MidiFile.h revision 4f9e47f2c03ce36261c4717cd7e131d7940bb068 
1/*
2**
3** Copyright 2008, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#ifndef ANDROID_MIDIFILE_H
19#define ANDROID_MIDIFILE_H
20
21#include <media/MediaPlayerInterface.h>
22#include <media/AudioTrack.h>
23#include <libsonivox/eas.h>
24
25namespace android {
26
27class MidiFile : public MediaPlayerInterface {
28public:
29                        MidiFile();
30                        ~MidiFile();
31
32    virtual status_t    initCheck();
33
34    virtual status_t    setDataSource(
35            const char* path, const KeyedVector<String8, String8> *headers);
36
37    virtual status_t    setDataSource(int fd, int64_t offset, int64_t length);
38    virtual status_t    setVideoSurface(const sp<Surface>& surface) { return UNKNOWN_ERROR; }
39    virtual status_t    setVideoSurfaceTexture(
40                                const sp<ISurfaceTexture>& surfaceTexture)
41                            { return UNKNOWN_ERROR; }
42    virtual status_t    prepare();
43    virtual status_t    prepareAsync();
44    virtual status_t    start();
45    virtual status_t    stop();
46    virtual status_t    seekTo(int msec);
47    virtual status_t    pause();
48    virtual bool        isPlaying();
49    virtual status_t    getCurrentPosition(int* msec);
50    virtual status_t    getDuration(int* msec);
51    virtual status_t    release();
52    virtual status_t    reset();
53    virtual status_t    setLooping(int loop);
54    virtual player_type playerType() { return SONIVOX_PLAYER; }
55    virtual status_t    invoke(const Parcel& request, Parcel *reply) {
56        return INVALID_OPERATION;
57    }
58    virtual status_t    setParameter(int key, const Parcel &request) {
59        return INVALID_OPERATION;
60    }
61    virtual status_t    getParameter(int key, Parcel *reply) {
62        return INVALID_OPERATION;
63    }
64
65
66private:
67            status_t    createOutputTrack();
68            status_t    reset_nosync();
69    static  int         renderThread(void*);
70            int         render();
71            void        updateState(){ EAS_State(mEasData, mEasHandle, &mState); }
72
73    Mutex               mMutex;
74    Condition           mCondition;
75    EAS_DATA_HANDLE     mEasData;
76    EAS_HANDLE          mEasHandle;
77    EAS_PCM*            mAudioBuffer;
78    EAS_I32             mPlayTime;
79    EAS_I32             mDuration;
80    EAS_STATE           mState;
81    EAS_FILE            mFileLocator;
82    int                 mStreamType;
83    bool                mLoop;
84    volatile bool       mExit;
85    bool                mPaused;
86    volatile bool       mRender;
87    pid_t               mTid;
88};
89
90}; // namespace android
91
92#endif // ANDROID_MIDIFILE_H
93