[WIP] Proxy RtcVideoDecoder calls to a media::VideoDecoder.

content/renderer/media/gpu/rtc_video_decoder_factory.cc

 // 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/gpu/rtc_video_decoder_factory.h"
 
 #include <memory>
 
+#include "base/single_thread_task_runner.h"
 #include "content/renderer/media/gpu/rtc_video_decoder.h"
-#include "media/renderers/gpu_video_accelerator_factories.h"
+
+// Debug! Remove!
+#include "media/filters/ffmpeg_video_decoder.h"
 
 namespace content {
 
 RTCVideoDecoderFactory::RTCVideoDecoderFactory(
-    media::GpuVideoAcceleratorFactories* gpu_factories)
-    : gpu_factories_(gpu_factories) {
+    const CreateVideoDecoderCB& create_video_decoder_cb,
+    const scoped_refptr<base::SingleThreadTaskRunner>& decoder_task_runner)
+    : create_video_decoder_cb_(create_video_decoder_cb),
+      decoder_task_runner_(decoder_task_runner) {
   DVLOG(2) << __func__;
 }
 
 RTCVideoDecoderFactory::~RTCVideoDecoderFactory() {
   DVLOG(2) << __func__;
 }
 
 webrtc::VideoDecoder* RTCVideoDecoderFactory::CreateVideoDecoder(
     webrtc::VideoCodecType type) {
-  DVLOG(2) << __func__;
-  return RTCVideoDecoder::Create(type, gpu_factories_).release();
+  VLOG(0) << __func__;
+
+  ///////////////// Debug! //////////////////////
+  media::VideoCodec codec;
+  switch (type) {
+    case webrtc::kVideoCodecVP8:
+      codec = media::kCodecVP8;
+      break;
+    case webrtc::kVideoCodecH264:
+      codec = media::kCodecH264;
+      break;
+    default:
+      return nullptr;
+  }
+
+  DCHECK(media::FFmpegVideoDecoder::IsCodecSupported(codec)) << type;
+  ////////////////////////////////////////////
+
+  return RTCVideoDecoder::Create(type, create_video_decoder_cb_,
+                                 decoder_task_runner_)
+      .release();
 }
 
 void RTCVideoDecoderFactory::DestroyVideoDecoder(
     webrtc::VideoDecoder* decoder) {
   DVLOG(2) << __func__;
-  RTCVideoDecoder::Destroy(decoder, gpu_factories_);
+  RTCVideoDecoder::Destroy(decoder, decoder_task_runner_);
 }
 
 }  // namespace content