ce202a0f98
This is a reland of a66395e72f9fc86873bf443579ec73c3d78af240 Original change's description: > Reland "Add core multi-channel pipeline in AEC3 This CL adds basic the basic pipeline to support multi-channel processing in AEC3." > > This is a reland of f3a197e55323aee974a932c52dd19fa88e5d4e38 > > Original change's description: > > Add core multi-channel pipeline in AEC3 > > This CL adds basic the basic pipeline to support multi-channel > > processing in AEC3. > > > > Apart from that, it removes the 8 kHz processing support in several > > places of the AEC3 code. > > > > Bug: webrtc:10913 > > Change-Id: If5b75fa325ed0071deea94a7546cb4a7adf22137 > > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/150332 > > Commit-Queue: Per Åhgren <peah@webrtc.org> > > Reviewed-by: Sam Zackrisson <saza@webrtc.org> > > Cr-Commit-Position: refs/heads/master@{#29017} > > Bug: webrtc:10913 > Change-Id: Ifc4b13bd994cfd22dca8f8755fa5700617cc379d > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/151124 > Reviewed-by: Sam Zackrisson <saza@webrtc.org> > Commit-Queue: Per Åhgren <peah@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#29034} Bug: webrtc:10913 Change-Id: Id8da5666df8c86f290c73ad5dc9958199f1a7ebe Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/151127 Commit-Queue: Sam Zackrisson <saza@webrtc.org> Reviewed-by: Sam Zackrisson <saza@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29042}
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_AUDIO_PROCESSING_AEC3_MATRIX_BUFFER_H_
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#define MODULES_AUDIO_PROCESSING_AEC3_MATRIX_BUFFER_H_
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#include <stddef.h>
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#include <vector>
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#include "rtc_base/checks.h"
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namespace webrtc {
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// Struct for bundling a circular buffer of two dimensional vector objects
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// together with the read and write indices.
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// TODO(peah): Change name of this class to be more specific to what it does.
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struct MatrixBuffer {
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MatrixBuffer(size_t size,
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size_t num_bands,
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size_t num_channels,
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size_t frame_length);
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~MatrixBuffer();
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int IncIndex(int index) const {
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RTC_DCHECK_EQ(buffer.size(), static_cast<size_t>(size));
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return index < size - 1 ? index + 1 : 0;
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}
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int DecIndex(int index) const {
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RTC_DCHECK_EQ(buffer.size(), static_cast<size_t>(size));
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return index > 0 ? index - 1 : size - 1;
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}
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int OffsetIndex(int index, int offset) const {
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RTC_DCHECK_EQ(buffer.size(), static_cast<size_t>(size));
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RTC_DCHECK_GE(size, offset);
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return (size + index + offset) % size;
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}
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void UpdateWriteIndex(int offset) { write = OffsetIndex(write, offset); }
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void IncWriteIndex() { write = IncIndex(write); }
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void DecWriteIndex() { write = DecIndex(write); }
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void UpdateReadIndex(int offset) { read = OffsetIndex(read, offset); }
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void IncReadIndex() { read = IncIndex(read); }
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void DecReadIndex() { read = DecIndex(read); }
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const int size;
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std::vector<std::vector<std::vector<std::vector<float>>>> buffer;
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int write = 0;
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int read = 0;
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_AEC3_MATRIX_BUFFER_H_
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