Implement a source for remote video tracks.

content/renderer/media/webrtc/webrtc_video_sink_adapter.cc

Index: content/renderer/media/webrtc/webrtc_video_sink_adapter.cc
diff --git a/content/renderer/media/webrtc/webrtc_video_sink_adapter.cc b/content/renderer/media/webrtc/webrtc_video_sink_adapter.cc
deleted file mode 100644
index 587ecfe6d1887a1fac89a5934a32ecd3c4f92e0e..0000000000000000000000000000000000000000
--- a/content/renderer/media/webrtc/webrtc_video_sink_adapter.cc
+++ /dev/null
@@ -1,118 +0,0 @@
-// Copyright 2013 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/webrtc_video_sink_adapter.h"
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/message_loop/message_loop_proxy.h"
-#include "content/renderer/media/native_handle_impl.h"
-#include "media/base/video_frame.h"
-#include "media/base/video_util.h"
-#include "third_party/libjingle/source/talk/media/base/videoframe.h"
-#include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
-#include "ui/gfx/size.h"
-
-using media::CopyYPlane;
-using media::CopyUPlane;
-using media::CopyVPlane;
-
-namespace content {
-
-WebRtcVideoSinkAdapter::WebRtcVideoSinkAdapter(
-    webrtc::VideoTrackInterface* video_track,
-    MediaStreamVideoSink* sink)
-    : message_loop_proxy_(base::MessageLoopProxy::current()),
-      sink_(sink),
-      video_track_(video_track),
-      state_(video_track->state()),
-      track_enabled_(video_track->enabled()) {
-  DCHECK(sink);
-  video_track_->AddRenderer(this);
-  video_track_->RegisterObserver(this);
-  DVLOG(1) << "WebRtcVideoSinkAdapter";
-}
-
-WebRtcVideoSinkAdapter::~WebRtcVideoSinkAdapter() {
-  video_track_->RemoveRenderer(this);
-  video_track_->UnregisterObserver(this);
-  DVLOG(1) << "~WebRtcVideoSinkAdapter";
-}
-
-void WebRtcVideoSinkAdapter::SetSize(int width, int height) {
-}
-
-void WebRtcVideoSinkAdapter::RenderFrame(const cricket::VideoFrame* frame) {
-  base::TimeDelta timestamp = base::TimeDelta::FromMilliseconds(
-      frame->GetTimeStamp() / talk_base::kNumNanosecsPerMillisec);
-
-  scoped_refptr<media::VideoFrame> video_frame;
-  if (frame->GetNativeHandle() != NULL) {
-    NativeHandleImpl* handle =
-        static_cast<NativeHandleImpl*>(frame->GetNativeHandle());
-    video_frame = static_cast<media::VideoFrame*>(handle->GetHandle());
-    video_frame->SetTimestamp(timestamp);
-  } else {
-    gfx::Size size(frame->GetWidth(), frame->GetHeight());
-    video_frame = media::VideoFrame::CreateFrame(
-        media::VideoFrame::YV12, size, gfx::Rect(size), size, timestamp);
-
-    // Aspect ratio unsupported; DCHECK when there are non-square pixels.
-    DCHECK_EQ(frame->GetPixelWidth(), 1u);
-    DCHECK_EQ(frame->GetPixelHeight(), 1u);
-
-    int y_rows = frame->GetHeight();
-    int uv_rows = frame->GetChromaHeight();
-    CopyYPlane(
-        frame->GetYPlane(), frame->GetYPitch(), y_rows, video_frame.get());
-    CopyUPlane(
-        frame->GetUPlane(), frame->GetUPitch(), uv_rows, video_frame.get());
-    CopyVPlane(
-        frame->GetVPlane(), frame->GetVPitch(), uv_rows, video_frame.get());
-  }
-
-  message_loop_proxy_->PostTask(
-      FROM_HERE, base::Bind(&WebRtcVideoSinkAdapter::DoRenderFrameOnMainThread,
-                            AsWeakPtr(), video_frame));
-}
-
-void WebRtcVideoSinkAdapter::OnChanged() {
-  DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-
-  // TODO(perkj): OnChanged belongs to the base class of WebRtcVideoSinkAdapter
-  // common for both webrtc audio and video.
-  webrtc::MediaStreamTrackInterface::TrackState state = video_track_->state();
-  if (state != state_) {
-    state_ = state;
-    switch (state) {
-      case webrtc::MediaStreamTrackInterface::kInitializing:
-        // Ignore the kInitializing state since there is no match in
-        // WebMediaStreamSource::ReadyState.
-        break;
-      case webrtc::MediaStreamTrackInterface::kLive:
-        sink_->OnReadyStateChanged(blink::WebMediaStreamSource::ReadyStateLive);
-        break;
-      case webrtc::MediaStreamTrackInterface::kEnded:
-        sink_->OnReadyStateChanged(
-            blink::WebMediaStreamSource::ReadyStateEnded);
-        break;
-      default:
-        NOTREACHED();
-        break;
-    }
-  }
-  if (track_enabled_ != video_track_->enabled()) {
-    track_enabled_ = video_track_->enabled();
-    sink_->OnEnabledChanged(track_enabled_);
-  }
-}
-
-void WebRtcVideoSinkAdapter::DoRenderFrameOnMainThread(
-    scoped_refptr<media::VideoFrame> video_frame) {
-  DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  sink_->OnVideoFrame(video_frame);
-}
-
-}  // namespace content