media_player_android.h revision cedac228d2dd51db4b79ea1e72c7f249408ee061 
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
17namespace media {
18
19class MediaKeys;
20class 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.
25class 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  // Associates the |cdm| with this player.
77  virtual void SetCdm(MediaKeys* cdm);
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_
113