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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 #include <algorithm> // std::min |
| 6 |
| 5 #include "base/logging.h" | 7 #include "base/logging.h" |
| 6 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 7 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 8 #include "base/time.h" | 10 #include "base/time.h" |
| 9 #include "media/audio/audio_manager.h" | 11 #include "media/audio/audio_manager.h" |
| 10 #include "media/audio/fake_audio_output_stream.h" | 12 #include "media/audio/fake_audio_output_stream.h" |
| 11 #include "media/audio/simple_sources.h" | 13 #include "media/audio/simple_sources.h" |
| 12 #include "testing/gtest/include/gtest/gtest.h" | 14 #include "testing/gtest/include/gtest/gtest.h" |
| 13 | 15 |
| 14 namespace media { | 16 namespace media { |
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| 44 // Write everything into this push source. | 46 // Write everything into this push source. |
| 45 for (uint32 i = 0; i < kDataSize; i += kWriteSize) { | 47 for (uint32 i = 0; i < kDataSize; i += kWriteSize) { |
| 46 uint32 size = std::min(kDataSize - i, kWriteSize); | 48 uint32 size = std::min(kDataSize - i, kWriteSize); |
| 47 EXPECT_TRUE(push_source.Write(data.get() + i, size)); | 49 EXPECT_TRUE(push_source.Write(data.get() + i, size)); |
| 48 } | 50 } |
| 49 EXPECT_EQ(kDataSize, push_source.UnProcessedBytes()); | 51 EXPECT_EQ(kDataSize, push_source.UnProcessedBytes()); |
| 50 | 52 |
| 51 // Read everything from the push source. | 53 // Read everything from the push source. |
| 52 for (uint32 i = 0; i < kDataSize; i += kReadSize) { | 54 for (uint32 i = 0; i < kDataSize; i += kReadSize) { |
| 53 uint32 size = std::min(kDataSize - i , kReadSize); | 55 uint32 size = std::min(kDataSize - i , kReadSize); |
| 54 EXPECT_EQ(size, push_source.OnMoreData(NULL, read_data.get(), size, | 56 EXPECT_EQ(size, push_source.OnMoreData(read_data.get(), size, |
| 55 AudioBuffersState())); | 57 AudioBuffersState())); |
| 56 EXPECT_EQ(0, memcmp(data.get() + i, read_data.get(), size)); | 58 EXPECT_EQ(0, memcmp(data.get() + i, read_data.get(), size)); |
| 57 } | 59 } |
| 58 EXPECT_EQ(0u, push_source.UnProcessedBytes()); | 60 EXPECT_EQ(0u, push_source.UnProcessedBytes()); |
| 59 } | 61 } |
| 60 | 62 |
| 61 // Validate that the SineWaveAudioSource writes the expected values for | 63 // Validate that the SineWaveAudioSource writes the expected values for |
| 62 // the FORMAT_16BIT_MONO. The values are carefully selected so rounding issues | 64 // the FORMAT_16BIT_MONO. The values are carefully selected so rounding issues |
| 63 // do not affect the result. We also test that AudioManager::GetLastMockBuffer | 65 // do not affect the result. We also test that AudioManager::GetLastMockBuffer |
| 64 // works. | 66 // works. |
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| 96 EXPECT_TRUE(last_buffer[2] < last_buffer[3]); | 98 EXPECT_TRUE(last_buffer[2] < last_buffer[3]); |
| 97 // Spot test negative incursion of sine wave. | 99 // Spot test negative incursion of sine wave. |
| 98 EXPECT_EQ(0, last_buffer[half_period]); | 100 EXPECT_EQ(0, last_buffer[half_period]); |
| 99 EXPECT_EQ(-5126, last_buffer[half_period + 1]); | 101 EXPECT_EQ(-5126, last_buffer[half_period + 1]); |
| 100 EXPECT_TRUE(last_buffer[half_period + 1] > last_buffer[half_period + 2]); | 102 EXPECT_TRUE(last_buffer[half_period + 1] > last_buffer[half_period + 2]); |
| 101 EXPECT_TRUE(last_buffer[half_period + 2] > last_buffer[half_period + 3]); | 103 EXPECT_TRUE(last_buffer[half_period + 2] > last_buffer[half_period + 3]); |
| 102 oas->Close(); | 104 oas->Close(); |
| 103 } | 105 } |
| 104 | 106 |
| 105 } // namespace media | 107 } // namespace media |
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