Allow extracting the linear AEC output

This CL enables extracting the linear AEC output,
allowing for more straightforward
testing/development.

Bug: b/140823178
Change-Id: I14f7934008d87066b35500466cb6e6d96f811688
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/153672
Commit-Queue: Per Åhgren <peah@webrtc.org>
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29789}
This commit is contained in:
Per Åhgren
2019-11-13 11:12:29 +01:00
committed by Commit Bot
parent 06a394e036
commit c20a19cc4b
26 changed files with 293 additions and 90 deletions

View File

@ -280,6 +280,7 @@ class RTC_EXPORT AudioProcessing : public rtc::RefCountInterface {
bool legacy_moderate_suppression_level = false;
// Recommended not to use. Will be removed in the future.
bool use_legacy_aec = false;
bool export_linear_aec_output = false;
} echo_canceller;
// Enables background noise suppression.
@ -611,6 +612,13 @@ class RTC_EXPORT AudioProcessing : public rtc::RefCountInterface {
virtual int AnalyzeReverseStream(const float* const* data,
const StreamConfig& reverse_config) = 0;
// Returns the most recently produced 10 ms of the linear AEC output at a rate
// of 16 kHz. If there is more than one capture channel, a mono representation
// of the input is returned. Returns true/false to indicate whether an output
// returned.
virtual bool GetLinearAecOutput(
rtc::ArrayView<std::array<float, 160>> linear_output) const = 0;
// This must be called prior to ProcessStream() if and only if adaptive analog
// gain control is enabled, to pass the current analog level from the audio
// HAL. Must be within the range provided in Config::GainController1.