Allow to use the DefaultRendererFactory from a Utility Process

media/renderers/default_renderer_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 "media/renderers/default_renderer_factory.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
 #include "build/build_config.h"
 #include "media/base/decoder_factory.h"
 #include "media/base/media_log.h"
 #include "media/base/video_frame_provider.h"
 #include "media/filters/gpu_video_decoder.h"
 #include "media/renderers/audio_renderer_impl.h"
 #include "media/renderers/gpu_video_accelerator_factories.h"
 #include "media/renderers/renderer_impl.h"
 #include "media/renderers/video_renderer_impl.h"
+#include "media/video/default_video_frame_provider_factory.h"
 
 #if !defined(MEDIA_DISABLE_FFMPEG)
 #include "media/filters/ffmpeg_audio_decoder.h"
 #if !defined(DISABLE_FFMPEG_VIDEO_DECODERS)
 #include "media/filters/ffmpeg_video_decoder.h"
 #endif
 #endif
 
 #if !defined(MEDIA_DISABLE_LIBVPX)
 #include "media/filters/vpx_video_decoder.h"
 #endif
 
 namespace media {
 
 DefaultRendererFactory::DefaultRendererFactory(
     const scoped_refptr<MediaLog>& media_log,
     DecoderFactory* decoder_factory,
-    const GetGpuFactoriesCB& get_gpu_factories_cb)
+    const GetGpuFactoriesCB& get_gpu_factories_cb,
+    std::unique_ptr<VideoFrameProviderFactory> video_frame_provider_factory)
     : media_log_(media_log),
       decoder_factory_(decoder_factory),
-      get_gpu_factories_cb_(get_gpu_factories_cb) {}
+      get_gpu_factories_cb_(get_gpu_factories_cb),
+      video_frame_provider_factory_(std::move(video_frame_provider_factory)) {
+  if (!video_frame_provider_factory_)
+    video_frame_provider_factory_.reset(new DefaultVideoFrameProviderFactory());
+}
 
 DefaultRendererFactory::~DefaultRendererFactory() {
 }
 
 ScopedVector<AudioDecoder> DefaultRendererFactory::CreateAudioDecoders(
     const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner) {
   // Create our audio decoders and renderer.
   ScopedVector<AudioDecoder> audio_decoders;
 
 #if !defined(MEDIA_DISABLE_FFMPEG)
@@ skipping 25 matching lines @@
     DCHECK(gpu_factories->GetTaskRunner() == media_task_runner.get());
 
     if (decoder_factory_) {
       decoder_factory_->CreateVideoDecoders(media_task_runner, gpu_factories,
                                             &video_decoders);
     }
     video_decoders.push_back(
         new GpuVideoDecoder(gpu_factories, request_surface_cb, media_log_));
   }
 
+  std::unique_ptr<VideoFrameProvider> video_frame_provider;
+
 #if !defined(MEDIA_DISABLE_LIBVPX)
-  video_decoders.push_back(new VpxVideoDecoder());
+  video_frame_provider =
+      video_frame_provider_factory_->CreateVideoFrameProvider();
+  video_decoders.push_back(
+      new VpxVideoDecoder(std::move(video_frame_provider)));
 #endif
 
 #if !defined(MEDIA_DISABLE_FFMPEG) && !defined(DISABLE_FFMPEG_VIDEO_DECODERS)
-  video_decoders.push_back(new FFmpegVideoDecoder());
+  video_frame_provider =
+      video_frame_provider_factory_->CreateVideoFrameProvider();
+  video_decoders.push_back(
+      new FFmpegVideoDecoder(std::move(video_frame_provider)));
 #endif
 
   return video_decoders;
 }
 
 std::unique_ptr<Renderer> DefaultRendererFactory::CreateRenderer(
     const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
     const scoped_refptr<base::TaskRunner>& worker_task_runner,
     AudioRendererSink* audio_renderer_sink,
     VideoRendererSink* video_renderer_sink,
@@ skipping 11 matching lines @@
   std::unique_ptr<VideoRenderer> video_renderer(new VideoRendererImpl(
       media_task_runner, worker_task_runner, video_renderer_sink,
       CreateVideoDecoders(media_task_runner, request_surface_cb, gpu_factories),
       true, gpu_factories, media_log_));
 
   return base::MakeUnique<RendererImpl>(
       media_task_runner, std::move(audio_renderer), std::move(video_renderer));
 }
 
 }  // namespace media