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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 "base/basictypes.h" | 5 #include "base/basictypes.h" |
| 6 #include "base/environment.h" | 6 #include "base/environment.h" |
| 7 #include "base/message_loop/message_loop.h" | 7 #include "base/message_loop/message_loop.h" |
| 8 #include "base/run_loop.h" | 8 #include "base/run_loop.h" |
| 9 #include "base/test/test_timeouts.h" | 9 #include "base/test/test_timeouts.h" |
| 10 #include "base/threading/platform_thread.h" | 10 #include "base/threading/platform_thread.h" |
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| 71 buffer_.Seek(chunk_size); | 71 buffer_.Seek(chunk_size); |
| 72 bytes_written += chunk_size; | 72 bytes_written += chunk_size; |
| 73 } | 73 } |
| 74 fclose(file_); | 74 fclose(file_); |
| 75 } | 75 } |
| 76 | 76 |
| 77 // AudioInputStream::AudioInputCallback implementation. | 77 // AudioInputStream::AudioInputCallback implementation. |
| 78 virtual void OnData(AudioInputStream* stream, | 78 virtual void OnData(AudioInputStream* stream, |
| 79 const AudioBus* src, | 79 const AudioBus* src, |
| 80 uint32 hardware_delay_bytes, | 80 uint32 hardware_delay_bytes, |
| 81 double volume) OVERRIDE { | 81 double volume) override { |
| 82 const int num_samples = src->frames() * src->channels(); | 82 const int num_samples = src->frames() * src->channels(); |
| 83 scoped_ptr<int16> interleaved(new int16[num_samples]); | 83 scoped_ptr<int16> interleaved(new int16[num_samples]); |
| 84 const int bytes_per_sample = sizeof(*interleaved); | 84 const int bytes_per_sample = sizeof(*interleaved); |
| 85 src->ToInterleaved(src->frames(), bytes_per_sample, interleaved.get()); | 85 src->ToInterleaved(src->frames(), bytes_per_sample, interleaved.get()); |
| 86 | 86 |
| 87 // Store data data in a temporary buffer to avoid making blocking | 87 // Store data data in a temporary buffer to avoid making blocking |
| 88 // fwrite() calls in the audio callback. The complete buffer will be | 88 // fwrite() calls in the audio callback. The complete buffer will be |
| 89 // written to file in the destructor. | 89 // written to file in the destructor. |
| 90 const int size = bytes_per_sample * num_samples; | 90 const int size = bytes_per_sample * num_samples; |
| 91 if (buffer_.Append((const uint8*)interleaved.get(), size)) { | 91 if (buffer_.Append((const uint8*)interleaved.get(), size)) { |
| 92 bytes_to_write_ += size; | 92 bytes_to_write_ += size; |
| 93 } | 93 } |
| 94 } | 94 } |
| 95 | 95 |
| 96 virtual void OnError(AudioInputStream* stream) OVERRIDE {} | 96 virtual void OnError(AudioInputStream* stream) override {} |
| 97 | 97 |
| 98 private: | 98 private: |
| 99 media::SeekableBuffer buffer_; | 99 media::SeekableBuffer buffer_; |
| 100 FILE* file_; | 100 FILE* file_; |
| 101 int bytes_to_write_; | 101 int bytes_to_write_; |
| 102 }; | 102 }; |
| 103 | 103 |
| 104 class MacAudioInputTest : public testing::Test { | 104 class MacAudioInputTest : public testing::Test { |
| 105 protected: | 105 protected: |
| 106 MacAudioInputTest() | 106 MacAudioInputTest() |
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| 303 WriteToFileAudioSink file_sink(file_name); | 303 WriteToFileAudioSink file_sink(file_name); |
| 304 fprintf(stderr, " >> Speak into the mic while recording...\n"); | 304 fprintf(stderr, " >> Speak into the mic while recording...\n"); |
| 305 ais->Start(&file_sink); | 305 ais->Start(&file_sink); |
| 306 base::PlatformThread::Sleep(TestTimeouts::action_timeout()); | 306 base::PlatformThread::Sleep(TestTimeouts::action_timeout()); |
| 307 ais->Stop(); | 307 ais->Stop(); |
| 308 fprintf(stderr, " >> Recording has stopped.\n"); | 308 fprintf(stderr, " >> Recording has stopped.\n"); |
| 309 ais->Close(); | 309 ais->Close(); |
| 310 } | 310 } |
| 311 | 311 |
| 312 } // namespace media | 312 } // namespace media |
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