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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 "webkit/plugins/ppapi/ppb_video_capture_impl.h" | 5 #include "webkit/plugins/ppapi/ppb_video_capture_impl.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "ppapi/c/dev/pp_video_capture_dev.h" | 11 #include "ppapi/c/dev/pp_video_capture_dev.h" |
12 #include "ppapi/c/dev/ppb_video_capture_dev.h" | 12 #include "ppapi/c/dev/ppb_video_capture_dev.h" |
13 #include "ppapi/c/pp_completion_callback.h" | 13 #include "ppapi/c/pp_completion_callback.h" |
14 #include "ppapi/c/pp_errors.h" | 14 #include "ppapi/c/pp_errors.h" |
15 #include "ppapi/shared_impl/ppapi_globals.h" | |
16 #include "ppapi/thunk/enter.h" | 15 #include "ppapi/thunk/enter.h" |
17 #include "webkit/plugins/ppapi/common.h" | 16 #include "webkit/plugins/ppapi/common.h" |
18 #include "webkit/plugins/ppapi/plugin_module.h" | 17 #include "webkit/plugins/ppapi/plugin_module.h" |
19 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h" | 18 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h" |
20 #include "webkit/plugins/ppapi/ppb_buffer_impl.h" | 19 #include "webkit/plugins/ppapi/ppb_buffer_impl.h" |
21 #include "webkit/plugins/ppapi/resource_helper.h" | 20 #include "webkit/plugins/ppapi/resource_helper.h" |
22 #include "webkit/plugins/ppapi/resource_tracker.h" | 21 #include "webkit/plugins/ppapi/resource_tracker.h" |
23 | 22 |
24 using ppapi::PpapiGlobals; | |
25 using ppapi::thunk::EnterResourceNoLock; | 23 using ppapi::thunk::EnterResourceNoLock; |
26 using ppapi::thunk::PPB_Buffer_API; | 24 using ppapi::thunk::PPB_Buffer_API; |
27 using ppapi::thunk::PPB_VideoCapture_API; | 25 using ppapi::thunk::PPB_VideoCapture_API; |
28 | 26 |
29 namespace { | 27 namespace { |
30 | 28 |
31 // Maximum number of buffers to actually allocate. | 29 // Maximum number of buffers to actually allocate. |
32 const uint32_t kMaxBuffers = 20; | 30 const uint32_t kMaxBuffers = 20; |
33 | 31 |
34 } // namespace | 32 } // namespace |
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260 if (!resources[i]) | 258 if (!resources[i]) |
261 break; | 259 break; |
262 | 260 |
263 EnterResourceNoLock<PPB_Buffer_API> enter(resources[i], true); | 261 EnterResourceNoLock<PPB_Buffer_API> enter(resources[i], true); |
264 DCHECK(enter.succeeded()); | 262 DCHECK(enter.succeeded()); |
265 | 263 |
266 BufferInfo info; | 264 BufferInfo info; |
267 info.buffer = static_cast<PPB_Buffer_Impl*>(enter.object()); | 265 info.buffer = static_cast<PPB_Buffer_Impl*>(enter.object()); |
268 info.data = info.buffer->Map(); | 266 info.data = info.buffer->Map(); |
269 if (!info.data) { | 267 if (!info.data) { |
270 PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(resources[i]); | 268 ResourceTracker::Get()->ReleaseResource(resources[i]); |
271 break; | 269 break; |
272 } | 270 } |
273 buffers_.push_back(info); | 271 buffers_.push_back(info); |
274 } | 272 } |
275 | 273 |
276 if (buffers_.empty()) { | 274 if (buffers_.empty()) { |
277 // We couldn't allocate/map buffers at all. Send an error and stop the | 275 // We couldn't allocate/map buffers at all. Send an error and stop the |
278 // capture. | 276 // capture. |
279 ppp_videocapture_->OnError(pp_instance(), pp_resource(), PP_ERROR_NOMEMORY); | 277 ppp_videocapture_->OnError(pp_instance(), pp_resource(), PP_ERROR_NOMEMORY); |
280 status_ = PP_VIDEO_CAPTURE_STATUS_STOPPING; | 278 status_ = PP_VIDEO_CAPTURE_STATUS_STOPPING; |
281 platform_video_capture_->StopCapture(this); | 279 platform_video_capture_->StopCapture(this); |
282 return; | 280 return; |
283 } | 281 } |
284 | 282 |
285 ppp_videocapture_->OnDeviceInfo(pp_instance(), pp_resource(), &info, | 283 ppp_videocapture_->OnDeviceInfo(pp_instance(), pp_resource(), &info, |
286 buffers_.size(), resources.get()); | 284 buffers_.size(), resources.get()); |
287 } | 285 } |
288 | 286 |
289 void PPB_VideoCapture_Impl::ReleaseBuffers() { | 287 void PPB_VideoCapture_Impl::ReleaseBuffers() { |
290 DCHECK(!is_dead_); | 288 DCHECK(!is_dead_); |
291 ::ppapi::ResourceTracker* tracker = PpapiGlobals::Get()->GetResourceTracker(); | 289 ResourceTracker *tracker = ResourceTracker::Get(); |
292 for (size_t i = 0; i < buffers_.size(); ++i) { | 290 for (size_t i = 0; i < buffers_.size(); ++i) { |
293 buffers_[i].buffer->Unmap(); | 291 buffers_[i].buffer->Unmap(); |
294 tracker->ReleaseResource(buffers_[i].buffer->pp_resource()); | 292 tracker->ReleaseResource(buffers_[i].buffer->pp_resource()); |
295 } | 293 } |
296 buffers_.clear(); | 294 buffers_.clear(); |
297 } | 295 } |
298 | 296 |
299 void PPB_VideoCapture_Impl::SendStatus() { | 297 void PPB_VideoCapture_Impl::SendStatus() { |
300 DCHECK(!is_dead_); | 298 DCHECK(!is_dead_); |
301 ppp_videocapture_->OnStatus(pp_instance(), pp_resource(), status_); | 299 ppp_videocapture_->OnStatus(pp_instance(), pp_resource(), status_); |
302 } | 300 } |
303 | 301 |
304 PPB_VideoCapture_Impl::BufferInfo::BufferInfo() | 302 PPB_VideoCapture_Impl::BufferInfo::BufferInfo() |
305 : in_use(false), | 303 : in_use(false), |
306 data(NULL), | 304 data(NULL), |
307 buffer() { | 305 buffer() { |
308 } | 306 } |
309 | 307 |
310 PPB_VideoCapture_Impl::BufferInfo::~BufferInfo() { | 308 PPB_VideoCapture_Impl::BufferInfo::~BufferInfo() { |
311 } | 309 } |
312 | 310 |
313 } // namespace ppapi | 311 } // namespace ppapi |
314 } // namespace webkit | 312 } // namespace webkit |
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