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Side by Side Diff: content/browser/renderer_host/media/audio_input_renderer_host.cc

Issue 11339014: Move content\browser\renderer_host\media to content namespace. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 8 years, 1 month ago
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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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38 38
39 AudioInputRendererHost::AudioEntry::AudioEntry() 39 AudioInputRendererHost::AudioEntry::AudioEntry()
40 : stream_id(0), 40 : stream_id(0),
41 pending_close(false) { 41 pending_close(false) {
42 } 42 }
43 43
44 AudioInputRendererHost::AudioEntry::~AudioEntry() {} 44 AudioInputRendererHost::AudioEntry::~AudioEntry() {}
45 45
46 AudioInputRendererHost::AudioInputRendererHost( 46 AudioInputRendererHost::AudioInputRendererHost(
47 media::AudioManager* audio_manager, 47 media::AudioManager* audio_manager,
48 media_stream::MediaStreamManager* media_stream_manager) 48 MediaStreamManager* media_stream_manager)
49 : audio_manager_(audio_manager), 49 : audio_manager_(audio_manager),
50 media_stream_manager_(media_stream_manager) { 50 media_stream_manager_(media_stream_manager) {
51 } 51 }
52 52
53 AudioInputRendererHost::~AudioInputRendererHost() { 53 AudioInputRendererHost::~AudioInputRendererHost() {
54 DCHECK(audio_entries_.empty()); 54 DCHECK(audio_entries_.empty());
55 } 55 }
56 56
57 void AudioInputRendererHost::OnChannelClosing() { 57 void AudioInputRendererHost::OnChannelClosing() {
58 BrowserMessageFilter::OnChannelClosing(); 58 BrowserMessageFilter::OnChannelClosing();
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127 // mapping shared memory and sharing with the renderer process. 127 // mapping shared memory and sharing with the renderer process.
128 base::SharedMemoryHandle foreign_memory_handle; 128 base::SharedMemoryHandle foreign_memory_handle;
129 if (!entry->shared_memory.ShareToProcess(peer_handle(), 129 if (!entry->shared_memory.ShareToProcess(peer_handle(),
130 &foreign_memory_handle)) { 130 &foreign_memory_handle)) {
131 // If we failed to map and share the shared memory then close the audio 131 // If we failed to map and share the shared memory then close the audio
132 // stream and send an error message. 132 // stream and send an error message.
133 DeleteEntryOnError(entry); 133 DeleteEntryOnError(entry);
134 return; 134 return;
135 } 135 }
136 136
137 media::AudioInputSyncWriter* writer = 137 AudioInputSyncWriter* writer =
138 static_cast<media::AudioInputSyncWriter*>(entry->writer.get()); 138 static_cast<AudioInputSyncWriter*>(entry->writer.get());
139 139
140 #if defined(OS_WIN) 140 #if defined(OS_WIN)
141 base::SyncSocket::Handle foreign_socket_handle; 141 base::SyncSocket::Handle foreign_socket_handle;
142 #else 142 #else
143 base::FileDescriptor foreign_socket_handle; 143 base::FileDescriptor foreign_socket_handle;
144 #endif 144 #endif
145 145
146 // If we failed to prepare the sync socket for the renderer then we fail 146 // If we failed to prepare the sync socket for the renderer then we fail
147 // the construction of audio input stream. 147 // the construction of audio input stream.
148 if (!writer->PrepareForeignSocketHandle(peer_handle(), 148 if (!writer->PrepareForeignSocketHandle(peer_handle(),
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222 uint32 mem_size = sizeof(media::AudioInputBufferParameters) + buffer_size; 222 uint32 mem_size = sizeof(media::AudioInputBufferParameters) + buffer_size;
223 223
224 // Create the shared memory and share it with the renderer process 224 // Create the shared memory and share it with the renderer process
225 // using a new SyncWriter object. 225 // using a new SyncWriter object.
226 if (!entry->shared_memory.CreateAndMapAnonymous(mem_size)) { 226 if (!entry->shared_memory.CreateAndMapAnonymous(mem_size)) {
227 // If creation of shared memory failed then send an error message. 227 // If creation of shared memory failed then send an error message.
228 SendErrorMessage(stream_id); 228 SendErrorMessage(stream_id);
229 return; 229 return;
230 } 230 }
231 231
232 scoped_ptr<media::AudioInputSyncWriter> writer( 232 scoped_ptr<AudioInputSyncWriter> writer(
233 new media::AudioInputSyncWriter(&entry->shared_memory)); 233 new AudioInputSyncWriter(&entry->shared_memory));
234 234
235 if (!writer->Init()) { 235 if (!writer->Init()) {
236 SendErrorMessage(stream_id); 236 SendErrorMessage(stream_id);
237 return; 237 return;
238 } 238 }
239 239
240 // If we have successfully created the SyncWriter then assign it to the 240 // If we have successfully created the SyncWriter then assign it to the
241 // entry and construct an AudioInputController. 241 // entry and construct an AudioInputController.
242 // TODO(henrika): replace CreateLowLatency() with Create() as soon 242 // TODO(henrika): replace CreateLowLatency() with Create() as soon
243 // as satish has ensured that Speech Input also uses the default low- 243 // as satish has ensured that Speech Input also uses the default low-
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422 for (SessionEntryMap::iterator it = session_entries_.begin(); 422 for (SessionEntryMap::iterator it = session_entries_.begin();
423 it != session_entries_.end(); ++it) { 423 it != session_entries_.end(); ++it) {
424 if (stream_id == it->second) { 424 if (stream_id == it->second) {
425 return it->first; 425 return it->first;
426 } 426 }
427 } 427 }
428 return 0; 428 return 0;
429 } 429 }
430 430
431 } // namespace content 431 } // namespace content
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