Proxy RtcVideoDecoder calls to a media::VideoDecoder.

content/renderer/media/webrtc/peer_connection_dependency_factory.cc

 // Copyright 2014 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/media/webrtc/peer_connection_dependency_factory.h"
 
 #include <stddef.h>
 
 #include <utility>
 #include <vector>
@@ skipping 33 matching lines @@
 #include "content/renderer/p2p/empty_network_manager.h"
 #include "content/renderer/p2p/filtering_network_manager.h"
 #include "content/renderer/p2p/ipc_network_manager.h"
 #include "content/renderer/p2p/ipc_socket_factory.h"
 #include "content/renderer/p2p/port_allocator.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "crypto/openssl_util.h"
 #include "jingle/glue/thread_wrapper.h"
+#include "media/base/media_log.h"
 #include "media/base/media_permission.h"
 #include "media/filters/ffmpeg_glue.h"
+#include "media/filters/gpu_video_decoder.h"
 #include "media/renderers/gpu_video_accelerator_factories.h"
 #include "third_party/WebKit/public/platform/WebMediaConstraints.h"
 #include "third_party/WebKit/public/platform/WebMediaStream.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/webrtc/api/mediaconstraintsinterface.h"
 #include "third_party/webrtc/api/videosourceproxy.h"
@@ skipping 24 matching lines @@
   if (preference == kWebRTCIPHandlingDisableNonProxiedUdp)
     return DISABLE_NON_PROXIED_UDP;
   return DEFAULT;
 }
 
 bool IsValidPortRange(uint16_t min_port, uint16_t max_port) {
   DCHECK(min_port <= max_port);
   return min_port != 0 && max_port != 0;
 }
 
+std::unique_ptr<media::VideoDecoder> CreateGpuVideoDecoder(
+    media::GpuVideoAcceleratorFactories* gpu_factories) {
+  return std::unique_ptr<media::VideoDecoder>(new media::GpuVideoDecoder(
+      gpu_factories, media::RequestSurfaceCB(), new media::MediaLog()));
+}
+
 }  // namespace
 
 PeerConnectionDependencyFactory::PeerConnectionDependencyFactory(
     P2PSocketDispatcher* p2p_socket_dispatcher)
     : network_manager_(NULL),
       p2p_socket_dispatcher_(p2p_socket_dispatcher),
       signaling_thread_(NULL),
       worker_thread_(NULL),
       chrome_signaling_thread_("Chrome_libJingle_Signaling"),
       chrome_worker_thread_("Chrome_libJingle_WorkerThread") {
@@ skipping 88 matching lines @@
   // Init SSL, which will be needed by PeerConnection.
   if (!rtc::InitializeSSL()) {
     LOG(ERROR) << "Failed on InitializeSSL.";
     NOTREACHED();
     return;
   }
 
   base::WaitableEvent start_signaling_event(
       base::WaitableEvent::ResetPolicy::MANUAL,
       base::WaitableEvent::InitialState::NOT_SIGNALED);
+
+  media::GpuVideoAcceleratorFactories* gpu_factories =

[emircan, 2016/10/20 17:52:25]

media::GpuVideoAcceleratorFactories* const
Also, const auto below.

[slan, 2016/10/25 21:25:32]

Done.

+      RenderThreadImpl::current()->GetGpuFactories();
+  auto create_video_decoder_cb =
+      base::Bind(&CreateGpuVideoDecoder, gpu_factories);
+  auto decoder_task_runner = gpu_factories->GetTaskRunner();
+
   chrome_signaling_thread_.task_runner()->PostTask(
       FROM_HERE,
       base::Bind(&PeerConnectionDependencyFactory::InitializeSignalingThread,
-                 base::Unretained(this),
-                 RenderThreadImpl::current()->GetGpuFactories(),
-                 &start_signaling_event));
+                 base::Unretained(this), gpu_factories, create_video_decoder_cb,
+                 decoder_task_runner, &start_signaling_event));
 
   start_signaling_event.Wait();
   CHECK(signaling_thread_);
 }
 
 void PeerConnectionDependencyFactory::InitializeSignalingThread(
     media::GpuVideoAcceleratorFactories* gpu_factories,
+    const CreateVideoDecoderCB& create_video_decoder_cb,
+    const scoped_refptr<base::SingleThreadTaskRunner>& decoder_task_runner,
     base::WaitableEvent* event) {
   DCHECK(chrome_signaling_thread_.task_runner()->BelongsToCurrentThread());
   DCHECK(worker_thread_);
   DCHECK(p2p_socket_dispatcher_.get());
 
   jingle_glue::JingleThreadWrapper::EnsureForCurrentMessageLoop();
   jingle_glue::JingleThreadWrapper::current()->set_send_allowed(true);
   signaling_thread_ = jingle_glue::JingleThreadWrapper::current();
 
   socket_factory_.reset(
       new IpcPacketSocketFactory(p2p_socket_dispatcher_.get()));
 
   std::unique_ptr<cricket::WebRtcVideoDecoderFactory> decoder_factory;
   std::unique_ptr<cricket::WebRtcVideoEncoderFactory> encoder_factory;
 
   const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
   if (gpu_factories && gpu_factories->IsGpuVideoAcceleratorEnabled()) {
     if (!cmd_line->HasSwitch(switches::kDisableWebRtcHWDecoding))
-      decoder_factory.reset(new RTCVideoDecoderFactory(gpu_factories));
+      decoder_factory.reset(new RTCVideoDecoderFactory(create_video_decoder_cb,
+                                                       decoder_task_runner));
 
     if (!cmd_line->HasSwitch(switches::kDisableWebRtcHWEncoding))
       encoder_factory.reset(new RTCVideoEncoderFactory(gpu_factories));
   }
 
 #if defined(OS_ANDROID)
   if (!media::MediaCodecUtil::SupportsSetParameters())
     encoder_factory.reset();
 #endif
 
@@ skipping 298 matching lines @@
 
 void PeerConnectionDependencyFactory::EnsureWebRtcAudioDeviceImpl() {
   DCHECK(CalledOnValidThread());
   if (audio_device_.get())
     return;
 
   audio_device_ = new WebRtcAudioDeviceImpl();
 }
 
 }  // namespace content