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Reduce complexity in the APM pipeline when the output is not used

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This CL selectively turns off parts of the audio processing when
the output of APM is not used. The parts turned off are such that
don't need to continuously need to be trained, but rather can be
temporarily deactivated.

The purpose of this CL is to allow CPU to be reduced when the
client is muted.

The CL will be follow by additional CLs, adding similar functionality
in the echo canceller and the noiser suppressor

Bug: b/177830919
Change-Id: I72d24505197a53872562c0955f3e7b670c43df6b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/209703
Commit-Queue: Per Åhgren <peah@webrtc.org>
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33431}
This commit is contained in:
Per Åhgren
2021-03-11 08:57:07 +00:00
committed by Commit Bot
parent 54dbc3be3f
commit aa6adffba3
2 changed files with 109 additions and 94 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
modules/audio_processing/audio_processing_impl.h
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@ -419,13 +419,17 @@ class AudioProcessingImpl : public AudioProcessing {
const struct ApmConstants {
ApmConstants(bool multi_channel_render_support,
bool multi_channel_capture_support,
bool enforce_split_band_hpf)
bool enforce_split_band_hpf,
bool minimize_processing_for_unused_output)
: multi_channel_render_support(multi_channel_render_support),
multi_channel_capture_support(multi_channel_capture_support),
enforce_split_band_hpf(enforce_split_band_hpf) {}
enforce_split_band_hpf(enforce_split_band_hpf),
minimize_processing_for_unused_output(
minimize_processing_for_unused_output) {}
bool multi_channel_render_support;
bool multi_channel_capture_support;
bool enforce_split_band_hpf;
bool minimize_processing_for_unused_output;
} constants_;
struct ApmCaptureState {