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Side by Side Diff: media/audio/virtual_audio_input_stream.cc

Issue 1897953003: Unmute Tab Audio For Desktop Share (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 8 months 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 "media/audio/virtual_audio_input_stream.h" 5 #include "media/audio/virtual_audio_input_stream.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <utility> 8 #include <utility>
9 9
10 #include "base/bind.h" 10 #include "base/bind.h"
(...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after
59 &VirtualAudioInputStream::PumpAudio, base::Unretained(this))); 59 &VirtualAudioInputStream::PumpAudio, base::Unretained(this)));
60 } 60 }
61 61
62 void VirtualAudioInputStream::Stop() { 62 void VirtualAudioInputStream::Stop() {
63 DCHECK(thread_checker_.CalledOnValidThread()); 63 DCHECK(thread_checker_.CalledOnValidThread());
64 fake_worker_.Stop(); 64 fake_worker_.Stop();
65 callback_ = NULL; 65 callback_ = NULL;
66 } 66 }
67 67
68 void VirtualAudioInputStream::AddOutputStream( 68 void VirtualAudioInputStream::AddOutputStream(
69 VirtualAudioOutputStream* stream, const AudioParameters& output_params) { 69 AudioConverter::InputCallback* stream,
70 const AudioParameters& output_params) {
70 DCHECK(thread_checker_.CalledOnValidThread()); 71 DCHECK(thread_checker_.CalledOnValidThread());
71 72
72 base::AutoLock scoped_lock(converter_network_lock_); 73 base::AutoLock scoped_lock(converter_network_lock_);
73 74
74 AudioConvertersMap::iterator converter = converters_.find(output_params); 75 AudioConvertersMap::iterator converter = converters_.find(output_params);
75 if (converter == converters_.end()) { 76 if (converter == converters_.end()) {
76 std::pair<AudioConvertersMap::iterator, bool> result = converters_.insert( 77 std::pair<AudioConvertersMap::iterator, bool> result = converters_.insert(
77 std::make_pair(output_params, new LoopbackAudioConverter( 78 std::make_pair(output_params, new LoopbackAudioConverter(
78 output_params, params_, false))); 79 output_params, params_, false)));
79 converter = result.first; 80 converter = result.first;
80 81
81 // Add to main mixer if we just added a new AudioTransform. 82 // Add to main mixer if we just added a new AudioTransform.
82 mixer_.AddInput(converter->second); 83 mixer_.AddInput(converter->second);
83 } 84 }
84 converter->second->AddInput(stream); 85 converter->second->AddInput(stream);
85 ++num_attached_output_streams_; 86 ++num_attached_output_streams_;
86 } 87 }
87 88
88 void VirtualAudioInputStream::RemoveOutputStream( 89 void VirtualAudioInputStream::RemoveOutputStream(
89 VirtualAudioOutputStream* stream, const AudioParameters& output_params) { 90 AudioConverter::InputCallback* stream,
91 const AudioParameters& output_params) {
90 DCHECK(thread_checker_.CalledOnValidThread()); 92 DCHECK(thread_checker_.CalledOnValidThread());
91 93
92 base::AutoLock scoped_lock(converter_network_lock_); 94 base::AutoLock scoped_lock(converter_network_lock_);
93 95
94 DCHECK(converters_.find(output_params) != converters_.end()); 96 DCHECK(converters_.find(output_params) != converters_.end());
95 converters_[output_params]->RemoveInput(stream); 97 converters_[output_params]->RemoveInput(stream);
96 98
97 --num_attached_output_streams_; 99 --num_attached_output_streams_;
98 DCHECK_LE(0, num_attached_output_streams_); 100 DCHECK_LE(0, num_attached_output_streams_);
99 } 101 }
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143 145
144 bool VirtualAudioInputStream::GetAutomaticGainControl() { 146 bool VirtualAudioInputStream::GetAutomaticGainControl() {
145 return false; 147 return false;
146 } 148 }
147 149
148 bool VirtualAudioInputStream::IsMuted() { 150 bool VirtualAudioInputStream::IsMuted() {
149 return false; 151 return false;
150 } 152 }
151 153
152 } // namespace media 154 } // namespace media
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