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author | Chris Xiong <chirs241097@gmail.com> | 2017-06-16 23:51:26 +0800 |
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committer | Chris Xiong <chirs241097@gmail.com> | 2017-06-16 23:51:26 +0800 |
commit | 64c91c7da66ba71e2bb32077680f234aba4ac65d (patch) | |
tree | dc44e44c4f2b1530952f57538d7164f712b61b02 /core/qmpmidiplay.cpp | |
parent | 37ba9dd1ce449bc2c2f422dd04225bc68bd89c59 (diff) | |
download | QMidiPlayer-64c91c7da66ba71e2bb32077680f234aba4ac65d.tar.xz |
Code refactoring and fix to memory leaks.
Diffstat (limited to 'core/qmpmidiplay.cpp')
-rw-r--r-- | core/qmpmidiplay.cpp | 104 |
1 files changed, 69 insertions, 35 deletions
diff --git a/core/qmpmidiplay.cpp b/core/qmpmidiplay.cpp index b72ebe8..c8169ca 100644 --- a/core/qmpmidiplay.cpp +++ b/core/qmpmidiplay.cpp @@ -1,5 +1,6 @@ #include <cstdio> #include <cstring> +#include <algorithm> #include <chrono> #include <thread> #include <fluidsynth.h> @@ -28,9 +29,9 @@ void CMidiPlayer::fluidInitialize() #ifndef _WIN32 if(!singleInstance) { - if(midiReaders->getStandard()==4) + if(midiFile->std==4) fluid_synth_set_channel_type(synth,9,CHANNEL_TYPE_MELODIC); - else if(midiReaders->getStandard()==1) + else if(midiFile->std==1) fluid_synth_set_channel_type(synth,9,CHANNEL_TYPE_DRUM); else { @@ -194,6 +195,11 @@ void w32usleep(uint64_t t) timeEndPeriod(1); } #endif +SEvent* CMidiPlayer::getEvent(int id) +{ + size_t t=eorder[id].first,e=eorder[id].second; + return &midiFile->tracks[t].eventList[e]; +} void CMidiPlayer::prePlayInit() { playerPanic(true); @@ -202,26 +208,26 @@ void CMidiPlayer::prePlayInit() } void CMidiPlayer::playEvents() { - for(ct=midiReaders->getEvent(0)->time;tceptr<midiReaders->getEventCount();) + for(ct=getEvent(0)->time;tceptr<ecnt;) { while(tcpaused)std::this_thread::sleep_for(std::chrono::milliseconds(100)); using namespace std::chrono; high_resolution_clock::time_point b=high_resolution_clock::now(); - while(!tcstop&&midiReaders&&tceptr<midiReaders->getEventCount()&&ct==midiReaders->getEvent(tceptr)->time) - processEvent(midiReaders->getEvent(tceptr++)); - if(tcstop||!midiReaders||tceptr>=midiReaders->getEventCount())break; + while(!tcstop&&midiReaders&&tceptr<ecnt&&ct==getEvent(tceptr)->time) + processEvent(getEvent(tceptr++)); + if(tcstop||!midiReaders||tceptr>=ecnt)break; high_resolution_clock::time_point a=high_resolution_clock::now(); auto sendtime=a-b; if(resumed)resumed=false; else - if(sendtime.count()<(midiReaders->getEvent(tceptr)->time-ct)*dpt) + if(sendtime.count()<(getEvent(tceptr)->time-ct)*dpt) #ifdef _WIN32 - w32usleep(((midiReaders->getEvent(tceptr)->time-ct)*dpt-sendtime.count())/1000); + w32usleep(((getEvent(tceptr)->time-ct)*dpt-sendtime.count())/1000); #else - std::this_thread::sleep_for(std::chrono::nanoseconds((midiReaders->getEvent(tceptr)->time-ct)*dpt-sendtime.count())); + std::this_thread::sleep_for(std::chrono::nanoseconds((getEvent(tceptr)->time-ct)*dpt-sendtime.count())); #endif if(tcstop||!midiReaders)break; - ct=midiReaders->getEvent(tceptr)->time; + ct=getEvent(tceptr)->time; } while(!tcstop&&synth&&(waitvoice&&fluid_synth_get_active_voice_count(synth)>0))std::this_thread::sleep_for(std::chrono::milliseconds(2)); finished=1; @@ -229,13 +235,13 @@ void CMidiPlayer::playEvents() void CMidiPlayer::fileTimer1Pass() { ftime=.0;ctempo=0x7A120;dpt=ctempo*1000/divs; - for(uint32_t eptr=0,ct=midiReaders->getEvent(0)->time;eptr<midiReaders->getEventCount();) + for(uint32_t eptr=0,ct=getEvent(0)->time;eptr<ecnt;) { - while(eptr<midiReaders->getEventCount()&&ct==midiReaders->getEvent(eptr)->time) - processEventStub(midiReaders->getEvent(eptr++)); - if(eptr>=midiReaders->getEventCount())break; - ftime+=(midiReaders->getEvent(eptr)->time-ct)*dpt/1e9; - ct=midiReaders->getEvent(eptr)->time; + while(eptr<ecnt&&ct==getEvent(eptr)->time) + processEventStub(getEvent(eptr++)); + if(eptr>=ecnt)break; + ftime+=(getEvent(eptr)->time-ct)*dpt/1e9; + ct=getEvent(eptr)->time; } } void CMidiPlayer::fileTimer2Pass() @@ -251,15 +257,15 @@ void CMidiPlayer::fileTimer2Pass() ccc[i][76]=64;ccc[i][77]=64;ccc[i][78]=64; ccc[i][131]=dpt;ccc[i][132]=0x04021808; ccc[i][133]=0;ccc[i][134]=2; - }if(midiReaders->getStandard()!=4)ccc[9][0]=128; + }if(midiFile->std!=4)ccc[9][0]=128; for(int i=0;i<16;++i)for(int j=0;j<135;++j) ccstamps[0][i][j]=ccc[i][j]; - for(uint32_t eptr=0,ct=midiReaders->getEvent(0)->time;eptr<midiReaders->getEventCount();) + for(uint32_t eptr=0,ct=getEvent(0)->time;eptr<ecnt;) { - while(eptr<midiReaders->getEventCount()&&ct==midiReaders->getEvent(eptr)->time) - processEventStub(midiReaders->getEvent(eptr++)); - if(eptr>=midiReaders->getEventCount())break; - ctime+=(midiReaders->getEvent(eptr)->time-ct)*dpt/1e9; + while(eptr<ecnt&&ct==getEvent(eptr)->time) + processEventStub(getEvent(eptr++)); + if(eptr>=ecnt)break; + ctime+=(getEvent(eptr)->time-ct)*dpt/1e9; while(ctime>ftime*c/100.) { for(int i=0;i<16;++i)for(int j=0;j<135;++j) @@ -267,19 +273,19 @@ void CMidiPlayer::fileTimer2Pass() stamps[c++]=eptr; if(c>100)break; } - ct=midiReaders->getEvent(eptr)->time; + ct=getEvent(eptr)->time; } while(c<101) { for(int i=0;i<16;++i)for(int j=0;j<135;++j) ccstamps[c][i][j]=ccc[i][j]; - stamps[c++]=midiReaders->getEventCount(); + stamps[c++]=ecnt; } } CMidiPlayer::CMidiPlayer(bool singleInst) { midiReaders=new CMidiFileReaderCollection(); - resumed=false;singleInstance=singleInst; + resumed=false;singleInstance=singleInst;midiFile=NULL; settings=NULL;synth=NULL;adriver=NULL;waitvoice=true; memset(eventHandlerCB,0,sizeof(eventHandlerCB)); memset(eventHandlerCBuserdata,0,sizeof(eventHandlerCBuserdata)); @@ -304,7 +310,7 @@ CMidiPlayer::CMidiPlayer(bool singleInst) CMidiPlayer::~CMidiPlayer() { if(singleInstance||settings||synth||adriver)fluidDeinitialize(); - delete midiReaders;delete mapper; + if(midiFile)delete midiFile;delete midiReaders;delete mapper; } void CMidiPlayer::playerPanic(bool reset) { @@ -330,11 +336,27 @@ void CMidiPlayer::playerPanic(bool reset) } bool CMidiPlayer::playerLoadFile(const char* fn) { - notes=0;midiReaders->readFile(fn); - if(!midiReaders->isValid())return false; - divs=midiReaders->getDivision(); + notes=0;if(midiFile)delete midiFile; + midiFile=midiReaders->readFile(fn); + if(!midiFile->valid)return false; + divs=midiFile->divs;maxtk=ecnt=0; + for(CMidiTrack& i:midiFile->tracks) + { + ecnt+=i.eventList.size(); + maxtk=std::max(maxtk,i.eventList.back().time); + } for(int i=0;i<16;++i)if(fileReadFinishCB[i]) fileReadFinishCB[i]->callBack(NULL,fileReadFinishCBuserdata[i]); + eorder.clear(); + for(size_t i=0;i<midiFile->tracks.size();++i) + for(size_t j=0;j<midiFile->tracks[i].eventList.size();++j) + eorder.push_back(std::make_pair(i,j)); + std::sort(eorder.begin(),eorder.end(), + [this](std::pair<size_t,size_t> &a,std::pair<size_t,size_t> &b)->bool{ + return midiFile->tracks[a.first].eventList[a.second]< + midiFile->tracks[b.first].eventList[b.second]; + } + ); fileTimer1Pass(); fileTimer2Pass(); return true; @@ -355,7 +377,7 @@ void CMidiPlayer::playerInit() void CMidiPlayer::playerDeinit() { tceptr=0;tcstop=1;tcpaused=0; - midiReaders->destructFile(); + delete midiFile;midiFile=NULL; if(!singleInstance)fluidDeinitialize(); } void CMidiPlayer::playerThread() @@ -399,7 +421,7 @@ uint32_t CMidiPlayer::getTCeptr(){return tceptr;} void CMidiPlayer::setTCeptr(uint32_t ep,uint32_t st) { resumed=true; - if(ep==midiReaders->getEventCount())tcstop=1;else tceptr=ep; + if(ep==ecnt)tcstop=1;else tceptr=ep; for(int i=0;i<16;++i) { for(int j=0;j<120;++j)fluid_synth_cc(synth,i,j,ccstamps[st][i][j]); @@ -416,14 +438,14 @@ double CMidiPlayer::getFtime(){return ftime;} void CMidiPlayer::getCurrentTimeSignature(int *n,int *d){*n=ctsn;*d=ctsd;} int CMidiPlayer::getCurrentKeySignature(){return cks;} uint32_t CMidiPlayer::getFileNoteCount(){return notes;} -uint32_t CMidiPlayer::getFileStandard(){return midiReaders?midiReaders->getStandard():0;} -const char* CMidiPlayer::getTitle(){return midiReaders?midiReaders->getTitle():"";} -const char* CMidiPlayer::getCopyright(){return midiReaders?midiReaders->getCopyright():"";} +uint32_t CMidiPlayer::getFileStandard(){return midiFile?midiFile->std:0;} +const char* CMidiPlayer::getTitle(){return midiFile?midiFile->title:"";} +const char* CMidiPlayer::getCopyright(){return midiFile?midiFile->copyright:"";} double CMidiPlayer::getTempo(){return 60./(ctempo/1e6);} uint32_t CMidiPlayer::getTick(){return ct;} uint32_t CMidiPlayer::getRawTempo(){return ctempo;} uint32_t CMidiPlayer::getDivision(){return divs;} -uint32_t CMidiPlayer::getMaxTick(){return midiReaders->getMaxTick();} +uint32_t CMidiPlayer::getMaxTick(){return maxtk;} double CMidiPlayer::getPitchBend(int ch){return((int)pbv[ch]-8192)/8192.*pbr[ch];} uint32_t CMidiPlayer::getTCpaused(){return tcpaused;} void CMidiPlayer::setTCpaused(uint32_t ps){tcpaused=ps;} @@ -471,6 +493,18 @@ void CMidiPlayer::setChannelPreset(int ch,int b,int p) fluid_synth_program_change(synth,ch,p); } } +void CMidiPlayer::dumpFile() +{ + if(!midiFile)return; + for(CMidiTrack &i:midiFile->tracks) + for(SEvent &j:i.eventList) + if(j.str.length()) + printf("type %x #%d @%d p1 %d p2 %d str %s\n",j.type, + j.iid,j.time,j.p1,j.p2,j.str.c_str()); + else + printf("type %x #%d @%d p1 %d p2 %d\n",j.type,j.iid, + j.time,j.p1,j.p2); +} //16MSB..LSB1 void CMidiPlayer::setBit(uint16_t &n, uint16_t bn, uint16_t b) {n^=(((~b)+1)^n)&(1<<bn);} |