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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_video_capture_host.h" | 5 #include "content/renderer/pepper/pepper_video_capture_host.h" |
6 | 6 |
7 #include "ppapi/host/dispatch_host_message.h" | 7 #include "ppapi/host/dispatch_host_message.h" |
8 #include "ppapi/host/ppapi_host.h" | 8 #include "ppapi/host/ppapi_host.h" |
9 #include "ppapi/proxy/host_dispatcher.h" | 9 #include "ppapi/proxy/host_dispatcher.h" |
10 #include "ppapi/proxy/ppapi_messages.h" | 10 #include "ppapi/proxy/ppapi_messages.h" |
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243 if (instance) | 243 if (instance) |
244 return instance->delegate(); | 244 return instance->delegate(); |
245 return NULL; | 245 return NULL; |
246 } | 246 } |
247 | 247 |
248 int32_t PepperVideoCaptureHost::OnOpen( | 248 int32_t PepperVideoCaptureHost::OnOpen( |
249 ppapi::host::HostMessageContext* context, | 249 ppapi::host::HostMessageContext* context, |
250 const std::string& device_id, | 250 const std::string& device_id, |
251 const PP_VideoCaptureDeviceInfo_Dev& requested_info, | 251 const PP_VideoCaptureDeviceInfo_Dev& requested_info, |
252 uint32_t buffer_count) { | 252 uint32_t buffer_count) { |
253 if (platform_video_capture_) | 253 if (platform_video_capture_.get()) |
254 return PP_ERROR_FAILED; | 254 return PP_ERROR_FAILED; |
255 | 255 |
256 webkit::ppapi::PluginDelegate* plugin_delegate = GetPluginDelegate(); | 256 webkit::ppapi::PluginDelegate* plugin_delegate = GetPluginDelegate(); |
257 if (!plugin_delegate) | 257 if (!plugin_delegate) |
258 return PP_ERROR_FAILED; | 258 return PP_ERROR_FAILED; |
259 | 259 |
260 SetRequestedInfo(requested_info, buffer_count); | 260 SetRequestedInfo(requested_info, buffer_count); |
261 | 261 |
262 platform_video_capture_ = | 262 platform_video_capture_ = |
263 plugin_delegate->CreateVideoCapture(device_id, this); | 263 plugin_delegate->CreateVideoCapture(device_id, this); |
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315 DCHECK(platform_video_capture_.get()); | 315 DCHECK(platform_video_capture_.get()); |
316 | 316 |
317 ReleaseBuffers(); | 317 ReleaseBuffers(); |
318 // It's safe to call this regardless it's capturing or not, because | 318 // It's safe to call this regardless it's capturing or not, because |
319 // PepperPlatformVideoCaptureImpl maintains the state. | 319 // PepperPlatformVideoCaptureImpl maintains the state. |
320 platform_video_capture_->StopCapture(this); | 320 platform_video_capture_->StopCapture(this); |
321 return PP_OK; | 321 return PP_OK; |
322 } | 322 } |
323 | 323 |
324 int32_t PepperVideoCaptureHost::Close() { | 324 int32_t PepperVideoCaptureHost::Close() { |
325 if (!platform_video_capture_) | 325 if (!platform_video_capture_.get()) |
326 return PP_OK; | 326 return PP_OK; |
327 | 327 |
328 StopCapture(); | 328 StopCapture(); |
329 DCHECK(buffers_.empty()); | 329 DCHECK(buffers_.empty()); |
330 DetachPlatformVideoCapture(); | 330 DetachPlatformVideoCapture(); |
331 return PP_OK; | 331 return PP_OK; |
332 } | 332 } |
333 | 333 |
334 void PepperVideoCaptureHost::ReleaseBuffers() { | 334 void PepperVideoCaptureHost::ReleaseBuffers() { |
335 ::ppapi::ResourceTracker* tracker = HostGlobals::Get()->GetResourceTracker(); | 335 ::ppapi::ResourceTracker* tracker = HostGlobals::Get()->GetResourceTracker(); |
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353 | 353 |
354 capability_.width = device_info.width; | 354 capability_.width = device_info.width; |
355 capability_.height = device_info.height; | 355 capability_.height = device_info.height; |
356 capability_.frame_rate = device_info.frames_per_second; | 356 capability_.frame_rate = device_info.frames_per_second; |
357 capability_.expected_capture_delay = 0; // Ignored. | 357 capability_.expected_capture_delay = 0; // Ignored. |
358 capability_.color = media::VideoCaptureCapability::kI420; | 358 capability_.color = media::VideoCaptureCapability::kI420; |
359 capability_.interlaced = false; // Ignored. | 359 capability_.interlaced = false; // Ignored. |
360 } | 360 } |
361 | 361 |
362 void PepperVideoCaptureHost::DetachPlatformVideoCapture() { | 362 void PepperVideoCaptureHost::DetachPlatformVideoCapture() { |
363 if (platform_video_capture_) { | 363 if (platform_video_capture_.get()) { |
364 platform_video_capture_->DetachEventHandler(); | 364 platform_video_capture_->DetachEventHandler(); |
365 platform_video_capture_ = NULL; | 365 platform_video_capture_ = NULL; |
366 } | 366 } |
367 } | 367 } |
368 | 368 |
369 bool PepperVideoCaptureHost::SetStatus(PP_VideoCaptureStatus_Dev status, | 369 bool PepperVideoCaptureHost::SetStatus(PP_VideoCaptureStatus_Dev status, |
370 bool forced) { | 370 bool forced) { |
371 if (!forced) { | 371 if (!forced) { |
372 switch (status) { | 372 switch (status) { |
373 case PP_VIDEO_CAPTURE_STATUS_STOPPED: | 373 case PP_VIDEO_CAPTURE_STATUS_STOPPED: |
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416 PepperVideoCaptureHost::BufferInfo::BufferInfo() | 416 PepperVideoCaptureHost::BufferInfo::BufferInfo() |
417 : in_use(false), | 417 : in_use(false), |
418 data(NULL), | 418 data(NULL), |
419 buffer() { | 419 buffer() { |
420 } | 420 } |
421 | 421 |
422 PepperVideoCaptureHost::BufferInfo::~BufferInfo() { | 422 PepperVideoCaptureHost::BufferInfo::~BufferInfo() { |
423 } | 423 } |
424 | 424 |
425 } // namespace content | 425 } // namespace content |
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