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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 "content/browser/renderer_host/media/audio_input_renderer_host.h" | 5 #include "content/browser/renderer_host/media/audio_input_renderer_host.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/metrics/histogram.h" | 8 #include "base/metrics/histogram.h" |
9 #include "base/process.h" | 9 #include "base/process.h" |
10 #include "base/shared_memory.h" | 10 #include "base/shared_memory.h" |
11 #include "content/browser/renderer_host/media/audio_input_device_manager.h" | 11 #include "content/browser/renderer_host/media/audio_input_device_manager.h" |
12 #include "content/browser/renderer_host/media/audio_input_sync_writer.h" | 12 #include "content/browser/renderer_host/media/audio_input_sync_writer.h" |
13 #include "content/browser/renderer_host/media/media_stream_manager.h" | 13 #include "content/browser/renderer_host/media/media_stream_manager.h" |
14 #include "content/common/media/audio_messages.h" | 14 #include "content/common/media/audio_messages.h" |
15 | 15 |
16 using content::BrowserMessageFilter; | 16 using content::BrowserMessageFilter; |
17 using content::BrowserThread; | 17 using content::BrowserThread; |
18 | 18 |
19 AudioInputRendererHost::AudioEntry::AudioEntry() | 19 AudioInputRendererHost::AudioEntry::AudioEntry() |
20 : stream_id(0), | 20 : stream_id(0), |
21 pending_close(false) { | 21 pending_close(false) { |
22 } | 22 } |
23 | 23 |
24 AudioInputRendererHost::AudioEntry::~AudioEntry() {} | 24 AudioInputRendererHost::AudioEntry::~AudioEntry() {} |
25 | 25 |
26 AudioInputRendererHost::AudioInputRendererHost( | 26 AudioInputRendererHost::AudioInputRendererHost( |
27 content::ResourceContext* resource_context, | 27 content::ResourceContext* resource_context, |
28 AudioManager* audio_manager) | 28 media::AudioManager* audio_manager) |
29 : resource_context_(resource_context), | 29 : resource_context_(resource_context), |
30 audio_manager_(audio_manager) { | 30 audio_manager_(audio_manager) { |
31 } | 31 } |
32 | 32 |
33 AudioInputRendererHost::~AudioInputRendererHost() { | 33 AudioInputRendererHost::~AudioInputRendererHost() { |
34 DCHECK(audio_entries_.empty()); | 34 DCHECK(audio_entries_.empty()); |
35 } | 35 } |
36 | 36 |
37 void AudioInputRendererHost::OnChannelClosing() { | 37 void AudioInputRendererHost::OnChannelClosing() { |
38 BrowserMessageFilter::OnChannelClosing(); | 38 BrowserMessageFilter::OnChannelClosing(); |
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191 resource_context_, audio_manager_)->audio_input_device_manager(); | 191 resource_context_, audio_manager_)->audio_input_device_manager(); |
192 | 192 |
193 // Add the session entry to the map. | 193 // Add the session entry to the map. |
194 session_entries_[session_id] = stream_id; | 194 session_entries_[session_id] = stream_id; |
195 | 195 |
196 // Start the device with the session_id. If the device is started | 196 // Start the device with the session_id. If the device is started |
197 // successfully, OnDeviceStarted() callback will be triggered. | 197 // successfully, OnDeviceStarted() callback will be triggered. |
198 audio_input_man->Start(session_id, this); | 198 audio_input_man->Start(session_id, this); |
199 } | 199 } |
200 | 200 |
201 void AudioInputRendererHost::OnCreateStream(int stream_id, | 201 void AudioInputRendererHost::OnCreateStream( |
202 const AudioParameters& params, | 202 int stream_id, const media::AudioParameters& params, |
203 const std::string& device_id) { | 203 const std::string& device_id) { |
204 VLOG(1) << "AudioInputRendererHost::OnCreateStream(stream_id=" | 204 VLOG(1) << "AudioInputRendererHost::OnCreateStream(stream_id=" |
205 << stream_id << ")"; | 205 << stream_id << ")"; |
206 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 206 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
207 DCHECK(LookupById(stream_id) == NULL); | 207 DCHECK(LookupById(stream_id) == NULL); |
208 | 208 |
209 AudioParameters audio_params(params); | 209 media::AudioParameters audio_params(params); |
210 | 210 |
211 DCHECK_GT(audio_params.frames_per_buffer(), 0); | 211 DCHECK_GT(audio_params.frames_per_buffer(), 0); |
212 uint32 buffer_size = audio_params.GetBytesPerBuffer(); | 212 uint32 buffer_size = audio_params.GetBytesPerBuffer(); |
213 | 213 |
214 // Create a new AudioEntry structure. | 214 // Create a new AudioEntry structure. |
215 scoped_ptr<AudioEntry> entry(new AudioEntry()); | 215 scoped_ptr<AudioEntry> entry(new AudioEntry()); |
216 | 216 |
217 // Create the shared memory and share it with the renderer process | 217 // Create the shared memory and share it with the renderer process |
218 // using a new SyncWriter object. | 218 // using a new SyncWriter object. |
219 if (!entry->shared_memory.CreateAndMapAnonymous(buffer_size)) { | 219 if (!entry->shared_memory.CreateAndMapAnonymous(buffer_size)) { |
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437 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 437 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
438 | 438 |
439 for (SessionEntryMap::iterator it = session_entries_.begin(); | 439 for (SessionEntryMap::iterator it = session_entries_.begin(); |
440 it != session_entries_.end(); ++it) { | 440 it != session_entries_.end(); ++it) { |
441 if (stream_id == it->second) { | 441 if (stream_id == it->second) { |
442 return it->first; | 442 return it->first; |
443 } | 443 } |
444 } | 444 } |
445 return 0; | 445 return 0; |
446 } | 446 } |
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