[Live-devel] Combining live h.264 and AAC
Felix Radensky
felix at embedded-sol.com
Fri Nov 4 01:26:32 PDT 2011
Hi Ross,
On 11/03/2011 04:43 PM, Ross Finlayson wrote:
>> I'm trying to figure out whether it's possible to produce combined
>> h.264 and AAC
>> stream using live555.
>
> Yes, you can do this, using separate RTP streams ('subsessions')
> within a single media 'session'.
>
> I.e., in your RTSP server, after you've created a
> "ServerMediaSession" object, you will add *two* separate
> "ServerMediaSubsession" (subclass) objects: One for your video
> (H.264) stream; the other for your audio (AAC) stream.
>
> Just make sure that the presentation times for your video and audio
> frames are 'in sync', and aligned with 'wall clock' time (i.e.,
> times that are generated by "gettimeofday()").
>
>
Thanks a lot. Assuming my audio comes from encoder in ADTS, do I need
to implement
a framer class, similar to H264VideoStreamDiscreteFramer ?
Felix.
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