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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 } |
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| 66 | 66 |
| 67 void AudioRingBuffer::MoveReadPositionBackward(size_t frames) { | 67 void AudioRingBuffer::MoveReadPositionBackward(size_t frames) { |
| 68 for (auto buf : buffers_) { | 68 for (auto buf : buffers_) { |
| 69 const size_t moved = static_cast<size_t>( | 69 const size_t moved = static_cast<size_t>( |
| 70 -WebRtc_MoveReadPtr(buf, -static_cast<int>(frames))); | 70 -WebRtc_MoveReadPtr(buf, -static_cast<int>(frames))); |
| 71 RTC_CHECK_EQ(moved, frames); | 71 RTC_CHECK_EQ(moved, frames); |
| 72 } | 72 } |
| 73 } | 73 } |
| 74 | 74 |
| 75 } // namespace webrtc | 75 } // namespace webrtc |
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