Migrate webkit/renderer/media/ to content/renderer/media/.

webkit/renderer/media/webmediaplayer_ms.h

-// 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 WEBKIT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_
-#define WEBKIT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/synchronization/lock.h"
-#include "cc/layers/video_frame_provider.h"
-#include "googleurl/src/gurl.h"
-#include "media/filters/skcanvas_video_renderer.h"
-#include "skia/ext/platform_canvas.h"
-#include "third_party/WebKit/public/web/WebMediaPlayer.h"
-
-namespace WebKit {
-class WebFrame;
-class WebMediaPlayerClient;
-}
-
-namespace media {
-class MediaLog;
-}
-
-namespace webkit {
-class WebLayerImpl;
-}
-
-namespace webkit_media {
-
-class MediaStreamAudioRenderer;
-class MediaStreamClient;
-class VideoFrameProvider;
-class WebMediaPlayerDelegate;
-
-// WebMediaPlayerMS delegates calls from WebCore::MediaPlayerPrivate to
-// Chrome's media player when "src" is from media stream.
-//
-// WebMediaPlayerMS works with multiple objects, the most important ones are:
-//
-// VideoFrameProvider
-//   provides video frames for rendering.
-//
-// TODO(wjia): add AudioPlayer.
-// AudioPlayer
-//   plays audio streams.
-//
-// WebKit::WebMediaPlayerClient
-//   WebKit client of this media player object.
-class WebMediaPlayerMS
-    : public WebKit::WebMediaPlayer,
-      public cc::VideoFrameProvider,
-      public base::SupportsWeakPtr<WebMediaPlayerMS> {
- public:
-  // Construct a WebMediaPlayerMS with reference to the client, and
-  // a MediaStreamClient which provides VideoFrameProvider.
-  WebMediaPlayerMS(WebKit::WebFrame* frame,
-                   WebKit::WebMediaPlayerClient* client,
-                   base::WeakPtr<WebMediaPlayerDelegate> delegate,
-                   MediaStreamClient* media_stream_client,
-                   media::MediaLog* media_log);
-  virtual ~WebMediaPlayerMS();
-
-  virtual void load(const WebKit::WebURL& url, CORSMode cors_mode) OVERRIDE;
-  virtual void load(const WebKit::WebURL& url,
-                    WebKit::WebMediaSource* media_source,
-                    CORSMode cors_mode) OVERRIDE;
-
-  // Playback controls.
-  virtual void play() OVERRIDE;
-  virtual void pause() OVERRIDE;
-  virtual bool supportsFullscreen() const OVERRIDE;
-  virtual bool supportsSave() const OVERRIDE;
-  virtual void seek(double seconds);
-  virtual void setRate(double rate);
-  virtual void setVolume(double volume);
-  virtual void setPreload(WebKit::WebMediaPlayer::Preload preload) OVERRIDE;
-  virtual const WebKit::WebTimeRanges& buffered() OVERRIDE;
-  virtual double maxTimeSeekable() const;
-
-  // Methods for painting.
-  virtual void paint(WebKit::WebCanvas* canvas,
-                     const WebKit::WebRect& rect,
-                     unsigned char alpha) OVERRIDE;
-
-  // True if the loaded media has a playable video/audio track.
-  virtual bool hasVideo() const OVERRIDE;
-  virtual bool hasAudio() const OVERRIDE;
-
-  // Dimensions of the video.
-  virtual WebKit::WebSize naturalSize() const OVERRIDE;
-
-  // Getters of playback state.
-  virtual bool paused() const OVERRIDE;
-  virtual bool seeking() const OVERRIDE;
-  virtual double duration() const;
-  virtual double currentTime() const;
-
-  // Internal states of loading and network.
-  virtual WebKit::WebMediaPlayer::NetworkState networkState() const OVERRIDE;
-  virtual WebKit::WebMediaPlayer::ReadyState readyState() const OVERRIDE;
-
-  virtual bool didLoadingProgress() const OVERRIDE;
-
-  virtual bool hasSingleSecurityOrigin() const OVERRIDE;
-  virtual bool didPassCORSAccessCheck() const OVERRIDE;
-
-  virtual double mediaTimeForTimeValue(double timeValue) const;
-
-  virtual unsigned decodedFrameCount() const OVERRIDE;
-  virtual unsigned droppedFrameCount() const OVERRIDE;
-  virtual unsigned audioDecodedByteCount() const OVERRIDE;
-  virtual unsigned videoDecodedByteCount() const OVERRIDE;
-
-  // VideoFrameProvider implementation.
-  virtual void SetVideoFrameProviderClient(
-      cc::VideoFrameProvider::Client* client) OVERRIDE;
-  virtual scoped_refptr<media::VideoFrame> GetCurrentFrame() OVERRIDE;
-  virtual void PutCurrentFrame(const scoped_refptr<media::VideoFrame>& frame)
-      OVERRIDE;
-
- private:
-  // The callback for VideoFrameProvider to signal a new frame is available.
-  void OnFrameAvailable(const scoped_refptr<media::VideoFrame>& frame);
-  // Need repaint due to state change.
-  void RepaintInternal();
-
-  // The callback for source to report error.
-  void OnSourceError();
-
-  // Helpers that set the network/ready state and notifies the client if
-  // they've changed.
-  void SetNetworkState(WebKit::WebMediaPlayer::NetworkState state);
-  void SetReadyState(WebKit::WebMediaPlayer::ReadyState state);
-
-  // Getter method to |client_|.
-  WebKit::WebMediaPlayerClient* GetClient();
-
-  WebKit::WebFrame* frame_;
-
-  WebKit::WebMediaPlayer::NetworkState network_state_;
-  WebKit::WebMediaPlayer::ReadyState ready_state_;
-
-  WebKit::WebTimeRanges buffered_;
-
-  // Used for DCHECKs to ensure methods calls executed in the correct thread.
-  base::ThreadChecker thread_checker_;
-
-  WebKit::WebMediaPlayerClient* client_;
-
-  base::WeakPtr<WebMediaPlayerDelegate> delegate_;
-
-  MediaStreamClient* media_stream_client_;
-  scoped_refptr<webkit_media::VideoFrameProvider> video_frame_provider_;
-  bool paused_;
-
-  // |current_frame_| is updated only on main thread. The object it holds
-  // can be freed on the compositor thread if it is the last to hold a
-  // reference but media::VideoFrame is a thread-safe ref-pointer.
-  scoped_refptr<media::VideoFrame> current_frame_;
-  // |current_frame_used_| is updated on both main and compositing thread.
-  // It's used to track whether |current_frame_| was painted for detecting
-  // when to increase |dropped_frame_count_|.
-  bool current_frame_used_;
-  base::Lock current_frame_lock_;
-  bool pending_repaint_;
-
-  scoped_ptr<webkit::WebLayerImpl> video_weblayer_;
-
-  // A pointer back to the compositor to inform it about state changes. This is
-  // not NULL while the compositor is actively using this webmediaplayer.
-  cc::VideoFrameProvider::Client* video_frame_provider_client_;
-
-  bool received_first_frame_;
-  bool sequence_started_;
-  base::TimeDelta start_time_;
-  unsigned total_frame_count_;
-  unsigned dropped_frame_count_;
-  media::SkCanvasVideoRenderer video_renderer_;
-
-  scoped_refptr<MediaStreamAudioRenderer> audio_renderer_;
-
-  scoped_refptr<media::MediaLog> media_log_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerMS);
-};
-
-}  // namespace webkit_media
-
-#endif  // WEBKIT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_