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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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/browser/renderer_host/media/video_capture_controller.h" | 5 #include "content/browser/renderer_host/media/video_capture_controller.h" |
| 6 | 6 |
| 7 #include "base/stl_util-inl.h" | 7 #include "base/stl_util-inl.h" |
| 8 #include "content/browser/browser_thread.h" | 8 #include "content/browser/browser_thread.h" |
| 9 #include "content/browser/renderer_host/media/media_stream_manager.h" |
| 9 #include "content/browser/renderer_host/media/video_capture_manager.h" | 10 #include "content/browser/renderer_host/media/video_capture_manager.h" |
| 10 #include "media/base/yuv_convert.h" | 11 #include "media/base/yuv_convert.h" |
| 11 | 12 |
| 12 // The number of TransportDIBs VideoCaptureController allocate. | 13 // The number of TransportDIBs VideoCaptureController allocate. |
| 13 static const size_t kNoOfDIBS = 3; | 14 static const size_t kNoOfDIBS = 3; |
| 14 | 15 |
| 15 VideoCaptureController::VideoCaptureController( | 16 VideoCaptureController::VideoCaptureController( |
| 16 const VideoCaptureControllerID& id, | 17 const VideoCaptureControllerID& id, |
| 17 base::ProcessHandle render_process, | 18 base::ProcessHandle render_process, |
| 18 VideoCaptureControllerEventHandler* event_handler) | 19 VideoCaptureControllerEventHandler* event_handler) |
| 19 : render_handle_(render_process), | 20 : render_handle_(render_process), |
| 20 report_ready_to_delete_(false), | 21 report_ready_to_delete_(false), |
| 21 event_handler_(event_handler), | 22 event_handler_(event_handler), |
| 22 id_(id) { | 23 id_(id) { |
| 23 memset(¶ms_, 0, sizeof(params_)); | 24 memset(¶ms_, 0, sizeof(params_)); |
| 24 } | 25 } |
| 25 | 26 |
| 26 VideoCaptureController::~VideoCaptureController() { | 27 VideoCaptureController::~VideoCaptureController() { |
| 27 // Delete all TransportDIBs. | 28 // Delete all TransportDIBs. |
| 28 STLDeleteContainerPairSecondPointers(owned_dibs_.begin(), | 29 STLDeleteContainerPairSecondPointers(owned_dibs_.begin(), |
| 29 owned_dibs_.end()); | 30 owned_dibs_.end()); |
| 30 } | 31 } |
| 31 | 32 |
| 32 void VideoCaptureController::StartCapture( | 33 void VideoCaptureController::StartCapture( |
| 33 const media::VideoCaptureParams& params) { | 34 const media::VideoCaptureParams& params) { |
| 34 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 35 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| 35 | 36 |
| 36 params_ = params; | 37 params_ = params; |
| 37 media_stream::VideoCaptureManager* manager = | 38 media_stream::VideoCaptureManager* manager = |
| 38 media_stream::VideoCaptureManager::Get(); | 39 media_stream::MediaStreamManager::Get()->GetVideoCaptureManager(); |
| 39 // Order the manager to start the actual capture. | 40 // Order the manager to start the actual capture. |
| 40 manager->Start(params, this); | 41 manager->Start(params, this); |
| 41 } | 42 } |
| 42 | 43 |
| 43 void VideoCaptureController::StopCapture(Task* stopped_task) { | 44 void VideoCaptureController::StopCapture(Task* stopped_task) { |
| 44 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 45 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| 45 | 46 |
| 46 media_stream::VideoCaptureManager* manager = | 47 media_stream::VideoCaptureManager* manager = |
| 47 media_stream::VideoCaptureManager::Get(); | 48 media_stream::MediaStreamManager::Get()->GetVideoCaptureManager(); |
| 48 manager->Stop(params_.session_id, | 49 manager->Stop(params_.session_id, |
| 49 NewRunnableMethod(this, | 50 NewRunnableMethod(this, |
| 50 &VideoCaptureController::OnDeviceStopped, | 51 &VideoCaptureController::OnDeviceStopped, |
| 51 stopped_task)); | 52 stopped_task)); |
| 52 } | 53 } |
| 53 | 54 |
| 54 void VideoCaptureController::ReturnBuffer(int buffer_id) { | 55 void VideoCaptureController::ReturnBuffer(int buffer_id) { |
| 55 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 56 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| 56 | 57 |
| 57 bool ready_to_delete; | 58 bool ready_to_delete; |
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| 149 } | 150 } |
| 150 default: | 151 default: |
| 151 NOTREACHED(); | 152 NOTREACHED(); |
| 152 } | 153 } |
| 153 | 154 |
| 154 event_handler_->OnBufferReady(id_, buffer_id, timestamp); | 155 event_handler_->OnBufferReady(id_, buffer_id, timestamp); |
| 155 } | 156 } |
| 156 | 157 |
| 157 void VideoCaptureController::OnError() { | 158 void VideoCaptureController::OnError() { |
| 158 event_handler_->OnError(id_); | 159 event_handler_->OnError(id_); |
| 159 media_stream::VideoCaptureManager::Get()->Error(params_.session_id); | 160 media_stream::MediaStreamManager::Get()->GetVideoCaptureManager()-> |
| 161 Error(params_.session_id); |
| 160 } | 162 } |
| 161 | 163 |
| 162 void VideoCaptureController::OnFrameInfo( | 164 void VideoCaptureController::OnFrameInfo( |
| 163 const media::VideoCaptureDevice::Capability& info) { | 165 const media::VideoCaptureDevice::Capability& info) { |
| 164 DCHECK(owned_dibs_.empty()); | 166 DCHECK(owned_dibs_.empty()); |
| 165 bool frames_created = true; | 167 bool frames_created = true; |
| 166 const size_t needed_size = (info.width * info.height * 3) / 2; | 168 const size_t needed_size = (info.width * info.height * 3) / 2; |
| 167 for (size_t i = 1; i <= kNoOfDIBS; ++i) { | 169 for (size_t i = 1; i <= kNoOfDIBS; ++i) { |
| 168 base::SharedMemory* shared_memory = new base::SharedMemory(); | 170 base::SharedMemory* shared_memory = new base::SharedMemory(); |
| 169 if (!shared_memory->CreateAndMapAnonymous(needed_size)) { | 171 if (!shared_memory->CreateAndMapAnonymous(needed_size)) { |
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| 204 } | 206 } |
| 205 | 207 |
| 206 if (ready_to_delete_now) { | 208 if (ready_to_delete_now) { |
| 207 event_handler_->OnReadyToDelete(id_); | 209 event_handler_->OnReadyToDelete(id_); |
| 208 } | 210 } |
| 209 if (stopped_task) { | 211 if (stopped_task) { |
| 210 stopped_task->Run(); | 212 stopped_task->Run(); |
| 211 delete stopped_task; | 213 delete stopped_task; |
| 212 } | 214 } |
| 213 } | 215 } |
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