diff --git a/src/FFMpeg/Coordinate/Dimension.php b/src/FFMpeg/Coordinate/Dimension.php
index 33ebaea..5b53415 100644
--- a/src/FFMpeg/Coordinate/Dimension.php
+++ b/src/FFMpeg/Coordinate/Dimension.php
@@ -22,8 +22,8 @@ class Dimension
     private $height;
 
     /**
-     * @param integer $width
-     * @param integer $height
+     * @param int $width
+     * @param int $height
      *
      * @throws InvalidArgumentException when one of the parameteres is invalid
      */
@@ -40,7 +40,7 @@ class Dimension
     /**
      * Returns width.
      *
-     * @return integer
+     * @return int
      */
     public function getWidth()
     {
@@ -50,7 +50,7 @@ class Dimension
     /**
      * Returns height.
      *
-     * @return integer
+     * @return int
      */
     public function getHeight()
     {
@@ -60,7 +60,7 @@ class Dimension
     /**
      * Returns the ratio.
      *
-     * @param type $forceStandards Whether or not force the use of standards ratios;
+     * @param bool $forceStandards Whether or not force the use of standards ratios;
      *
      * @return AspectRatio
      */
diff --git a/src/FFMpeg/Coordinate/Point.php b/src/FFMpeg/Coordinate/Point.php
index 710216c..1758e22 100644
--- a/src/FFMpeg/Coordinate/Point.php
+++ b/src/FFMpeg/Coordinate/Point.php
@@ -28,7 +28,7 @@ class Point
     }
 
     /**
-     * @return integer
+     * @return int
      */
     public function getX()
     {
@@ -36,7 +36,7 @@ class Point
     }
 
     /**
-     * @return integer
+     * @return int
      */
     public function getY()
     {
diff --git a/src/FFMpeg/Filters/AdvancedMedia/ComplexFilterContainer.php b/src/FFMpeg/Filters/AdvancedMedia/ComplexFilterContainer.php
index ee8f6c8..d8bcc4e 100644
--- a/src/FFMpeg/Filters/AdvancedMedia/ComplexFilterContainer.php
+++ b/src/FFMpeg/Filters/AdvancedMedia/ComplexFilterContainer.php
@@ -47,7 +47,7 @@ class ComplexFilterContainer implements ComplexFilterInterface
     /**
      * Returns the priority of the filter.
      *
-     * @return integer
+     * @return int
      */
     public function getPriority()
     {
diff --git a/src/FFMpeg/Filters/Audio/AudioResamplableFilter.php b/src/FFMpeg/Filters/Audio/AudioResamplableFilter.php
index 5a6bfba..8536d08 100644
--- a/src/FFMpeg/Filters/Audio/AudioResamplableFilter.php
+++ b/src/FFMpeg/Filters/Audio/AudioResamplableFilter.php
@@ -18,7 +18,7 @@ class AudioResamplableFilter implements AudioFilterInterface
 {
     /** @var string */
     private $rate;
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     public function __construct($rate, $priority = 0)
diff --git a/src/FFMpeg/Filters/Audio/CustomFilter.php b/src/FFMpeg/Filters/Audio/CustomFilter.php
index 4c1a29c..5e565f1 100644
--- a/src/FFMpeg/Filters/Audio/CustomFilter.php
+++ b/src/FFMpeg/Filters/Audio/CustomFilter.php
@@ -17,7 +17,7 @@ class CustomFilter implements AudioFilterInterface
 {
     /** @var string */
     private $filter;
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     /**
diff --git a/src/FFMpeg/Filters/FilterInterface.php b/src/FFMpeg/Filters/FilterInterface.php
index cb41d51..5e2a040 100644
--- a/src/FFMpeg/Filters/FilterInterface.php
+++ b/src/FFMpeg/Filters/FilterInterface.php
@@ -16,7 +16,7 @@ interface FilterInterface
     /**
      * Returns the priority of the filter.
      *
-     * @return integer
+     * @return int
      */
     public function getPriority();
 }
diff --git a/src/FFMpeg/Filters/Frame/CustomFrameFilter.php b/src/FFMpeg/Filters/Frame/CustomFrameFilter.php
index 8ace0e9..8af20bd 100644
--- a/src/FFMpeg/Filters/Frame/CustomFrameFilter.php
+++ b/src/FFMpeg/Filters/Frame/CustomFrameFilter.php
@@ -18,7 +18,7 @@ class CustomFrameFilter implements FrameFilterInterface
 {
     /** @var string */
     private $filter;
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     /**
diff --git a/src/FFMpeg/Filters/Frame/DisplayRatioFixerFilter.php b/src/FFMpeg/Filters/Frame/DisplayRatioFixerFilter.php
index 0cc3cea..1a7b46b 100644
--- a/src/FFMpeg/Filters/Frame/DisplayRatioFixerFilter.php
+++ b/src/FFMpeg/Filters/Frame/DisplayRatioFixerFilter.php
@@ -16,7 +16,7 @@ use FFMpeg\Media\Frame;
 
 class DisplayRatioFixerFilter implements FrameFilterInterface
 {
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     public function __construct($priority = 0)
diff --git a/src/FFMpeg/Filters/Video/ClipFilter.php b/src/FFMpeg/Filters/Video/ClipFilter.php
index 5e015a8..3169095 100644
--- a/src/FFMpeg/Filters/Video/ClipFilter.php
+++ b/src/FFMpeg/Filters/Video/ClipFilter.php
@@ -21,7 +21,7 @@ class ClipFilter implements VideoFilterInterface
     private $start;
     /** @var TimeCode */
     private $duration;
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     public function __construct(TimeCode $start, TimeCode $duration = null, $priority = 0)
diff --git a/src/FFMpeg/Filters/Video/CropFilter.php b/src/FFMpeg/Filters/Video/CropFilter.php
index 06b2b9c..5e19903 100644
--- a/src/FFMpeg/Filters/Video/CropFilter.php
+++ b/src/FFMpeg/Filters/Video/CropFilter.php
@@ -17,7 +17,7 @@ use FFMpeg\Media\Video;
 
 class CropFilter implements VideoFilterInterface
 {
-    /** @var integer */
+    /** @var int */
     protected $priority;
     /** @var Dimension */
     protected $dimension;
diff --git a/src/FFMpeg/Filters/Video/CustomFilter.php b/src/FFMpeg/Filters/Video/CustomFilter.php
index eb75079..c5779cb 100644
--- a/src/FFMpeg/Filters/Video/CustomFilter.php
+++ b/src/FFMpeg/Filters/Video/CustomFilter.php
@@ -17,7 +17,7 @@ class CustomFilter implements VideoFilterInterface
 {
     /** @var string */
     private $filter;
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     /**
diff --git a/src/FFMpeg/Filters/Video/PadFilter.php b/src/FFMpeg/Filters/Video/PadFilter.php
index 2d045c1..24dbf17 100644
--- a/src/FFMpeg/Filters/Video/PadFilter.php
+++ b/src/FFMpeg/Filters/Video/PadFilter.php
@@ -21,7 +21,7 @@ class PadFilter implements VideoFilterInterface, ComplexCompatibleFilter
 {
     /** @var Dimension */
     private $dimension;
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     public function __construct(Dimension $dimension, $priority = 0)
diff --git a/src/FFMpeg/Filters/Video/ResizeFilter.php b/src/FFMpeg/Filters/Video/ResizeFilter.php
index f3d90cf..fbd375e 100644
--- a/src/FFMpeg/Filters/Video/ResizeFilter.php
+++ b/src/FFMpeg/Filters/Video/ResizeFilter.php
@@ -33,7 +33,7 @@ class ResizeFilter implements VideoFilterInterface
     private $mode;
     /** @var bool */
     private $forceStandards;
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     public function __construct(Dimension $dimension, $mode = self::RESIZEMODE_FIT, $forceStandards = true, $priority = 0)
diff --git a/src/FFMpeg/Filters/Video/RotateFilter.php b/src/FFMpeg/Filters/Video/RotateFilter.php
index 1ccfff5..26ed3ea 100644
--- a/src/FFMpeg/Filters/Video/RotateFilter.php
+++ b/src/FFMpeg/Filters/Video/RotateFilter.php
@@ -24,7 +24,7 @@ class RotateFilter implements VideoFilterInterface
 
     /** @var string */
     private $angle;
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     public function __construct($angle, $priority = 0)
diff --git a/src/FFMpeg/Filters/Video/WatermarkFilter.php b/src/FFMpeg/Filters/Video/WatermarkFilter.php
index 98d21c1..19d0422 100644
--- a/src/FFMpeg/Filters/Video/WatermarkFilter.php
+++ b/src/FFMpeg/Filters/Video/WatermarkFilter.php
@@ -23,7 +23,7 @@ class WatermarkFilter implements VideoFilterInterface, ComplexCompatibleFilter
     private $watermarkPath;
     /** @var array */
     private $coordinates;
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     public function __construct($watermarkPath, array $coordinates = array(), $priority = 0)
diff --git a/src/FFMpeg/Filters/Waveform/WaveformDownmixFilter.php b/src/FFMpeg/Filters/Waveform/WaveformDownmixFilter.php
index 367e947..b16e99d 100644
--- a/src/FFMpeg/Filters/Waveform/WaveformDownmixFilter.php
+++ b/src/FFMpeg/Filters/Waveform/WaveformDownmixFilter.php
@@ -17,9 +17,9 @@ use FFMpeg\Media\Waveform;
 class WaveformDownmixFilter implements WaveformFilterInterface
 {
 
-    /** @var boolean */
+    /** @var bool */
     private $downmix;
-    /** @var integer */
+    /** @var int */
     private $priority;
 
     // By default, the downmix value is set to FALSE.
diff --git a/src/FFMpeg/Format/Audio/DefaultAudio.php b/src/FFMpeg/Format/Audio/DefaultAudio.php
index 03e855c..09856db 100644
--- a/src/FFMpeg/Format/Audio/DefaultAudio.php
+++ b/src/FFMpeg/Format/Audio/DefaultAudio.php
@@ -24,10 +24,10 @@ abstract class DefaultAudio extends EventEmitter implements AudioInterface, Prog
     /** @var string */
     protected $audioCodec;
 
-    /** @var integer */
+    /** @var int */
     protected $audioKiloBitrate = 128;
 
-    /** @var integer */
+    /** @var int */
     protected $audioChannels = null;
 
     /**
@@ -79,7 +79,7 @@ abstract class DefaultAudio extends EventEmitter implements AudioInterface, Prog
     /**
      * Sets the kiloBitrate value.
      *
-     * @param  integer                  $kiloBitrate
+     * @param  int                  $kiloBitrate
      * @throws InvalidArgumentException
      */
     public function setAudioKiloBitrate($kiloBitrate)
@@ -104,7 +104,7 @@ abstract class DefaultAudio extends EventEmitter implements AudioInterface, Prog
     /**
      * Sets the channels value.
      *
-     * @param  integer                  $channels
+     * @param  int                  $channels
      * @throws InvalidArgumentException
      */
     public function setAudioChannels($channels)
diff --git a/src/FFMpeg/Format/AudioInterface.php b/src/FFMpeg/Format/AudioInterface.php
index 1af29c0..41068f8 100644
--- a/src/FFMpeg/Format/AudioInterface.php
+++ b/src/FFMpeg/Format/AudioInterface.php
@@ -15,14 +15,14 @@ interface AudioInterface extends FormatInterface
     /**
      * Gets the audio kiloBitrate value.
      *
-     * @return integer
+     * @return int
      */
     public function getAudioKiloBitrate();
 
     /**
      * Gets the audio channels value.
      *
-     * @return integer
+     * @return int
      */
     public function getAudioChannels();
 
diff --git a/src/FFMpeg/Format/FormatInterface.php b/src/FFMpeg/Format/FormatInterface.php
index 979a091..39f3ab6 100644
--- a/src/FFMpeg/Format/FormatInterface.php
+++ b/src/FFMpeg/Format/FormatInterface.php
@@ -22,7 +22,7 @@ interface FormatInterface
     /**
      * Returns an array of extra parameters to add to ffmpeg commandline.
      *
-     * @return array()
+     * @return array
      */
     public function getExtraParams();
 }
diff --git a/src/FFMpeg/Format/ProgressListener/AbstractProgressListener.php b/src/FFMpeg/Format/ProgressListener/AbstractProgressListener.php
index f4058f6..8739540 100644
--- a/src/FFMpeg/Format/ProgressListener/AbstractProgressListener.php
+++ b/src/FFMpeg/Format/ProgressListener/AbstractProgressListener.php
@@ -21,16 +21,16 @@ use FFMpeg\Exception\RuntimeException;
  */
 abstract class AbstractProgressListener extends EventEmitter implements ListenerInterface
 {
-    /** @var integer */
+    /** @var int */
     private $duration;
 
-    /** @var integer */
+    /** @var int */
     private $totalSize;
 
-    /** @var integer */
+    /** @var int */
     private $currentSize;
 
-    /** @var integer */
+    /** @var int */
     private $currentTime;
 
     /** @var double */
@@ -45,40 +45,39 @@ abstract class AbstractProgressListener extends EventEmitter implements Listener
     /** @var bool */
     private $initialized = false;
 
-    /** @var integer */
+    /** @var int */
     private $currentPass;
 
-    /** @var integer */
+    /** @var int */
     private $totalPass;
 
     /**
      * Transcoding rate in kb/s
      *
-     * @var integer
+     * @var int
      */
     private $rate;
 
     /**
      * Percentage of transcoding progress (0 - 100)
      *
-     * @var integer
+     * @var int
      */
     private $percent = 0;
 
     /**
      * Time remaining (seconds)
      *
-     * @var integer
+     * @var int
      */
     private $remaining = null;
 
     /**
      * @param FFProbe $ffprobe
-     * @param string  $pathfile
-     * @param integer $currentPass The cureent pass number
-     * @param integer $totalPass   The total number of passes
-     *
-     * @throws RuntimeException
+     * @param string $pathfile
+     * @param int $currentPass The current pass number
+     * @param int $totalPass The total number of passes
+     * @param int $duration
      */
     public function __construct(FFProbe $ffprobe, $pathfile, $currentPass, $totalPass, $duration = 0)
     {
@@ -106,7 +105,7 @@ abstract class AbstractProgressListener extends EventEmitter implements Listener
     }
 
     /**
-     * @return integer
+     * @return int
      */
     public function getCurrentPass()
     {
@@ -114,7 +113,7 @@ abstract class AbstractProgressListener extends EventEmitter implements Listener
     }
 
     /**
-     * @return integer
+     * @return int
      */
     public function getTotalPass()
     {
diff --git a/src/FFMpeg/Format/Video/DefaultVideo.php b/src/FFMpeg/Format/Video/DefaultVideo.php
index d45eaf8..9d827bb 100644
--- a/src/FFMpeg/Format/Video/DefaultVideo.php
+++ b/src/FFMpeg/Format/Video/DefaultVideo.php
@@ -49,7 +49,7 @@ abstract class DefaultVideo extends DefaultAudio implements VideoInterface
     /**
      * Sets the kiloBitrate value.
      *
-     * @param  integer                  $kiloBitrate
+     * @param  int                  $kiloBitrate
      * @throws InvalidArgumentException
      */
     public function setKiloBitrate($kiloBitrate)
@@ -93,7 +93,7 @@ abstract class DefaultVideo extends DefaultAudio implements VideoInterface
     }
 
     /**
-     * @return integer
+     * @return int
      */
     public function getModulus()
     {
diff --git a/src/FFMpeg/Format/Video/X264.php b/src/FFMpeg/Format/Video/X264.php
index 5496859..c1fd453 100644
--- a/src/FFMpeg/Format/Video/X264.php
+++ b/src/FFMpeg/Format/Video/X264.php
@@ -16,10 +16,10 @@ namespace FFMpeg\Format\Video;
  */
 class X264 extends DefaultVideo
 {
-    /** @var boolean */
+    /** @var bool */
     private $bframesSupport = true;
 
-    /** @var integer */
+    /** @var int */
     private $passes = 2;
 
     public function __construct($audioCodec = 'libfaac', $videoCodec = 'libx264')
diff --git a/src/FFMpeg/Format/VideoInterface.php b/src/FFMpeg/Format/VideoInterface.php
index 288f158..eb810a3 100644
--- a/src/FFMpeg/Format/VideoInterface.php
+++ b/src/FFMpeg/Format/VideoInterface.php
@@ -16,7 +16,7 @@ interface VideoInterface extends AudioInterface
     /**
      * Gets the kiloBitrate value.
      *
-     * @return integer
+     * @return int
      */
     public function getKiloBitrate();
 
@@ -28,7 +28,7 @@ interface VideoInterface extends AudioInterface
      *
      * @see http://www.undeadborn.net/tools/rescalculator.php
      *
-     * @return integer
+     * @return int
      */
     public function getModulus();
 
diff --git a/src/FFMpeg/Media/Audio.php b/src/FFMpeg/Media/Audio.php
index 124460b..0f54046 100644
--- a/src/FFMpeg/Media/Audio.php
+++ b/src/FFMpeg/Media/Audio.php
@@ -130,8 +130,8 @@ class Audio extends AbstractStreamableMedia
     /**
      * Gets the waveform of the video.
      *
-     * @param  integer $width
-     * @param  integer $height
+     * @param  int $width
+     * @param  int $height
      * @param array $colors Array of colors for ffmpeg to use. Color format is #000000 (RGB hex string with #)
      * @return Waveform
      */
diff --git a/src/FFMpeg/Media/Clip.php b/src/FFMpeg/Media/Clip.php
index 095794c..b2d5e76 100644
--- a/src/FFMpeg/Media/Clip.php
+++ b/src/FFMpeg/Media/Clip.php
@@ -35,7 +35,6 @@ class Clip extends Video
     /**
      * Returns the video related to the frame.
      *
-     * @param FormatInterface $format
      * @return Video
      */
     public function getVideo()
diff --git a/src/FFMpeg/Media/Concat.php b/src/FFMpeg/Media/Concat.php
index 29126fd..edcb025 100644
--- a/src/FFMpeg/Media/Concat.php
+++ b/src/FFMpeg/Media/Concat.php
@@ -156,11 +156,10 @@ class Concat extends AbstractMediaType
     /**
      * Saves the concatenated video in the given filename, considering that the sources videos are all encoded with the same codec.
      *
-     * @param string  $outputPathfile
+     * @param FormatInterface $format
+     * @param string $outputPathfile
      *
      * @return Concat
-     *
-     * @throws RuntimeException
      */
     public function saveFromDifferentCodecs(FormatInterface $format, $outputPathfile)
     {
diff --git a/src/FFMpeg/Media/Frame.php b/src/FFMpeg/Media/Frame.php
index 8f6cffb..a7de231 100644
--- a/src/FFMpeg/Media/Frame.php
+++ b/src/FFMpeg/Media/Frame.php
@@ -78,8 +78,9 @@ class Frame extends AbstractMediaType
      *
      * Uses the `unaccurate method by default.`
      *
-     * @param string  $pathfile
+     * @param string $pathfile
      * @param bool $accurate
+     * @param bool $returnBase64
      *
      * @return Frame
      *
diff --git a/src/FFMpeg/Media/Gif.php b/src/FFMpeg/Media/Gif.php
index 67c640b..ee85598 100644
--- a/src/FFMpeg/Media/Gif.php
+++ b/src/FFMpeg/Media/Gif.php
@@ -26,7 +26,7 @@ class Gif extends AbstractMediaType
     private $timecode;
     /** @var Dimension */
     private $dimension;
-    /** @var integer */
+    /** @var int */
     private $duration;
     /** @var Video */
     private $video;
diff --git a/src/FFMpeg/Media/Video.php b/src/FFMpeg/Media/Video.php
index ef69a03..f5e144e 100644
--- a/src/FFMpeg/Media/Video.php
+++ b/src/FFMpeg/Media/Video.php
@@ -31,7 +31,7 @@ class Video extends AbstractVideo
      *
      * @param  TimeCode $at
      * @param  Dimension $dimension
-     * @param  integer $duration
+     * @param  int $duration
      * @return Gif
      */
     public function gif(TimeCode $at, Dimension $dimension, $duration = null)