0) {
if(p < this.DB && (d = this[i]>>p) > 0) { m = true; r = int2char(d); }
while(i >= 0) {
if(p < k) {
d = (this[i]&((1<>(p+=this.DB-k);
}
else {
d = (this[i]>>(p-=k))&km;
if(p <= 0) { p += this.DB; --i; }
}
if(d > 0) m = true;
if(m) r += int2char(d);
}
}
return m?r:"0";
}
// (public) -this
function bnNegate() { var r = nbi(); BigInteger.ZERO.subTo(this,r); return r; }
// (public) |this|
function bnAbs() { return (this.s<0)?this.negate():this; }
// (public) return + if this > a, - if this < a, 0 if equal
function bnCompareTo(a) {
var r = this.s-a.s;
if(r != 0) return r;
var i = this.t;
r = i-a.t;
if(r != 0) return (this.s<0)?-r:r;
while(--i >= 0) if((r=this[i]-a[i]) != 0) return r;
return 0;
}
// returns bit length of the integer x
function nbits(x) {
var r = 1, t;
if((t=x>>>16) != 0) { x = t; r += 16; }
if((t=x>>8) != 0) { x = t; r += 8; }
if((t=x>>4) != 0) { x = t; r += 4; }
if((t=x>>2) != 0) { x = t; r += 2; }
if((t=x>>1) != 0) { x = t; r += 1; }
return r;
}
// (public) return the number of bits in "this"
function bnBitLength() {
if(this.t <= 0) return 0;
return this.DB*(this.t-1)+nbits(this[this.t-1]^(this.s&this.DM));
}
// (protected) r = this << n*DB
function bnpDLShiftTo(n,r) {
var i;
for(i = this.t-1; i >= 0; --i) r[i+n] = this[i];
for(i = n-1; i >= 0; --i) r[i] = 0;
r.t = this.t+n;
r.s = this.s;
}
// (protected) r = this >> n*DB
function bnpDRShiftTo(n,r) {
for(var i = n; i < this.t; ++i) r[i-n] = this[i];
r.t = Math.max(this.t-n,0);
r.s = this.s;
}
// (protected) r = this << n
function bnpLShiftTo(n,r) {
var bs = n%this.DB;
var cbs = this.DB-bs;
var bm = (1<= 0; --i) {
r[i+ds+1] = (this[i]>>cbs)|c;
c = (this[i]&bm)<= 0; --i) r[i] = 0;
r[ds] = c;
r.t = this.t+ds+1;
r.s = this.s;
r.clamp();
}
// (protected) r = this >> n
function bnpRShiftTo(n,r) {
r.s = this.s;
var ds = Math.floor(n/this.DB);
if(ds >= this.t) { r.t = 0; return; }
var bs = n%this.DB;
var cbs = this.DB-bs;
var bm = (1<>bs;
for(var i = ds+1; i < this.t; ++i) {
r[i-ds-1] |= (this[i]&bm)<>bs;
}
if(bs > 0) r[this.t-ds-1] |= (this.s&bm)<>= this.DB;
}
if(a.t < this.t) {
c -= a.s;
while(i < this.t) {
c += this[i];
r[i++] = c&this.DM;
c >>= this.DB;
}
c += this.s;
}
else {
c += this.s;
while(i < a.t) {
c -= a[i];
r[i++] = c&this.DM;
c >>= this.DB;
}
c -= a.s;
}
r.s = (c<0)?-1:0;
if(c < -1) r[i++] = this.DV+c;
else if(c > 0) r[i++] = c;
r.t = i;
r.clamp();
}
// (protected) r = this * a, r != this,a (HAC 14.12)
// "this" should be the larger one if appropriate.
function bnpMultiplyTo(a,r) {
var x = this.abs(), y = a.abs();
var i = x.t;
r.t = i+y.t;
while(--i >= 0) r[i] = 0;
for(i = 0; i < y.t; ++i) r[i+x.t] = x.am(0,y[i],r,i,0,x.t);
r.s = 0;
r.clamp();
if(this.s != a.s) BigInteger.ZERO.subTo(r,r);
}
// (protected) r = this^2, r != this (HAC 14.16)
function bnpSquareTo(r) {
var x = this.abs();
var i = r.t = 2*x.t;
while(--i >= 0) r[i] = 0;
for(i = 0; i < x.t-1; ++i) {
var c = x.am(i,x[i],r,2*i,0,1);
if((r[i+x.t]+=x.am(i+1,2*x[i],r,2*i+1,c,x.t-i-1)) >= x.DV) {
r[i+x.t] -= x.DV;
r[i+x.t+1] = 1;
}
}
if(r.t > 0) r[r.t-1] += x.am(i,x[i],r,2*i,0,1);
r.s = 0;
r.clamp();
}
// (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
// r != q, this != m. q or r may be null.
function bnpDivRemTo(m,q,r) {
var pm = m.abs();
if(pm.t <= 0) return;
var pt = this.abs();
if(pt.t < pm.t) {
if(q != null) q.fromInt(0);
if(r != null) this.copyTo(r);
return;
}
if(r == null) r = nbi();
var y = nbi(), ts = this.s, ms = m.s;
var nsh = this.DB-nbits(pm[pm.t-1]); // normalize modulus
if(nsh > 0) { pm.lShiftTo(nsh,y); pt.lShiftTo(nsh,r); }
else { pm.copyTo(y); pt.copyTo(r); }
var ys = y.t;
var y0 = y[ys-1];
if(y0 == 0) return;
var yt = y0*(1<1)?y[ys-2]>>this.F2:0);
var d1 = this.FV/yt, d2 = (1<= 0) {
r[r.t++] = 1;
r.subTo(t,r);
}
BigInteger.ONE.dlShiftTo(ys,t);
t.subTo(y,y); // "negative" y so we can replace sub with am later
while(y.t < ys) y[y.t++] = 0;
while(--j >= 0) {
// Estimate quotient digit
var qd = (r[--i]==y0)?this.DM:Math.floor(r[i]*d1+(r[i-1]+e)*d2);
if((r[i]+=y.am(0,qd,r,j,0,ys)) < qd) { // Try it out
y.dlShiftTo(j,t);
r.subTo(t,r);
while(r[i] < --qd) r.subTo(t,r);
}
}
if(q != null) {
r.drShiftTo(ys,q);
if(ts != ms) BigInteger.ZERO.subTo(q,q);
}
r.t = ys;
r.clamp();
if(nsh > 0) r.rShiftTo(nsh,r); // Denormalize remainder
if(ts < 0) BigInteger.ZERO.subTo(r,r);
}
// (public) this mod a
function bnMod(a) {
var r = nbi();
this.abs().divRemTo(a,null,r);
if(this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r,r);
return r;
}
// Modular reduction using "classic" algorithm
function Classic(m) { this.m = m; }
function cConvert(x) {
if(x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m);
else return x;
}
function cRevert(x) { return x; }
function cReduce(x) { x.divRemTo(this.m,null,x); }
function cMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
function cSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
Classic.prototype.convert = cConvert;
Classic.prototype.revert = cRevert;
Classic.prototype.reduce = cReduce;
Classic.prototype.mulTo = cMulTo;
Classic.prototype.sqrTo = cSqrTo;
// (protected) return "-1/this % 2^DB"; useful for Mont. reduction
// justification:
// xy == 1 (mod m)
// xy = 1+km
// xy(2-xy) = (1+km)(1-km)
// x[y(2-xy)] = 1-k^2m^2
// x[y(2-xy)] == 1 (mod m^2)
// if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
// should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
// JS multiply "overflows" differently from C/C++, so care is needed here.
function bnpInvDigit() {
if(this.t < 1) return 0;
var x = this[0];
if((x&1) == 0) return 0;
var y = x&3; // y == 1/x mod 2^2
y = (y*(2-(x&0xf)*y))&0xf; // y == 1/x mod 2^4
y = (y*(2-(x&0xff)*y))&0xff; // y == 1/x mod 2^8
y = (y*(2-(((x&0xffff)*y)&0xffff)))&0xffff; // y == 1/x mod 2^16
// last step - calculate inverse mod DV directly;
// assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
y = (y*(2-x*y%this.DV))%this.DV; // y == 1/x mod 2^dbits
// we really want the negative inverse, and -DV < y < DV
return (y>0)?this.DV-y:-y;
}
// Montgomery reduction
function Montgomery(m) {
this.m = m;
this.mp = m.invDigit();
this.mpl = this.mp&0x7fff;
this.mph = this.mp>>15;
this.um = (1<<(m.DB-15))-1;
this.mt2 = 2*m.t;
}
// xR mod m
function montConvert(x) {
var r = nbi();
x.abs().dlShiftTo(this.m.t,r);
r.divRemTo(this.m,null,r);
if(x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r,r);
return r;
}
// x/R mod m
function montRevert(x) {
var r = nbi();
x.copyTo(r);
this.reduce(r);
return r;
}
// x = x/R mod m (HAC 14.32)
function montReduce(x) {
while(x.t <= this.mt2) // pad x so am has enough room later
x[x.t++] = 0;
for(var i = 0; i < this.m.t; ++i) {
// faster way of calculating u0 = x[i]*mp mod DV
var j = x[i]&0x7fff;
var u0 = (j*this.mpl+(((j*this.mph+(x[i]>>15)*this.mpl)&this.um)<<15))&x.DM;
// use am to combine the multiply-shift-add into one call
j = i+this.m.t;
x[j] += this.m.am(0,u0,x,i,0,this.m.t);
// propagate carry
while(x[j] >= x.DV) { x[j] -= x.DV; x[++j]++; }
}
x.clamp();
x.drShiftTo(this.m.t,x);
if(x.compareTo(this.m) >= 0) x.subTo(this.m,x);
}
// r = "x^2/R mod m"; x != r
function montSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
// r = "xy/R mod m"; x,y != r
function montMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
Montgomery.prototype.convert = montConvert;
Montgomery.prototype.revert = montRevert;
Montgomery.prototype.reduce = montReduce;
Montgomery.prototype.mulTo = montMulTo;
Montgomery.prototype.sqrTo = montSqrTo;
// (protected) true iff this is even
function bnpIsEven() { return ((this.t>0)?(this[0]&1):this.s) == 0; }
// (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
function bnpExp(e,z) {
if(e > 0xffffffff || e < 1) return BigInteger.ONE;
var r = nbi(), r2 = nbi(), g = z.convert(this), i = nbits(e)-1;
g.copyTo(r);
while(--i >= 0) {
z.sqrTo(r,r2);
if((e&(1< 0) z.mulTo(r2,g,r);
else { var t = r; r = r2; r2 = t; }
}
return z.revert(r);
}
// (public) this^e % m, 0 <= e < 2^32
function bnModPowInt(e,m) {
var z;
if(e < 256 || m.isEven()) z = new Classic(m); else z = new Montgomery(m);
return this.exp(e,z);
}
// protected
BigInteger.prototype.copyTo = bnpCopyTo;
BigInteger.prototype.fromInt = bnpFromInt;
BigInteger.prototype.fromString = bnpFromString;
BigInteger.prototype.clamp = bnpClamp;
BigInteger.prototype.dlShiftTo = bnpDLShiftTo;
BigInteger.prototype.drShiftTo = bnpDRShiftTo;
BigInteger.prototype.lShiftTo = bnpLShiftTo;
BigInteger.prototype.rShiftTo = bnpRShiftTo;
BigInteger.prototype.subTo = bnpSubTo;
BigInteger.prototype.multiplyTo = bnpMultiplyTo;
BigInteger.prototype.squareTo = bnpSquareTo;
BigInteger.prototype.divRemTo = bnpDivRemTo;
BigInteger.prototype.invDigit = bnpInvDigit;
BigInteger.prototype.isEven = bnpIsEven;
BigInteger.prototype.exp = bnpExp;
// public
BigInteger.prototype.toString = bnToString;
BigInteger.prototype.negate = bnNegate;
BigInteger.prototype.abs = bnAbs;
BigInteger.prototype.compareTo = bnCompareTo;
BigInteger.prototype.bitLength = bnBitLength;
BigInteger.prototype.mod = bnMod;
BigInteger.prototype.modPowInt = bnModPowInt;
// "constants"
BigInteger.ZERO = nbv(0);
BigInteger.ONE = nbv(1);
// jsbn2 stuff
// (protected) convert from radix string
function bnpFromRadix(s,b) {
this.fromInt(0);
if(b == null) b = 10;
var cs = this.chunkSize(b);
var d = Math.pow(b,cs), mi = false, j = 0, w = 0;
for(var i = 0; i < s.length; ++i) {
var x = intAt(s,i);
if(x < 0) {
if(s.charAt(i) == "-" && this.signum() == 0) mi = true;
continue;
}
w = b*w+x;
if(++j >= cs) {
this.dMultiply(d);
this.dAddOffset(w,0);
j = 0;
w = 0;
}
}
if(j > 0) {
this.dMultiply(Math.pow(b,j));
this.dAddOffset(w,0);
}
if(mi) BigInteger.ZERO.subTo(this,this);
}
// (protected) return x s.t. r^x < DV
function bnpChunkSize(r) { return Math.floor(Math.LN2*this.DB/Math.log(r)); }
// (public) 0 if this == 0, 1 if this > 0
function bnSigNum() {
if(this.s < 0) return -1;
else if(this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0;
else return 1;
}
// (protected) this *= n, this >= 0, 1 < n < DV
function bnpDMultiply(n) {
this[this.t] = this.am(0,n-1,this,0,0,this.t);
++this.t;
this.clamp();
}
// (protected) this += n << w words, this >= 0
function bnpDAddOffset(n,w) {
if(n == 0) return;
while(this.t <= w) this[this.t++] = 0;
this[w] += n;
while(this[w] >= this.DV) {
this[w] -= this.DV;
if(++w >= this.t) this[this.t++] = 0;
++this[w];
}
}
// (protected) convert to radix string
function bnpToRadix(b) {
if(b == null) b = 10;
if(this.signum() == 0 || b < 2 || b > 36) return "0";
var cs = this.chunkSize(b);
var a = Math.pow(b,cs);
var d = nbv(a), y = nbi(), z = nbi(), r = "";
this.divRemTo(d,y,z);
while(y.signum() > 0) {
r = (a+z.intValue()).toString(b).substr(1) + r;
y.divRemTo(d,y,z);
}
return z.intValue().toString(b) + r;
}
// (public) return value as integer
function bnIntValue() {
if(this.s < 0) {
if(this.t == 1) return this[0]-this.DV;
else if(this.t == 0) return -1;
}
else if(this.t == 1) return this[0];
else if(this.t == 0) return 0;
// assumes 16 < DB < 32
return ((this[1]&((1<<(32-this.DB))-1))<>= this.DB;
}
if(a.t < this.t) {
c += a.s;
while(i < this.t) {
c += this[i];
r[i++] = c&this.DM;
c >>= this.DB;
}
c += this.s;
}
else {
c += this.s;
while(i < a.t) {
c += a[i];
r[i++] = c&this.DM;
c >>= this.DB;
}
c += a.s;
}
r.s = (c<0)?-1:0;
if(c > 0) r[i++] = c;
else if(c < -1) r[i++] = this.DV+c;
r.t = i;
r.clamp();
}
BigInteger.prototype.fromRadix = bnpFromRadix;
BigInteger.prototype.chunkSize = bnpChunkSize;
BigInteger.prototype.signum = bnSigNum;
BigInteger.prototype.dMultiply = bnpDMultiply;
BigInteger.prototype.dAddOffset = bnpDAddOffset;
BigInteger.prototype.toRadix = bnpToRadix;
BigInteger.prototype.intValue = bnIntValue;
BigInteger.prototype.addTo = bnpAddTo;
//======= end jsbn =======
// Emscripten wrapper
var Wrapper = {
abs: function(l, h) {
var x = new goog.math.Long(l, h);
var ret;
if (x.isNegative()) {
ret = x.negate();
} else {
ret = x;
}
HEAP32[tempDoublePtr>>2] = ret.low_;
HEAP32[tempDoublePtr+4>>2] = ret.high_;
},
ensureTemps: function() {
if (Wrapper.ensuredTemps) return;
Wrapper.ensuredTemps = true;
Wrapper.two32 = new BigInteger();
Wrapper.two32.fromString('4294967296', 10);
Wrapper.two64 = new BigInteger();
Wrapper.two64.fromString('18446744073709551616', 10);
Wrapper.temp1 = new BigInteger();
Wrapper.temp2 = new BigInteger();
},
lh2bignum: function(l, h) {
var a = new BigInteger();
a.fromString(h.toString(), 10);
var b = new BigInteger();
a.multiplyTo(Wrapper.two32, b);
var c = new BigInteger();
c.fromString(l.toString(), 10);
var d = new BigInteger();
c.addTo(b, d);
return d;
},
stringify: function(l, h, unsigned) {
var ret = new goog.math.Long(l, h).toString();
if (unsigned && ret[0] == '-') {
// unsign slowly using jsbn bignums
Wrapper.ensureTemps();
var bignum = new BigInteger();
bignum.fromString(ret, 10);
ret = new BigInteger();
Wrapper.two64.addTo(bignum, ret);
ret = ret.toString(10);
}
return ret;
},
fromString: function(str, base, min, max, unsigned) {
Wrapper.ensureTemps();
var bignum = new BigInteger();
bignum.fromString(str, base);
var bigmin = new BigInteger();
bigmin.fromString(min, 10);
var bigmax = new BigInteger();
bigmax.fromString(max, 10);
if (unsigned && bignum.compareTo(BigInteger.ZERO) < 0) {
var temp = new BigInteger();
bignum.addTo(Wrapper.two64, temp);
bignum = temp;
}
var error = false;
if (bignum.compareTo(bigmin) < 0) {
bignum = bigmin;
error = true;
} else if (bignum.compareTo(bigmax) > 0) {
bignum = bigmax;
error = true;
}
var ret = goog.math.Long.fromString(bignum.toString()); // min-max checks should have clamped this to a range goog.math.Long can handle well
HEAP32[tempDoublePtr>>2] = ret.low_;
HEAP32[tempDoublePtr+4>>2] = ret.high_;
if (error) throw 'range error';
}
};
return Wrapper;
})();
//======= end closure i64 code =======
// === Auto-generated postamble setup entry stuff ===
function ExitStatus(status) {
this.name = "ExitStatus";
this.message = "Program terminated with exit(" + status + ")";
this.status = status;
};
ExitStatus.prototype = new Error();
ExitStatus.prototype.constructor = ExitStatus;
var initialStackTop;
var preloadStartTime = null;
var calledMain = false;
dependenciesFulfilled = function runCaller() {
// If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
if (!Module['calledRun']) run();
if (!Module['calledRun']) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
}
Module['callMain'] = Module.callMain = function callMain(args) {
assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on __ATMAIN__)');
assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
args = args || [];
ensureInitRuntime();
var argc = args.length+1;
function pad() {
for (var i = 0; i < 4-1; i++) {
argv.push(0);
}
}
var argv = [allocate(intArrayFromString(Module['thisProgram']), 'i8', ALLOC_NORMAL) ];
pad();
for (var i = 0; i < argc-1; i = i + 1) {
argv.push(allocate(intArrayFromString(args[i]), 'i8', ALLOC_NORMAL));
pad();
}
argv.push(0);
argv = allocate(argv, 'i32', ALLOC_NORMAL);
initialStackTop = STACKTOP;
try {
var ret = Module['_main'](argc, argv, 0);
// if we're not running an evented main loop, it's time to exit
exit(ret, /* implicit = */ true);
}
catch(e) {
if (e instanceof ExitStatus) {
// exit() throws this once it's done to make sure execution
// has been stopped completely
return;
} else if (e == 'SimulateInfiniteLoop') {
// running an evented main loop, don't immediately exit
Module['noExitRuntime'] = true;
return;
} else {
if (e && typeof e === 'object' && e.stack) Module.printErr('exception thrown: ' + [e, e.stack]);
throw e;
}
} finally {
calledMain = true;
}
}
function run(args) {
args = args || Module['arguments'];
if (preloadStartTime === null) preloadStartTime = Date.now();
if (runDependencies > 0) {
return;
}
preRun();
if (runDependencies > 0) return; // a preRun added a dependency, run will be called later
if (Module['calledRun']) return; // run may have just been called through dependencies being fulfilled just in this very frame
function doRun() {
if (Module['calledRun']) return; // run may have just been called while the async setStatus time below was happening
Module['calledRun'] = true;
if (ABORT) return;
ensureInitRuntime();
preMain();
if (ENVIRONMENT_IS_WEB && preloadStartTime !== null) {
Module.printErr('pre-main prep time: ' + (Date.now() - preloadStartTime) + ' ms');
}
if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
if (Module['_main'] && shouldRunNow) Module['callMain'](args);
postRun();
}
if (Module['setStatus']) {
Module['setStatus']('Running...');
setTimeout(function() {
setTimeout(function() {
Module['setStatus']('');
}, 1);
doRun();
}, 1);
} else {
doRun();
}
}
Module['run'] = Module.run = run;
function exit(status, implicit) {
if (implicit && Module['noExitRuntime']) {
return;
}
if (Module['noExitRuntime']) {
} else {
ABORT = true;
EXITSTATUS = status;
STACKTOP = initialStackTop;
exitRuntime();
if (Module['onExit']) Module['onExit'](status);
}
if (ENVIRONMENT_IS_NODE) {
// Work around a node.js bug where stdout buffer is not flushed at process exit:
// Instead of process.exit() directly, wait for stdout flush event.
// See https://github.com/joyent/node/issues/1669 and https://github.com/kripken/emscripten/issues/2582
// Workaround is based on https://github.com/RReverser/acorn/commit/50ab143cecc9ed71a2d66f78b4aec3bb2e9844f6
process['stdout']['once']('drain', function () {
process['exit'](status);
});
console.log(' '); // Make sure to print something to force the drain event to occur, in case the stdout buffer was empty.
// Work around another node bug where sometimes 'drain' is never fired - make another effort
// to emit the exit status, after a significant delay (if node hasn't fired drain by then, give up)
setTimeout(function() {
process['exit'](status);
}, 500);
} else
if (ENVIRONMENT_IS_SHELL && typeof quit === 'function') {
quit(status);
}
// if we reach here, we must throw an exception to halt the current execution
throw new ExitStatus(status);
}
Module['exit'] = Module.exit = exit;
var abortDecorators = [];
function abort(what) {
if (what !== undefined) {
Module.print(what);
Module.printErr(what);
what = JSON.stringify(what)
} else {
what = '';
}
ABORT = true;
EXITSTATUS = 1;
var extra = '\nIf this abort() is unexpected, build with -s ASSERTIONS=1 which can give more information.';
var output = 'abort(' + what + ') at ' + stackTrace() + extra;
if (abortDecorators) {
abortDecorators.forEach(function(decorator) {
output = decorator(output, what);
});
}
throw output;
}
Module['abort'] = Module.abort = abort;
// {{PRE_RUN_ADDITIONS}}
if (Module['preInit']) {
if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
while (Module['preInit'].length > 0) {
Module['preInit'].pop()();
}
}
// shouldRunNow refers to calling main(), not run().
var shouldRunNow = true;
if (Module['noInitialRun']) {
shouldRunNow = false;
}
run();
// {{POST_RUN_ADDITIONS}}
// {{MODULE_ADDITIONS}}
var NUM_CH = 2,
HEAPU8 = Module.HEAPU8,
malloc = Module._malloc,
free = Module._free,
lame_init = Module._lame_init,
lame_set_mode = Module._lame_set_mode,
lame_set_num_channels = Module._lame_set_num_channels,
lame_set_in_samplerate = Module._lame_set_in_samplerate,
lame_set_brate = Module._lame_set_brate,
lame_init_params = Module._lame_init_params,
lame_encode_buffer_ieee_float = Module._lame_encode_buffer_ieee_float,
lame_encode_flush = Module._lame_encode_flush,
lame_close = Module._lame_close;
var Encoder = function(sampleRate, bitRate) {
this.gfp = lame_init();
lame_set_mode(this.gfp, 1/*JOINT_STEREO*/);
lame_set_num_channels(this.gfp, NUM_CH);
lame_set_in_samplerate(this.gfp, sampleRate);
lame_set_brate(this.gfp, bitRate);
lame_init_params(this.gfp);
this.allocBuffers(8192);
this.mp3Buffers = [];
};
Encoder.prototype.encode = function(buffers) {
var length = buffers[0].length;
if (length > this.srcLen) {
this.freeBuffers();
this.allocBuffers(length);
}
for (var ch = 0; ch < NUM_CH; ++ch)
this.srcBuf[ch].set(buffers[ch]);
var nBytes = lame_encode_buffer_ieee_float(
this.gfp, this.srcPtr[0], this.srcPtr[1], length,
this.dstPtr, this.dstSz);
this.mp3Buffers.push(new Uint8Array(this.dstBuf.subarray(0, nBytes)));
};
Encoder.prototype.finish = function(mimeType) {
var nBytes = lame_encode_flush(this.gfp, this.dstPtr, this.dstSz);
this.mp3Buffers.push(new Uint8Array(this.dstBuf.subarray(0, nBytes)));
var blob = new Blob(this.mp3Buffers, {type: mimeType || 'audio/mpeg'});
this.cleanup();
return blob;
};
Encoder.prototype.cancel = Encoder.prototype.cleanup = function() {
lame_close(this.gfp);
delete this.gfp;
delete this.mp3Buffers;
this.freeBuffers();
};
Encoder.prototype.allocBuffers = function(srcLen) {
this.srcLen = srcLen;
this.srcPtr = [];
this.srcBuf = [];
for (var ch = 0; ch < NUM_CH; ++ch) {
this.srcPtr[ch] = malloc(this.srcLen * 4);
this.srcBuf[ch] = new Float32Array(HEAPU8.buffer,
this.srcPtr[ch], this.srcLen);
}
this.dstSz = Math.ceil(1.25 * this.srcLen) + 7200; // see lame.h
this.dstPtr = malloc(this.dstSz);
this.dstBuf = new Uint8Array(HEAPU8.buffer, this.dstPtr, this.dstSz);
};
Encoder.prototype.freeBuffers = function() {
delete this.dstBuf;
delete this.srcBuf;
free(this.dstPtr);
for (var ch = 0; ch < NUM_CH; ++ch)
free(this.srcPtr[ch]);
delete this.dstPtr;
delete this.srcPtr;
};
self.Mp3LameEncoder = Encoder;
})(self);
importScripts("Mp3LameEncoder.min.js");
var NUM_CH = 2, // constant
sampleRate = 44100,
options = undefined,
maxBuffers = undefined,
encoder = undefined,
recBuffers = undefined,
bufferCount = 0;
function error(message) {
self.postMessage({ command: "error", message: "mp3: " + message });
}
function init(data) {
if (data.config.numChannels === NUM_CH) {
sampleRate = data.config.sampleRate;
options = data.options;
} else
error("numChannels must be " + NUM_CH);
};
function setOptions(opt) {
if (encoder || recBuffers)
error("cannot set options during recording");
else
options = opt;
}
function start(bufferSize) {
maxBuffers = Math.ceil(options.timeLimit * sampleRate / bufferSize);
if (options.encodeAfterRecord)
recBuffers = [];
else
encoder = new Mp3LameEncoder(sampleRate, options.mp3.bitRate);
}
function record(buffer) {
if (bufferCount++ < maxBuffers)
if (encoder)
encoder.encode(buffer);
else
recBuffers.push(buffer);
else
self.postMessage({ command: "timeout" });
};
function postProgress(progress) {
self.postMessage({ command: "progress", progress: progress });
};
function finish() {
if (recBuffers) {
postProgress(0);
encoder = new Mp3LameEncoder(sampleRate, options.mp3.bitRate);
var timeout = Date.now() + options.progressInterval;
while (recBuffers.length > 0) {
encoder.encode(recBuffers.shift());
var now = Date.now();
if (now > timeout) {
postProgress((bufferCount - recBuffers.length) / bufferCount);
timeout = now + options.progressInterval;
}
}
postProgress(1);
}
self.postMessage({
command: "complete",
blob: encoder.finish(options.mp3.mimeType)
});
cleanup();
};
function cleanup() {
encoder = recBuffers = undefined;
bufferCount = 0;
}
self.onmessage = function(event) {
var data = event.data;
switch (data.command) {
case "init": init(data); break;
case "options": setOptions(data.options); break;
case "start": start(data.bufferSize); break;
case "record": record(data.buffer); break;
case "finish": finish(); break;
case "cancel": cleanup();
}
};
self.postMessage({ command: "loaded" });
"use strict";
var import_node_fs = require("node:fs");
var import_node_path = require("node:path");
var import_node_vm = require("node:vm");
var import_electron = require("electron");
const srcPath = (0, import_node_path.join)(__dirname, "preload.bundle.js");
const cachePath = (0, import_node_path.join)(__dirname, "preload.bundle.cache");
let cachedData;
try {
if (!process.env.GENERATE_PRELOAD_CACHE) {
cachedData = (0, import_node_fs.readFileSync)(cachePath);
}
} catch (error) {
if (error.code !== "ENOENT") {
throw error;
}
}
const source = (0, import_node_fs.readFileSync)(srcPath);
window.preloadCompileStartTime = Date.now();
const filename = process.env.GENERATE_PRELOAD_CACHE ? "preload.bundle.js" : srcPath;
const script = new import_node_vm.Script(
`(function(require, __dirname){${source.toString()}})`,
{
filename,
lineOffset: 0,
cachedData,
importModuleDynamically: import_node_vm.constants.USE_MAIN_CONTEXT_DEFAULT_LOADER
}
);
const { cachedDataRejected } = script;
const fn = script.runInThisContext({
filename,
lineOffset: 0,
columnOffset: 0,
displayErrors: true,
importModuleDynamically: import_node_vm.constants.USE_MAIN_CONTEXT_DEFAULT_LOADER
});
if (process.env.GENERATE_PRELOAD_CACHE) {
if (process.env.CI) {
fn(require, __dirname);
window.startApp();
}
(0, import_node_fs.writeFileSync)(cachePath, script.createCachedData());
import_electron.ipcRenderer.send("shutdown");
} else {
fn(require, __dirname);
window.SignalCI?.setPreloadCacheHit(
cachedData != null && !cachedDataRejected
);
}
if (cachedDataRejected) {
console.log("preload cache rejected");
} else {
console.log("preload cache hit");
}
OggS