diff --git a/src/FFMpeg/FFMpeg.php b/src/FFMpeg/FFMpeg.php
index 7fa0301..17dbc60 100644
--- a/src/FFMpeg/FFMpeg.php
+++ b/src/FFMpeg/FFMpeg.php
@@ -186,7 +186,7 @@ class FFMpeg extends Binary
         if ($format instanceof Audio\Transcodable) {
             $cmd .= ' -acodec ' . $format->getAudioCodec();
         }
-        
+
         if ($format instanceof Audio\Resamplable) {
             $cmd .= ' -ac 2 -ar ' . $format->getAudioSampleRate();
         }
@@ -234,17 +234,17 @@ class FFMpeg extends Binary
                 throw new LogicException('You must set a valid prober if you use RESIZEMODE_INSET');
             }
 
-            $result = $this->prober->probeStreams($this->pathfile);
+            $result = json_decode($this->prober->probeStreams($this->pathfile), true);
 
             $originalWidth = $originalHeight = null;
 
             foreach ($result as $stream) {
-                foreach ($stream as $info) {
-                    if (strpos($info, 'width=') === 0) {
+                foreach ($stream as $name => $value) {
+                    if ($name == 'width') {
                         $originalWidth = substr($info, 6);
                         continue;
                     }
-                    if (strpos($info, 'height=') === 0) {
+                    if ($name == 'value') {
                         $originalHeight = substr($info, 7);
                         continue;
                     }
diff --git a/src/FFMpeg/FFProbe.php b/src/FFMpeg/FFProbe.php
index fb90b9b..b2484e4 100644
--- a/src/FFMpeg/FFProbe.php
+++ b/src/FFMpeg/FFProbe.php
@@ -27,7 +27,8 @@ class FFProbe extends Binary
      * Probe the format of a given file
      *
      * @param  string                   $pathfile
-     * @return string
+     * @return string    A Json object containing the key/values of the probe output
+     * 
      * @throws InvalidArgumentException
      * @throws RuntimeException
      */
@@ -39,14 +40,41 @@ class FFProbe extends Binary
 
         $cmd = $this->binary . ' ' . $pathfile . ' -show_format';
 
-        return $this->executeProbe($cmd);
+        $output = $this->executeProbe($cmd);
+
+        $ret = array();
+
+        foreach (explode("\n", $output) as $line) {
+
+            if (in_array($line, array('[FORMAT]', '[/FORMAT]'))) {
+                continue;
+            }
+
+            $chunks = explode('=', $line);
+            $key = array_shift($chunks);
+
+            if ('' === trim($key)) {
+                continue;
+            }
+
+            $value = trim(implode('=', $chunks));
+
+            if (ctype_digit($value)) {
+                $value = (int) $value;
+            }
+
+            $ret[$key] = $value;
+        }
+
+        return json_encode($ret);
     }
 
     /**
      * Probe the streams contained in a given file
      *
      * @param  string                   $pathfile
-     * @return string
+     * @return array    An array of streams array
+     * 
      * @throws InvalidArgumentException
      * @throws RuntimeException
      */
@@ -65,16 +93,32 @@ class FFProbe extends Binary
 
         foreach ($output as $line) {
 
-            if (in_array($line, array('[STREAM]', '[/STREAM]'))) {
+            if ($line == '[STREAM]') {
                 $n ++;
                 $ret[$n] = array();
                 continue;
             }
+            if ($line == '[/STREAM]') {
+                continue;
+            }
 
-            $ret[$n][] = $line;
+            $chunks = explode('=', $line);
+            $key = array_shift($chunks);
+
+            if ('' === trim($key)) {
+                continue;
+            }
+
+            $value = trim(implode('=', $chunks));
+
+            if (ctype_digit($value)) {
+                $value = (int) $value;
+            }
+
+            $ret[$n][$key] = $value;
         }
 
-        return $ret;
+        return json_encode(array_values($ret));
     }
 
     /**