Make AEC3 recover more quickly for lost capture data

Make AEC3 recover more quickly for lost capture data

This CL ensures that AEC3 recovers more quickly when capture data is
lost in such a manner that the echo path, as seen by AEC3, becomes
noncausal due to the AEC3 buffer misalignment caused by the data loss.

The CL adds the assumption of a minimum echo path delay of 5 blocks
and makes the hysteresis in the delay selection one-sided.


BUG=chromium:757796, webrtc:8131
Review-Url: https://codereview.webrtc.org/2998223002
Cr-Commit-Position: refs/heads/master@{#19454}
Committed: https://chromium.googlesource.com/external/webrtc/+/96b951c593a2665cc8688d60343dc225f62f4e99

[peah-webrtc, 2017-08-22 13:17:30]

peah@webrtc.org changed reviewers:
+ ivoc@webrtc.org

[ivoc, 2017-08-22 13:26:07]

lgtm!

[peah-webrtc, 2017-08-22 13:28:53]

The CQ bit was checked by peah@webrtc.org

[commit-bot: I haz the power, 2017-08-22 13:29:06]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[peah-webrtc, 2017-08-22 15:30:56]

The CQ bit was unchecked by peah@webrtc.org

[peah-webrtc, 2017-08-22 15:30:58]

The CQ bit was checked by peah@webrtc.org

[commit-bot: I haz the power, 2017-08-22 15:31:11]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-08-22 17:26:07]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1503415858312940, "parent_rev":
"3e86e7eec727b9c2348a92ca3282d9066b4f9e9a", "commit_rev":
"96b951c593a2665cc8688d60343dc225f62f4e99"}

[commit-bot: I haz the power, 2017-08-22 17:26:12]

Description was changed from

==========
Make AEC3 recover more quickly for lost capture data

This CL ensures that AEC3 recovers more quickly when capture data is
lost in such a manner that the echo path, as seen by AEC3, becomes
noncausal due to the AEC3 buffer misalignment caused by the data loss.

The CL adds the assumption of a minimum echo path delay of 5 blocks
and makes the hysteresis in the delay selection one-sided.


BUG=chromium:757796, webrtc:8131
==========

to

==========
Make AEC3 recover more quickly for lost capture data

This CL ensures that AEC3 recovers more quickly when capture data is
lost in such a manner that the echo path, as seen by AEC3, becomes
noncausal due to the AEC3 buffer misalignment caused by the data loss.

The CL adds the assumption of a minimum echo path delay of 5 blocks
and makes the hysteresis in the delay selection one-sided.


BUG=chromium:757796, webrtc:8131

Review-Url: https://codereview.webrtc.org/2998223002
Cr-Commit-Position: refs/heads/master@{#19454}
Committed:
https://chromium.googlesource.com/external/webrtc/+/96b951c593a2665cc8688d603...
==========

[commit-bot: I haz the power, 2017-08-22 17:26:14]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/96b951c593a2665cc8688d603...