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 sp<IMediaHTTPService> &httpService, 36 const char* path, 37 const KeyedVector<String8, String8> *headers); 38 39 virtual status_t setDataSource(int fd, int64_t offset, int64_t length); setVideoSurfaceTexture(const sp<IGraphicBufferProducer> &)40 virtual status_t setVideoSurfaceTexture( 41 const sp<IGraphicBufferProducer>& /*bufferProducer*/) 42 { return UNKNOWN_ERROR; } 43 virtual status_t prepare(); 44 virtual status_t prepareAsync(); 45 virtual status_t start(); 46 virtual status_t stop(); 47 virtual status_t seekTo(int msec); 48 virtual status_t pause(); 49 virtual bool isPlaying(); 50 virtual status_t getCurrentPosition(int* msec); 51 virtual status_t getDuration(int* msec); 52 virtual status_t release(); 53 virtual status_t reset(); 54 virtual status_t setLooping(int loop); playerType()55 virtual player_type playerType() { return SONIVOX_PLAYER; } invoke(const Parcel &,Parcel *)56 virtual status_t invoke(const Parcel& /*request*/, Parcel* /*reply*/) { 57 return INVALID_OPERATION; 58 } setParameter(int,const Parcel &)59 virtual status_t setParameter(int /*key*/, const Parcel &/*request*/) { 60 return INVALID_OPERATION; 61 } getParameter(int,Parcel *)62 virtual status_t getParameter(int /*key*/, Parcel* /*reply*/) { 63 return INVALID_OPERATION; 64 } 65 66 67 private: 68 status_t createOutputTrack(); 69 status_t reset_nosync(); 70 int render(); updateState()71 void updateState(){ EAS_State(mEasData, mEasHandle, &mState); } 72 73 Mutex mMutex; 74 Condition mCondition; 75 EAS_DATA_HANDLE mEasData; 76 EAS_HANDLE mEasHandle; 77 EAS_PCM* mAudioBuffer; 78 EAS_I32 mPlayTime; 79 EAS_I32 mDuration; 80 EAS_STATE mState; 81 EAS_FILE mFileLocator; 82 audio_stream_type_t mStreamType; 83 bool mLoop; 84 volatile bool mExit; 85 bool mPaused; 86 volatile bool mRender; 87 pid_t mTid; 88 89 class MidiFileThread : public Thread { 90 public: MidiFileThread(MidiFile * midiPlayer)91 MidiFileThread(MidiFile *midiPlayer) : mMidiFile(midiPlayer) { 92 } 93 94 protected: ~MidiFileThread()95 virtual ~MidiFileThread() {} 96 97 private: 98 MidiFile *mMidiFile; 99 threadLoop()100 bool threadLoop() { 101 int result; 102 result = mMidiFile->render(); 103 return false; 104 } 105 106 MidiFileThread(const MidiFileThread &); 107 MidiFileThread &operator=(const MidiFileThread &); 108 }; 109 110 sp<MidiFileThread> mThread; 111 }; 112 113 }; // namespace android 114 115 #endif // ANDROID_MIDIFILE_H 116