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dnygate 7674d8529c MT#55283 Add a fixed egress SSRC per media ... A controlling agent feeding media into a WebRTC SFU needs to know the SSRC of the incoming stream before it can bind a receiver to it, and the SFU needs that SSRC to stay put for the life of the call. With `fixed egress SSRC` set, rtpengine picks an SSRC for each media at signalling time and returns the chosen values in the offer or answer response, one entry per m= section along with its index and media type. The value is recorded as the ingress entry's `ssrc_map_out`, which is already the mapping every consumer reads: the egress entry is keyed off it, RTCP rewriting uses it, and the kernel module is handed it as `ssrc_out`. Because one egress entry then stands in for every ingress SSRC, it outlives a change of source, so `seq_diff` carries across on its own. All that is left is re-basing it once at the changeover, taking the last sequence number from the counter shared with the kernel module so that it is still right while the stream is offloaded. The substitution itself goes in the plain passthrough handler rather than the SSRC passthrough one, so that it applies to builds without transcoding support as well. Those builds compile the kernel side regardless, so leaving the userspace half out would have meant the original SSRC being forwarded until the stream was offloaded and the fixed one afterwards. Change-Id: Iad5508c53d29d1e7d54c825da1ab56069cdd89b7		2 days ago
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.gitignore	…
.ycm_extra_conf.py	MT#55283 auto detect libiptc	8 months ago
Makefile	MT#55283 separate out arena from bencode	4 days ago
audio_player.c	MT#65420 move media player into media	1 week ago
call.c	MT#55283 Add a fixed egress SSRC per media	2 days ago
call_flags.c	MT#55283 Add a fixed egress SSRC per media	2 days ago
call_interfaces.c	MT#55283 Add a fixed egress SSRC per media	2 days ago
cdr.c	MT#55283 iqueue for ml and media	3 days ago
cli.c	MT#55283 iqueue for all_local_interfaces	3 days ago
codec.c	MT#55283 Add a fixed egress SSRC per media	2 days ago
control_ng.c	MT#55283 separate out arena from bencode	4 days ago
control_ng_flags_parser.c	MT#65420 stricter str_to_X family	1 week ago
control_tcp.c	MT#55283 clean up logging system	4 months ago
control_udp.c	MT#55283 clean up logging system	4 months ago
cookie_cache.c	MT#55283 separate out arena from bencode	4 days ago
crypto.c	MT#55283 clean up logging system	4 months ago
dtls.c	MT#55283 retain TLS ID for answer role change	4 weeks ago
dtmf.c	MT#55283 iqueue for packet streams	3 days ago
graphite.c	MT#55283 iqueue for all_local_interfaces	3 days ago
helpers.c	MT#55283 clean up logging system	4 months ago
homer.c	MT#55283 clean up logging system	4 months ago
ice.c	MT#55283 iqueue for packet streams	3 days ago
iptables.c	MT#55283 clean up logging system	4 months ago
janus.c	MT#55283 separate out arena from bencode	4 days ago
jitter_buffer.c	MT#55283 add missing lock in JB	4 months ago
kernel.c	MT#55283 remove dst endpoint from sendmsg args	1 week ago
load.c	MT#55283 clean up logging system	4 months ago
log.c	MT#55283 clean up logging system	4 months ago
main.c	MT#55283 add lightweight mode	4 days ago
media_player.c	MT#55283 iqueue for packet streams	3 days ago
media_socket.c	MT#55283 Add a fixed egress SSRC per media	2 days ago
memory_arena.c	MT#55283 add lightweight mode	4 days ago
mqtt.c	MT#55283 iqueue for ml and media	3 days ago
nftables.c	MT#55283 support table creation through nft	2 months ago
ng_client.c	MT#55283 separate out arena from bencode	4 days ago
recording.c	MT#55283 iqueue for ml and media	3 days ago
redis.c	MT#55283 remove duplicate loop	3 days ago
rtcp.c	MT#55283 iqueue for packet streams	3 days ago
rtp.c	MT#55283 clean up logging system	4 months ago
sdp.c	MT#55283 iqueue for packet streams	3 days ago
ssrc.c	MT#55283 iqueue for packet streams	3 days ago
statistics.c	MT#55283 iqueue for all_local_interfaces	3 days ago
stun.c	MT#55283 give uring object knowledge of iov	1 week ago
t38.c	MT#55283 iqueue for packet streams	3 days ago
tcp_listener.c	MT#55283 remove unused socket abstractions	1 week ago
timerthread.c	MT#55283 clean up logging system	4 months ago
udp_listener.c	MT#55283 clean up logging system	4 months ago
websocket.c	MT#55283 clean up logging system	4 months ago