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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/virtual_audio_output_stream.h" | 5 #include "media/audio/virtual_audio_output_stream.h" |
| 6 | 6 |
| 7 #include <stdint.h> |
| 8 |
| 7 #include "base/logging.h" | 9 #include "base/logging.h" |
| 8 #include "media/audio/virtual_audio_input_stream.h" | 10 #include "media/audio/virtual_audio_input_stream.h" |
| 9 | 11 |
| 10 namespace media { | 12 namespace media { |
| 11 | 13 |
| 12 VirtualAudioOutputStream::VirtualAudioOutputStream( | 14 VirtualAudioOutputStream::VirtualAudioOutputStream( |
| 13 const AudioParameters& params, VirtualAudioInputStream* target, | 15 const AudioParameters& params, VirtualAudioInputStream* target, |
| 14 const AfterCloseCallback& after_close_cb) | 16 const AfterCloseCallback& after_close_cb) |
| 15 : params_(params), target_input_stream_(target), | 17 : params_(params), target_input_stream_(target), |
| 16 after_close_cb_(after_close_cb), callback_(NULL), volume_(1.0f) { | 18 after_close_cb_(after_close_cb), callback_(NULL), volume_(1.0f) { |
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| 83 base::TimeDelta::FromSeconds(1); | 85 base::TimeDelta::FromSeconds(1); |
| 84 const int frames = callback_->OnMoreData( | 86 const int frames = callback_->OnMoreData( |
| 85 audio_bus, static_cast<uint32_t>(upstream_delay_in_bytes), 0); | 87 audio_bus, static_cast<uint32_t>(upstream_delay_in_bytes), 0); |
| 86 if (frames < audio_bus->frames()) | 88 if (frames < audio_bus->frames()) |
| 87 audio_bus->ZeroFramesPartial(frames, audio_bus->frames() - frames); | 89 audio_bus->ZeroFramesPartial(frames, audio_bus->frames() - frames); |
| 88 | 90 |
| 89 return frames > 0 ? volume_ : 0; | 91 return frames > 0 ? volume_ : 0; |
| 90 } | 92 } |
| 91 | 93 |
| 92 } // namespace media | 94 } // namespace media |
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