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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 "chrome/browser/renderer_host/audio_renderer_host.h" | 5 #include "content/browser/renderer_host/audio_renderer_host.h" |
6 | 6 |
7 #include "base/metrics/histogram.h" | 7 #include "base/metrics/histogram.h" |
8 #include "base/process.h" | 8 #include "base/process.h" |
9 #include "base/shared_memory.h" | 9 #include "base/shared_memory.h" |
10 #include "chrome/browser/renderer_host/audio_sync_reader.h" | |
11 #include "chrome/common/render_messages.h" | 10 #include "chrome/common/render_messages.h" |
12 #include "chrome/common/render_messages_params.h" | 11 #include "chrome/common/render_messages_params.h" |
| 12 #include "content/browser/renderer_host/audio_sync_reader.h" |
13 #include "ipc/ipc_logging.h" | 13 #include "ipc/ipc_logging.h" |
14 | 14 |
15 // The minimum number of samples in a hardware packet. | 15 // The minimum number of samples in a hardware packet. |
16 // This value is selected so that we can handle down to 5khz sample rate. | 16 // This value is selected so that we can handle down to 5khz sample rate. |
17 static const int kMinSamplesPerHardwarePacket = 1024; | 17 static const int kMinSamplesPerHardwarePacket = 1024; |
18 | 18 |
19 // The maximum number of samples in a hardware packet. | 19 // The maximum number of samples in a hardware packet. |
20 // This value is selected so that we can handle up to 192khz sample rate. | 20 // This value is selected so that we can handle up to 192khz sample rate. |
21 static const int kMaxSamplesPerHardwarePacket = 64 * 1024; | 21 static const int kMaxSamplesPerHardwarePacket = 64 * 1024; |
22 | 22 |
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471 | 471 |
472 // Iterate the map of entries. | 472 // Iterate the map of entries. |
473 // TODO(hclam): Implement a faster look up method. | 473 // TODO(hclam): Implement a faster look up method. |
474 for (AudioEntryMap::iterator i = audio_entries_.begin(); | 474 for (AudioEntryMap::iterator i = audio_entries_.begin(); |
475 i != audio_entries_.end(); ++i) { | 475 i != audio_entries_.end(); ++i) { |
476 if (!i->second->pending_close && controller == i->second->controller.get()) | 476 if (!i->second->pending_close && controller == i->second->controller.get()) |
477 return i->second; | 477 return i->second; |
478 } | 478 } |
479 return NULL; | 479 return NULL; |
480 } | 480 } |
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