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timbre.js
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timbre.js
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/**
* timbre.js v12.12.12 / JavaScript Library for Objective Sound Programming
*/
;
var timbre = (function(context, timbre) {
"use strict";
///// timbre.js /////
var timbre = function() {
return timbre.fn.init.apply(timbre, arguments);
};
timbre.VERSION = "v12.12.12";
timbre.env = "";
timbre.platform = "";
timbre.samplerate = 0;
timbre.channels = 2;
timbre.cellsize = 128;
timbre.streamsize = 1024;
timbre.dacs = [];
timbre.timers = [];
timbre.listeners = [];
timbre.sys = null;
timbre.context = {};
timbre.utils = {};
timbre._ = { ev:{}, amp:0.8,
autorun:true, verbose:true, workerpath:"",
none:new Float32Array(timbre.cellsize) };
Object.defineProperties(timbre, {
amp: {
set: function(value) {
if (typeof value === "number") timbre._.amp = value;
},
get: function() { return timbre._.amp; }
},
autorun: {
set: function(value) {
timbre._.autorun = !!value;
},
get: function() { return timbre._.autorun; }
},
workerpath: {
set: function(value) {
if (typeof value === "string") timbre._.workerpath = value;
},
get: function() { return timbre._.workerpath; }
},
verbose: {
set: function(value) {
timbre._.verbose = !!value;
},
get: function() { return timbre._.verbose; }
},
isOn: {
get: function() { return timbre.sys._.ison; }
},
isOff: {
get: function() { return !timbre.sys._.ison; }
}
});
timbre.setup = function(params) {
if (!Object.isFrozen(timbre)) {
if (typeof params === "object") {
if (typeof params.samplerate === "number") {
timbre.samplerate = params.samplerate;
}
if (typeof params.channels === "number") {
timbre.channels = params.channels;
}
if (typeof params.cellsize === "number") {
timbre.cellsize = params.cellsize;
}
if (typeof params.streamsize === "number") {
timbre.cellsize = params.streamsize;
}
}
timbre.sys.setup();
timbre._.none = new Float32Array(timbre.cellsize);
Object.freeze(timbre);
} else {
if (timbre._.verbose && params) {
console.warn("timbre is already configured.");
}
}
return timbre;
};
timbre.on = function() {
if (!timbre.sys._.ison) {
timbre.setup();
timbre.sys.on();
timbre.fn.doEvent(this, "on");
}
return timbre;
};
timbre.off = function() {
if (timbre.sys._.ison) {
timbre.sys.off();
timbre.fn.doEvent(this, "off");
}
return timbre;
};
timbre.addEventListener = function(name, func) {
if (typeof func === "function") {
if (name[0] === "~") {
name = name.substr(1);
func.rm = true;
}
var i, list = this._.ev[name];
if (list === undefined) {
this._.ev[name] = list = [];
}
if ((i = list.indexOf(func)) === -1) {
list.push(func);
}
}
return this;
};
timbre.removeEventListener = function(name, func) {
if (typeof name === "string" && name !== "") {
var i, list = this._.ev[name];
if (list !== undefined) {
if ((i = list.indexOf(func)) !== -1) {
list.splice(i, 1);
}
}
}
return this;
};
timbre.removeAllEventListeners = function(name) {
if (typeof name === "string" && name !== "") {
delete this._.ev[name];
delete this["on" + name];
}
return this;
};
(function() {
var append = function() {
var args = timbre.fn.valist(arguments);
for (var i = 0, imax = args.length, b = false; i < imax; ++i) {
var p = args[i]._.proto;
if (p._.type === this.type) {
if (this.indexOf(args[i]) === -1) {
this.push(args[i]);
b = true;
}
}
}
if ( b && timbre._.autorun && this !== timbre.listeners ) timbre.on();
return this;
};
var remove = function() {
for (var i = arguments.length, j; i--; ) {
if ((j = this.indexOf(arguments[i])) !== -1) {
this.splice(j, 1);
}
}
if ( timbre._.autorun &&
timbre.dacs.length === 0 &&
timbre.timers.length === 0 ) timbre.off();
return this;
};
var removeAll = function() {
while (this.length > 0) this.pop();
if ( timbre._.autorun &&
timbre.dacs.length === 0 &&
timbre.timers.length === 0 ) timbre.off();
return this;
};
for (var x, i = arguments.length; i--; ) {
x = arguments[i];
x.append = append;
x.remove = remove;
x.removeAll = removeAll;
}
}(timbre.dacs, timbre.timers, timbre.listeners));
timbre.dacs.type = 1;
timbre.timers.type = 2;
timbre.listeners.type = 3;
///// core/fn.js /////
timbre.fn = (function(timbre) {
var fn = {}, NOP = function() { return this; };
var TimbreObject = function() {};
TimbreObject.objectId = 0;
TimbreObject.klasses = {
_find: function(key) {
if (typeof TimbreObject.klasses[key] === "function") {
return TimbreObject.klasses[key];
}
key = "-" + timbre.env + "-" + key;
if (typeof TimbreObject.klasses[key] === "function") {
return TimbreObject.klasses[key];
}
}
};
TimbreObject.PrototypeValue = function() {};
timbre.TimbreBasePrototype = TimbreObject.prototype = {
play: function() {
var f, _ = this._;
if (_.ar) {
if (_.dac === null) {
_.dac = timbre("dac", this);
if ((f = _.proto._.play) instanceof Function) f.call(this);
timbre.fn.doEvent(this, "play");
} else if (this.dac.args.indexOf(this) === -1) {
_.dac.append(this);
if ((f = _.proto._.play) instanceof Function) f.call(this);
timbre.fn.doEvent(this, "play");
}
if (_.dac.isOff) _.dac.on();
}
return this;
},
pause: function() {
var f, _ = this._;
if (_.dac && _.dac.args.indexOf(this) !== -1) {
_.dac.remove(this);
if ((f = _.proto._.pause) instanceof Function) f.call(this);
timbre.fn.doEvent(this, "pause");
if (_.dac.isOn && _.dac.args.length === 0) _.dac.off();
}
return this;
},
ar: function() {
this._.ar = true;
return this;
},
kr: function() {
this._.ar = false;
return this;
},
bang: function() {
timbre.fn.doEvent(this, "bang");
return this;
},
seq: function() {
return this.cell;
},
on: function() {
var f;
this._.ison = true;
if ((f = this._.proto._.on) instanceof Function) f.call(this);
timbre.fn.doEvent(this, "on");
return this;
},
off: function() {
var f;
this._.ison = false;
if ((f = this._.proto._.off) instanceof Function) f.call(this);
timbre.fn.doEvent(this, "off");
return this;
},
clone: function(deep) {
var newone = timbre(this._.proto._.klassname);
timbre.fn.copyBaseArguments(this, newone, deep);
return newone;
},
// v12.07.18: buddy
buddy: function(name, list, altMethod) {
var buddies = this._.buddies;
if (typeof name === "string") name = [ name ];
if (name instanceof Array) {
for (var i = name.length, x; i--; ) {
if (typeof(x = name[i]) === "string") {
if (list === null) {
delete buddies[x];
} else if (list === undefined) {
buddies[x] = [this.args, altMethod];
} else if (list instanceof Array) {
buddies[x] = [ list , altMethod];
} else if (list instanceof Function) {
buddies[x] = [[list] , altMethod];
} else if (list instanceof TimbreObject) {
buddies[x] = [[list] , altMethod];
}
}
}
}
return this;
},
append: function() {
var f;
this.args.append.apply(this.args, arguments);
if ((f = this._.proto._.append) instanceof Function) f.call(this);
return this;
},
appendTo: function(obj) {
obj.args.append.call(obj.args, this);
return this;
},
remove: function() {
var f;
this.args.remove.apply(this.args, arguments);
if ((f = this._.proto._.remove) instanceof Function) f.call(this);
return this;
},
removeFrom: function(obj) {
obj.args.remove.call(obj.args, this);
return this;
},
removeAll: function() {
var f;
this.args.removeAll.apply(this.args, arguments);
if ((f = this._.proto._.remove) instanceof Function) f.call(this);
return this;
},
set: function(key, value) {
var desc = Object.getOwnPropertyDescriptor;
if (typeof key === "string") {
var x = this._.proto;
while (x !== null) {
if (desc(x, key) !== undefined) {
this[key] = value;
break;
}
x = Object.getPrototypeOf(x);
}
} else if (typeof key === "object") {
for (var k in key) {
var x = this._.proto;
while (x !== null) {
if (desc(x, k) !== undefined) {
this[k] = key[k];
break;
}
x = Object.getPrototypeOf(x);
}
}
}
return this;
},
get: function(key) {
var desc = Object.getOwnPropertyDescriptor;
var x = this._.proto;
while (x !== null) {
if (desc(x, key) !== undefined) return this[key];
x = Object.getPrototypeOf(x);
}
},
addEventListener : timbre.addEventListener,
removeEventListener : timbre.removeEventListener,
removeAllEventListeners: timbre.removeAllEventListeners
}; // TimbreObject.prototype
var TimbreObjectPropertiesDescription = {
isAr: { get: function() { return !!this._.ar; } },
isKr: { get: function() { return !this._.ar; } },
isOn : { get: function() { return !!this._.ison; } },
isOff: { get: function() { return !this._.ison; } },
isUndefined: { get: function() { return this._.isUndefined; } },
scalar: {
get: function() {
if (timbre.sys.seq_id !== this.seq_id) {
this.seq(timbre.sys.seq_id);
}
return this.cell[0];
}
},
dac: {
set: function(value) {
if (value !== this._.dac) {
if (this._.dac !== null) {
this._.dac.remove(this);
}
if (value !== null) {
this._.dac = value.append(this);
} else {
this._.dac = null;
}
}
},
get: function() { return this._.dac; },
},
mul: {
set: function(value) {
if (typeof value === "number") { this._.mul = value; }
},
get: function() { return this._.mul; }
},
add: {
set: function(value) {
if (typeof value === "number") { this._.add = value; }
},
get: function() { return this._.add; }
}
}; // TimbreObjectPropertiesDescription
Object.defineProperties(TimbreObject.prototype,
TimbreObjectPropertiesDescription);
fn.init = function() {
if (TimbreObject.objectId === 0) timbre.setup();
var klass, instance;
var isThrougOut, isUndefined;
var args = Array.prototype.slice.call(arguments);
var key = args[0];
switch (typeof key) {
case "string":
if ((klass = TimbreObject.klasses._find(key)) !== undefined) {
instance = new klass(args.slice(1));
}
break;
case "number":
instance = new NumberWrapper([key]);
break;
case "boolean":
instance = new BooleanWrapper([key]);
break;
case "function":
instance = new FunctionWrapper(args);
break;
case "object":
if (key === null) {
instance = new NumberWrapper([0]);
} else if (fn.isTimbreObject(key)) {
instance = key;
isThrougOut = true;
} else if (key instanceof Array) {
instance = new ArrayWrapper([key]);
}
break;
}
if (instance === undefined) {
instance = new NumberWrapper([0]);
isUndefined = true;
if (timbre._.verbose) {
console.warn("'" + key + "' is not defined.");
}
}
var p = Object.getPrototypeOf(instance);
if (!isThrougOut) {
instance.seq_id = -1;
if (!instance.cell) {
instance.cell = new Float32Array(timbre.cellsize);
}
if (!instance.args) instance.args = [];
timbre.fn.arrayset(instance.args);
if (!instance.hasOwnProperty("_")) instance._ = {};
instance._.proto = p;
instance._.isUndefined = !!isUndefined;
instance._.id = TimbreObject.objectId++;
if (typeof instance._.ev !== "object") {
instance._.ev = {};
}
if (typeof instance._.buddies !== "object") {
instance._.buddies = {};
}
if (typeof instance._.ar !== "boolean") {
if (p && typeof p._ === "object") {
instance._.ar = !!p._.ar;
} else {
instance._.ar = false;
}
}
if (typeof instance._.ison !== "boolean") {
instance._.ison = true;
}
if (typeof instance._.mul !== "number") {
instance._.mul = 1.0;
}
if (typeof instance._.add !== "number") {
instance._.add = 0.0;
}
if (typeof instance._.dac !== "object") {
instance._.dac = null;
}
}
if (p._.init instanceof Function) p._.init.call(instance);
return instance;
}; // fn.init
fn.register = function(key, klass, func) {
if (typeof key !== "string") return;
if (klass instanceof Function) {
var p = klass.prototype;
var q = TimbreObject.prototype;
var _ = new TimbreObject.PrototypeValue();
if (typeof p._ === "object") {
for (var i in p._) _[i] = p._[i];
}
p._ = _;
if (!(p instanceof TimbreObject)) {
for (var i in q) {
if (typeof q[i] === "function") {
if (!(p[i] instanceof Function)) p[i] = q[i];
}
}
for (var i in TimbreObjectPropertiesDescription) {
if (Object.getOwnPropertyDescriptor(p, i) === undefined) {
Object.defineProperty(p, i, TimbreObjectPropertiesDescription[i]);
}
}
}
if (typeof p.ar !== "function") {
fn.setPrototypeOf.call(p, "ar-kr");
}
for (var j in p) {
if (p.hasOwnProperty(j) && p[j] instanceof Function) {
if (q[j] === undefined) q[j] = NOP;
}
}
}
if (func instanceof Function) {
TimbreObject.klasses[key] = func;
} else {
p._.klassname = key;
p._.klass = klass;
TimbreObject.klasses[key] = klass;
}
}; // fn.register
TimbreObject.dac = {
on: function() {
var f;
this._.ison = true;
timbre.dacs.append(this);
if ((f = this._.proto._.on)) f.call(this);
timbre.fn.doEvent(this, "on");
return this;
},
off: function() {
var f;
this._.ison = false;
timbre.dacs.remove(this);
if ((f = this._.proto._.off)) f.call(this);
timbre.fn.doEvent(this, "off");
return this;
},
play: function() {
var f;
this._.ison = true;
timbre.dacs.append(this);
if ((f = this._.proto._.play)) f.call(this);
timbre.fn.doEvent(this, "play");
return this;
},
pause: function() {
var f;
this._.ison = false;
timbre.dacs.remove(this);
if ((f = this._.proto._.pause)) f.call(this);
timbre.fn.doEvent(this, "pause");
return this;
}
};
TimbreObject.timer = {
on: function() {
var f;
this._.ison = true;
timbre.timers.append(this);
if ((f = this._.proto._.on)) f.call(this);
timbre.fn.doEvent(this, "on");
return this;
},
off: function() {
var f;
this._.ison = false;
timbre.timers.remove(this);
if ((f = this._.proto._.off)) f.call(this);
timbre.fn.doEvent(this, "off");
return this;
},
play: function() {
var f;
if ((f = this._.proto._.play)) f.call(this);
timbre.fn.doEvent(this, "play");
return this;
},
pause: function() {
var f;
if ((f = this._.proto._.pause)) f.call(this);
timbre.fn.doEvent(this, "pause");
return this;
}
};
TimbreObject.listener = {
listen: function(target) {
if (target === null) {
if (this._.args) this.args = this._.args;
timbre.listeners.remove(this);
} else {
if (fn.isTimbreObject(target)) {
this._.args = this.args;
this.args.removeAll();
this.args.append(target);
timbre.listeners.append(this);
}
}
return this;
}
};
fn.setPrototypeOf = function(type) {
if (!this._) this._ = {};
switch (type) {
case "ar-only": case "ar":
this.ar = this.kr = NOP;
this._.ar = true;
break;
case "kr-only": case "kr":
this.ar = this.kr = NOP;
this._.ar = false;
break;
case "kr-ar": case "kr->ar":
this._.ar = false;
break;
case "ar-kr": case "ar->kr":
this._.ar = true;
break;
case "dac":
this.on = TimbreObject.dac.on;
this.off = TimbreObject.dac.off;
this.play = TimbreObject.dac.play;
this.pause = TimbreObject.dac.pause;
this._.type = 1;
break;
case "timer":
this.on = TimbreObject.timer.on;
this.off = TimbreObject.timer.off;
this.play = TimbreObject.timer.play;
this.pause = TimbreObject.timer.pause;
this._.type = 2;
break;
case "listener":
this.listen = TimbreObject.listener.listen;
this._.type = 3;
break;
}
return this;
};
fn.valist = function(args) {
if (args instanceof Array) {
return args.map(timbre);
} else {
return Array.prototype.map.call(args, timbre);
}
};
fn.arrayset = (function() {
var append = function() {
var args = fn.valist(arguments);
for (var i = 0, imax = args.length; i < imax; ++i) {
if (this.indexOf(args[i]) === -1) this.push(args[i]);
}
return this;
};
var remove = function() {
for (var i = arguments.length, j; i--; ) {
if ((j = this.indexOf(arguments[i])) !== -1) {
this.splice(j, 1);
}
}
return this;
};
var removeAll = function() {
while (this.length > 0) this.pop();
return this;
};
var extend = function() {
this.append.apply(this, list);
return this;
};
return function(self) {
var remindexes = [];
for (var i = 1, imax = self.length; i < imax; ++i) {
var find = self.indexOf(self[i]);
if (find !== -1 && find < i) remindexes.push(i);
}
while (remindexes.length) {
self.splice(remindexes.pop(), 1);
}
self.append = append;
self.remove = remove;
self.removeAll = removeAll;
self.extend = extend;
return self;
};
}());
// v12.07.18: for buddy
var buddyCall = function(name, list, altMethod) {
var func;
for (var i = 0, imax = list.length; i < imax; ++i) {
if (list[i] instanceof Array) {
buddyCall(name, list[i], altMethod);
} else if (list[i] instanceof Function) {
list[i].call();
} else if ((func = list[i][altMethod||name]) instanceof Function) {
func.call(list[i]);
}
}
};
fn.doEvent = function(obj, name, args) {
var func, list;
if ((func = obj["on" + name]) instanceof Function) {
func.apply(obj, args);
}
if ((list = obj._.ev[name]) !== undefined) {
for (var i = 0, imax = list.length; i < imax; ++i) {
func = list[i];
func.apply(obj, args);
if (func.rm) obj.removeEventListener(name, func);
}
}
// v12.07.18: for buddy
if (obj._.buddies && (list = obj._.buddies[name]) !== undefined) {
buddyCall(name, list[0], list[1]);
}
};
fn.do_event = fn.doEvent;
fn.copyBaseArguments = function(src, dst, deep) {
var src_args, i, imax;
dst._.ar = src._.ar;
dst._.mul = src._.mul;
dst._.add = src._.add;
dst._.ison = src._.ison;
src_args = src.args;
if (deep) {
for (i = 0, imax = src_args.length; i < imax; ++i) {
dst.args[i] = src_args[i].clone(true);
}
} else {
for (i = 0, imax = src_args.length; i < imax; ++i) {
dst.args[i] = src_args[i];
}
}
return dst;
};
fn.copy_for_clone = fn.copyBaseArguments;
fn.isTimbreObject = function(o) {
var x;
if (o instanceof TimbreObject) {
return true;
}
if (o instanceof Object) {
if ((x = o._) instanceof Object) {
if ((x = x.proto) instanceof Object) {
return x._ instanceof TimbreObject.PrototypeValue;
}
}
}
return false;
};
fn.getClass = function(name) {
return TimbreObject.klasses[name];
};
fn.copyPropertyDescriptors = function(self, base, names) {
console.warn("timbre.fn.copyPropertyDescriptors is deprecated.");
var i, d;
for (i = names.length; i--; ) {
d = Object.getOwnPropertyDescriptor(base, names[i]);
if (d !== undefined) {
Object.defineProperty(self, names[i], d);
}
}
return self;
};
fn.copyFunctions = function(self, base, names) {
console.warn("timbre.fn.copyFunctions is deprecated.");
var i, f;
for (i = names.length; i--; ) {
if ((f = base[names[i]]) instanceof Function) self[names[i]] = f;
}
return self;
};
fn.sumargsAR = function(self, args, seq_id) {
var cell, tmp, i, imax, j, jmax;
cell = self.cell;
j = jmax = cell.length;
while (j) {
cell[--j] = 0; cell[--j] = 0; cell[--j] = 0; cell[--j] = 0;
cell[--j] = 0; cell[--j] = 0; cell[--j] = 0; cell[--j] = 0;
}
for (i = 0, imax = args.length; i < imax; ++i) {
tmp = args[i].seq(seq_id);
j = jmax;
while (j) {
--j; cell[j] += tmp[j]; --j; cell[j] += tmp[j];
--j; cell[j] += tmp[j]; --j; cell[j] += tmp[j];
--j; cell[j] += tmp[j]; --j; cell[j] += tmp[j];
--j; cell[j] += tmp[j]; --j; cell[j] += tmp[j];
}
}
return cell;
};
fn.sumargsKR = function(self, args, seq_id) {
var tmp = 0;
for (var i = 0, imax = args.length; i < imax; ++i) {
tmp += args[i].seq(seq_id)[0];
}
return tmp;
};
// v12.07.18:
fn.buildPrototype = function(constructor, options) {
var TimbreObject = function() {};
TimbreObject.prototype = timbre.TimbreBasePrototype;
var p = constructor.prototype = new TimbreObject();
options = options || {};
var base = options.base;
if (typeof base === "string") base = [ base ];
if (base instanceof Array) {
base.forEach(function(x) {
if (typeof x === "string") {
fn.setPrototypeOf.call(this, x);
} else if (typeof x === "function") {
x.call(p);
}
}.bind(p));
}
if (options.properties instanceof Object) {
Object.defineProperties(p, options.properties);
}
var copies = options.copies;
if (copies instanceof Array) {
var klassMap = {};
var re = /^([\w\d]+)\.([\w\d]+)(\(\))?$/;
copies.forEach(function(x) {
var m = re.exec(x.trim());
if (m !== null) {
var klass = klassMap[m[1]] ||
(klassMap[m[1]] = timbre.fn.getClass(m[1]));
if (klass !== undefined) {
var name = m[2];
var x, q = klass.prototype;
if (m[3] !== undefined) {
if ((x = q[name]) instanceof Function) p[name] = x;
} else {
var x = Object.getOwnPropertyDescriptor(q, name);
if (x !== undefined) {
Object.defineProperty(p, name, x);
}
}
}
}
});
}
return p;
};
// v12.07.24
fn.fix = function() {
for (var i = 0, imax = arguments.length; i < imax; ++i) {
var name = arguments[i];
switch (name) {
case "atom":
timbre.utils.atom.octaveshift = -1;
break;
}
}
return timbre;
};
fn._setupTimbre = function(defaultSamplerate) {
switch (timbre.samplerate) {
case 8000: case 11025: case 12000:
case 16000: case 22050: case 24000:
case 32000: case 44100: case 48000:
break;
default:
timbre.samplerate = defaultSamplerate;
}
switch (timbre.channels) {
default:
timbre.channels = 2;
}
switch (timbre.cellsize) {
case 64: case 128:
case 256: case 512:
break;
default:
timbre.cellsize = 128;
}
switch (timbre.streamsize) {
case 512: case 1024: case 2048:
case 4096: case 8192:
break;
default:
timbre.streamsize = 1024;
}
};
return fn;
}(timbre));
///// core/soundsystem.js /////
var SoundSystem = (function() {
var SoundSystem = function() {
initialize.apply(this, arguments);
}, $this = SoundSystem.prototype;
var initialize = function() {
this.streamsize = timbre.streamsize;
this.channels = timbre.channels;
this.L = new Float32Array(timbre.streamsize);
this.R = new Float32Array(timbre.streamsize);
this.cell = new Float32Array(timbre.cellsize);
this.seq_id = 0;
this._ = {};
this._.impl = null;
this._.ison = false;
this._.cellsize = timbre.cellsize;
};
$this.bind = function(PlayerKlass) {
this._.impl = new PlayerKlass(this);
};
$this.setup = function() {
if (this._.impl) this._.impl.setup();
this.streamsize = timbre.streamsize;
this.channels = timbre.channels;
if (timbre.streamsize !== this.L.length) {
this.L = new Float32Array(timbre.streamsize);
this.R = new Float32Array(timbre.streamsize);
}
if (timbre.cellsize !== this.cell.length) {
this.cell = new Float32Array(timbre.cellsize);
this._.cellsize = timbre.cellsize;
}
if (timbre.samplerate === 0) timbre.samplerate = 44100;
};
$this.on = function() {
if (this._.impl) {
this._.ison = true;
this._.impl.on();
}
};
$this.off = function() {
if (this._.impl) {
this._.impl.off();
this._.ison = false;
}
};
$this.process = function() {
var cell, L, R;
var seq_id, dacs, dac, timers, timer, listeners, listener;
var i, imax, j, jmax, k, kmax, n, nmax;
var saved_i, tmpL, tmpR, amp, x;