Revert 262050 "Implement a source for remote video tracks."

trunk/src/content/renderer/media/webrtc/media_stream_remote_video_source.cc

Index: trunk/src/content/renderer/media/webrtc/media_stream_remote_video_source.cc
===================================================================
--- trunk/src/content/renderer/media/webrtc/media_stream_remote_video_source.cc	(revision 262817)
+++ trunk/src/content/renderer/media/webrtc/media_stream_remote_video_source.cc	(working copy)
@@ -1,157 +0,0 @@
-// 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/media_stream_remote_video_source.h"
-
-#include "base/bind.h"
-#include "base/location.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"
-
-namespace content {
-
-MediaStreamRemoteVideoSource::MediaStreamRemoteVideoSource(
-    webrtc::VideoTrackInterface* remote_track)
-    : MediaStreamVideoSource(NULL),
-      message_loop_proxy_(base::MessageLoopProxy::current()),
-      remote_track_(remote_track),
-      last_state_(remote_track_->state()),
-      first_frame_received_(false) {
-  remote_track_->AddRenderer(this);
-  remote_track_->RegisterObserver(this);
-}
-
-MediaStreamRemoteVideoSource::~MediaStreamRemoteVideoSource() {
-  StopSourceImpl();
-}
-
-void MediaStreamRemoteVideoSource::GetCurrentSupportedFormats(
-    int max_requested_width,
-    int max_requested_height) {
-  DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  if (format_.IsValid()) {
-    media::VideoCaptureFormats formats;
-    formats.push_back(format_);
-    OnSupportedFormats(formats);
-  }
-}
-
-void MediaStreamRemoteVideoSource::StartSourceImpl(
-    const media::VideoCaptureParams& params) {
-  DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  OnStartDone(true);
-}
-
-void MediaStreamRemoteVideoSource::StopSourceImpl() {
-  DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  remote_track_->RemoveRenderer(this);
-  remote_track_->UnregisterObserver(this);
-}
-
-webrtc::VideoSourceInterface* MediaStreamRemoteVideoSource::GetAdapter() {
-  DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  return remote_track_->GetSource();
-}
-
-void MediaStreamRemoteVideoSource::SetSize(int width, int height) {
-}
-
-void MediaStreamRemoteVideoSource::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 = frame_pool_.CreateFrame(
-        media::VideoFrame::I420, size, gfx::Rect(size), size, timestamp);
-
-    // Non-square pixels are unsupported.
-    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());
-  }
-
-  if (!first_frame_received_) {
-    first_frame_received_ = true;
-    media::VideoPixelFormat pixel_format = (
-        video_frame->format() == media::VideoFrame::I420) ?
-            media::PIXEL_FORMAT_I420 : media::PIXEL_FORMAT_TEXTURE;
-    media::VideoCaptureFormat format(
-        gfx::Size(video_frame->natural_size().width(),
-                  video_frame->natural_size().height()),
-        MediaStreamVideoSource::kDefaultFrameRate,
-        pixel_format);
-    message_loop_proxy_->PostTask(
-        FROM_HERE,
-        base::Bind(&MediaStreamRemoteVideoSource::FrameFormatOnMainThread,
-                   AsWeakPtr(), format));
-  }
-
-  // TODO(perkj): Consider delivering the frame on whatever thread the frame is
-  // delivered on once crbug/335327 is fixed.
-  message_loop_proxy_->PostTask(
-      FROM_HERE,
-      base::Bind(&MediaStreamRemoteVideoSource::DoRenderFrameOnMainThread,
-                 AsWeakPtr(), video_frame));
-}
-
-void MediaStreamRemoteVideoSource::OnChanged() {
-  DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  webrtc::MediaStreamTrackInterface::TrackState state = remote_track_->state();
-  if (state != last_state_) {
-    last_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:
-        SetReadyState(blink::WebMediaStreamSource::ReadyStateLive);
-        break;
-      case webrtc::MediaStreamTrackInterface::kEnded:
-        SetReadyState(blink::WebMediaStreamSource::ReadyStateEnded);
-        break;
-      default:
-        NOTREACHED();
-        break;
-    }
-  }
-}
-
-void MediaStreamRemoteVideoSource::FrameFormatOnMainThread(
-    const media::VideoCaptureFormat& format) {
-  DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  format_ = format;
-  if (state() == RETRIEVING_CAPABILITIES) {
-    media::VideoCaptureFormats formats;
-    formats.push_back(format);
-    OnSupportedFormats(formats);
-  }
-}
-
-void MediaStreamRemoteVideoSource::DoRenderFrameOnMainThread(
-    scoped_refptr<media::VideoFrame> video_frame) {
-  DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  if (state() == STARTED)
-    DeliverVideoFrame(video_frame);
-}
-
-}  // namespace content