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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		4 days ago
..
images	MT#55897 Fix images for the RTD	4 years ago
Makefile	MT#55897 Introduce Read the Docs	4 years ago
architecture.md	MT#55283 rename module	10 months ago
call_recording.md	MT#55897 Restructure general README.md	4 years ago
compiling_and_installing.md	MT#55283 auto detect libiptc	8 months ago
conf.py	MT#62763 Fix pycodestyle issues	6 months ago
glossary.md	TT#71950 Unify rtpengine wording	4 years ago
http_websocket_support.md	MT#55283 docs: add HTTP API request examples	1 month ago
index.rst	MT#61856 docs: re-design general tree	2 years ago
janus_interface_and_replacement.md	MT#55897 Restructure general README.md	4 years ago
make.bat	MT#55897 Introduce Read the Docs	4 years ago
ng_control_protocol.md	MT#55283 Add a fixed egress SSRC per media	4 days ago
overview.md	MT#55897 Introduce Read the Docs	4 years ago
requirements.txt	MT#55897 RTD: start using the `.readthedocs.yaml`	3 years ago
rtpengine-recording.md	MT#61977 add GCS storage option	1 year ago
rtpengine.md	MT#55283 add lightweight mode	6 days ago
tcpng_control_protocol.md	MT#55897 Restructure general README.md	4 years ago
tests.md	Fix formatting on a single line to match rest of file	2 years ago
transcoding.md	MT#55897 Restructure general README.md	4 years ago
troubleshooting.md	TT#71950 Unify rtpengine wording	4 years ago
usage.md	MT#55283 update docs	2 months ago