JetPlayer.h revision cce8bd12da6d8419a8770e4552a51ec297c250c2 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef JETPLAYER_H_
18#define JETPLAYER_H_
19
20#include <utils/threads.h>
21#include <nativehelper/jni.h>
22
23#include <libsonivox/jet.h>
24#include <libsonivox/eas_types.h>
25#include "AudioTrack.h"
26
27
28namespace android {
29
30typedef void (*jetevent_callback)(int eventType, int val1, int val2, void *cookie);
31
32class JetPlayer {
33
34public:
35
36    static const int JET_USERID_UPDATE           = 1;
37    static const int JET_NUMQUEUEDSEGMENT_UPDATE = 2;
38    static const int JET_PAUSE_UPDATE            = 3;
39
40    JetPlayer(jobject javaJetPlayer,
41            int maxTracks = 32,
42            int trackBufferSize = 1200);
43    ~JetPlayer();
44    int init();
45    int release();
46
47    int openFile(const char* url);
48    int closeFile();
49    int play();
50    int pause();
51    int queueSegment(int segmentNum, int libNum, int repeatCount, int transpose,
52            EAS_U32 muteFlags, EAS_U8 userID);
53    int setMuteFlags(EAS_U32 muteFlags, bool sync);
54    int setMuteFlag(int trackNum, bool muteFlag, bool sync);
55    int triggerClip(int clipId);
56
57    void setEventCallback(jetevent_callback callback);
58
59    int getMaxTracks() { return mMaxTracks; };
60
61
62private:
63    static  int         renderThread(void*);
64    int                 render();
65    void                fireEventOnStatusChange();
66
67    JetPlayer() {} // no default constructor
68    void dump();
69    void dumpJetStatus(S_JET_STATUS* pJetStatus);
70
71    jetevent_callback   mEventCallback;
72
73    jobject             mJavaJetPlayerRef;
74    Mutex               mMutex; // mutex to sync the render and playback thread with the JET calls
75    pid_t               mTid;
76    Condition           mCondition;
77    volatile bool       mRender;
78    bool                mPaused;
79
80    EAS_STATE           mState;
81    int*                mMemFailedVar;
82
83    int                 mMaxTracks; // max number of MIDI tracks, usually 32
84    EAS_DATA_HANDLE     mEasData;
85    EAS_FILE_LOCATOR    mEasJetFileLoc;
86    EAS_PCM*            mAudioBuffer;// EAS renders the MIDI data into this buffer,
87    AudioTrack*         mAudioTrack; // and we play it in this audio track
88    int                 mTrackBufferSize;
89    S_JET_STATUS        mJetStatus;
90    S_JET_STATUS        mPreviousJetStatus;
91
92    char                mJetFilePath[256];
93
94
95}; // end class JetPlayer
96
97} // end namespace android
98
99
100
101#endif /*JETPLAYER_H_*/
102