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 <libsonivox/eas.h> 23 24 namespace android { 25 26 // Note that the name MidiFile is misleading; this actually represents a MIDI file player 27 class MidiFile : public MediaPlayerInterface { 28 public: 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); setVideoSurfaceTexture(const sp<ISurfaceTexture> & surfaceTexture)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); playerType()53 virtual player_type playerType() { return SONIVOX_PLAYER; } invoke(const Parcel & request,Parcel * reply)54 virtual status_t invoke(const Parcel& request, Parcel *reply) { 55 return INVALID_OPERATION; 56 } setParameter(int key,const Parcel & request)57 virtual status_t setParameter(int key, const Parcel &request) { 58 return INVALID_OPERATION; 59 } getParameter(int key,Parcel * reply)60 virtual status_t getParameter(int key, Parcel *reply) { 61 return INVALID_OPERATION; 62 } 63 64 65 private: 66 status_t createOutputTrack(); 67 status_t reset_nosync(); 68 int render(); updateState()69 void updateState(){ EAS_State(mEasData, mEasHandle, &mState); } 70 71 Mutex mMutex; 72 Condition mCondition; 73 EAS_DATA_HANDLE mEasData; 74 EAS_HANDLE mEasHandle; 75 EAS_PCM* mAudioBuffer; 76 EAS_I32 mPlayTime; 77 EAS_I32 mDuration; 78 EAS_STATE mState; 79 EAS_FILE mFileLocator; 80 audio_stream_type_t mStreamType; 81 bool mLoop; 82 volatile bool mExit; 83 bool mPaused; 84 volatile bool mRender; 85 pid_t mTid; 86 87 class MidiFileThread : public Thread { 88 public: MidiFileThread(MidiFile * midiPlayer)89 MidiFileThread(MidiFile *midiPlayer) : mMidiFile(midiPlayer) { 90 } 91 92 protected: ~MidiFileThread()93 virtual ~MidiFileThread() {} 94 95 private: 96 MidiFile *mMidiFile; 97 threadLoop()98 bool threadLoop() { 99 int result; 100 result = mMidiFile->render(); 101 return false; 102 } 103 104 MidiFileThread(const MidiFileThread &); 105 MidiFileThread &operator=(const MidiFileThread &); 106 }; 107 108 sp<MidiFileThread> mThread; 109 }; 110 111 }; // namespace android 112 113 #endif // ANDROID_MIDIFILE_H 114