diff --git a/m3u/AttributeList.js b/m3u/AttributeList.js
index e32b6d6..eb5211c 100644
--- a/m3u/AttributeList.js
+++ b/m3u/AttributeList.js
@@ -1,124 +1,128 @@
 var AttributeList = module.exports = function AttributeList(attributes) {
-  this.attributes = {};
-  this.mergeAttributes(attributes);
+    this.attributes = {};
+    this.mergeAttributes(attributes);
 };
 
 var dataTypes = AttributeList.dataTypes = {
-  'audio'      : 'quoted-string',
-  'autoselect' : 'boolean',
-  'bandwidth'  : 'decimal-integer',
-  'byterange'  : 'enumerated-string',
-  'codecs'     : 'quoted-string',
-  'default'    : 'boolean',
-  'duration'   : 'decimal-floating-point',
-  'forced'     : 'boolean',
-  'group-id'   : 'quoted-string',
-  'language'   : 'quoted-string',
-  'name'       : 'quoted-string',
-  'program-id' : 'decimal-integer',
-  'resolution' : 'decimal-resolution',
-  'subtitles'  : 'quoted-string',
-  'title'      : 'enumerated-string',
-  'type'       : 'enumerated-string',
-  'uri'        : 'quoted-string',
-  'video'      : 'quoted-string'
+    'audio'                 : 'quoted-string',
+    'average-bandwidth'     : 'decimal-integer',
+    'autoselect'            : 'boolean',
+    'bandwidth'             : 'decimal-integer',
+    'byterange'             : 'enumerated-string',
+    'closed-captions'       : 'quoted-string',
+    'codecs'                : 'quoted-string',
+    'default'               : 'boolean',
+    'duration'              : 'decimal-floating-point',
+    'forced'                : 'boolean',
+    'frame-rate'            : 'decimal-floating-point',
+    'group-id'              : 'quoted-string',
+    'instream-id'           : 'quoted-string',
+    'language'              : 'quoted-string',
+    'name'                  : 'quoted-string',
+    'program-id'            : 'decimal-integer',
+    'resolution'            : 'decimal-resolution',
+    'subtitles'             : 'quoted-string',
+    'title'                 : 'enumerated-string',
+    'type'                  : 'enumerated-string',
+    'uri'                   : 'quoted-string',
+    'video'                 : 'quoted-string'
 };
 
 AttributeList.prototype.mergeAttributes = function mergeAttributes(attributes) {
-  var self = this;
-  if (Array.isArray(attributes)) {
-    attributes.forEach(function(attribute) {
-      self.set(attribute.key, attribute.value);
-    });
-  }
+    var self = this;
+    if (Array.isArray(attributes)) {
+        attributes.forEach(function (attribute) {
+            self.set(attribute.key, attribute.value);
+        });
+    }
 };
 
 AttributeList.prototype.get = function getValue(key) {
-  return this.attributes[key];
+    return this.attributes[key];
 };
 
 AttributeList.prototype.set = function setValue(key, value) {
-  key = key.toLowerCase();
-  this.attributes[key] = parse[dataTypes[key] || 'unknown'](value, key);
+    key = key.toLowerCase();
+    this.attributes[key] = parse[dataTypes[key] || 'unknown'](value, key);
 
-  return this;
+    return this;
 };
 
 AttributeList.prototype.getCoerced = function getCoerced(key) {
-  return coerce[dataTypes[key] || 'unknown'](this.get(key));
+    return coerce[dataTypes[key] || 'unknown'](this.get(key));
 };
 
 AttributeList.prototype.toString = function toString() {
-  var self = this;
-  return Object.keys(this.attributes).map(function(key) {
-    return [key.toUpperCase(), self.getCoerced(key)].join('=');
-  }).join(',');
+    var self = this;
+    return Object.keys(this.attributes).map(function (key) {
+        return [key.toUpperCase(), self.getCoerced(key)].join('=');
+    }).join(',');
 };
 
 AttributeList.prototype.serialize = function serialize() {
-  return this.attributes;
+    return this.attributes;
 };
 
 AttributeList.unserialize = function unserialize(object) {
-  var list = new AttributeList;
-  list.attributes = object;
-  return list;
+    var list = new AttributeList;
+    list.attributes = object;
+    return list;
 };
 
 var coerce = {
-  'boolean': function coerceBoolean(value) {
-    return value ? 'YES' : 'NO';
-  },
-  'decimal-floating-point': parseFloat,
-  'decimal-integer': function coerceDecimalInteger(value) {
-    return parseInt(value, 10);
-  },
-  'decimal-resolution': function coerceDecimalResolution(value) {
-    if (Array.isArray(value)) {
-      return value.join('x');
-    } else {
-      return value;
+    'boolean': function coerceBoolean(value) {
+        return value ? 'YES' : 'NO';
+    },
+    'decimal-floating-point': parseFloat,
+    'decimal-integer': function coerceDecimalInteger(value) {
+        return parseInt(value, 10);
+    },
+    'decimal-resolution': function coerceDecimalResolution(value) {
+        if (Array.isArray(value)) {
+            return value.join('x');
+        } else {
+            return value;
+        }
+    },
+    'enumerated-string': function coerceEnumeratedString(value) {
+        return value;
+    },
+    'quoted-string': function coerceQuotedString(value) {
+        return '"' + value.replace(/"/g, '\\"') + '"';
+    },
+    'unknown': function coerceUnknown(value) {
+        return value;
     }
-  },
-  'enumerated-string': function coerceEnumeratedString(value) {
-    return value;
-  },
-  'quoted-string': function coerceQuotedString(value) {
-    return '"' + value.replace(/"/g, '\\"') + '"';
-  },
-  'unknown': function coerceUnknown(value) {
-    return value;
-  }
 };
 
 var parse = {
-  'boolean': function parseBoolean(value) {
-    return typeof value == 'boolean'
-      ? value
-      : (value == 'YES' ? true : false);
-  },
-  'decimal-floating-point': parseFloat,
-  'decimal-integer': function parseDecimalInteger(value) {
-    return parseInt(value, 10);
-  },
-  'decimal-resolution': function coerceDecimalResolution(value) {
-    return value.split('x').map(parse['decimal-integer']);
-  },
-  'enumerated-string': function parseEnumeratedString(value) {
-    return value;
-  },
-  'quoted-string': function parseQuotedString(value) {
-    if (Array.isArray(value)) {
-      return value.join(',');
-    } else if (value.indexOf('"') === 0 &&
-               value.lastIndexOf('"') == value.length - 1) {
-      return value.slice(1,-1);
-    } else {
-      return value;
+    'boolean': function parseBoolean(value) {
+        return typeof value == 'boolean'
+            ? value
+            : (value == 'YES' ? true : false);
+    },
+    'decimal-floating-point': parseFloat,
+    'decimal-integer': function parseDecimalInteger(value) {
+        return parseInt(value, 10);
+    },
+    'decimal-resolution': function coerceDecimalResolution(value) {
+        return value.split('x').map(parse['decimal-integer']);
+    },
+    'enumerated-string': function parseEnumeratedString(value) {
+        return value;
+    },
+    'quoted-string': function parseQuotedString(value) {
+        if (Array.isArray(value)) {
+            return value.join(',');
+        } else if (value.indexOf('"') === 0 &&
+            value.lastIndexOf('"') == value.length - 1) {
+            return value.slice(1, -1);
+        } else {
+            return value;
+        }
+    },
+    'unknown': function parseUnknown(value, key) {
+        console.error('Handling value:', value, ' for unknown key:', key);
+        return value;
     }
-  },
-  'unknown': function parseUnknown(value, key) {
-    console.error('Handling value:', value, ' for unknown key:', key);
-    return value;
-  }
-};
\ No newline at end of file
+};