OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // MSVC++ requires this to be set before any other includes to get M_PI. | 5 // MSVC++ requires this to be set before any other includes to get M_PI. |
6 #define _USE_MATH_DEFINES | 6 #define _USE_MATH_DEFINES |
7 | 7 |
8 #include <cmath> | 8 #include <cmath> |
9 | 9 |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
(...skipping 93 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
104 return true; | 104 return true; |
105 } | 105 } |
106 | 106 |
107 // Runs a single Convert() stage, fills |expected_audio_bus_| appropriately, | 107 // Runs a single Convert() stage, fills |expected_audio_bus_| appropriately, |
108 // and validates equality with |audio_bus_| after |scale| is applied. | 108 // and validates equality with |audio_bus_| after |scale| is applied. |
109 bool RenderAndValidateAudioData(float scale) { | 109 bool RenderAndValidateAudioData(float scale) { |
110 // Render actual audio data. | 110 // Render actual audio data. |
111 converter_->Convert(audio_bus_.get()); | 111 converter_->Convert(audio_bus_.get()); |
112 | 112 |
113 // Render expected audio data. | 113 // Render expected audio data. |
114 expected_callback_->Render(expected_audio_bus_.get(), 0); | 114 expected_callback_->Render(expected_audio_bus_.get(), 0, 0); |
115 | 115 |
116 // Zero out unused channels in the expected AudioBus just as AudioConverter | 116 // Zero out unused channels in the expected AudioBus just as AudioConverter |
117 // would during channel mixing. | 117 // would during channel mixing. |
118 for (int i = input_parameters_.channels(); | 118 for (int i = input_parameters_.channels(); |
119 i < output_parameters_.channels(); ++i) { | 119 i < output_parameters_.channels(); ++i) { |
120 memset(expected_audio_bus_->channel(i), 0, | 120 memset(expected_audio_bus_->channel(i), 0, |
121 audio_bus_->frames() * sizeof(*audio_bus_->channel(i))); | 121 audio_bus_->frames() * sizeof(*audio_bus_->channel(i))); |
122 } | 122 } |
123 | 123 |
124 return ValidateAudioData(0, audio_bus_->frames(), scale); | 124 return ValidateAudioData(0, audio_bus_->frames(), scale); |
(...skipping 130 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
255 // No resampling. No channel mixing. | 255 // No resampling. No channel mixing. |
256 std::tr1::make_tuple(44100, 44100, CHANNEL_LAYOUT_STEREO, 0.00000048), | 256 std::tr1::make_tuple(44100, 44100, CHANNEL_LAYOUT_STEREO, 0.00000048), |
257 | 257 |
258 // Upsampling. Channel upmixing. | 258 // Upsampling. Channel upmixing. |
259 std::tr1::make_tuple(44100, 48000, CHANNEL_LAYOUT_QUAD, 0.033), | 259 std::tr1::make_tuple(44100, 48000, CHANNEL_LAYOUT_QUAD, 0.033), |
260 | 260 |
261 // Downsampling. Channel downmixing. | 261 // Downsampling. Channel downmixing. |
262 std::tr1::make_tuple(48000, 41000, CHANNEL_LAYOUT_MONO, 0.042))); | 262 std::tr1::make_tuple(48000, 41000, CHANNEL_LAYOUT_MONO, 0.042))); |
263 | 263 |
264 } // namespace media | 264 } // namespace media |
OLD | NEW |