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Side by Side Diff: content/renderer/media/audio_renderer_impl.h

Issue 7003053: Moves audio files from content\renderer\ to content\renderer\media. (Closed) Base URL: http://src.chromium.org/svn/trunk/src/
Patch Set: Created 9 years, 6 months ago
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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 // Audio rendering unit utilizing audio output stream provided by browser 5 // Audio rendering unit utilizing audio output stream provided by browser
6 // process through IPC. 6 // process through IPC.
7 // 7 //
8 // Relationship of classes. 8 // Relationship of classes.
9 // 9 //
10 // AudioRendererHost AudioRendererImpl 10 // AudioRendererHost AudioRendererImpl
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27 // This class lives inside three threads during it's lifetime, namely: 27 // This class lives inside three threads during it's lifetime, namely:
28 // 1. IO thread. 28 // 1. IO thread.
29 // The thread within which this class receives all the IPC messages and 29 // The thread within which this class receives all the IPC messages and
30 // IPC communications can only happen in this thread. 30 // IPC communications can only happen in this thread.
31 // 2. Pipeline thread 31 // 2. Pipeline thread
32 // Initialization of filter and proper stopping of filters happens here. 32 // Initialization of filter and proper stopping of filters happens here.
33 // Properties of this filter is also set in this thread. 33 // Properties of this filter is also set in this thread.
34 // 3. Audio decoder thread (If there's one.) 34 // 3. Audio decoder thread (If there's one.)
35 // Responsible for decoding audio data and gives raw PCM data to this object. 35 // Responsible for decoding audio data and gives raw PCM data to this object.
36 36
37 #ifndef CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_IMPL_H_ 37 #ifndef CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_IMPL_H_
scherkus (not reviewing) 2011/06/13 18:15:45 update header guard
38 #define CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_IMPL_H_ 38 #define CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_IMPL_H_
39 #pragma once 39 #pragma once
40 40
41 #include "base/gtest_prod_util.h" 41 #include "base/gtest_prod_util.h"
42 #include "base/memory/scoped_ptr.h" 42 #include "base/memory/scoped_ptr.h"
43 #include "base/message_loop.h" 43 #include "base/message_loop.h"
44 #include "base/shared_memory.h" 44 #include "base/shared_memory.h"
45 #include "base/synchronization/lock.h" 45 #include "base/synchronization/lock.h"
46 #include "content/renderer/audio_message_filter.h" 46 #include "content/renderer/media/audio_message_filter.h"
47 #include "media/audio/audio_io.h" 47 #include "media/audio/audio_io.h"
48 #include "media/audio/audio_manager.h" 48 #include "media/audio/audio_manager.h"
49 #include "media/base/filters.h" 49 #include "media/base/filters.h"
50 #include "media/filters/audio_renderer_base.h" 50 #include "media/filters/audio_renderer_base.h"
51 51
52 class AudioMessageFilter; 52 class AudioMessageFilter;
53 53
54 class AudioRendererImpl : public media::AudioRendererBase, 54 class AudioRendererImpl : public media::AudioRendererBase,
55 public AudioMessageFilter::Delegate, 55 public AudioMessageFilter::Delegate,
56 public MessageLoop::DestructionObserver { 56 public MessageLoop::DestructionObserver {
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147 // State variables for prerolling. 147 // State variables for prerolling.
148 bool prerolling_; 148 bool prerolling_;
149 149
150 // Remaining bytes for prerolling to complete. 150 // Remaining bytes for prerolling to complete.
151 uint32 preroll_bytes_; 151 uint32 preroll_bytes_;
152 152
153 DISALLOW_COPY_AND_ASSIGN(AudioRendererImpl); 153 DISALLOW_COPY_AND_ASSIGN(AudioRendererImpl);
154 }; 154 };
155 155
156 #endif // CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_IMPL_H_ 156 #endif // CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_IMPL_H_
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