bitdepth - npm Package Compare versions

Comparing version 3.1.0 to 3.1.1

dist/bitdepth-min.js

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

index.js

@@ -24,9 +24,5 @@ /**
 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);
@@ -39,2 +35,4 @@ let options = {
     };
+    const len = samples.length;
+    // sign the samples if original is 8-bit
     if (original == "8") {
@@ -45,5 +43,7 @@ for (let i=0; i<len; i++) {
     }
+    // change the resolution of the samples
     for (let i=0; i<len; i++) {        
         outputArray[i] = toFunction(samples[i], options);
     }
+    // unsign the samples if target is 8-bit
     if (target == "8") {
@@ -103,8 +103,7 @@ for (let i=0; i<len; i++) {
     f64f32_[0] = sample;
-    sample = f64f32_[0];
-    return sample;
+    return f64f32_[0];
 }
 
 /**
- * Get the function to change the bit depth of a sample.
+ * Return the function to change the bit depth of a sample.
  * @param {!string} original The original bit depth of the data.
@@ -118,15 +117,21 @@ *      One of "8" ... "53", "32f", "64"
 function getBitDepthFunction_(original, target) {
+    /** @type {!Function} */
+    let func;
     if (["32f", "64"].includes(original)) {
         if (["32f", "64"].includes(target)) {
-            return floatToFloat_;
+            func = floatToFloat_;
         } else {
-            return floatToInt_;
+            func = floatToInt_;
         }
     } else {
         if (["32f", "64"].includes(target)) {
-            return intToFloat_;
+            func = intToFloat_;
         } else {
-            return intToInt_;
+            func = intToInt_;
         }
     }
+    if (original == target) {
+        func = function(x) {return x;};
+    }
+    return func;
 }
@@ -139,3 +144,2 @@
  * @throws {Error} If any argument does not meet the criteria.
- * @return {!boolean}
  * @private
@@ -148,3 +152,2 @@ */
     }
-    return true;
 }
@@ -151,0 +154,0 @@

package.json

 {
   "name": "bitdepth",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "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",

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Improved metrics

Total package byte prevSize

67394

increased by0.59%

Number of package files

15

increased by7.14%

Lines of code

836

increased by0.36%

No dependency changes