would be better to include this information in the JPEG
>>header itself.  (This way, it will get included in the JPEG image if
>>the receiver saves it to disk.)  I believe that the JPEG standard
>>allows for this sort of information to be included in the JPEG header
>>(but I don't know the details).
>> 
>>
>Yes, sure, JPEG has "Comment marker" (0xFE), but I don't know how to
>transfer these data using RFC 2435.
>Idea what I have now is insert "comment header" after "qtables" data.

Yes, I think that will work (provided that you set the 'length' field 
in the special 'qtables' header appropriately.  (RTP doesn't care 
what that data actually contains; it just gets passed from sender to 
receiver.)
-- 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/