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bridge_softmix / res_rtp_asterisk: Fix packet loss and renegotiation issues.

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This change does a few things to improve packet loss and renegotiation:

1. On outgoing RTP streams we will now properly reflect out of order
packets and packet loss in the sequence number. This allows the
remote jitterbuffer to better reorder things.

2. Video updates can now be discarded for a period of time
after one has been sent to prevent flooding of clients.

3. For declined and removed streams we will now release any
media session resources associated with them. This was not
previously done and caused an issue where old state was being
used for a new stream.

4. RTP bundling was not actually removing bundled RTP instances
from the parent. This has been resolved by removing based on
the RTP instance itself and not the SSRC.

5. The code did not properly handle explicitly unbundling an
RTP instance from its parent. This now works as expected.

ASTERISK-27143

Change-Id: Ibd91362f0e4990b6129638e712bc8adf0899fd45
This commit is contained in:
Joshua Colp
2017-07-17 16:01:24 +00:00
committed by George Joseph
parent 29a746c534
commit 451d86d62e
12 changed files with 108 additions and 9 deletions
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7
main/bridge.c
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@@ -3816,6 +3816,13 @@ void ast_bridge_set_sfu_video_mode(struct ast_bridge *bridge)
ast_bridge_unlock(bridge);
}
void ast_bridge_set_video_update_discard(struct ast_bridge *bridge, unsigned int video_update_discard)
{
ast_bridge_lock(bridge);
bridge->softmix.video_mode.video_update_discard = video_update_discard;
ast_bridge_unlock(bridge);
}
void ast_bridge_update_talker_src_video_mode(struct ast_bridge *bridge, struct ast_channel *chan, int talker_energy, int is_keyframe)
{
struct ast_bridge_video_talker_src_data *data;