MidiFile.h revision 1173118eace0e9e347cb007f0da817cee87579ed
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 59private: 60 status_t createOutputTrack(); 61 status_t reset_nosync(); 62 static int renderThread(void*); 63 int render(); 64 void updateState(){ EAS_State(mEasData, mEasHandle, &mState); } 65 66 Mutex mMutex; 67 Condition mCondition; 68 EAS_DATA_HANDLE mEasData; 69 EAS_HANDLE mEasHandle; 70 EAS_PCM* mAudioBuffer; 71 EAS_I32 mPlayTime; 72 EAS_I32 mDuration; 73 EAS_STATE mState; 74 EAS_FILE mFileLocator; 75 int mStreamType; 76 bool mLoop; 77 volatile bool mExit; 78 bool mPaused; 79 volatile bool mRender; 80 pid_t mTid; 81}; 82 83}; // namespace android 84 85#endif // ANDROID_MIDIFILE_H 86