add support for passing options to child process

README.md

@@ -12,7 +12,13 @@ Play sounds by shelling out to one of the available audio players.
 
 ```javascript
 var player = require('play-sound')(opts = {})
-player.play('foo.mp3', function(err){}) // $ mplayer foo.mp3 
+player.play('foo.mp3', function(err){
+  if (err) throw err
+}) // $ mplayer foo.mp3 
+
+player.play('foo.mp3', { timeout: 300 }, function(err){  // opts will be passed to child process
+  if (err) throw err
+})
 ```
 
 ## options

index.js

@@ -18,27 +18,18 @@ function Play(opts){
   this.urlRegex      = /^(https?|ftp):\/\/[^\s\/$.?#].[^\s]*$/i
   // Regex by @stephenhay from https://mathiasbynens.be/demo/url-regex
 
-  this.play = function(what, next, maxDuration){
+  this.play = function(what, options, next){
     next  = next || function(){}
+    next  = typeof(options) === 'function' ? options : next
     var isURL = this.player == 'mplayer' && this.urlRegex.test(what)
 
-    try {
-      isFile = fs.statSync(what).isFile()
-    } catch (err){
-      isFile = false
-    }
-
     if (!what) return next(new Error("No audio file specified"));
 
-    if (!isURL && !isFile){
-      return next(new Error(what + " is not a file or URL"))
-    }
-
     if (!this.player){
       return next(new Error("Couldn't find a suitable audio player"))
     }
 
-    child_process.execFile(this.player, [what], { timeout: maxDuration }, function(err, stdout, stderr){
+    child_process.execFile(this.player, [what], options, function(err, stdout, stderr){
       next(err && !err.killed ? err : undefined);
     })
   }

tests.js

@@ -36,18 +36,6 @@ describe('mplayer has the maximum priority', function(){
 })
 
 describe('error handling', function(){
-  it("throws errors if the file doesn't exist", function(done){
-    var spy    = sinon.stub(),
-        player = proxyquire('./', { child_process: {execFile: spy}})({ player: 'mplayer'})
-
-    spy.callsArgWith(1, undefined, undefined, "file doesn't exist")
-
-    player.play('beep.mp3', function(err){
-      expect(err.message).to.be("beep.mp3 is not a file or URL")
-      done()
-    })
-  })
-
   it("throws errors if suitable audio tool couldn't be found", function(done){
     var cli = require('./')({ players: [] })