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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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244 if (instance) | 244 if (instance) |
245 return instance->delegate(); | 245 return instance->delegate(); |
246 return NULL; | 246 return NULL; |
247 } | 247 } |
248 | 248 |
249 int32_t PepperVideoCaptureHost::OnOpen( | 249 int32_t PepperVideoCaptureHost::OnOpen( |
250 ppapi::host::HostMessageContext* context, | 250 ppapi::host::HostMessageContext* context, |
251 const std::string& device_id, | 251 const std::string& device_id, |
252 const PP_VideoCaptureDeviceInfo_Dev& requested_info, | 252 const PP_VideoCaptureDeviceInfo_Dev& requested_info, |
253 uint32_t buffer_count) { | 253 uint32_t buffer_count) { |
254 if (platform_video_capture_.get()) | 254 if (platform_video_capture_) |
255 return PP_ERROR_FAILED; | 255 return PP_ERROR_FAILED; |
256 | 256 |
257 webkit::ppapi::PluginDelegate* plugin_delegate = GetPluginDelegate(); | 257 webkit::ppapi::PluginDelegate* plugin_delegate = GetPluginDelegate(); |
258 if (!plugin_delegate) | 258 if (!plugin_delegate) |
259 return PP_ERROR_FAILED; | 259 return PP_ERROR_FAILED; |
260 | 260 |
261 SetRequestedInfo(requested_info, buffer_count); | 261 SetRequestedInfo(requested_info, buffer_count); |
262 | 262 |
263 platform_video_capture_ = | 263 platform_video_capture_ = |
264 plugin_delegate->CreateVideoCapture(device_id, this); | 264 plugin_delegate->CreateVideoCapture(device_id, this); |
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316 DCHECK(platform_video_capture_.get()); | 316 DCHECK(platform_video_capture_.get()); |
317 | 317 |
318 ReleaseBuffers(); | 318 ReleaseBuffers(); |
319 // It's safe to call this regardless it's capturing or not, because | 319 // It's safe to call this regardless it's capturing or not, because |
320 // PepperPlatformVideoCaptureImpl maintains the state. | 320 // PepperPlatformVideoCaptureImpl maintains the state. |
321 platform_video_capture_->StopCapture(this); | 321 platform_video_capture_->StopCapture(this); |
322 return PP_OK; | 322 return PP_OK; |
323 } | 323 } |
324 | 324 |
325 int32_t PepperVideoCaptureHost::Close() { | 325 int32_t PepperVideoCaptureHost::Close() { |
326 if (!platform_video_capture_.get()) | 326 if (!platform_video_capture_) |
327 return PP_OK; | 327 return PP_OK; |
328 | 328 |
329 StopCapture(); | 329 StopCapture(); |
330 DCHECK(buffers_.empty()); | 330 DCHECK(buffers_.empty()); |
331 DetachPlatformVideoCapture(); | 331 DetachPlatformVideoCapture(); |
332 return PP_OK; | 332 return PP_OK; |
333 } | 333 } |
334 | 334 |
335 void PepperVideoCaptureHost::ReleaseBuffers() { | 335 void PepperVideoCaptureHost::ReleaseBuffers() { |
336 ::ppapi::ResourceTracker* tracker = HostGlobals::Get()->GetResourceTracker(); | 336 ::ppapi::ResourceTracker* tracker = HostGlobals::Get()->GetResourceTracker(); |
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354 | 354 |
355 capability_.width = device_info.width; | 355 capability_.width = device_info.width; |
356 capability_.height = device_info.height; | 356 capability_.height = device_info.height; |
357 capability_.frame_rate = device_info.frames_per_second; | 357 capability_.frame_rate = device_info.frames_per_second; |
358 capability_.expected_capture_delay = 0; // Ignored. | 358 capability_.expected_capture_delay = 0; // Ignored. |
359 capability_.color = media::VideoCaptureCapability::kI420; | 359 capability_.color = media::VideoCaptureCapability::kI420; |
360 capability_.interlaced = false; // Ignored. | 360 capability_.interlaced = false; // Ignored. |
361 } | 361 } |
362 | 362 |
363 void PepperVideoCaptureHost::DetachPlatformVideoCapture() { | 363 void PepperVideoCaptureHost::DetachPlatformVideoCapture() { |
364 if (platform_video_capture_.get()) { | 364 if (platform_video_capture_) { |
365 platform_video_capture_->DetachEventHandler(); | 365 platform_video_capture_->DetachEventHandler(); |
366 platform_video_capture_ = NULL; | 366 platform_video_capture_ = NULL; |
367 } | 367 } |
368 } | 368 } |
369 | 369 |
370 bool PepperVideoCaptureHost::SetStatus(PP_VideoCaptureStatus_Dev status, | 370 bool PepperVideoCaptureHost::SetStatus(PP_VideoCaptureStatus_Dev status, |
371 bool forced) { | 371 bool forced) { |
372 if (!forced) { | 372 if (!forced) { |
373 switch (status) { | 373 switch (status) { |
374 case PP_VIDEO_CAPTURE_STATUS_STOPPED: | 374 case PP_VIDEO_CAPTURE_STATUS_STOPPED: |
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417 PepperVideoCaptureHost::BufferInfo::BufferInfo() | 417 PepperVideoCaptureHost::BufferInfo::BufferInfo() |
418 : in_use(false), | 418 : in_use(false), |
419 data(NULL), | 419 data(NULL), |
420 buffer() { | 420 buffer() { |
421 } | 421 } |
422 | 422 |
423 PepperVideoCaptureHost::BufferInfo::~BufferInfo() { | 423 PepperVideoCaptureHost::BufferInfo::~BufferInfo() { |
424 } | 424 } |
425 | 425 |
426 } // namespace content | 426 } // namespace content |
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