MediaStream Image Capture (2): Platform::ImageCaptureFrameGrabber and grabFrame()

content/renderer/renderer_blink_platform_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/renderer_blink_platform_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 46 matching lines @@
 #include "content/renderer/device_sensors/device_motion_event_pump.h"
 #include "content/renderer/device_sensors/device_orientation_absolute_event_pump.h"
 #include "content/renderer/device_sensors/device_orientation_event_pump.h"
 #include "content/renderer/dom_storage/local_storage_cached_areas.h"
 #include "content/renderer/dom_storage/local_storage_namespace.h"
 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
 #include "content/renderer/gamepad_shared_memory_reader.h"
 #include "content/renderer/media/audio_decoder.h"
 #include "content/renderer/media/canvas_capture_handler.h"
 #include "content/renderer/media/html_video_element_capturer_source.h"
+#include "content/renderer/media/image_capture_frame_grabber.h"
 #include "content/renderer/media/media_recorder_handler.h"
 #include "content/renderer/media/renderer_webaudiodevice_impl.h"
 #include "content/renderer/media/renderer_webmidiaccessor_impl.h"
 #include "content/renderer/media/rtc_certificate_generator.h"
 #include "content/renderer/mojo/blink_service_registry_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/renderer_clipboard_delegate.h"
 #include "content/renderer/screen_orientation/screen_orientation_observer.h"
 #include "content/renderer/webclipboard_impl.h"
 #include "content/renderer/webgraphicscontext3d_provider_impl.h"
@@ skipping 66 matching lines @@
 using blink::Platform;
 using blink::WebAudioDevice;
 using blink::WebBlobRegistry;
 using blink::WebCanvasCaptureHandler;
 using blink::WebDatabaseObserver;
 using blink::WebFileInfo;
 using blink::WebFileSystem;
 using blink::WebGamepad;
 using blink::WebGamepads;
 using blink::WebIDBFactory;
+using blink::WebImageCaptureFrameGrabber;
 using blink::WebMIDIAccessor;
 using blink::WebMediaPlayer;
 using blink::WebMediaRecorderHandler;
 using blink::WebMediaStream;
 using blink::WebMediaStreamCenter;
 using blink::WebMediaStreamCenterClient;
 using blink::WebMediaStreamTrack;
 using blink::WebMimeRegistry;
 using blink::WebRTCPeerConnectionHandler;
 using blink::WebRTCPeerConnectionHandlerClient;
@@ skipping 789 matching lines @@
           web_media_player,
           content::RenderThread::Get()->GetIOMessageLoopProxy()),
       false,  // is_remote
       false,  // is_readonly
       web_media_stream);
 #endif
 }
 
 //------------------------------------------------------------------------------
 
+WebImageCaptureFrameGrabber*
+RendererBlinkPlatformImpl::createImageCaptureFrameGrabber() {
+#if defined(ENABLE_WEBRTC)
+  return new ImageCaptureFrameGrabber();
+#else
+  return nullptr;
+#endif  // defined(ENABLE_WEBRTC)
+}
+
+//------------------------------------------------------------------------------
+
 blink::WebSpeechSynthesizer* RendererBlinkPlatformImpl::createSpeechSynthesizer(
     blink::WebSpeechSynthesizerClient* client) {
   return GetContentClient()->renderer()->OverrideSpeechSynthesizer(client);
 }
 
 //------------------------------------------------------------------------------
 
 static void Collect3DContextInformationOnFailure(
     blink::Platform::GraphicsInfo* gl_info,
     gpu::GpuChannelHost* host) {
@@ skipping 318 matching lines @@
 }
 
 //------------------------------------------------------------------------------
 
 blink::WebTrialTokenValidator*
 RendererBlinkPlatformImpl::trialTokenValidator() {
   return &trial_token_validator_;
 }
 
 }  // namespace content