Mojify demuxers and allow running {Chunk/FFmpeg}Demuxer in a Utility Process

media/mojo/clients/mojo_demuxer_factory.h

+// Copyright 2017 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.
+
+#ifndef MEDIA_MOJO_CLIENTS_MOJO_DEMUXER_FACTORY_H_
+#define MEDIA_MOJO_CLIENTS_MOJO_DEMUXER_FACTORY_H_
+
+#include "media/base/demuxer_factory.h"
+
+namespace service_manager {
+namespace mojom {
+class InterfaceProvider;
+}
+}
+
+namespace media {
+
+// The Mojo factory class for creating remote Demuxers.
+class MojoDemuxerFactory : public DemuxerFactory {
+ public:
+  MojoDemuxerFactory(
+      service_manager::mojom::InterfaceProvider* interface_provider);
+  ~MojoDemuxerFactory() final;
+
+  std::unique_ptr<Demuxer> CreateDemuxer(
+      const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner,
+      const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
+      DataSource* data_source,
+      const Demuxer::EncryptedMediaInitDataCB& encrypted_media_init_data_cb,
+      const Demuxer::MediaTracksUpdatedCB& media_tracks_updated_cb) final;
+
+  std::unique_ptr<Demuxer> CreateDemuxerSourceBuffer(
+      const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner,
+      const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
+      const base::Closure& open_cb,
+      const Demuxer::EncryptedMediaInitDataCB& encrypted_media_init_data_cb,
+      media::SourceBuffer** source_buffer_out) final;
+
+ private:
+  static int32_t next_demuxer_id_;
+
+  service_manager::mojom::InterfaceProvider* interface_provider_;
+
+  DISALLOW_COPY_AND_ASSIGN(MojoDemuxerFactory);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_MOJO_CLIENTS_MOJO_DEMUXER_FACTORY_H_