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Bypass unnecessary resampling.

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This change keeps the original 48 kHz signal and uses it for the
fullband processing given that the following requirements are
fulfilled:
- Input signal is 48 kHz
- Output signal is 48 kHz
- Multiband processing is performed at 32 kHz
- The multiband processing does not modify the original signal
This avoids unnecessary, lossy resampling and band merging.

Bug: b/130016532
Change-Id: I690c26faba07eab0cbff6c0a95a81d89255dd1a1
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/155966
Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29425}
This commit is contained in:
Gustaf Ullberg
2019-10-09 13:34:36 +02:00
committed by Commit Bot
parent ba700de81f
commit 8675eeec26
7 changed files with 37 additions and 8 deletions
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3
modules/audio_processing/audio_processing_impl.h
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@ -185,7 +185,8 @@ class AudioProcessingImpl : public AudioProcessing {
bool level_estimator_enabled,
bool transient_suppressor_enabled);
bool CaptureMultiBandSubModulesActive() const;
bool CaptureMultiBandProcessingActive() const;
bool CaptureMultiBandProcessingPresent() const;
bool CaptureMultiBandProcessingActive(bool ec_processing_active) const;
bool CaptureFullBandProcessingActive() const;
bool CaptureAnalyzerActive() const;
bool RenderMultiBandSubModulesActive() const;