MidiFile.h revision d608a813a9d2cbc6e2a5ea81d78d4a9044090c4c
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 virtual status_t getMetadata(const SortedVector<MetadataType>& ids, 53 Parcel *records) { 54 return INVALID_OPERATION; 55 } 56 57private: 58 status_t createOutputTrack(); 59 status_t reset_nosync(); 60 static int renderThread(void*); 61 int render(); 62 void updateState(){ EAS_State(mEasData, mEasHandle, &mState); } 63 64 Mutex mMutex; 65 Condition mCondition; 66 EAS_DATA_HANDLE mEasData; 67 EAS_HANDLE mEasHandle; 68 EAS_PCM* mAudioBuffer; 69 EAS_I32 mPlayTime; 70 EAS_I32 mDuration; 71 EAS_STATE mState; 72 EAS_FILE mFileLocator; 73 int mStreamType; 74 bool mLoop; 75 volatile bool mExit; 76 bool mPaused; 77 volatile bool mRender; 78 pid_t mTid; 79}; 80 81}; // namespace android 82 83#endif // ANDROID_MIDIFILE_H 84