From 1d462b9eb365e07c52d55d50a4c67b9ec1f79784 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Can=20Geli=C5=9F?= <geliscan@gmail.com>
Date: Sun, 16 Nov 2014 20:45:28 +0200
Subject: [PATCH 1/4] add crop filter

---
 src/FFMpeg/Filters/Video/CropFilter.php | 53 +++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 src/FFMpeg/Filters/Video/CropFilter.php

diff --git a/src/FFMpeg/Filters/Video/CropFilter.php b/src/FFMpeg/Filters/Video/CropFilter.php
new file mode 100644
index 0000000..70e3067
--- /dev/null
+++ b/src/FFMpeg/Filters/Video/CropFilter.php
@@ -0,0 +1,53 @@
+<?php
+/*
+ * This file is part of PHP-FFmpeg.
+ *
+ * (c) Alchemy <dev.team@alchemy.fr>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace FFMpeg\Filters\Video;
+
+use FFMpeg\Coordinate\Dimension;
+use FFMpeg\Coordinate\Point;
+use FFMpeg\Format\VideoInterface;
+use FFMpeg\Media\Video;
+
+class CropFilter implements VideoFilterInterface
+{
+    /** @var integer */
+    protected $priority;
+    /** @var Dimension */
+    protected $dimension;
+    /** @var Point */
+    protected $point;
+
+    public function __construct(Point $point, Dimension $dimension, $priority = 0)
+    {
+        $this->priority = $priority;
+        $this->dimension = $dimension;
+        $this->point = $point;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getPriority()
+    {
+        return $this->priority;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function apply(Video $video, VideoInterface $format)
+    {
+        return array(
+            '-filter:v',
+            'crop=' .
+            $this->dimension->getWidth() .':' . $this->dimension->getHeight() . ':' . $this->point->getX() . ':' . $this->point->getY()
+        );
+    }
+}

From 6507d1d0217a26e5aa4a01ca804a4fa53141e5c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Can=20Geli=C5=9F?= <geliscan@gmail.com>
Date: Sun, 16 Nov 2014 20:54:00 +0200
Subject: [PATCH 2/4] add filter to the VideoFilters

---
 src/FFMpeg/Filters/Video/VideoFilters.php | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/FFMpeg/Filters/Video/VideoFilters.php b/src/FFMpeg/Filters/Video/VideoFilters.php
index 55281e4..00a99d9 100644
--- a/src/FFMpeg/Filters/Video/VideoFilters.php
+++ b/src/FFMpeg/Filters/Video/VideoFilters.php
@@ -11,6 +11,7 @@
 
 namespace FFMpeg\Filters\Video;
 
+use FFMpeg\Coordinate\Point;
 use FFMpeg\Media\Video;
 use FFMpeg\Coordinate\TimeCode;
 use FFMpeg\Coordinate\Dimension;
@@ -104,6 +105,21 @@ class VideoFilters extends AudioFilters
         return $this;
     }
 
+    /**
+     * Crops the video
+     *
+     * @param Point $point
+     * @param Dimension $dimension
+     *
+     * @return VideoFilters
+     */
+    public function crop(Point $point, Dimension $dimension)
+    {
+        $this->media->addFilter(new CropFilter($point, $dimension));
+
+        return $this;
+    }
+
     /**
      * @param string $imagePath
      * @param array  $coordinates

From b1778f0764f2066a70dfeeeda54d60c7a21d9153 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Can=20Geli=C5=9F?= <geliscan@gmail.com>
Date: Sun, 16 Nov 2014 21:28:05 +0200
Subject: [PATCH 3/4] update stream parameters

---
 src/FFMpeg/Filters/Video/CropFilter.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/FFMpeg/Filters/Video/CropFilter.php b/src/FFMpeg/Filters/Video/CropFilter.php
index 70e3067..06b2b9c 100644
--- a/src/FFMpeg/Filters/Video/CropFilter.php
+++ b/src/FFMpeg/Filters/Video/CropFilter.php
@@ -44,6 +44,13 @@ class CropFilter implements VideoFilterInterface
      */
     public function apply(Video $video, VideoInterface $format)
     {
+        foreach ($video->getStreams()->videos() as $stream) {
+            if ($stream->has('width') && $stream->has('height')) {
+                $stream->set('width', $this->dimension->getWidth());
+                $stream->set('height', $this->dimension->getHeight());
+            }
+        }
+
         return array(
             '-filter:v',
             'crop=' .

From 6c39d07274c3c81980cd49f9db59e999a3ab17fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Can=20Geli=C5=9F?= <geliscan@gmail.com>
Date: Sun, 16 Nov 2014 21:28:14 +0200
Subject: [PATCH 4/4] add tests

---
 .../Tests/Filters/Video/CropFilterTest.php    | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 tests/FFMpeg/Tests/Filters/Video/CropFilterTest.php

diff --git a/tests/FFMpeg/Tests/Filters/Video/CropFilterTest.php b/tests/FFMpeg/Tests/Filters/Video/CropFilterTest.php
new file mode 100644
index 0000000..140fe74
--- /dev/null
+++ b/tests/FFMpeg/Tests/Filters/Video/CropFilterTest.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace FFMpeg\Tests\Filters\Video;
+
+use FFMpeg\Coordinate\Dimension;
+use FFMpeg\Coordinate\Point;
+use FFMpeg\FFProbe\DataMapping\Stream;
+use FFMpeg\FFProbe\DataMapping\StreamCollection;
+use FFMpeg\Filters\Video\CropFilter;
+use FFMpeg\Tests\TestCase;
+
+class CropFilterTest extends TestCase
+{
+
+    public function testCommandParamsAreCorrectAndStreamIsUpdated()
+    {
+        $stream = new Stream(array('width' => 320, 'height' => 240, 'codec_type' => 'video'));
+        $streams = new StreamCollection(array($stream));
+
+        $video = $this->getVideoMock();
+        $video->expects($this->once())
+            ->method('getStreams')
+            ->will($this->returnValue($streams));
+
+        $format = $this->getMock('FFMpeg\Format\VideoInterface');
+
+        $dimension = new Dimension(200, 150);
+        $point = new Point(25, 35);
+        $filter = new CropFilter($point, $dimension);
+        $expected = array(
+            '-filter:v',
+            'crop=' . $dimension->getWidth() . ":" . $dimension->getHeight() . ":" . $point->getX() . ":" . $point->getY()
+        );
+        $this->assertEquals($expected, $filter->apply($video, $format));
+
+        $this->assertEquals(200, $stream->get('width'));
+        $this->assertEquals(150, $stream->get('height'));
+    }
+
+}