[Live-devel] H264 multicast streaming question

[Jeremy Noring]

On Wed, Sep 30, 2009 at 2:26 AM, Stas Desyatnlkov <stas at tech-mer.com> wrote:

>  Sender only.
>
> I see some video providers that mix AVC into TS.
>
> NAL, SPS and PPS are all part of the elementary stream packet. How they
> ensure that client receives SPS and PPS in time is not clear. Probably the
> receiving side waits for the next SPS, PPS and start showing video after
> that.
>

OK, so the sender is not a "black box," like you describe, but something to
which you could easily add the SPS/PPS info to the SDP exchange?

You *can* send it in stream, but the risks you accept are A) the client may
not be listening when they're sent, and/or B) those packets are
lost/corrupted en-route (assuming you're using UDP as a transport).  It's
just that simple.
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