tree c070a5ba95765f3ed6f570b6523a5b23ba5408fc
parent e22498cc3e0618f83bbe0e169507ad51b1769b2b
author Anton Sukhanov <sukhanov@webrtc.org> 1549322166 -0800
committer Commit Bot <commit-bot@chromium.org> 1549326312 +0000

Make AudioSendStream to be OverheadObserver

In order to have correct overhead adjustments for ANA in AudioSendStream we need to know both transport and audio packetization overheads in AudioSendStream. This change makes AudioSendStream to be OverheadObserver instead of ChannelSend. This change is required for https://webrtc-review.googlesource.com/c/src/+/115082.

This change was also suggested earlier in TODO:
// TODO(solenberg): Make AudioSendStream an OverheadObserver instead.
https://cs.chromium.org/chromium/src/third_party/webrtc/audio/channel_send.cc?rcl=71b5a7df7794bbc4103296fcd8bd740acebdc901&l=1181

I think we should also consider moving TargetTransferRate observer to AudioSendStream. Since AudioSendStream owns encoder and configures ANA, it makes sense to consolidate all rate (and overhead) calculation there. Added TODO to clean it up in next chanelists.

Bug: webrtc:10150
Change-Id: I48791b998ea00ffde9ec75c6bca8b6dc83001b42
Reviewed-on: https://webrtc-review.googlesource.com/c/119121
Commit-Queue: Anton Sukhanov <sukhanov@webrtc.org>
Reviewed-by: Fredrik Solenberg <solenberg@webrtc.org>
Reviewed-by: Minyue Li <minyue@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26540}