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oms/back/public/module/audioWorker.worker.js

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2026-03-10 18:45:36 +08:00
!function(e){var t={};function r(n){if(t[n])return t[n].exports;var o=t[n]={i:n,l:!1,exports:{}};return e[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!==typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"===typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)r.d(n,o,function(t){return e[t]}.bind(null,o));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=2)}([function(e,t){e.exports=function(e){return e&&e.__esModule?e:{default:e}},e.exports.__esModule=!0,e.exports.default=e.exports},function(e,t,r){"use strict";var n=r(0);Object.defineProperty(t,"__esModule",{value:!0}),t.BrowserDetect=function(){var e=navigator.userAgent.toLowerCase(),t=navigator.appName,r=null;"Microsoft Internet Explorer"===t||e.indexOf("trident")>-1||e.indexOf("edge/")>-1?(r="ie","Microsoft Internet Explorer"===t?(e=/msie ([0-9]{1,}[\.0-9]{0,})/.exec(e),r+=parseInt(e[1])):e.indexOf("trident")>-1?r+=11:e.indexOf("edge/")>-1&&(r="edge")):e.indexOf("safari")>-1?r=e.indexOf("chrome")>-1?"chrome":"safari":e.indexOf("firefox")>-1&&(r="firefox");return r},t.CommonAudioUtil=function(){var e=[1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384],t=function(e,t,r){var n=0,o=0;for(n=0;n<r&&!(e<t[o]);n++)o++;return n},r=function(r,n){var o=0,i=0,a=0,u=0,s=0;return i=t(o=r>0?r:8191&-r,e,15)-6,a=i+(n>>6&15)-13,u=(0===o?32:i>=0?o>>i:o<<-i)*(n&parseInt("077",8))+48>>4,s=a>=0?u<<a&32767:u>>-a,(r^n)<0?-s:s};this.g726InitState=function(){var e={},t=0;for(e.pp=new Array(2),e.zp=new Array(6),e.pk=new Array(2),e.dq=new Array(6),e.sr=new Array(2),e.yl=34816,e.yu=544,e.dms=0,e.dml=0,e.ppp=0,t=0;t<2;t++)e.pp[t]=0,e.pk[t]=0,e.sr[t]=32;for(t=0;t<6;t++)e.zp[t]=0,e.dq[t]=32;return e.td=0,e},this.predictorZero=function(e){var t=0,n=0;for(n=r(e.zp[0]>>2,e.dq[0]),t=1;t<6;t++)n+=r(e.zp[t]>>2,e.dq[t]);return n},this.predictorPole=function(e){return r(e.pp[1]>>2,e.sr[1])+r(e.pp[0]>>2,e.sr[0])},this.stepSize=function(e){var t=0,r=0,n=0;return e.ppp>=256?e.yu:(t=e.yl>>6,r=e.yu-t,n=e.ppp>>2,r>0?t+=r*n>>6:r<0&&(t+=r*n+63>>6),t)},this.quantize=function(r,n,o,i){var a=0,u=0,s=0;return a=Math.abs(r),u=t(a>>1,e,15),s=t((u<<7)+(a<<7>>u&127)-(n>>2),o,i),r<0?1+(i<<1)-s:0===s?1+(i<<1):s},this.reconstruct=function(e,t,r){var n=0,o=0;return(n=t+(r>>2))<0?e?-32768:0:(o=128+(127&n)<<7>>14-(n>>7&15),e?o-32768:o)},this.update=function(r,n,o,i,a,u,s,f){var l=0,c=0,p=0,d=0,h=0,y=0,m=0,v=0,g=0,_=0,E=0,x=0,b=0,T=0;if(T=s<0?1:0,c=32767&a,g=f.yl>>15,x=f.yl>>10&31,b=32+x<<g,E=(_=g>9?31744:b)+(_>>1)>>1,v=0===f.td?0:c<=E?0:1,f.yu=n+(o-n>>5),f.yu<544?f.yu=544:f.yu>5120&&(f.yu=5120),f.yl+=f.yu+(-f.yl>>6),1===v)f.pp[0]=0,f.pp[1]=0,f.zp[0]=0,f.zp[1]=0,f.zp[2]=0,f.zp[3]=0,f.zp[4]=0,f.zp[5]=0,d=0;else for(y=T^f.pk[0],d=f.pp[1]-(f.pp[1]>>7),0!==s&&((m=y?f.pp[0]:-f.pp[0])<-8191?d-=256:d+=m>8191?255:m>>5,T^f.pk[1]?d<=-12160?d=-12288:d>=12416?d=12288:d-=128:d<=-12416?d=-12288:d>=12160?d=12288:d+=128),f.pp[1]=d,f.pp[0]-=f.pp[0]>>8,0!==s&&(0===y?f.pp[0]+=192:f.pp[0]-=192),h=15360-d,f.pp[0]<-h?f.pp[0]=-h:f.pp[0]>h&&(f.pp[0]=h),l=0;l<6;l++)f.zp[l]-=5===r?f.zp[l]>>9:f.zp[l]>>8,32767&a&&((a^f.dq[l])>=0?f.zp[l]+=128:f.zp[l]-=128);for(l=5;l>0;l--)f.dq[l]=f.dq[l-1];return 0===c?f.dq[0]=a>=0?32:64544:(p=t(c,e,15),f.dq[0]=a>=0?(p<<6)+(c<<6>>p):(p<<6)+(c<<6>>p)-1024),f.sr[1]=f.sr[0],0===u?f.sr[0]=32:u>0?(p=t(u,e,15),f.sr[0]=(p<<6)+(u<<6>>p)):u>-32768?(p=t(c=-u,e,15),f.sr[0]=(p<<6)+(c<<6>>p)-1024):f.sr[0]=64544,f.pk[1]=f.pk[0],f.pk[0]=T,f.td=1===v?0:d<-11776?1:0,f.dms+=i-f.dms>>5,f.dml+=(i<<2)-f.dml>>7,1===v?f.ppp=256:n<1536?f.ppp+=512-f.ppp>>4:1===f.td?f.ppp+=512-f.ppp>>4:Math.abs((f.dms