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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "content/renderer/media/audio_input_device.h" | 5 #include "content/renderer/media/audio_input_device.h" |
| 6 | 6 |
| 7 #include "base/message_loop.h" | 7 #include "base/message_loop.h" |
| 8 #include "base/time.h" | 8 #include "base/time.h" |
| 9 #include "content/common/child_process.h" | 9 #include "content/common/child_process.h" |
| 10 #include "content/common/media/audio_messages.h" | 10 #include "content/common/media/audio_messages.h" |
| 11 #include "content/common/view_messages.h" | 11 #include "content/common/view_messages.h" |
| 12 #include "content/renderer/render_thread.h" | 12 #include "content/renderer/render_thread_impl.h" |
| 13 #include "media/audio/audio_util.h" | 13 #include "media/audio/audio_util.h" |
| 14 | 14 |
| 15 AudioInputDevice::AudioInputDevice(size_t buffer_size, | 15 AudioInputDevice::AudioInputDevice(size_t buffer_size, |
| 16 int channels, | 16 int channels, |
| 17 double sample_rate, | 17 double sample_rate, |
| 18 CaptureCallback* callback, | 18 CaptureCallback* callback, |
| 19 CaptureEventHandler* event_handler) | 19 CaptureEventHandler* event_handler) |
| 20 : callback_(callback), | 20 : callback_(callback), |
| 21 event_handler_(event_handler), | 21 event_handler_(event_handler), |
| 22 audio_delay_milliseconds_(0), | 22 audio_delay_milliseconds_(0), |
| 23 volume_(1.0), | 23 volume_(1.0), |
| 24 stream_id_(0), | 24 stream_id_(0), |
| 25 session_id_(0), | 25 session_id_(0), |
| 26 pending_device_ready_(false) { | 26 pending_device_ready_(false) { |
| 27 filter_ = RenderThread::current()->audio_input_message_filter(); | 27 filter_ = RenderThreadImpl::current()->audio_input_message_filter(); |
| 28 audio_data_.reserve(channels); | 28 audio_data_.reserve(channels); |
| 29 #if defined(OS_MACOSX) | 29 #if defined(OS_MACOSX) |
| 30 VLOG(1) << "Using AUDIO_PCM_LOW_LATENCY as input mode on Mac OS X."; | 30 VLOG(1) << "Using AUDIO_PCM_LOW_LATENCY as input mode on Mac OS X."; |
| 31 audio_parameters_.format = AudioParameters::AUDIO_PCM_LOW_LATENCY; | 31 audio_parameters_.format = AudioParameters::AUDIO_PCM_LOW_LATENCY; |
| 32 #else | 32 #else |
| 33 audio_parameters_.format = AudioParameters::AUDIO_PCM_LINEAR; | 33 audio_parameters_.format = AudioParameters::AUDIO_PCM_LINEAR; |
| 34 #endif | 34 #endif |
| 35 audio_parameters_.channels = channels; | 35 audio_parameters_.channels = channels; |
| 36 audio_parameters_.sample_rate = static_cast<int>(sample_rate); | 36 audio_parameters_.sample_rate = static_cast<int>(sample_rate); |
| 37 audio_parameters_.bits_per_sample = 16; | 37 audio_parameters_.bits_per_sample = 16; |
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| 314 bytes_per_sample, | 314 bytes_per_sample, |
| 315 number_of_frames); | 315 number_of_frames); |
| 316 } | 316 } |
| 317 | 317 |
| 318 // Deliver captured data to the client in floating point format | 318 // Deliver captured data to the client in floating point format |
| 319 // and update the audio-delay measurement. | 319 // and update the audio-delay measurement. |
| 320 callback_->Capture(audio_data_, | 320 callback_->Capture(audio_data_, |
| 321 number_of_frames, | 321 number_of_frames, |
| 322 audio_delay_milliseconds_); | 322 audio_delay_milliseconds_); |
| 323 } | 323 } |
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