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Avoid incorrect filter alignment due to call skew detection

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Bug: chromium:892040,webrtc:9816
Change-Id: I46e8b2de61eedf67e235fcea8f3b9e85f690e64f
Reviewed-on: https://webrtc-review.googlesource.com/c/103661
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24982}
This commit is contained in:
Gustaf Ullberg
2018-10-04 12:59:24 +02:00
committed by Commit Bot
parent 8ca5c5216d
commit d7b0c46bd9
1 changed files with 8 additions and 0 deletions
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8
modules/audio_processing/aec3/render_delay_controller.cc
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@ -40,6 +40,10 @@ int GetSkewHysteresis(const EchoCanceller3Config& config) {
return static_cast<int>(config.delay.skew_hysteresis_blocks);
}
bool UseOffsetBlocks() {
return field_trial::IsEnabled("WebRTC-Aec3UseOffsetBlocks");
}
constexpr int kSkewHistorySizeLog2 = 8;
class RenderDelayControllerImpl final : public RenderDelayController {
@ -63,6 +67,7 @@ class RenderDelayControllerImpl final : public RenderDelayController {
const int hysteresis_limit_1_blocks_;
const int hysteresis_limit_2_blocks_;
const int skew_hysteresis_blocks_;
const bool use_offset_blocks_;
absl::optional<DelayEstimate> delay_;
EchoPathDelayEstimator delay_estimator_;
std::vector<float> delay_buf_;
@ -131,6 +136,7 @@ RenderDelayControllerImpl::RenderDelayControllerImpl(
hysteresis_limit_2_blocks_(
static_cast<int>(config.delay.hysteresis_limit_2_blocks)),
skew_hysteresis_blocks_(GetSkewHysteresis(config)),
use_offset_blocks_(UseOffsetBlocks()),
delay_estimator_(data_dumper_.get(), config),
delay_buf_(kBlockSize * non_causal_offset, 0.f),
skew_estimator_(kSkewHistorySizeLog2) {
@ -237,6 +243,8 @@ absl::optional<DelayEstimate> RenderDelayControllerImpl::GetDelay(
soft_reset_counter_ = 0;
}
}
if (!use_offset_blocks_)
offset_blocks = 0;
// Log any changes in the skew.
skew_shift_reporting_counter_ =