1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef JETPLAYER_H_ 18 #define JETPLAYER_H_ 19 20 #include <utils/threads.h> 21 22 #include <libsonivox/jet.h> 23 #include <libsonivox/eas_types.h> 24 #include <media/AudioTrack.h> 25 #include <media/MidiIoWrapper.h> 26 27 28 namespace android { 29 30 typedef void (*jetevent_callback)(int eventType, int val1, int val2, void *cookie); 31 32 class JetPlayer { 33 34 public: 35 36 // to keep in sync with the JetPlayer class constants 37 // defined in frameworks/base/media/java/android/media/JetPlayer.java 38 static const int JET_EVENT = 1; 39 static const int JET_USERID_UPDATE = 2; 40 static const int JET_NUMQUEUEDSEGMENT_UPDATE = 3; 41 static const int JET_PAUSE_UPDATE = 4; 42 43 JetPlayer(void *javaJetPlayer, 44 int maxTracks = 32, 45 int trackBufferSize = 1200); 46 ~JetPlayer(); 47 int init(); 48 int release(); 49 50 int loadFromFile(const char* url); 51 int loadFromFD(const int fd, const long long offset, const long long length); 52 int closeFile(); 53 int play(); 54 int pause(); 55 int queueSegment(int segmentNum, int libNum, int repeatCount, int transpose, 56 EAS_U32 muteFlags, EAS_U8 userID); 57 int setMuteFlags(EAS_U32 muteFlags, bool sync); 58 int setMuteFlag(int trackNum, bool muteFlag, bool sync); 59 int triggerClip(int clipId); 60 int clearQueue(); 61 62 void setEventCallback(jetevent_callback callback); 63 getMaxTracks()64 int getMaxTracks() { return mMaxTracks; }; 65 66 67 private: 68 int render(); 69 void fireUpdateOnStatusChange(); 70 void fireEventsFromJetQueue(); 71 JetPlayer()72 JetPlayer() {} // no default constructor 73 void dump(); 74 void dumpJetStatus(S_JET_STATUS* pJetStatus); 75 76 jetevent_callback mEventCallback; 77 78 void* mJavaJetPlayerRef; 79 Mutex mMutex; // mutex to sync the render and playback thread with the JET calls 80 pid_t mTid; 81 Condition mCondition; 82 volatile bool mRender; 83 bool mPaused; 84 85 EAS_STATE mState; 86 int* mMemFailedVar; 87 88 int mMaxTracks; // max number of MIDI tracks, usually 32 89 EAS_DATA_HANDLE mEasData; 90 sp<MidiIoWrapper> mIoWrapper; 91 EAS_PCM* mAudioBuffer;// EAS renders the MIDI data into this buffer, 92 sp<AudioTrack> mAudioTrack; // and we play it in this audio track 93 int mTrackBufferSize; 94 S_JET_STATUS mJetStatus; 95 S_JET_STATUS mPreviousJetStatus; 96 97 class JetPlayerThread : public Thread { 98 public: JetPlayerThread(JetPlayer * player)99 JetPlayerThread(JetPlayer *player) : mPlayer(player) { 100 } 101 102 protected: ~JetPlayerThread()103 virtual ~JetPlayerThread() {} 104 105 private: 106 JetPlayer *mPlayer; 107 threadLoop()108 bool threadLoop() { 109 int result; 110 result = mPlayer->render(); 111 return false; 112 } 113 114 JetPlayerThread(const JetPlayerThread &); 115 JetPlayerThread &operator=(const JetPlayerThread &); 116 }; 117 118 sp<JetPlayerThread> mThread; 119 120 }; // end class JetPlayer 121 122 } // end namespace android 123 124 125 126 #endif /*JETPLAYER_H_*/ 127