MidiFile.h revision a64c8c79af1a15911c55306d83a797fa50969f77 
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    virtual status_t    setDataSource(const char* path);
34    virtual status_t    setDataSource(int fd, int64_t offset, int64_t length);
35    virtual status_t    setVideoSurface(const sp<ISurface>& surface) { return UNKNOWN_ERROR; }
36    virtual status_t    prepare();
37    virtual status_t    prepareAsync();
38    virtual status_t    start();
39    virtual status_t    stop();
40    virtual status_t    seekTo(int msec);
41    virtual status_t    pause();
42    virtual bool        isPlaying();
43    virtual status_t    getCurrentPosition(int* msec);
44    virtual status_t    getDuration(int* msec);
45    virtual status_t    release();
46    virtual status_t    reset();
47    virtual status_t    setLooping(int loop);
48    virtual player_type playerType() { return SONIVOX_PLAYER; }
49    virtual status_t    invoke(const Parcel& request, Parcel *reply) {
50        return INVALID_OPERATION;
51    }
52
53private:
54            status_t    createOutputTrack();
55            status_t    reset_nosync();
56    static  int         renderThread(void*);
57            int         render();
58            void        updateState(){ EAS_State(mEasData, mEasHandle, &mState); }
59
60    Mutex               mMutex;
61    Condition           mCondition;
62    EAS_DATA_HANDLE     mEasData;
63    EAS_HANDLE          mEasHandle;
64    EAS_PCM*            mAudioBuffer;
65    EAS_I32             mPlayTime;
66    EAS_I32             mDuration;
67    EAS_STATE           mState;
68    EAS_FILE            mFileLocator;
69    int                 mStreamType;
70    bool                mLoop;
71    volatile bool       mExit;
72    bool                mPaused;
73    volatile bool       mRender;
74    pid_t               mTid;
75};
76
77}; // namespace android
78
79#endif // ANDROID_MIDIFILE_H
80