Adding a function that allows user to trim silence from audio

lib/video.js

@@ -551,13 +551,10 @@ module.exports = function (filePath, settings, infoConfiguration, infoFile) {
 		var onlyDestinationFile = folder != undefined ? false : true;
 		// Building the value for return value. Check if the callback is not a function. In this case will created a new instance of the deferred class
 		var deferred = typeof callback != 'function' ? when.defer() : { promise : null };
-        // Deal with input paths that have spaces in them, by quoting them
-		for (i=0; i<inputs.length; i++) {
-		    inputs[i] = '\'' + inputs[i] + '\'';
-		}
+
 		// Create a copy of the commands list
 		var finalCommands = ['ffmpeg -i']
-			.concat(inputs.map(utils.addQuotes).join(' -i '))
+			.concat(inputs.join(' -i '))
 			.concat(commands.join(' '))
 			.concat(filtersComlpex.length > 0 ? ['-filter_complex "'].concat(filtersComlpex.join(', ')).join('') + '"' : [])
 			.concat([output]);
@@ -632,6 +629,34 @@ module.exports = function (filePath, settings, infoConfiguration, infoFile) {
 		// Executing the commands list
 		return execCommand.call(this, callback);
 	}
+
+	/**
+	 * trimming the silence part from mp3
+	 */
+	this.fnTrimmingSilenceFromMP3 = function (destionationFileName, callback) {
+		// Check if file already exists. In this case will remove it
+		if (fs.existsSync(destionationFileName))
+			fs.unlinkSync(destionationFileName);
+
+		// Building the final path
+		var destinationDirName		= path.dirname(destionationFileName)
+		  , destinationFileNameWE	= path.basename(destionationFileName, path.extname(destionationFileName)) + '.mp3'
+		  , finalPath				= path.join(destinationDirName, destinationFileNameWE);
+
+
+		// Adding commands to the list
+		this.addCommand('-vn');
+		this.addCommand('-ar', 44100);
+		this.addCommand('-ac', 2);
+		this.addCommand('-ab', 192);
+		this.addCommand('-f', 'mp3');
+
+		// Add destination file path to the command list
+		setOutput(finalPath);
+
+		// Executing the commands list
+		return execCommand.call(this, callback);
+	}
 
 	/**
 	 * Extract frame from video file

package.json

@@ -12,6 +12,6 @@
 	},
 	"main": "./index.js",
 	"dependencies": {
-		"when" : ">= 0.0.1"
+		"when": ">= 0.0.1"
 	}
 }