mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-14 14:20:45 +01:00
8ba5861f7e
This CL centralizes the render buffering in AEC3 so that all render buffers are updated and synchronized/aligned with the render alignment buffer. Bug: webrtc:8597, chromium:790905 Change-Id: I8a94e5c1f27316b6100b420eec9652ea31c1a91d Reviewed-on: https://webrtc-review.googlesource.com/25680 Commit-Queue: Per Åhgren <peah@webrtc.org> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20989}
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#ifndef MODULES_AUDIO_PROCESSING_AEC3_MATRIX_BUFFER_H_
|
|
#define MODULES_AUDIO_PROCESSING_AEC3_MATRIX_BUFFER_H_
|
|
|
|
#include <vector>
|
|
|
|
#include "rtc_base/checks.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// Struct for bundling a circular buffer of two dimensional vector objects
|
|
// together with the read and write indices.
|
|
struct MatrixBuffer {
|
|
MatrixBuffer(size_t size, size_t height, size_t width);
|
|
~MatrixBuffer();
|
|
|
|
size_t IncIndex(size_t index) {
|
|
return index < buffer.size() - 1 ? index + 1 : 0;
|
|
}
|
|
|
|
size_t DecIndex(size_t index) {
|
|
return index > 0 ? index - 1 : buffer.size() - 1;
|
|
}
|
|
|
|
size_t OffsetIndex(size_t index, int offset) {
|
|
RTC_DCHECK_GE(buffer.size(), offset);
|
|
return (buffer.size() + index + offset) % buffer.size();
|
|
}
|
|
|
|
void UpdateWriteIndex(int offset) { write = OffsetIndex(write, offset); }
|
|
void IncWriteIndex() { write = IncIndex(write); }
|
|
void DecWriteIndex() { write = DecIndex(write); }
|
|
void UpdateReadIndex(int offset) { read = OffsetIndex(read, offset); }
|
|
void IncReadIndex() { read = IncIndex(read); }
|
|
void DecReadIndex() { read = DecIndex(read); }
|
|
|
|
size_t size;
|
|
std::vector<std::vector<std::vector<float>>> buffer;
|
|
size_t write = 0;
|
|
size_t read = 0;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // MODULES_AUDIO_PROCESSING_AEC3_MATRIX_BUFFER_H_
|