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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 // The format of these tests are to enqueue a known amount of data and then | 5 // The format of these tests are to enqueue a known amount of data and then |
6 // request the exact amount we expect in order to dequeue the known amount of | 6 // request the exact amount we expect in order to dequeue the known amount of |
7 // data. This ensures that for any rate we are consuming input data at the | 7 // data. This ensures that for any rate we are consuming input data at the |
8 // correct rate. We always pass in a very large destination buffer with the | 8 // correct rate. We always pass in a very large destination buffer with the |
9 // expectation that FillBuffer() will fill as much as it can but no more. | 9 // expectation that FillBuffer() will fill as much as it can but no more. |
10 | 10 |
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147 frames_enqueued_ += kFrameSize; | 147 frames_enqueued_ += kFrameSize; |
148 } | 148 } |
149 } | 149 } |
150 | 150 |
151 void CheckFakeData(AudioBus* audio_data, int frames_written) { | 151 void CheckFakeData(AudioBus* audio_data, int frames_written) { |
152 // Check each channel individually. | 152 // Check each channel individually. |
153 for (int ch = 0; ch < channels_; ++ch) { | 153 for (int ch = 0; ch < channels_; ++ch) { |
154 bool all_zero = true; | 154 bool all_zero = true; |
155 for (int i = 0; i < frames_written && all_zero; ++i) | 155 for (int i = 0; i < frames_written && all_zero; ++i) |
156 all_zero = audio_data->channel(ch)[i] == 0.0f; | 156 all_zero = audio_data->channel(ch)[i] == 0.0f; |
157 ASSERT_FALSE(all_zero) << " for channel " << ch; | 157 ASSERT_EQ(algorithm_.is_muted(), all_zero) << " for channel " << ch; |
158 } | 158 } |
159 } | 159 } |
160 | 160 |
161 int ComputeConsumedFrames(int initial_frames_enqueued, | 161 int ComputeConsumedFrames(int initial_frames_enqueued, |
162 int initial_frames_buffered) { | 162 int initial_frames_buffered) { |
163 int frame_delta = frames_enqueued_ - initial_frames_enqueued; | 163 int frame_delta = frames_enqueued_ - initial_frames_enqueued; |
164 int buffered_delta = algorithm_.frames_buffered() - initial_frames_buffered; | 164 int buffered_delta = algorithm_.frames_buffered() - initial_frames_buffered; |
165 int consumed = frame_delta - buffered_delta; | 165 int consumed = frame_delta - buffered_delta; |
166 CHECK_GE(consumed, 0); | 166 CHECK_GE(consumed, 0); |
167 return consumed; | 167 return consumed; |
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637 | 637 |
638 TEST_F(AudioRendererAlgorithmTest, WsolaSlowdown) { | 638 TEST_F(AudioRendererAlgorithmTest, WsolaSlowdown) { |
639 WsolaTest(0.6f); | 639 WsolaTest(0.6f); |
640 } | 640 } |
641 | 641 |
642 TEST_F(AudioRendererAlgorithmTest, WsolaSpeedup) { | 642 TEST_F(AudioRendererAlgorithmTest, WsolaSpeedup) { |
643 WsolaTest(1.6f); | 643 WsolaTest(1.6f); |
644 } | 644 } |
645 | 645 |
646 } // namespace media | 646 } // namespace media |
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