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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/logging.h" | 5 #include "base/logging.h" |
| 6 #include "services/media/audio/audio_track_impl.h" | 6 #include "services/media/audio/audio_track_impl.h" |
| 7 #include "services/media/audio/platform/generic/mixers/mixer_utils.h" | 7 #include "services/media/audio/platform/generic/mixers/mixer_utils.h" |
| 8 #include "services/media/audio/platform/generic/mixers/point_sampler.h" | 8 #include "services/media/audio/platform/generic/mixers/point_sampler.h" |
| 9 | 9 |
| 10 namespace mojo { | 10 namespace mojo { |
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| 117 static inline MixerPtr SelectPSM(const LpcmMediaTypeDetailsPtr& src_format, | 117 static inline MixerPtr SelectPSM(const LpcmMediaTypeDetailsPtr& src_format, |
| 118 const LpcmMediaTypeDetailsPtr& dst_format) { | 118 const LpcmMediaTypeDetailsPtr& dst_format) { |
| 119 return MixerPtr(new PointSamplerImpl<DType, DChCount, SType, SChCount>()); | 119 return MixerPtr(new PointSamplerImpl<DType, DChCount, SType, SChCount>()); |
| 120 } | 120 } |
| 121 | 121 |
| 122 template <typename DType, | 122 template <typename DType, |
| 123 size_t DChCount, | 123 size_t DChCount, |
| 124 typename SType> | 124 typename SType> |
| 125 static inline MixerPtr SelectPSM(const LpcmMediaTypeDetailsPtr& src_format, | 125 static inline MixerPtr SelectPSM(const LpcmMediaTypeDetailsPtr& src_format, |
| 126 const LpcmMediaTypeDetailsPtr& dst_format) { | 126 const LpcmMediaTypeDetailsPtr& dst_format) { |
| 127 switch (src_format->samples_per_frame) { | 127 switch (src_format->channels) { |
| 128 case 1: | 128 case 1: |
| 129 return SelectPSM<DType, DChCount, SType, 1>(src_format, dst_format); | 129 return SelectPSM<DType, DChCount, SType, 1>(src_format, dst_format); |
| 130 case 2: | 130 case 2: |
| 131 return SelectPSM<DType, DChCount, SType, 2>(src_format, dst_format); | 131 return SelectPSM<DType, DChCount, SType, 2>(src_format, dst_format); |
| 132 default: | 132 default: |
| 133 return nullptr; | 133 return nullptr; |
| 134 } | 134 } |
| 135 } | 135 } |
| 136 | 136 |
| 137 template <typename DType, | 137 template <typename DType, |
| 138 size_t DChCount> | 138 size_t DChCount> |
| 139 static inline MixerPtr SelectPSM(const LpcmMediaTypeDetailsPtr& src_format, | 139 static inline MixerPtr SelectPSM(const LpcmMediaTypeDetailsPtr& src_format, |
| 140 const LpcmMediaTypeDetailsPtr& dst_format) { | 140 const LpcmMediaTypeDetailsPtr& dst_format) { |
| 141 switch (src_format->sample_format) { | 141 switch (src_format->sample_format) { |
| 142 case LpcmSampleFormat::UNSIGNED_8: | 142 case LpcmSampleFormat::UNSIGNED_8: |
| 143 return SelectPSM<DType, DChCount, uint8_t>(src_format, dst_format); | 143 return SelectPSM<DType, DChCount, uint8_t>(src_format, dst_format); |
| 144 case LpcmSampleFormat::SIGNED_16: | 144 case LpcmSampleFormat::SIGNED_16: |
| 145 return SelectPSM<DType, DChCount, int16_t>(src_format, dst_format); | 145 return SelectPSM<DType, DChCount, int16_t>(src_format, dst_format); |
| 146 default: | 146 default: |
| 147 return nullptr; | 147 return nullptr; |
| 148 } | 148 } |
| 149 } | 149 } |
| 150 | 150 |
| 151 template <typename DType> | 151 template <typename DType> |
| 152 static inline MixerPtr SelectPSM(const LpcmMediaTypeDetailsPtr& src_format, | 152 static inline MixerPtr SelectPSM(const LpcmMediaTypeDetailsPtr& src_format, |
| 153 const LpcmMediaTypeDetailsPtr& dst_format) { | 153 const LpcmMediaTypeDetailsPtr& dst_format) { |
| 154 switch (dst_format->samples_per_frame) { | 154 switch (dst_format->channels) { |
| 155 case 1: | 155 case 1: |
| 156 return SelectPSM<DType, 1>(src_format, dst_format); | 156 return SelectPSM<DType, 1>(src_format, dst_format); |
| 157 case 2: | 157 case 2: |
| 158 return SelectPSM<DType, 2>(src_format, dst_format); | 158 return SelectPSM<DType, 2>(src_format, dst_format); |
| 159 default: | 159 default: |
| 160 return nullptr; | 160 return nullptr; |
| 161 } | 161 } |
| 162 } | 162 } |
| 163 | 163 |
| 164 MixerPtr PointSampler::Select(const LpcmMediaTypeDetailsPtr& src_format, | 164 MixerPtr PointSampler::Select(const LpcmMediaTypeDetailsPtr& src_format, |
| 165 const LpcmMediaTypeDetailsPtr& dst_format) { | 165 const LpcmMediaTypeDetailsPtr& dst_format) { |
| 166 switch (dst_format->sample_format) { | 166 switch (dst_format->sample_format) { |
| 167 case LpcmSampleFormat::UNSIGNED_8: | 167 case LpcmSampleFormat::UNSIGNED_8: |
| 168 return SelectPSM<uint8_t>(src_format, dst_format); | 168 return SelectPSM<uint8_t>(src_format, dst_format); |
| 169 case LpcmSampleFormat::SIGNED_16: | 169 case LpcmSampleFormat::SIGNED_16: |
| 170 return SelectPSM<int16_t>(src_format, dst_format); | 170 return SelectPSM<int16_t>(src_format, dst_format); |
| 171 default: | 171 default: |
| 172 return nullptr; | 172 return nullptr; |
| 173 } | 173 } |
| 174 } | 174 } |
| 175 | 175 |
| 176 } // namespace mixers | 176 } // namespace mixers |
| 177 } // namespace audio | 177 } // namespace audio |
| 178 } // namespace media | 178 } // namespace media |
| 179 } // namespace mojo | 179 } // namespace mojo |
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