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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 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 |
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99 private: | 99 private: |
100 ScopedVector<PushSincResampler> resamplers_; | 100 ScopedVector<PushSincResampler> resamplers_; |
101 }; | 101 }; |
102 | 102 |
103 // Apply a vector of converters in serial, in the order given. At least two | 103 // Apply a vector of converters in serial, in the order given. At least two |
104 // converters must be provided. | 104 // converters must be provided. |
105 class CompositionConverter : public AudioConverter { | 105 class CompositionConverter : public AudioConverter { |
106 public: | 106 public: |
107 CompositionConverter(ScopedVector<AudioConverter> converters) | 107 CompositionConverter(ScopedVector<AudioConverter> converters) |
108 : converters_(converters.Pass()) { | 108 : converters_(converters.Pass()) { |
109 CHECK_GE(converters_.size(), 2u); | 109 RTC_CHECK_GE(converters_.size(), 2u); |
110 // We need an intermediate buffer after every converter. | 110 // We need an intermediate buffer after every converter. |
111 for (auto it = converters_.begin(); it != converters_.end() - 1; ++it) | 111 for (auto it = converters_.begin(); it != converters_.end() - 1; ++it) |
112 buffers_.push_back(new ChannelBuffer<float>((*it)->dst_frames(), | 112 buffers_.push_back(new ChannelBuffer<float>((*it)->dst_frames(), |
113 (*it)->dst_channels())); | 113 (*it)->dst_channels())); |
114 } | 114 } |
115 ~CompositionConverter() override {}; | 115 ~CompositionConverter() override {}; |
116 | 116 |
117 void Convert(const float* const* src, size_t src_size, float* const* dst, | 117 void Convert(const float* const* src, size_t src_size, float* const* dst, |
118 size_t dst_capacity) override { | 118 size_t dst_capacity) override { |
119 converters_.front()->Convert(src, src_size, buffers_.front()->channels(), | 119 converters_.front()->Convert(src, src_size, buffers_.front()->channels(), |
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181 src_frames_(0), | 181 src_frames_(0), |
182 dst_channels_(0), | 182 dst_channels_(0), |
183 dst_frames_(0) {} | 183 dst_frames_(0) {} |
184 | 184 |
185 AudioConverter::AudioConverter(int src_channels, size_t src_frames, | 185 AudioConverter::AudioConverter(int src_channels, size_t src_frames, |
186 int dst_channels, size_t dst_frames) | 186 int dst_channels, size_t dst_frames) |
187 : src_channels_(src_channels), | 187 : src_channels_(src_channels), |
188 src_frames_(src_frames), | 188 src_frames_(src_frames), |
189 dst_channels_(dst_channels), | 189 dst_channels_(dst_channels), |
190 dst_frames_(dst_frames) { | 190 dst_frames_(dst_frames) { |
191 CHECK(dst_channels == src_channels || dst_channels == 1 || src_channels == 1); | 191 RTC_CHECK(dst_channels == src_channels || dst_channels == 1 || |
| 192 src_channels == 1); |
192 } | 193 } |
193 | 194 |
194 void AudioConverter::CheckSizes(size_t src_size, size_t dst_capacity) const { | 195 void AudioConverter::CheckSizes(size_t src_size, size_t dst_capacity) const { |
195 CHECK_EQ(src_size, src_channels() * src_frames()); | 196 RTC_CHECK_EQ(src_size, src_channels() * src_frames()); |
196 CHECK_GE(dst_capacity, dst_channels() * dst_frames()); | 197 RTC_CHECK_GE(dst_capacity, dst_channels() * dst_frames()); |
197 } | 198 } |
198 | 199 |
199 } // namespace webrtc | 200 } // namespace webrtc |
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