commit 422b9e098283bb9eece8689d580d11e78c9ebd66
author Gustaf Ullberg <gustaf@webrtc.org> Wed Oct 09 13:02:14 2019 +0200
committer Commit Bot <commit-bot@chromium.org> Wed Oct 09 12:09:06 2019 +0000
tree a4b950eca842ec809ec3f4ed7a89d9dd3bc00806
parent 1d3008bfc6fccc2ebde8a4b8b615254f9a445aed

Run fullband processing at output rate on ARM

The audio processing in the band-split domain on ARM platforms
operate at a sampling frequency of 32 kHz. This CL upsamples
the signal to fullband before the "fullband processing"
if an output rate of 48 kHz is chosen.

Change-Id: I268acd33aff1fcfa4f75ba8c0fb3e16abb9f74e8
Bug: b/130016532
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/155640
Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29415}

modules/audio_processing/audio_buffer.h

diff --git a/modules/audio_processing/audio_buffer.h b/modules/audio_processing/audio_buffer.h
index 7bab26d..d27ccca 100644
--- a/modules/audio_processing/audio_buffer.h
+++ b/modules/audio_processing/audio_buffer.h
@@ -115,6 +115,7 @@
   // Copies data from the buffer.
   void CopyTo(AudioFrame* frame) const;
   void CopyTo(const StreamConfig& stream_config, float* const* data);
+  void CopyTo(AudioBuffer* buffer) const;
 
   // Splits the buffer data into frequency bands.
   void SplitIntoFrequencyBands();
@@ -165,7 +166,6 @@
   std::unique_ptr<ChannelBuffer<float>> data_;
   std::unique_ptr<ChannelBuffer<float>> split_data_;
   std::unique_ptr<SplittingFilter> splitting_filter_;
-  std::unique_ptr<ChannelBuffer<float>> output_buffer_;
   std::vector<std::unique_ptr<PushSincResampler>> input_resamplers_;
   std::vector<std::unique_ptr<PushSincResampler>> output_resamplers_;
   bool downmix_by_averaging_ = true;