MidiFile.h revision 3901e5d87573447db33fb9930871a1f5266a9b2c
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 setVideoSurfaceTexture( 39 const sp<ISurfaceTexture>& surfaceTexture) 40 { return UNKNOWN_ERROR; } 41 virtual status_t prepare(); 42 virtual status_t prepareAsync(); 43 virtual status_t start(); 44 virtual status_t stop(); 45 virtual status_t seekTo(int msec); 46 virtual status_t pause(); 47 virtual bool isPlaying(); 48 virtual status_t getCurrentPosition(int* msec); 49 virtual status_t getDuration(int* msec); 50 virtual status_t release(); 51 virtual status_t reset(); 52 virtual status_t setLooping(int loop); 53 virtual player_type playerType() { return SONIVOX_PLAYER; } 54 virtual status_t invoke(const Parcel& request, Parcel *reply) { 55 return INVALID_OPERATION; 56 } 57 virtual status_t setParameter(int key, const Parcel &request) { 58 return INVALID_OPERATION; 59 } 60 virtual status_t getParameter(int key, Parcel *reply) { 61 return INVALID_OPERATION; 62 } 63 64 65private: 66 status_t createOutputTrack(); 67 status_t reset_nosync(); 68 static int renderThread(void*); 69 int render(); 70 void updateState(){ EAS_State(mEasData, mEasHandle, &mState); } 71 72 Mutex mMutex; 73 Condition mCondition; 74 EAS_DATA_HANDLE mEasData; 75 EAS_HANDLE mEasHandle; 76 EAS_PCM* mAudioBuffer; 77 EAS_I32 mPlayTime; 78 EAS_I32 mDuration; 79 EAS_STATE mState; 80 EAS_FILE mFileLocator; 81 int mStreamType; 82 bool mLoop; 83 volatile bool mExit; 84 bool mPaused; 85 volatile bool mRender; 86 pid_t mTid; 87}; 88 89}; // namespace android 90 91#endif // ANDROID_MIDIFILE_H 92