Lines Matching refs:sample

389 function sf2_create(sf2_bin,instr){var i,sid,gen,parm,sampleRate,sample,infos,parser=new sf2.Parser(sf2_bin)
398 sample=parser.sample[sid]
399 parm={attack:Math.pow(2,(gen.attackVolEnv?gen.attackVolEnv.amount:-12000)/1200),hold:Math.pow(2,(gen.holdVolEnv?gen.holdVolEnv.amount:-12000)/1200),decay:Math.pow(2,(gen.decayVolEnv?gen.decayVolEnv.amount:-12000)/1200)/3,sustain:gen.sustainVolEnv?(gen.sustainVolEnv.amount/1000):0,buffer:ac.createBuffer(1,sample.length,sampleRate)}
406 sample_cp(parm.buffer,sample)
504 throw new Error('invalid chunk type:'+chunk.type);this.instrumentZoneGenerator=this.parseGenerator(chunk)};sf2.Parser.prototype.parseShdr=function(chunk){var data=this.input,ip=chunk.offset,samples=this.sample=[],sampleHeader=this.sampleHeader=[],size=chunk.offset+chunk.size,sampleName,start,end,startLoop,endLoop,sampleRate,originalPitch,pitchCorrection,sampleLink,sampleType;if(chunk.type!=='shdr')
505 throw new Error('invalid chunk type:'+chunk.type);while(ip<size){sampleName=String.fromCharCode.apply(null,data.subarray(ip,ip+=20));start=(data[ip++]<<0)|(data[ip++]<<8)|(data[ip++]<<16)|(data[ip++]<<24);end=(data[ip++]<<0)|(data[ip++]<<8)|(data[ip++]<<16)|(data[ip++]<<24);startLoop=(data[ip++]<<0)|(data[ip++]<<8)|(data[ip++]<<16)|(data[ip++]<<24);endLoop=(data[ip++]<<0)|(data[ip++]<<8)|(data[ip++]<<16)|(data[ip++]<<24);sampleRate=(data[ip++]<<0)|(data[ip++]<<8)|(data[ip++]<<16)|(data[ip++]<<24);originalPitch=data[ip++];pitchCorrection=(data[ip++]<<24)>>24;sampleLink=data[ip++]|(data[ip++]<<8);sampleType=data[ip++]|(data[ip++]<<8);var sample=new Int16Array(new Uint8Array(data.subarray(this.samplingData.offset+start*2,this.samplingData.offset+end*2)).buffer);startLoop-=start;endLoop-=start;if(sampleRate>0){var adjust=this.adjustSampleData(sample,sampleRate);sample=adjust.sample;sampleRate*=adjust.multiply;startLoop*=adjust.multiply;endLoop*=adjust.multiply}
506 samples.push(sample);sampleHeader.push({sampleName:sampleName,startLoop:startLoop,endLoop:endLoop,sampleRate:sampleRate,originalPitch:originalPitch,pitchCorrection:pitchCorrection,sampleLink:sampleLink,sampleType:sampleType})}};sf2.Parser.prototype.adjustSampleData=function(sample,sampleRate){var newSample,i,il,j,multiply=1;while(sampleRate<22050){newSample=new Int16Array(sample.length*2);for(i=j=0,il=sample.length;i<il;++i){newSample[j++]=sample[i];newSample[j++]=sample[i]}
507 sample=newSample;multiply*=2;sampleRate*=2}
508 return{sample:sample,multiply:multiply}};sf2.Parser.prototype.parseModulator=function(chunk){var data=this.input,ip=chunk.offset,size=chunk.offset+chunk.size,code,key,output=[];while(ip<size){ip+=2;code=data[ip++]|(data[ip++]<<8);key=sf2.Parser.GeneratorEnumeratorTable[code];if(key===undefined){output.push({type:key,value:{code:code,amount:data[ip]|(data[ip+1]<<8)<<16>>16,lo:data[ip++],hi:data[ip++]}})}else{switch(key){case'keyRange':case'velRange':case'keynum':case'velocity':output.push({type:key,value:{lo:data[ip++],hi:data[ip++]}});break;default:output.push({type:key,value:{amount:data[ip++]|(data[ip++]<<8)<<16>>16}});break}}