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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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134 frames_enqueued_ += kFrameSize; | 134 frames_enqueued_ += kFrameSize; |
135 } | 135 } |
136 } | 136 } |
137 | 137 |
138 void CheckFakeData(AudioBus* audio_data, int frames_written) { | 138 void CheckFakeData(AudioBus* audio_data, int frames_written) { |
139 // Check each channel individually. | 139 // Check each channel individually. |
140 for (int ch = 0; ch < channels_; ++ch) { | 140 for (int ch = 0; ch < channels_; ++ch) { |
141 bool all_zero = true; | 141 bool all_zero = true; |
142 for (int i = 0; i < frames_written && all_zero; ++i) | 142 for (int i = 0; i < frames_written && all_zero; ++i) |
143 all_zero = audio_data->channel(ch)[i] == 0.0f; | 143 all_zero = audio_data->channel(ch)[i] == 0.0f; |
144 ASSERT_EQ(algorithm_.is_muted(), all_zero) << " for channel " << ch; | 144 ASSERT_FALSE(all_zero) << " for channel " << ch; |
145 } | 145 } |
146 } | 146 } |
147 | 147 |
148 int ComputeConsumedFrames(int initial_frames_enqueued, | 148 int ComputeConsumedFrames(int initial_frames_enqueued, |
149 int initial_frames_buffered) { | 149 int initial_frames_buffered) { |
150 int frame_delta = frames_enqueued_ - initial_frames_enqueued; | 150 int frame_delta = frames_enqueued_ - initial_frames_enqueued; |
151 int buffered_delta = algorithm_.frames_buffered() - initial_frames_buffered; | 151 int buffered_delta = algorithm_.frames_buffered() - initial_frames_buffered; |
152 int consumed = frame_delta - buffered_delta; | 152 int consumed = frame_delta - buffered_delta; |
153 CHECK_GE(consumed, 0); | 153 CHECK_GE(consumed, 0); |
154 return consumed; | 154 return consumed; |
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603 | 603 |
604 TEST_F(AudioRendererAlgorithmTest, WsolaSlowdown) { | 604 TEST_F(AudioRendererAlgorithmTest, WsolaSlowdown) { |
605 WsolaTest(0.6f); | 605 WsolaTest(0.6f); |
606 } | 606 } |
607 | 607 |
608 TEST_F(AudioRendererAlgorithmTest, WsolaSpeedup) { | 608 TEST_F(AudioRendererAlgorithmTest, WsolaSpeedup) { |
609 WsolaTest(1.6f); | 609 WsolaTest(1.6f); |
610 } | 610 } |
611 | 611 |
612 } // namespace media | 612 } // namespace media |
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