There isn't a mechanism to do that via RTP that I'm aware of. If the
receiver needs a key frame it requests one by sending a "picture
fast update" message via SIP INFO. PJSIP implements this mechanism.
- Bill
On 4/14/2016 8:34 AM, poste9 wrote:
I have implemented the libx264 codec for video call
using pjsip and Im wondering if there is any way to make sure a
specific packet has arrived.
Im not talking about frames but I would like to send
SEI/SPS/PPS only one time and make sure they arrived on the
other side.
At this moment I managed to send the packets but in a
real world application I cant know if they will reach the other
end.
I could use something to make that signaling by
myself but I would lose conpatibility.
My real question is if I can set some flag on the rtp
packet or maybe using pjmedia itself to mark the header packets
and get a response from the other end when its all good. And of
course using something RFC like.
I hope I managed to explain myself and thank you all
in advance.
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