media/base/android/media_player_android.h

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_BASE_ANDROID_MEDIA_PLAYER_ANDROID_H_
   6 #define MEDIA_BASE_ANDROID_MEDIA_PLAYER_ANDROID_H_
   7
   8 #include <jni.h>
   9 #include <string>
  10
  11 #include "base/callback.h"
  12 #include "base/time/time.h"
  13 #include "media/base/media_export.h"
  14 #include "ui/gl/android/scoped_java_surface.h"
  15 #include "url/gurl.h"
  16
  17 namespace media {
  18
  19 class MediaDrmBridge;
  20 class MediaPlayerManager;
  21
  22 // This class serves as the base class for different media player
  23 // implementations on Android. Subclasses need to provide their own
  24 // MediaPlayerAndroid::Create() implementation.
  25 class MEDIA_EXPORT MediaPlayerAndroid {
  26  public:
  27   virtual ~MediaPlayerAndroid();
  28
  29   // Error types for MediaErrorCB.
  30   enum MediaErrorType {
  31     MEDIA_ERROR_FORMAT,
  32     MEDIA_ERROR_DECODE,
  33     MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK,
  34     MEDIA_ERROR_INVALID_CODE,
  35   };
  36
  37   // Callback when the player needs decoding resources.
  38   typedef base::Callback<void(int player_id)> RequestMediaResourcesCB;
  39
  40   // Callback when the player releases decoding resources.
  41   typedef base::Callback<void(int player_id)> ReleaseMediaResourcesCB;
  42
  43   // Passing an external java surface object to the player.
  44   virtual void SetVideoSurface(gfx::ScopedJavaSurface surface) = 0;
  45
  46   // Start playing the media.
  47   virtual void Start() = 0;
  48
  49   // Pause the media.
  50   virtual void Pause(bool is_media_related_action) = 0;
  51
  52   // Seek to a particular position, based on renderer signaling actual seek
  53   // with MediaPlayerHostMsg_Seek. If eventual success, OnSeekComplete() will be
  54   // called.
  55   virtual void SeekTo(base::TimeDelta timestamp) = 0;
  56
  57   // Release the player resources.
  58   virtual void Release() = 0;
  59
  60   // Set the player volume.
  61   virtual void SetVolume(double volume) = 0;
  62
  63   // Get the media information from the player.
  64   virtual int GetVideoWidth() = 0;
  65   virtual int GetVideoHeight() = 0;
  66   virtual base::TimeDelta GetDuration() = 0;
  67   virtual base::TimeDelta GetCurrentTime() = 0;
  68   virtual bool IsPlaying() = 0;
  69   virtual bool IsPlayerReady() = 0;
  70   virtual bool CanPause() = 0;
  71   virtual bool CanSeekForward() = 0;
  72   virtual bool CanSeekBackward() = 0;
  73   virtual GURL GetUrl();
  74   virtual GURL GetFirstPartyForCookies();
  75
  76   // Pass a drm bridge to a player.
  77   virtual void SetDrmBridge(MediaDrmBridge* drm_bridge);
  78
  79   // Notifies the player that a decryption key has been added. The player
  80   // may want to start/resume playback if it is waiting for a key.
  81   virtual void OnKeyAdded();
  82
  83   // Check whether the player still uses the current surface.
  84   virtual bool IsSurfaceInUse() const = 0;
  85
  86   int player_id() { return player_id_; }
  87
  88  protected:
  89   MediaPlayerAndroid(int player_id,
  90                      MediaPlayerManager* manager,
  91                      const RequestMediaResourcesCB& request_media_resources_cb,
  92                      const ReleaseMediaResourcesCB& release_media_resources_cb);
  93
  94   MediaPlayerManager* manager() { return manager_; }
  95
  96   RequestMediaResourcesCB request_media_resources_cb_;
  97
  98   ReleaseMediaResourcesCB release_media_resources_cb_;
  99
 100  private:
 101   // Player ID assigned to this player.
 102   int player_id_;
 103
 104   // Resource manager for all the media players.
 105   MediaPlayerManager* manager_;
 106
 107   DISALLOW_COPY_AND_ASSIGN(MediaPlayerAndroid);
 108 };
 109
 110 }  // namespace media
 111
 112 #endif  // MEDIA_BASE_ANDROID_MEDIA_PLAYER_ANDROID_H_