bitdepth - npm Package Compare versions

Comparing version 3.0.3 to 3.1.0

dist/bitdepth-min.js

@@ -1,5 +0,5 @@
-var k="function"==typeof Object.defineProperties?Object.defineProperty:function(d,b,a){d!=Array.prototype&&d!=Object.prototype&&(d[b]=a.value)},m="undefined"!=typeof window&&window===this?this:"undefined"!=typeof global&&null!=global?global:this;function n(d,b){if(b){var a=m;d=d.split(".");for(var c=0;c<d.length-1;c++){var e=d[c];e in a||(a[e]={});a=a[e]}d=d[d.length-1];c=a[d];b=b(c);b!=c&&null!=b&&k(a,d,{configurable:!0,writable:!0,value:b})}}
-n("Object.is",function(d){return d?d:function(b,a){return b===a?0!==b||1/b===1/a:b!==b&&a!==a}});n("Array.prototype.includes",function(d){return d?d:function(b,a){var c=this;c instanceof String&&(c=String(c));var d=c.length;for(a=a||0;a<d;a++)if(c[a]==b||Object.is(c[a],b))return!0;return!1}});
-(function(d){function b(c){if(a[c])return a[c].a;var e=a[c]={v:c,j:!1,a:{}};d[c].call(e.a,e,e.a,b);e.j=!0;return e.a}var a={};b.u=d;b.m=a;b.h=function(c,a){b.i(c)||Object.defineProperty(c,"a",{configurable:!1,enumerable:!0,get:a})};b.o=function(c){var a=c&&c.l?function(){return c["default"]}:function(){return c};b.h(a,a);return a};b.i=function(a){return Object.prototype.hasOwnProperty.call(a,"a")};b.s="";return b(b.w=0)})([function(d){function b(g,f,b){if(f!=b){l(f);l(b);var d=["32f","64"].includes(f)?
-["32f","64"].includes(b)?p:e:["32f","64"].includes(b)?q:c;var h={g:Math.pow(2,parseInt(f,10))/2,c:Math.pow(2,parseInt(b,10))/2,f:Math.pow(2,parseInt(f,10))/2-1,b:Math.pow(2,parseInt(b,10))/2-1};a(g,f,!1);for(f=0;f<g.length;f++)g[f]=d(g[f],h);a(g,b,!0)}}function a(b,a,c){if("8"==a)if(c)for(a=0;a<b.length;a++)b[a]+=128;else for(a=0;a<b.length;a++)b[a]-=128}function c(a,b){return a=0<a?parseInt(a/b.f*b.b,10):parseInt(a/b.g*b.c,10)}function e(a,b){return parseInt(0<a?a*b.b:a*b.c,10)}function q(a,b){return 0<
-a?a/b.f:a/b.g}function p(a){h[0]=a;return a=h[0]}function l(a){if("32f"!=a&&"64"!=a&&("8">parseInt(a,10)||"53"<parseInt(a,10)))throw Error("Invalid bit depth.");}var h=new Float32Array(1);d.a=b;window.bitDepth=window.bitDepth||{};window.bitDepth.toBitDepth=b}]);
+var l="function"==typeof Object.defineProperties?Object.defineProperty:function(c,a,b){c!=Array.prototype&&c!=Object.prototype&&(c[a]=b.value)},n="undefined"!=typeof window&&window===this?this:"undefined"!=typeof global&&null!=global?global:this;function p(c,a){if(a){var b=n;c=c.split(".");for(var d=0;d<c.length-1;d++){var f=c[d];f in b||(b[f]={});b=b[f]}c=c[c.length-1];d=b[c];a=a(d);a!=d&&null!=a&&l(b,c,{configurable:!0,writable:!0,value:a})}}
+p("Object.is",function(c){return c?c:function(a,b){return a===b?0!==a||1/a===1/b:a!==a&&b!==b}});p("Array.prototype.includes",function(c){return c?c:function(a,b){var d=this;d instanceof String&&(d=String(d));var c=d.length;for(b=b||0;b<c;b++)if(d[b]==a||Object.is(d[b],a))return!0;return!1}});
+(function(c){function a(d){if(b[d])return b[d].a;var f=b[d]={v:d,j:!1,a:{}};c[d].call(f.a,f,f.a,a);f.j=!0;return f.a}var b={};a.u=c;a.m=b;a.h=function(d,b){a.i(d)||Object.defineProperty(d,"a",{configurable:!1,enumerable:!0,get:b})};a.o=function(d){var b=d&&d.l?function(){return d["default"]}:function(){return d};a.h(b,b);return b};a.i=function(b){return Object.prototype.hasOwnProperty.call(b,"a")};a.s="";return a(a.w=0)})([function(c){function a(a,e,c,g){if("64"!=e||"64"!=c){m(e);m(c);g=g||a;var k=
+a.length;var h=["32f","64"].includes(e)?["32f","64"].includes(c)?q:d:["32f","64"].includes(c)?f:b;var r={g:Math.pow(2,parseInt(e,10))/2,c:Math.pow(2,parseInt(c,10))/2,f:Math.pow(2,parseInt(e,10))/2-1,b:Math.pow(2,parseInt(c,10))/2-1};if("8"==e)for(e=0;e<k;e++)g[e]=a[e]-=128;for(e=0;e<k;e++)g[e]=h(a[e],r);if("8"==c)for(a=0;a<k;a++)g[a]=g[a]+=128}}function b(a,b){return a=0<a?parseInt(a/b.f*b.b,10):parseInt(a/b.g*b.c,10)}function d(a,b){return parseInt(0<a?a*b.b:a*b.c,10)}function f(a,b){return 0<a?
+a/b.f:a/b.g}function q(a){h[0]=a;return a=h[0]}function m(a){if("32f"!=a&&"64"!=a&&("8">parseInt(a,10)||"53"<parseInt(a,10)))throw Error("Invalid bit depth.");}var h=new Float32Array(1);c.a=a;window.bitDepth=window.bitDepth||{};window.bitDepth.toBitDepth=a}]);

index.js

@@ -20,39 +20,31 @@ /**
  *      One of "8" ... "53", "32f", "64"
+ * @param {Array<number>=} outputArray An optional array to write converted samples to.
+ *      Useful for writing to typed arrays.
  */
-function toBitDepth(samples, original, target) {
-    if (original != target) {
-        validateBitDepth_(original);
-        validateBitDepth_(target);
-        let toFunction = getBitDepthFunction_(original, target);
-        let options = {
-            oldMin: Math.pow(2, parseInt(original, 10)) / 2,
-            newMin: Math.pow(2, parseInt(target, 10)) / 2,
-            oldMax: (Math.pow(2, parseInt(original, 10)) / 2) - 1,
-            newMax: (Math.pow(2, parseInt(target, 10)) / 2) - 1,
-        };
-        signed8Bit_(samples, original, false);
-        for (let i=0; i<samples.length; i++) {        
-            samples[i] = toFunction(samples[i], options);
+function toBitDepth(samples, original, target, outputArray) {
+    if (original == "64" && target == "64") {
+        return;
+    }
+    validateBitDepth_(original);
+    validateBitDepth_(target);
+    outputArray = outputArray || samples;
+    const len = samples.length;
+    let toFunction = getBitDepthFunction_(original, target);
+    let options = {
+        oldMin: Math.pow(2, parseInt(original, 10)) / 2,
+        newMin: Math.pow(2, parseInt(target, 10)) / 2,
+        oldMax: (Math.pow(2, parseInt(original, 10)) / 2) - 1,
+        newMax: (Math.pow(2, parseInt(target, 10)) / 2) - 1,
+    };
+    if (original == "8") {
+        for (let i=0; i<len; i++) {
+            outputArray[i] = samples[i] -= 128;
         }
-        signed8Bit_(samples, target, true);
     }
-}
-
-/**
- * Sign or unsign 8-bit samples.
- * The input array is modified in-place.
- * @param {!Array<number>} samples The samples.
- * @param {!string} bitDepth The original bit depth of the data.
- * @param {!boolean} signed True if should sign the samples, false otherwise.
- */
-function signed8Bit_(samples, bitDepth, signed) {
-    if (bitDepth == "8") {
-        if (signed) {
-            for (let i=0; i<samples.length; i++) {
-                samples[i] += 128;
-            }
-        } else {
-            for (let i=0; i<samples.length; i++) {
-                samples[i] -= 128;
-            }
+    for (let i=0; i<len; i++) {        
+        outputArray[i] = toFunction(samples[i], options);
+    }
+    if (target == "8") {
+        for (let i=0; i<len; i++) {
+            outputArray[i] = outputArray[i] += 128;
         }
@@ -59,0 +51,0 @@ }

package.json

 {
   "name": "bitdepth",
-  "version": "3.0.3",
+  "version": "3.1.0",
   "description": "Change the resolution of samples to and from 8, 11, 12, 16, 20, 24, 32, 48 & 64-bit.",
@@ -5,0 +5,0 @@ "homepage": "https://github.com/rochars/bitdepth",

README.md

@@ -38,8 +38,10 @@ # bitdepth
  * @param {!Array<number>} samples The samples.
- * @param {!string} originalBitDepth The original bit depth of the data.
+ * @param {!string} original The original bit depth of the data.
  *      One of "8" ... "53", "32f", "64"
- * @param {!string} targetBitDepth The desired bit depth for the data.
+ * @param {!string} target The desired bit depth for the data.
  *      One of "8" ... "53", "32f", "64"
+ * @param {Array<number>=} outputArray An optional array to write converted samples to.
+ *      Useful for writing to typed arrays.
  */
-function toBitDepth(samples, originalBitDepth, targetBitDepth) {}
+function toBitDepth(samples, original, target, outputArray) {}
 ```
@@ -46,0 +48,0 @@

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Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Number of lines in readme file

69

increased by2.99%

Worsened metrics

Total package byte prevSize

67000

decreased by-2.44%

Lines of code

833

decreased by-0.83%

No dependency changes