Use FFmpegVideoDecoder from a UtilityProcess

media/mojo/services/utility_mojo_media_client.cc

+// Copyright 2016 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/mojo/services/utility_mojo_media_client.h"
+
+#include "base/threading/thread_task_runner_handle.h"
+#include "media/base/media.h"
+#include "media/base/video_decoder.h"
+#include "media/mojo/common/mojo_shared_buffer_video_frame.h"
+
+#if !defined(DISABLE_FFMPEG_VIDEO_DECODERS)
+#include "media/filters/ffmpeg_video_decoder.h"
+#endif
+
+namespace media {
+
+UtilityMojoMediaClient::UtilityMojoMediaClient() {}
+
+UtilityMojoMediaClient::~UtilityMojoMediaClient() {}
+
+void UtilityMojoMediaClient::Initialize() {
+  InitializeMediaLibrary();
+}
+
+std::unique_ptr<VideoDecoder> UtilityMojoMediaClient::CreateVideoDecoder(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
+#if !defined(DISABLE_FFMPEG_VIDEO_DECODERS)
+  std::unique_ptr<FFmpegVideoDecoder> decoder(new FFmpegVideoDecoder());
+  std::unique_ptr<VideoFramePoolDelegate> delegate(
+      new MojoVideoFramePoolDelegate());
+  decoder->SetVideoFramePoolDelegate(std::move(delegate));
+  return std::move(decoder);
+#else
+  return nullptr;
+#endif
+}
+
+}  // namespace media