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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 "media/audio/win/audio_low_latency_input_win.h" | 5 #include "media/audio/win/audio_low_latency_input_win.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/strings/utf_string_conversions.h" | 9 #include "base/strings/utf_string_conversions.h" |
10 #include "media/audio/win/audio_manager_win.h" | 10 #include "media/audio/win/audio_manager_win.h" |
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358 size_t buffer_frame_index = 0; | 358 size_t buffer_frame_index = 0; |
359 size_t capture_buffer_size = std::max( | 359 size_t capture_buffer_size = std::max( |
360 2 * endpoint_buffer_size_frames_ * frame_size_, | 360 2 * endpoint_buffer_size_frames_ * frame_size_, |
361 2 * packet_size_frames_ * frame_size_); | 361 2 * packet_size_frames_ * frame_size_); |
362 scoped_ptr<uint8[]> capture_buffer(new uint8[capture_buffer_size]); | 362 scoped_ptr<uint8[]> capture_buffer(new uint8[capture_buffer_size]); |
363 | 363 |
364 LARGE_INTEGER now_count; | 364 LARGE_INTEGER now_count; |
365 bool recording = true; | 365 bool recording = true; |
366 bool error = false; | 366 bool error = false; |
367 double volume = GetVolume(); | 367 double volume = GetVolume(); |
368 HANDLE wait_array[2] = {stop_capture_event_, audio_samples_ready_event_}; | 368 HANDLE wait_array[2] = |
| 369 { stop_capture_event_.Get(), audio_samples_ready_event_.Get() }; |
369 | 370 |
370 while (recording && !error) { | 371 while (recording && !error) { |
371 HRESULT hr = S_FALSE; | 372 HRESULT hr = S_FALSE; |
372 | 373 |
373 // Wait for a close-down event or a new capture event. | 374 // Wait for a close-down event or a new capture event. |
374 DWORD wait_result = WaitForMultipleObjects(2, wait_array, FALSE, INFINITE); | 375 DWORD wait_result = WaitForMultipleObjects(2, wait_array, FALSE, INFINITE); |
375 switch (wait_result) { | 376 switch (wait_result) { |
376 case WAIT_FAILED: | 377 case WAIT_FAILED: |
377 error = true; | 378 error = true; |
378 break; | 379 break; |
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741 return hr; | 742 return hr; |
742 | 743 |
743 // Obtain a reference to the ISimpleAudioVolume interface which enables | 744 // Obtain a reference to the ISimpleAudioVolume interface which enables |
744 // us to control the master volume level of an audio session. | 745 // us to control the master volume level of an audio session. |
745 hr = audio_client_->GetService(__uuidof(ISimpleAudioVolume), | 746 hr = audio_client_->GetService(__uuidof(ISimpleAudioVolume), |
746 simple_audio_volume_.ReceiveVoid()); | 747 simple_audio_volume_.ReceiveVoid()); |
747 return hr; | 748 return hr; |
748 } | 749 } |
749 | 750 |
750 } // namespace media | 751 } // namespace media |
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