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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/renderer/pepper/pepper_platform_audio_output_impl.h" | 5 #include "content/renderer/pepper/pepper_platform_audio_output_impl.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/message_loop_proxy.h" | 10 #include "base/message_loop_proxy.h" |
11 #include "build/build_config.h" | 11 #include "build/build_config.h" |
12 #include "content/common/child_process.h" | 12 #include "content/common/child_process.h" |
13 #include "content/common/media/audio_messages.h" | 13 #include "content/common/media/audio_messages.h" |
14 #include "content/renderer/media/audio_hardware.h" | 14 #include "content/renderer/media/audio_hardware.h" |
15 #include "content/renderer/media/audio_message_filter.h" | 15 #include "content/renderer/media/audio_message_filter.h" |
16 #include "content/renderer/render_thread_impl.h" | 16 #include "content/renderer/render_thread_impl.h" |
17 #include "media/base/media_switches.h" | 17 #include "media/base/media_switches.h" |
18 | 18 |
19 namespace content { | 19 namespace content { |
20 | 20 |
21 // static | 21 // static |
22 PepperPlatformAudioOutputImpl* PepperPlatformAudioOutputImpl::Create( | 22 PepperPlatformAudioOutputImpl* PepperPlatformAudioOutputImpl::Create( |
23 int render_view_id, | |
23 int sample_rate, | 24 int sample_rate, |
24 int frames_per_buffer, | 25 int frames_per_buffer, |
25 webkit::ppapi::PluginDelegate::PlatformAudioOutputClient* client) { | 26 webkit::ppapi::PluginDelegate::PlatformAudioOutputClient* client) { |
26 scoped_refptr<PepperPlatformAudioOutputImpl> audio_output( | 27 scoped_refptr<PepperPlatformAudioOutputImpl> audio_output( |
27 new PepperPlatformAudioOutputImpl()); | 28 new PepperPlatformAudioOutputImpl(render_view_id)); |
28 if (audio_output->Initialize(sample_rate, frames_per_buffer, client)) { | 29 if (audio_output->Initialize(sample_rate, frames_per_buffer, client)) { |
29 // Balanced by Release invoked in | 30 // Balanced by Release invoked in |
30 // PepperPlatformAudioOutputImpl::ShutDownOnIOThread(). | 31 // PepperPlatformAudioOutputImpl::ShutDownOnIOThread(). |
31 return audio_output.release(); | 32 return audio_output.release(); |
32 } | 33 } |
33 return NULL; | 34 return NULL; |
34 } | 35 } |
35 | 36 |
36 bool PepperPlatformAudioOutputImpl::StartPlayback() { | 37 bool PepperPlatformAudioOutputImpl::StartPlayback() { |
37 if (ipc_) { | 38 if (ipc_.get()) { |
tommi (sloooow) - chröme
2012/10/17 18:40:06
nit: I don't think we need to call .get() like thi
miu
2012/10/17 20:10:44
Done.
| |
38 ChildProcess::current()->io_message_loop()->PostTask( | 39 ChildProcess::current()->io_message_loop()->PostTask( |
39 FROM_HERE, | 40 FROM_HERE, |
40 base::Bind(&PepperPlatformAudioOutputImpl::StartPlaybackOnIOThread, | 41 base::Bind(&PepperPlatformAudioOutputImpl::StartPlaybackOnIOThread, |
41 this)); | 42 this)); |
42 return true; | 43 return true; |
43 } | 44 } |
44 return false; | 45 return false; |
45 } | 46 } |
46 | 47 |
47 bool PepperPlatformAudioOutputImpl::StopPlayback() { | 48 bool PepperPlatformAudioOutputImpl::StopPlayback() { |
48 if (ipc_) { | 49 if (ipc_.get()) { |
49 ChildProcess::current()->io_message_loop()->PostTask( | 50 ChildProcess::current()->io_message_loop()->PostTask( |
50 FROM_HERE, | 51 FROM_HERE, |
51 base::Bind(&PepperPlatformAudioOutputImpl::StopPlaybackOnIOThread, | 52 base::Bind(&PepperPlatformAudioOutputImpl::StopPlaybackOnIOThread, |
52 this)); | 53 this)); |
53 return true; | 54 return true; |
54 } | 55 } |
55 return false; | 56 return false; |
56 } | 57 } |
57 | 58 |
58 void PepperPlatformAudioOutputImpl::ShutDown() { | 59 void PepperPlatformAudioOutputImpl::ShutDown() { |
(...skipping 28 matching lines...) Expand all Loading... | |
87 if (client_) | 88 if (client_) |
88 client_->StreamCreated(handle, length, socket_handle); | 89 client_->StreamCreated(handle, length, socket_handle); |
89 } else { | 90 } else { |
90 main_message_loop_proxy_->PostTask(FROM_HERE, | 91 main_message_loop_proxy_->PostTask(FROM_HERE, |
91 base::Bind(&PepperPlatformAudioOutputImpl::OnStreamCreated, this, | 92 base::Bind(&PepperPlatformAudioOutputImpl::OnStreamCreated, this, |
92 handle, socket_handle, length)); | 93 handle, socket_handle, length)); |
93 } | 94 } |
94 } | 95 } |
95 | 96 |
96 void PepperPlatformAudioOutputImpl::OnIPCClosed() { | 97 void PepperPlatformAudioOutputImpl::OnIPCClosed() { |
97 ipc_ = NULL; | 98 ipc_.reset(); |
98 } | 99 } |
99 | 100 |
100 PepperPlatformAudioOutputImpl::~PepperPlatformAudioOutputImpl() { | 101 PepperPlatformAudioOutputImpl::~PepperPlatformAudioOutputImpl() { |
101 // Make sure we have been shut down. Warning: this will usually happen on | 102 // Make sure we have been shut down. Warning: this will usually happen on |
102 // the I/O thread! | 103 // the I/O thread! |
103 DCHECK_EQ(0, stream_id_); | 104 DCHECK_EQ(0, stream_id_); |
104 DCHECK(!client_); | 105 DCHECK(!client_); |
105 } | 106 } |
106 | 107 |
107 PepperPlatformAudioOutputImpl::PepperPlatformAudioOutputImpl() | 108 PepperPlatformAudioOutputImpl::PepperPlatformAudioOutputImpl(int render_view_id) |
108 : client_(NULL), | 109 : client_(NULL), |
109 stream_id_(0), | 110 stream_id_(0), |
110 main_message_loop_proxy_(base::MessageLoopProxy::current()) { | 111 main_message_loop_proxy_(base::MessageLoopProxy::current()) { |
111 ipc_ = RenderThreadImpl::current()->audio_message_filter(); | 112 ipc_.reset(RenderThreadImpl::current()->audio_message_filter()-> |
113 CreateAudioOutputIPC(render_view_id)); | |
112 } | 114 } |
113 | 115 |
114 bool PepperPlatformAudioOutputImpl::Initialize( | 116 bool PepperPlatformAudioOutputImpl::Initialize( |
115 int sample_rate, | 117 int sample_rate, |
116 int frames_per_buffer, | 118 int frames_per_buffer, |
117 webkit::ppapi::PluginDelegate::PlatformAudioOutputClient* client) { | 119 webkit::ppapi::PluginDelegate::PlatformAudioOutputClient* client) { |
118 DCHECK(client); | 120 DCHECK(client); |
119 // Make sure we don't call init more than once. | 121 // Make sure we don't call init more than once. |
120 DCHECK_EQ(0, stream_id_); | 122 DCHECK_EQ(0, stream_id_); |
121 | 123 |
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
172 | 174 |
173 ipc_->CloseStream(stream_id_); | 175 ipc_->CloseStream(stream_id_); |
174 ipc_->RemoveDelegate(stream_id_); | 176 ipc_->RemoveDelegate(stream_id_); |
175 stream_id_ = 0; | 177 stream_id_ = 0; |
176 | 178 |
177 Release(); // Release for the delegate, balances out the reference taken in | 179 Release(); // Release for the delegate, balances out the reference taken in |
178 // PepperPluginDelegateImpl::CreateAudio. | 180 // PepperPluginDelegateImpl::CreateAudio. |
179 } | 181 } |
180 | 182 |
181 } // namespace content | 183 } // namespace content |
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