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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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/audio_manager_base.h" | 5 #include "media/audio/audio_manager_base.h" |
6 #include "media/audio/audio_output_proxy.h" | |
7 #include "media/audio/audio_output_dispatcher.h" | |
scherkus (not reviewing)
2010/11/22 06:43:15
dispatcher should come before proxy
Sergey Ulanov
2010/11/23 19:51:46
Done.
| |
8 | |
9 // CompareAudioParams is needed for map to use AudioParameters as a key. | |
10 bool AudioManagerBase::CompareAudioParams::operator()( | |
11 const AudioParameters& a, | |
12 const AudioParameters& b) const { | |
13 if (a.format < b.format) | |
14 return true; | |
15 if (a.format > b.format) | |
16 return false; | |
17 if (a.channels < b.channels) | |
18 return true; | |
19 if (a.channels > b.channels) | |
20 return false; | |
21 if (a.sample_rate < b.sample_rate) | |
22 return true; | |
23 if (a.sample_rate > b.sample_rate) | |
24 return false; | |
25 if (a.bits_per_sample < b.bits_per_sample) | |
26 return true; | |
27 if (a.bits_per_sample > b.bits_per_sample) | |
28 return false; | |
29 return a.samples_per_packet > b.samples_per_packet; | |
30 } | |
6 | 31 |
7 AudioManagerBase::AudioManagerBase() | 32 AudioManagerBase::AudioManagerBase() |
8 : audio_thread_("AudioThread"), | 33 : audio_thread_("AudioThread"), |
9 initialized_(false) { | 34 initialized_(false) { |
10 } | 35 } |
11 | 36 |
37 AudioManagerBase::~AudioManagerBase() { | |
38 } | |
39 | |
12 void AudioManagerBase::Init() { | 40 void AudioManagerBase::Init() { |
13 initialized_ = audio_thread_.Start(); | 41 initialized_ = audio_thread_.Start(); |
14 } | 42 } |
15 | 43 |
16 MessageLoop* AudioManagerBase::GetMessageLoop() { | 44 MessageLoop* AudioManagerBase::GetMessageLoop() { |
17 DCHECK(initialized_); | 45 DCHECK(initialized_); |
18 return audio_thread_.message_loop(); | 46 return audio_thread_.message_loop(); |
19 } | 47 } |
48 | |
49 AudioOutputStream* AudioManagerBase::MakeAudioOutputStreamProxy( | |
50 AudioParameters params) { | |
51 if (!initialized_) | |
52 return NULL; | |
53 | |
54 scoped_refptr<AudioOutputDispatcher>& dispatcher = | |
55 output_dispatchers_[params]; | |
scherkus (not reviewing)
2010/11/22 06:43:15
I tend to avoid using operator[] with map since it
Sergey Ulanov
2010/11/23 19:51:46
Yes, and it is desired behavior here.
scherkus (not reviewing)
2010/11/24 02:01:59
Thanks for explaining -- SGTM!
| |
56 if (!dispatcher) | |
57 dispatcher = new AudioOutputDispatcher(this, params); | |
58 | |
59 return new AudioOutputProxy(dispatcher); | |
60 } | |
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