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
|
/*
**
** Copyright 2008, 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_MIDIFILE_H
#define ANDROID_MIDIFILE_H
#include <media/MediaPlayerInterface.h>
#include <libsonivox/eas.h>
namespace android {
// Note that the name MidiFile is misleading; this actually represents a MIDI file player
class MidiFile : public MediaPlayerInterface {
public:
MidiFile();
~MidiFile();
virtual status_t initCheck();
virtual status_t setDataSource(
const sp<IMediaHTTPService> &httpService,
const char* path,
const KeyedVector<String8, String8> *headers);
virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
virtual status_t setVideoSurfaceTexture(
const sp<IGraphicBufferProducer>& /*bufferProducer*/)
{ return UNKNOWN_ERROR; }
virtual status_t prepare();
virtual status_t prepareAsync();
virtual status_t start();
virtual status_t stop();
virtual status_t seekTo(int msec);
virtual status_t pause();
virtual bool isPlaying();
virtual status_t getCurrentPosition(int* msec);
virtual status_t getDuration(int* msec);
virtual status_t release();
virtual status_t reset();
virtual status_t setLooping(int loop);
virtual player_type playerType() { return SONIVOX_PLAYER; }
virtual status_t invoke(const Parcel& /*request*/, Parcel* /*reply*/) {
return INVALID_OPERATION;
}
virtual status_t setParameter(int /*key*/, const Parcel &/*request*/) {
return INVALID_OPERATION;
}
virtual status_t getParameter(int /*key*/, Parcel* /*reply*/) {
return INVALID_OPERATION;
}
private:
status_t createOutputTrack();
status_t reset_nosync();
int render();
void updateState(){ EAS_State(mEasData, mEasHandle, &mState); }
Mutex mMutex;
Condition mCondition;
EAS_DATA_HANDLE mEasData;
EAS_HANDLE mEasHandle;
EAS_PCM* mAudioBuffer;
EAS_I32 mPlayTime;
EAS_I32 mDuration;
EAS_STATE mState;
EAS_FILE mFileLocator;
audio_stream_type_t mStreamType;
bool mLoop;
volatile bool mExit;
bool mPaused;
volatile bool mRender;
pid_t mTid;
class MidiFileThread : public Thread {
public:
MidiFileThread(MidiFile *midiPlayer) : mMidiFile(midiPlayer) {
}
protected:
virtual ~MidiFileThread() {}
private:
MidiFile *mMidiFile;
bool threadLoop() {
int result;
result = mMidiFile->render();
return false;
}
MidiFileThread(const MidiFileThread &);
MidiFileThread &operator=(const MidiFileThread &);
};
sp<MidiFileThread> mThread;
};
}; // namespace android
#endif // ANDROID_MIDIFILE_H
|
