Add MediaPlayerRenderer/MediaPlayerRendererClient

media/base/android/media_url_demuxer.h

-// 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.
-
-#ifndef MEDIA_BASE_ANDROID_MEDIA_URL_DEMUXER_H_
-#define MEDIA_BASE_ANDROID_MEDIA_URL_DEMUXER_H_
-
-#include <stddef.h>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "media/base/demuxer.h"
-#include "url/gurl.h"
-
-namespace media {
-
-// Class that saves a URL for later retrieval. To be used in conjunction with
-// the MediaPlayerRenderer.
-//
-// Its primary purpose is to act as a dummy Demuxer, when there is no need
-// for DemuxerStreams (e.g. in the MediaPlayerRenderer case). For the most part,
-// its implementation of the Demuxer are NOPs that return the default values and
-// fire any provided callbacks immediately.
-//
-// If Pipeline where to be refactored to use a DemuxerStreamProvider instead of
-// a Demuxer, MediaUrlDemuxer should be refactored to inherit directly from
-// DemuxerStreamProvider.
-class MediaUrlDemuxer : public Demuxer {
- public:
-  MediaUrlDemuxer(
-      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
-      const GURL& url);
-  ~MediaUrlDemuxer() override;
-
-  // DemuxerStreamProvider interface.
-  DemuxerStream* GetStream(DemuxerStream::Type type) override;
-  GURL GetUrl() const override;
-  DemuxerStreamProvider::Type GetType() const override;
-
-  // Demuxer interface.
-  std::string GetDisplayName() const override;
-  void Initialize(DemuxerHost* host,
-                  const PipelineStatusCB& status_cb,
-                  bool enable_text_tracks) override;
-  void StartWaitingForSeek(base::TimeDelta seek_time) override;
-  void CancelPendingSeek(base::TimeDelta seek_time) override;
-  void Seek(base::TimeDelta time, const PipelineStatusCB& status_cb) override;
-  void Stop() override;
-  base::TimeDelta GetStartTime() const override;
-  base::Time GetTimelineOffset() const override;
-  int64_t GetMemoryUsage() const override;
-  void OnEnabledAudioTracksChanged(const std::vector<MediaTrack::Id>& track_ids,
-                                   base::TimeDelta currTime) override;
-  void OnSelectedVideoTrackChanged(const std::vector<MediaTrack::Id>& track_ids,
-                                   base::TimeDelta currTime) override;
-
- private:
-  GURL url_;
-
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-
-  DISALLOW_COPY_AND_ASSIGN(MediaUrlDemuxer);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_BASE_ANDROID_MEDIA_URL_DEMUXER_H_