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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/media/video_capture_impl_manager.h" | 5 #include "content/renderer/media/video_capture_impl_manager.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/stl_util.h" | 8 #include "base/stl_util.h" |
9 #include "content/renderer/media/video_capture_impl.h" | 9 #include "content/renderer/media/video_capture_impl.h" |
10 #include "content/renderer/media/video_capture_message_filter.h" | 10 #include "content/renderer/media/video_capture_message_filter.h" |
11 | 11 |
12 #if defined(ENABLE_WEBRTC) | |
13 #include "content/renderer/media/rtc_encoding_video_capturer_factory.h" | |
14 #endif | |
15 | |
16 namespace content { | 12 namespace content { |
17 | 13 |
18 VideoCaptureImplManager::VideoCaptureImplManager() | 14 VideoCaptureImplManager::VideoCaptureImplManager() |
19 : thread_("VC manager") { | 15 : thread_("VC manager") { |
20 thread_.Start(); | 16 thread_.Start(); |
21 message_loop_proxy_ = thread_.message_loop_proxy(); | 17 message_loop_proxy_ = thread_.message_loop_proxy(); |
22 filter_ = new VideoCaptureMessageFilter(); | 18 filter_ = new VideoCaptureMessageFilter(); |
23 } | 19 } |
24 | 20 |
25 media::VideoCapture* VideoCaptureImplManager::AddDevice( | 21 media::VideoCapture* VideoCaptureImplManager::AddDevice( |
26 media::VideoCaptureSessionId id, | 22 media::VideoCaptureSessionId id, |
27 media::VideoCapture::EventHandler* handler) { | 23 media::VideoCapture::EventHandler* handler) { |
28 DCHECK(handler); | 24 DCHECK(handler); |
29 | 25 |
30 base::AutoLock auto_lock(lock_); | 26 base::AutoLock auto_lock(lock_); |
31 Devices::iterator it = devices_.find(id); | 27 Devices::iterator it = devices_.find(id); |
32 if (it == devices_.end()) { | 28 if (it == devices_.end()) { |
33 VideoCaptureImpl* vc = | 29 VideoCaptureImpl* vc = |
34 new VideoCaptureImpl(id, message_loop_proxy_.get(), filter_.get()); | 30 new VideoCaptureImpl(id, message_loop_proxy_.get(), filter_.get()); |
35 devices_[id] = new Device(vc, handler); | 31 devices_[id] = new Device(vc, handler); |
36 vc->Init(); | 32 vc->Init(); |
37 | |
38 #if defined(ENABLE_WEBRTC) | |
39 if (encoding_capturer_factory_) | |
40 encoding_capturer_factory_->OnEncodedVideoSourceAdded(vc); | |
41 #endif | |
42 | |
43 return vc; | 33 return vc; |
44 } | 34 } |
45 | 35 |
46 devices_[id]->clients.push_front(handler); | 36 devices_[id]->clients.push_front(handler); |
47 return it->second->vc; | 37 return it->second->vc; |
48 } | 38 } |
49 | 39 |
50 void VideoCaptureImplManager::SuspendDevices(bool suspend) { | 40 void VideoCaptureImplManager::SuspendDevices(bool suspend) { |
51 base::AutoLock auto_lock(lock_); | 41 base::AutoLock auto_lock(lock_); |
52 for (Devices::iterator it = devices_.begin(); it != devices_.end(); ++it) | 42 for (Devices::iterator it = devices_.begin(); it != devices_.end(); ++it) |
53 it->second->vc->SuspendCapture(suspend); | 43 it->second->vc->SuspendCapture(suspend); |
54 } | 44 } |
55 | 45 |
56 void VideoCaptureImplManager::RemoveDevice( | 46 void VideoCaptureImplManager::RemoveDevice( |
57 media::VideoCaptureSessionId id, | 47 media::VideoCaptureSessionId id, |
58 media::VideoCapture::EventHandler* handler) { | 48 media::VideoCapture::EventHandler* handler) { |
59 DCHECK(handler); | 49 DCHECK(handler); |
60 | 50 |
61 base::AutoLock auto_lock(lock_); | 51 base::AutoLock auto_lock(lock_); |
62 Devices::iterator it = devices_.find(id); | 52 Devices::iterator it = devices_.find(id); |
63 if (it == devices_.end()) | 53 if (it == devices_.end()) |
64 return; | 54 return; |
65 | 55 |
66 size_t size = it->second->clients.size(); | 56 size_t size = it->second->clients.size(); |
67 it->second->clients.remove(handler); | 57 it->second->clients.remove(handler); |
68 | 58 |
69 if (size == it->second->clients.size() || size > 1) | 59 if (size == it->second->clients.size() || size > 1) |
70 return; | 60 return; |
71 | 61 |
72 #if defined(ENABLE_WEBRTC) | |
73 if (encoding_capturer_factory_) | |
74 encoding_capturer_factory_->OnEncodedVideoSourceRemoved(devices_[id]->vc); | |
75 #endif | |
76 | |
77 devices_[id]->vc->DeInit(base::Bind(&VideoCaptureImplManager::FreeDevice, | 62 devices_[id]->vc->DeInit(base::Bind(&VideoCaptureImplManager::FreeDevice, |
78 this, devices_[id]->vc)); | 63 this, devices_[id]->vc)); |
79 delete devices_[id]; | 64 delete devices_[id]; |
80 devices_.erase(id); | 65 devices_.erase(id); |
81 } | 66 } |
82 | 67 |
83 void VideoCaptureImplManager::FreeDevice(VideoCaptureImpl* vc) { | 68 void VideoCaptureImplManager::FreeDevice(VideoCaptureImpl* vc) { |
84 delete vc; | 69 delete vc; |
85 } | 70 } |
86 | 71 |
87 VideoCaptureImplManager::~VideoCaptureImplManager() { | 72 VideoCaptureImplManager::~VideoCaptureImplManager() { |
88 thread_.Stop(); | 73 thread_.Stop(); |
89 // TODO(wjia): uncomment the line below after collecting enough info for | 74 // TODO(wjia): uncomment the line below after collecting enough info for |
90 // crbug.com/152418. | 75 // crbug.com/152418. |
91 // STLDeleteContainerPairSecondPointers(devices_.begin(), devices_.end()); | 76 // STLDeleteContainerPairSecondPointers(devices_.begin(), devices_.end()); |
92 } | 77 } |
93 | 78 |
94 VideoCaptureImplManager::Device::Device( | 79 VideoCaptureImplManager::Device::Device( |
95 VideoCaptureImpl* device, | 80 VideoCaptureImpl* device, |
96 media::VideoCapture::EventHandler* handler) | 81 media::VideoCapture::EventHandler* handler) |
97 : vc(device) { | 82 : vc(device) { |
98 clients.push_front(handler); | 83 clients.push_front(handler); |
99 } | 84 } |
100 | 85 |
101 VideoCaptureImplManager::Device::~Device() {} | 86 VideoCaptureImplManager::Device::~Device() {} |
102 | 87 |
103 } // namespace content | 88 } // namespace content |
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