Deleted code associated with --enable-gpu-rendering and...

chrome/renderer/media/ipc_video_renderer.cc

-// Copyright (c) 2010 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 "chrome/renderer/media/ipc_video_renderer.h"
-
-#include "chrome/common/render_messages.h"
-#include "chrome/renderer/render_thread.h"
-#include "media/base/video_frame.h"
-#include "media/base/media_format.h"
-
-IPCVideoRenderer::IPCVideoRenderer(int routing_id)
-    : created_(false),
-      routing_id_(routing_id),
-      stopped_(false, false) {
-}
-
-IPCVideoRenderer::~IPCVideoRenderer() {
-}
-
-bool IPCVideoRenderer::OnInitialize(media::VideoDecoder* decoder) {
-  video_size_.SetSize(width(), height());
-
-  // TODO(scherkus): we're assuming YV12 here.
-  size_t size = (width() * height()) + ((width() * height()) >> 1);
-  uint32 epoch = static_cast<uint32>(reinterpret_cast<size_t>(this));
-  transport_dib_.reset(TransportDIB::Create(size, epoch));
-  CHECK(transport_dib_.get());
-
-  return true;
-}
-
-void IPCVideoRenderer::OnStop(media::FilterCallback* callback) {
-  stopped_.Signal();
-
-  proxy_->message_loop()->PostTask(FROM_HERE,
-      NewRunnableMethod(this, &IPCVideoRenderer::DoDestroyVideo, callback));
-}
-
-void IPCVideoRenderer::OnFrameAvailable() {
-  proxy_->message_loop()->PostTask(FROM_HERE,
-      NewRunnableMethod(this, &IPCVideoRenderer::DoUpdateVideo));
-}
-
-void IPCVideoRenderer::SetWebMediaPlayerImplProxy(
-    webkit_glue::WebMediaPlayerImpl::Proxy* proxy) {
-  proxy_ = proxy;
-}
-
-void IPCVideoRenderer::SetRect(const gfx::Rect& rect) {
-  DCHECK(MessageLoop::current() == proxy_->message_loop());
-
-  // TODO(scherkus): this is actually a SetSize() call... there's a pending
-  // WebKit bug to get this fixed up.  It would be nice if this was a real
-  // SetRect() call so we could get the absolute coordinates instead of relying
-  // on Paint().
-}
-
-void IPCVideoRenderer::Paint(skia::PlatformCanvas* canvas,
-                             const gfx::Rect& dest_rect) {
-  DCHECK(MessageLoop::current() == proxy_->message_loop());
-
-  // Copy the rect for UpdateVideo messages.
-  video_rect_ = dest_rect;
-
-  if (!created_) {
-    created_ = true;
-    Send(new ViewHostMsg_CreateVideo(routing_id_, video_size_));
-
-    // Force an update in case the first frame arrived before the first
-    // Paint() call.
-    DoUpdateVideo();
-  }
-
-  // TODO(scherkus): code to punch a hole through the backing store goes here.
-  // We don't need it right away since we don't do a proper alpha composite
-  // between the browser BackingStore and VideoLayer.
-}
-
-void IPCVideoRenderer::Send(IPC::Message* msg) {
-  DCHECK(routing_id_ != MSG_ROUTING_NONE);
-  DCHECK(routing_id_ == msg->routing_id());
-
-  bool result = RenderThread::current()->Send(msg);
-  LOG_IF(ERROR, !result) << "RenderThread::current()->Send(msg) failed";
-}
-
-void IPCVideoRenderer::DoUpdateVideo() {
-  DCHECK(MessageLoop::current() == proxy_->message_loop());
-
-  // Nothing to do if we don't know where we are positioned on the page.
-  if (!created_ || video_rect_.IsEmpty() || stopped_.IsSignaled()) {
-    return;
-  }
-
-  scoped_refptr<media::VideoFrame> frame;
-  GetCurrentFrame(&frame);
-  if (!frame) {
-    PutCurrentFrame(frame);
-    return;
-  }
-
-  CHECK(frame->width() == static_cast<size_t>(video_size_.width()));
-  CHECK(frame->height() == static_cast<size_t>(video_size_.height()));
-  CHECK(frame->format() == media::VideoFrame::YV12);
-  CHECK(frame->planes() == 3);
-
-  uint8* dest = reinterpret_cast<uint8*>(transport_dib_->memory());
-
-  // Copy Y plane.
-  const uint8* src = frame->data(media::VideoFrame::kYPlane);
-  size_t stride = frame->stride(media::VideoFrame::kYPlane);
-  for (size_t row = 0; row < frame->height(); ++row) {
-    memcpy(dest, src, frame->width());
-    dest += frame->width();
-    src += stride;
-  }
-
-  // Copy U plane.
-  src = frame->data(media::VideoFrame::kUPlane);
-  stride = frame->stride(media::VideoFrame::kUPlane);
-  for (size_t row = 0; row < frame->height() / 2; ++row) {
-    memcpy(dest, src, frame->width() / 2);
-    dest += frame->width() / 2;
-    src += stride;
-  }
-
-  // Copy V plane.
-  src = frame->data(media::VideoFrame::kVPlane);
-  stride = frame->stride(media::VideoFrame::kVPlane);
-  for (size_t row = 0; row < frame->height() / 2; ++row) {
-    memcpy(dest, src, frame->width() / 2);
-    dest += frame->width() / 2;
-    src += stride;
-  }
-
-  PutCurrentFrame(frame);
-
-  // Sanity check!
-  uint8* expected = reinterpret_cast<uint8*>(transport_dib_->memory()) +
-      transport_dib_->size();
-  CHECK(dest == expected);
-
-  Send(new ViewHostMsg_UpdateVideo(routing_id_,
-                                   transport_dib_->id(),
-                                   video_rect_));
-}
-
-void IPCVideoRenderer::DoDestroyVideo(media::FilterCallback* callback) {
-  DCHECK(MessageLoop::current() == proxy_->message_loop());
-
-  // We shouldn't receive any more messages after the browser receives this.
-  Send(new ViewHostMsg_DestroyVideo(routing_id_));
-
-  // Detach ourselves from the proxy.
-  proxy_->SetVideoRenderer(NULL);
-  proxy_ = NULL;
-  if (callback) {
-    callback->Run();
-    delete callback;
-  }
-}