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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" |
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201 void AudioInputRendererHost::OnCreateStream(int stream_id, | 201 void AudioInputRendererHost::OnCreateStream(int stream_id, |
202 const AudioParameters& params, | 202 const 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 AudioParameters audio_params(params); |
210 | 210 |
211 DCHECK_GT(audio_params.samples_per_packet, 0); | 211 DCHECK_GT(audio_params.frames_per_buffer(), 0); |
212 uint32 packet_size = audio_params.GetPacketSize(); | 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(packet_size)) { | 219 if (!entry->shared_memory.CreateAndMapAnonymous(buffer_size)) { |
220 // If creation of shared memory failed then send an error message. | 220 // If creation of shared memory failed then send an error message. |
221 SendErrorMessage(stream_id); | 221 SendErrorMessage(stream_id); |
222 return; | 222 return; |
223 } | 223 } |
224 | 224 |
225 scoped_ptr<AudioInputSyncWriter> writer( | 225 scoped_ptr<AudioInputSyncWriter> writer( |
226 new AudioInputSyncWriter(&entry->shared_memory)); | 226 new AudioInputSyncWriter(&entry->shared_memory)); |
227 | 227 |
228 if (!writer->Init()) { | 228 if (!writer->Init()) { |
229 SendErrorMessage(stream_id); | 229 SendErrorMessage(stream_id); |
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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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