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Remove additional channel constraints when Beamforming is enabled in AudioProcessing

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The general constraints on number of channels for AudioProcessing is:
num_in_channels == num_out_channels || num_out_channels == 1

When Beamforming is enabled and additional constraint was added forcing:
num_out_channels == 1

This artificial constraint was removed by adding upmixing support in CopyTo, since it was already supported for the AudioFrame interface using InterleaveTo.

Review URL: https://codereview.webrtc.org/1571013002

Cr-Commit-Position: refs/heads/master@{#11215}
This commit is contained in:
aluebs
2016-01-11 20:32:29 -08:00
committed by Commit bot
parent e93ad1b129
commit b2328d11dc
7 changed files with 35 additions and 23 deletions
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1
webrtc/modules/audio_processing/include/audio_processing.h
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@ -288,6 +288,7 @@ class AudioProcessing {
virtual int proc_sample_rate_hz() const = 0;
virtual int proc_split_sample_rate_hz() const = 0;
virtual int num_input_channels() const = 0;
virtual int num_proc_channels() const = 0;
virtual int num_output_channels() const = 0;
virtual int num_reverse_channels() const = 0;