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| 1 /* | 1 /* |
| 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 #include "webrtc/common_audio/audio_ring_buffer.h" | 11 #include "webrtc/modules/audio_processing/utility/audio_ring_buffer.h" |
| 12 | 12 |
| 13 #include "webrtc/base/checks.h" | 13 #include "webrtc/base/checks.h" |
| 14 #include "webrtc/common_audio/ring_buffer.h" | 14 #include "webrtc/modules/audio_processing/utility/ring_buffer.h" |
| 15 | 15 |
| 16 // This is a simple multi-channel wrapper over the ring_buffer.h C interface. | 16 // This is a simple multi-channel wrapper over the ring_buffer.h C interface. |
| 17 | 17 |
| 18 namespace webrtc { | 18 namespace webrtc { |
| 19 | 19 |
| 20 AudioRingBuffer::AudioRingBuffer(size_t channels, size_t max_frames) { | 20 AudioRingBuffer::AudioRingBuffer(size_t channels, size_t max_frames) { |
| 21 buffers_.reserve(channels); | 21 buffers_.reserve(channels); |
| 22 for (size_t i = 0; i < channels; ++i) | 22 for (size_t i = 0; i < channels; ++i) |
| 23 buffers_.push_back(WebRtc_CreateBuffer(max_frames, sizeof(float))); | 23 buffers_.push_back(WebRtc_CreateBuffer(max_frames, sizeof(float))); |
| 24 } | 24 } |
| 25 | 25 |
| 26 AudioRingBuffer::~AudioRingBuffer() { | 26 AudioRingBuffer::~AudioRingBuffer() { |
| 27 for (auto buf : buffers_) | 27 for (auto buf : buffers_) |
| 28 WebRtc_FreeBuffer(buf); | 28 WebRtc_FreeBuffer(buf); |
| 29 } | 29 } |
| 30 | 30 |
| 31 void AudioRingBuffer::Write(const float* const* data, size_t channels, | 31 void AudioRingBuffer::Write(const float* const* data, |
| 32 size_t channels, |
| 32 size_t frames) { | 33 size_t frames) { |
| 33 RTC_DCHECK_EQ(buffers_.size(), channels); | 34 RTC_DCHECK_EQ(buffers_.size(), channels); |
| 34 for (size_t i = 0; i < channels; ++i) { | 35 for (size_t i = 0; i < channels; ++i) { |
| 35 const size_t written = WebRtc_WriteBuffer(buffers_[i], data[i], frames); | 36 const size_t written = WebRtc_WriteBuffer(buffers_[i], data[i], frames); |
| 36 RTC_CHECK_EQ(written, frames); | 37 RTC_CHECK_EQ(written, frames); |
| 37 } | 38 } |
| 38 } | 39 } |
| 39 | 40 |
| 40 void AudioRingBuffer::Read(float* const* data, size_t channels, size_t frames) { | 41 void AudioRingBuffer::Read(float* const* data, size_t channels, size_t frames) { |
| 41 RTC_DCHECK_EQ(buffers_.size(), channels); | 42 RTC_DCHECK_EQ(buffers_.size(), channels); |
| (...skipping 24 matching lines...) Expand all Loading... |
| 66 | 67 |
| 67 void AudioRingBuffer::MoveReadPositionBackward(size_t frames) { | 68 void AudioRingBuffer::MoveReadPositionBackward(size_t frames) { |
| 68 for (auto buf : buffers_) { | 69 for (auto buf : buffers_) { |
| 69 const size_t moved = static_cast<size_t>( | 70 const size_t moved = static_cast<size_t>( |
| 70 -WebRtc_MoveReadPtr(buf, -static_cast<int>(frames))); | 71 -WebRtc_MoveReadPtr(buf, -static_cast<int>(frames))); |
| 71 RTC_CHECK_EQ(moved, frames); | 72 RTC_CHECK_EQ(moved, frames); |
| 72 } | 73 } |
| 73 } | 74 } |
| 74 | 75 |
| 75 } // namespace webrtc | 76 } // namespace webrtc |
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