1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_MEDIAPLAYER_H
#define ANDROID_MEDIAPLAYER_H
#include <utils/IMemory.h>
#include <ui/Surface.h>
#include <media/IMediaPlayerClient.h>
#include <media/IMediaPlayer.h>
#include <media/IMediaPlayerService.h>
#include <utils/SortedVector.h>
namespace android {
enum media_event_type {
MEDIA_NOP = 0, // interface test message
MEDIA_PREPARED = 1,
MEDIA_PLAYBACK_COMPLETE = 2,
MEDIA_BUFFERING_UPDATE = 3,
MEDIA_SEEK_COMPLETE = 4,
MEDIA_SET_VIDEO_SIZE = 5,
MEDIA_ERROR = 100,
MEDIA_INFO = 200,
};
// Generic error codes for the media player framework. Errors are fatal, the
// playback must abort.
//
// Errors are communicated back to the client using the
// MediaPlayerListener::notify method defined below.
// In this situation, 'notify' is invoked with the following:
// 'msg' is set to MEDIA_ERROR.
// 'ext1' should be a value from the enum media_error_type.
// 'ext2' contains an implementation dependant error code to provide
// more details. Should default to 0 when not used.
//
// The codes are distributed as follow:
// 0xx: Reserved
// 1xx: Android Player errors. Something went wrong inside the MediaPlayer.
// 2xx: Media errors (e.g Codec not supported). There is a problem with the
// media itself.
// 3xx: Runtime errors. Some extraordinary condition arose making the playback
// impossible.
//
enum media_error_type {
// 0xx
MEDIA_ERROR_UNKNOWN = 1,
// 1xx
MEDIA_ERROR_SERVER_DIED = 100,
// 2xx
MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK = 200,
// 3xx
};
// Info and warning codes for the media player framework. These are non fatal,
// the playback is going on but there might be some user visible issues.
//
// Info and warning messages are communicated back to the client using the
// MediaPlayerListener::notify method defined below. In this situation,
// 'notify' is invoked with the following:
// 'msg' is set to MEDIA_INFO.
// 'ext1' should be a value from the enum media_info_type.
// 'ext2' contains an implementation dependant error code to provide
// more details. Should default to 0 when not used.
//
// The codes are distributed as follow:
// 0xx: Reserved
// 7xx: Android Player info/warning (e.g player lagging behind.)
// 8xx: Media info/warning (e.g media badly interleaved.)
//
enum media_info_type {
// 0xx
MEDIA_INFO_UNKNOWN = 1,
// 7xx
// The video is too complex for the decoder: it can't decode frames fast
// enough. Possibly only the audio plays fine at this stage.
MEDIA_INFO_VIDEO_TRACK_LAGGING = 700,
// 8xx
// Bad interleaving means that a media has been improperly interleaved or not
// interleaved at all, e.g has all the video samples first then all the audio
// ones. Video is playing but a lot of disk seek may be happening.
MEDIA_INFO_BAD_INTERLEAVING = 800,
// The media is not seekable (e.g live stream).
MEDIA_INFO_NOT_SEEKABLE = 801,
};
enum media_player_states {
MEDIA_PLAYER_STATE_ERROR = 0,
MEDIA_PLAYER_IDLE = 1 << 0,
MEDIA_PLAYER_INITIALIZED = 1 << 1,
MEDIA_PLAYER_PREPARING = 1 << 2,
MEDIA_PLAYER_PREPARED = 1 << 3,
MEDIA_PLAYER_STARTED = 1 << 4,
MEDIA_PLAYER_PAUSED = 1 << 5,
MEDIA_PLAYER_STOPPED = 1 << 6,
MEDIA_PLAYER_PLAYBACK_COMPLETE = 1 << 7
};
// ----------------------------------------------------------------------------
// ref-counted object for callbacks
class MediaPlayerListener: virtual public RefBase
{
public:
virtual void notify(int msg, int ext1, int ext2) = 0;
};
class MediaPlayer : public BnMediaPlayerClient
{
public:
MediaPlayer();
~MediaPlayer();
void onFirstRef();
void disconnect();
status_t setDataSource(const char *url);
status_t setDataSource(int fd, int64_t offset, int64_t length);
status_t setVideoSurface(const sp<Surface>& surface);
status_t setListener(const sp<MediaPlayerListener>& listener);
status_t prepare();
status_t prepareAsync();
status_t start();
status_t stop();
status_t pause();
bool isPlaying();
status_t getVideoWidth(int *w);
status_t getVideoHeight(int *h);
status_t seekTo(int msec);
status_t getCurrentPosition(int *msec);
status_t getDuration(int *msec);
status_t reset();
status_t setAudioStreamType(int type);
status_t setLooping(int loop);
bool isLooping();
status_t setVolume(float leftVolume, float rightVolume);
void notify(int msg, int ext1, int ext2);
static sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat);
static sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat);
private:
void clear_l();
status_t seekTo_l(int msec);
status_t prepareAsync_l();
status_t getDuration_l(int *msec);
status_t setDataSource(const sp<IMediaPlayer>& player);
static const sp<IMediaPlayerService>& getMediaPlayerService();
static void addObitRecipient(const wp<MediaPlayer>& recipient);
static void removeObitRecipient(const wp<MediaPlayer>& recipient);
class DeathNotifier: public IBinder::DeathRecipient
{
public:
DeathNotifier() {}
virtual ~DeathNotifier();
virtual void binderDied(const wp<IBinder>& who);
};
sp<IMediaPlayer> mPlayer;
thread_id_t mLockThreadId;
Mutex mLock;
Mutex mNotifyLock;
Condition mSignal;
sp<MediaPlayerListener> mListener;
void* mCookie;
media_player_states mCurrentState;
int mDuration;
int mCurrentPosition;
int mSeekPosition;
bool mPrepareSync;
status_t mPrepareStatus;
int mStreamType;
bool mLoop;
float mLeftVolume;
float mRightVolume;
int mVideoWidth;
int mVideoHeight;
friend class DeathNotifier;
static Mutex sServiceLock;
static sp<IMediaPlayerService> sMediaPlayerService;
static sp<DeathNotifier> sDeathNotifier;
static SortedVector< wp<MediaPlayer> > sObitRecipients;
};
}; // namespace android
#endif // ANDROID_MEDIAPLAYER_H
|
