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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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