Delete browser MSE implementation.

content/renderer/media/android/media_source_delegate.h

Index: content/renderer/media/android/media_source_delegate.h
diff --git a/content/renderer/media/android/media_source_delegate.h b/content/renderer/media/android/media_source_delegate.h
deleted file mode 100644
index f3b7e37eac1089ab20a6f7773604cc67e9eb8b46..0000000000000000000000000000000000000000
--- a/content/renderer/media/android/media_source_delegate.h
+++ /dev/null
@@ -1,259 +0,0 @@
-// 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.
-
-#ifndef CONTENT_RENDERER_MEDIA_ANDROID_MEDIA_SOURCE_DELEGATE_H_
-#define CONTENT_RENDERER_MEDIA_ANDROID_MEDIA_SOURCE_DELEGATE_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/time/time.h"
-#include "media/base/cdm_context.h"
-#include "media/base/demuxer.h"
-#include "media/base/media_keys.h"
-#include "media/base/pipeline_status.h"
-#include "media/base/ranges.h"
-#include "media/base/text_track.h"
-#include "third_party/WebKit/public/platform/WebMediaPlayer.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace media {
-class ChunkDemuxer;
-class DecoderBuffer;
-class DecryptingDemuxerStream;
-class DemuxerStream;
-class MediaLog;
-struct DemuxerConfigs;
-struct DemuxerData;
-}
-
-namespace content {
-
-class RendererDemuxerAndroid;
-
-class MediaSourceDelegate : public media::DemuxerHost {
- public:
-  typedef base::Callback<void(blink::WebMediaSource*)>
-      MediaSourceOpenedCB;
-  typedef base::Callback<void(blink::WebMediaPlayer::NetworkState)>
-      UpdateNetworkStateCB;
-  typedef base::Callback<void(const base::TimeDelta&)> DurationChangeCB;
-
-  // Callback to notify that a CDM is ready. CdmAttachedCB is called when the
-  // CDM has been completely attached to the media pipeline.
-  typedef base::Callback<void(media::CdmContext*, const media::CdmAttachedCB&)>
-      CdmReadyCB;
-
-  // Callback to set a CdmReadyCB, which will be called when a CDM is ready.
-  typedef base::Callback<void(const CdmReadyCB&)> SetCdmReadyCB;
-
-  MediaSourceDelegate(
-      RendererDemuxerAndroid* demuxer_client,
-      int demuxer_client_id,
-      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
-      const scoped_refptr<media::MediaLog> media_log);
-  ~MediaSourceDelegate() override;
-
-  // Initialize the MediaSourceDelegate. |media_source| will be owned by
-  // this object after this call.
-  void InitializeMediaSource(
-      const MediaSourceOpenedCB& media_source_opened_cb,
-      const media::Demuxer::EncryptedMediaInitDataCB&
-          encrypted_media_init_data_cb,
-      const SetCdmReadyCB& set_cdm_ready_cb,
-      const UpdateNetworkStateCB& update_network_state_cb,
-      const DurationChangeCB& duration_change_cb,
-      const base::Closure& waiting_for_decryption_key_cb);
-
-  blink::WebTimeRanges Buffered() const;
-  size_t DecodedFrameCount() const;
-  size_t DroppedFrameCount() const;
-  size_t AudioDecodedByteCount() const;
-  size_t VideoDecodedByteCount() const;
-
-  // In MSE case, calls ChunkDemuxer::CancelPendingSeek(). Also sets the
-  // expectation that a regular seek will be arriving and to trivially finish
-  // any browser seeks that may be requested prior to the regular seek.
-  void CancelPendingSeek(const base::TimeDelta& seek_time);
-
-  // In MSE case, calls ChunkDemuxer::StartWaitingForSeek(), first calling
-  // ChunkDemuxer::CancelPendingSeek() if a browser seek is in progress.
-  // Also sets the expectation that a regular seek will be arriving and to
-  // trivially finish any browser seeks that may be requested prior to the
-  // regular seek.
-  void StartWaitingForSeek(const base::TimeDelta& seek_time);
-
-  // Seeks the demuxer and later calls OnDemuxerSeekDone() after the seek has
-  // been completed. There must be no other seek of the demuxer currently in
-  // process when this method is called.
-  // If |is_browser_seek| is true, then this is a short-term hack browser
-  // seek.
-  // TODO(wolenetz): Instead of doing browser seek, browser player should replay
-  // cached data since last keyframe. See http://crbug.com/304234.
-  void Seek(const base::TimeDelta& seek_time, bool is_browser_seek);
-
-  // Called when DemuxerStreamPlayer needs to read data from ChunkDemuxer.
-  void OnReadFromDemuxer(media::DemuxerStream::Type type);
-
-  // Must be called explicitly before |this| can be destroyed.
-  void Stop(const base::Closure& stop_cb);
-
-  // Called on the main thread to check whether the video stream is encrypted.
-  bool IsVideoEncrypted();
-
-  // Gets the ChunkDemuxer timeline offset.
-  base::Time GetTimelineOffset() const;
-
- private:
-  // Methods inherited from DemuxerHost.
-  void OnBufferedTimeRangesChanged(
-      const media::Ranges<base::TimeDelta>& ranges) override;
-  void SetDuration(base::TimeDelta duration) override;
-  void OnDemuxerError(media::PipelineStatus status) override;
-  void AddTextStream(media::DemuxerStream* text_stream,
-                     const media::TextTrackConfig& config) override;
-  void RemoveTextStream(media::DemuxerStream* text_stream) override;
-
-  // Notifies |demuxer_client_| and fires |duration_changed_cb_|.
-  void OnDurationChanged(const base::TimeDelta& duration);
-
-  // Callback for ChunkDemuxer initialization.
-  void OnDemuxerInitDone(media::PipelineStatus status);
-
-  bool HasEncryptedStream();
-
-  // Callback to set CDM and fires |cdm_attached_cb| with the result.
-  void SetCdm(media::CdmContext* cdm_context,
-              const media::CdmAttachedCB& cdm_attached_cb);
-
-  // Initializes DecryptingDemuxerStreams if audio/video stream is encrypted.
-  void InitAudioDecryptingDemuxerStream();
-  void InitVideoDecryptingDemuxerStream();
-
-  // Callbacks for DecryptingDemuxerStream::Initialize().
-  void OnAudioDecryptingDemuxerStreamInitDone(media::PipelineStatus status);
-  void OnVideoDecryptingDemuxerStreamInitDone(media::PipelineStatus status);
-
-  // Callback for ChunkDemuxer::Seek() and callback chain for resetting
-  // decrypted audio/video streams if present.
-  //
-  // Runs on the media thread.
-  void OnDemuxerSeekDone(media::PipelineStatus status);
-  void ResetAudioDecryptingDemuxerStream();
-  void ResetVideoDecryptingDemuxerStream();
-  void FinishResettingDecryptingDemuxerStreams();
-
-  void OnDemuxerOpened();
-  void OnEncryptedMediaInitData(media::EmeInitDataType init_data_type,
-                                const std::vector<uint8_t>& init_data);
-  void NotifyDemuxerReady(bool is_cdm_attached);
-
-  // Stops and clears objects on the media thread.
-  void StopDemuxer(const base::Closure& stop_cb);
-
-  void InitializeDemuxer();
-  void SeekInternal(const base::TimeDelta& seek_time);
-  // Reads an access unit from the demuxer stream |stream| and stores it in
-  // the |index|th access unit in |params|.
-  void ReadFromDemuxerStream(media::DemuxerStream::Type type,
-                             std::unique_ptr<media::DemuxerData> data,
-                             size_t index);
-  void OnBufferReady(media::DemuxerStream::Type type,
-                     std::unique_ptr<media::DemuxerData> data,
-                     size_t index,
-                     media::DemuxerStream::Status status,
-                     const scoped_refptr<media::DecoderBuffer>& buffer);
-
-  // Helper function for calculating duration.
-  base::TimeDelta GetDuration() const;
-
-  bool IsSeeking() const;
-
-  // Returns |seek_time| if it is still buffered or if there is no currently
-  // buffered range including or soon after |seek_time|. If |seek_time| is not
-  // buffered, but there is a later range buffered near to |seek_time|, returns
-  // next buffered range's start time instead. Only call this for browser seeks.
-  // |seeking_lock_| must be held by caller.
-  base::TimeDelta FindBufferedBrowserSeekTime_Locked(
-      const base::TimeDelta& seek_time) const;
-
-  // Get the demuxer configs for a particular stream identified by |is_audio|.
-  // Returns true on success, of false otherwise.
-  bool GetDemuxerConfigFromStream(media::DemuxerConfigs* configs,
-                                  bool is_audio);
-
-  RendererDemuxerAndroid* demuxer_client_;
-  int demuxer_client_id_;
-
-  scoped_refptr<media::MediaLog> media_log_;
-  UpdateNetworkStateCB update_network_state_cb_;
-  DurationChangeCB duration_change_cb_;
-
-  std::unique_ptr<media::ChunkDemuxer> chunk_demuxer_;
-  bool is_demuxer_ready_;
-
-  SetCdmReadyCB set_cdm_ready_cb_;
-  media::CdmContext* cdm_context_;
-  media::CdmAttachedCB pending_cdm_attached_cb_;
-
-  std::unique_ptr<media::DecryptingDemuxerStream>
-      audio_decrypting_demuxer_stream_;
-  std::unique_ptr<media::DecryptingDemuxerStream>
-      video_decrypting_demuxer_stream_;
-
-  media::DemuxerStream* audio_stream_;
-  media::DemuxerStream* video_stream_;
-
-  media::PipelineStatistics statistics_;
-  media::Ranges<base::TimeDelta> buffered_time_ranges_;
-
-  MediaSourceOpenedCB media_source_opened_cb_;
-  media::Demuxer::EncryptedMediaInitDataCB encrypted_media_init_data_cb_;
-  base::Closure waiting_for_decryption_key_cb_;
-
-  // Lock used to serialize access for |seeking_|.
-  mutable base::Lock seeking_lock_;
-  bool seeking_;
-
-  // Lock used to serialize access for |is_video_encrypted_|.
-  mutable base::Lock is_video_encrypted_lock_;
-  bool is_video_encrypted_;
-
-  // Track if we are currently performing a browser seek, and track whether or
-  // not a regular seek is expected soon. If a regular seek is expected soon,
-  // then any in-progress browser seek will be canceled pending the
-  // regular seek, if using |chunk_demuxer_|, and any requested browser seek
-  // will be trivially finished. Access is serialized by |seeking_lock_|.
-  bool doing_browser_seek_;
-  base::TimeDelta browser_seek_time_;
-  bool expecting_regular_seek_;
-
-  size_t access_unit_size_;
-
-  // Task runner for main renderer and media threads.
-  const scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
-  const scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_;
-
-  // NOTE: Weak pointers must be invalidated before all other member variables.
-  base::WeakPtr<MediaSourceDelegate> main_weak_this_;
-  base::WeakPtrFactory<MediaSourceDelegate> main_weak_factory_;
-  base::WeakPtrFactory<MediaSourceDelegate> media_weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(MediaSourceDelegate);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_MEDIA_ANDROID_MEDIA_SOURCE_DELEGATE_H_