From b3bfb34475465a186aafa2968607e85086e87fb8 Mon Sep 17 00:00:00 2001
From: Ilja Lukin <ilja@stud.fh-dortmund.de>
Date: Tue, 20 Nov 2018 23:32:47 +0100
Subject: [PATCH 1/4] added custom frame filter

---
 .../Filters/Frame/CustomFrameFilter.php       | 54 +++++++++++++++++++
 src/FFMpeg/Filters/Frame/FrameFilters.php     | 14 +++++
 2 files changed, 68 insertions(+)
 create mode 100644 src/FFMpeg/Filters/Frame/CustomFrameFilter.php

diff --git a/src/FFMpeg/Filters/Frame/CustomFrameFilter.php b/src/FFMpeg/Filters/Frame/CustomFrameFilter.php
new file mode 100644
index 0000000..8ace0e9
--- /dev/null
+++ b/src/FFMpeg/Filters/Frame/CustomFrameFilter.php
@@ -0,0 +1,54 @@
+<?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\Frame;
+
+use FFMpeg\Exception\RuntimeException;
+use FFMpeg\Media\Frame;
+
+class CustomFrameFilter implements FrameFilterInterface
+{
+    /** @var string */
+    private $filter;
+    /** @var integer */
+    private $priority;
+
+    /**
+     * A custom filter, useful if you want to build complex filters
+     *
+     * @param string $filter
+     * @param int    $priority
+     */
+    public function __construct($filter, $priority = 0)
+    {
+        $this->filter = $filter;
+        $this->priority = $priority;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getPriority()
+    {
+        return $this->priority;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function apply(Frame $frame)
+    {
+        $commands = array('-vf', $this->filter);
+
+        return $commands;
+    }
+}
+
diff --git a/src/FFMpeg/Filters/Frame/FrameFilters.php b/src/FFMpeg/Filters/Frame/FrameFilters.php
index e4b9614..ad7e95a 100644
--- a/src/FFMpeg/Filters/Frame/FrameFilters.php
+++ b/src/FFMpeg/Filters/Frame/FrameFilters.php
@@ -36,4 +36,18 @@ class FrameFilters
 
         return $this;
     }
+
+    /**
+     * Applies a custom filter: -vf foo bar
+     *
+     * @param string    $parameters
+     *
+     * @return FrameFilters
+     */
+    public function custom($parameters)
+    {
+        $this->frame->addFilter(new CustomFrameFilter($parameters));
+
+        return $this;
+    }
 }

From 7b98238fa2d92b05321b51774f23d34df5519f3d Mon Sep 17 00:00:00 2001
From: Ilja Lukin <ilja@stud.fh-dortmund.de>
Date: Fri, 23 Nov 2018 20:14:26 +0100
Subject: [PATCH 2/4] added unit test for custom frame filter

---
 .../Filters/Frame/CustomFrameFilterTest.php     | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 tests/Unit/Filters/Frame/CustomFrameFilterTest.php

diff --git a/tests/Unit/Filters/Frame/CustomFrameFilterTest.php b/tests/Unit/Filters/Frame/CustomFrameFilterTest.php
new file mode 100644
index 0000000..5308b87
--- /dev/null
+++ b/tests/Unit/Filters/Frame/CustomFrameFilterTest.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Tests\FFMpeg\Unit\Filters\Frame;
+
+use FFMpeg\Filters\Frame\CustomFrameFilter;
+use Tests\FFMpeg\Unit\TestCase;
+
+class CustomFrameFilterTest extends TestCase
+{
+    public function testApplyCustomFrameFilter()
+    {
+	$frame = $this->getFrameMock();
+
+	$filter = new CustomFrameFilter('whatever i put would end up as a filter');
+        $this->assertEquals(array('-vf', 'whatever i put would end up as a filter'), $filter->apply($frame));
+    }
+}

From fa2f89a0cff64267c67c1e2b6e6f798f7ce45bae Mon Sep 17 00:00:00 2001
From: Ilja Lukin <41321551+iljalukin@users.noreply.github.com>
Date: Fri, 23 Nov 2018 21:27:28 +0100
Subject: [PATCH 3/4] fixed formatting

---
 tests/Unit/Filters/Frame/CustomFrameFilterTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/Unit/Filters/Frame/CustomFrameFilterTest.php b/tests/Unit/Filters/Frame/CustomFrameFilterTest.php
index 5308b87..69a6665 100644
--- a/tests/Unit/Filters/Frame/CustomFrameFilterTest.php
+++ b/tests/Unit/Filters/Frame/CustomFrameFilterTest.php
@@ -12,6 +12,6 @@ class CustomFrameFilterTest extends TestCase
 	$frame = $this->getFrameMock();
 
 	$filter = new CustomFrameFilter('whatever i put would end up as a filter');
-        $this->assertEquals(array('-vf', 'whatever i put would end up as a filter'), $filter->apply($frame));
+	$this->assertEquals(array('-vf', 'whatever i put would end up as a filter'), $filter->apply($frame));
     }
 }

From bf19f705a81d16a01543921346996a9e84ed895d Mon Sep 17 00:00:00 2001
From: Jens Hausdorf <hello@jens-hausdorf.de>
Date: Fri, 23 Nov 2018 21:36:39 +0100
Subject: [PATCH 4/4] Fix formatting

---
 tests/Unit/Filters/Frame/CustomFrameFilterTest.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/Unit/Filters/Frame/CustomFrameFilterTest.php b/tests/Unit/Filters/Frame/CustomFrameFilterTest.php
index 69a6665..98869af 100644
--- a/tests/Unit/Filters/Frame/CustomFrameFilterTest.php
+++ b/tests/Unit/Filters/Frame/CustomFrameFilterTest.php
@@ -9,9 +9,9 @@ class CustomFrameFilterTest extends TestCase
 {
     public function testApplyCustomFrameFilter()
     {
-	$frame = $this->getFrameMock();
+        $frame = $this->getFrameMock();
 
-	$filter = new CustomFrameFilter('whatever i put would end up as a filter');
-	$this->assertEquals(array('-vf', 'whatever i put would end up as a filter'), $filter->apply($frame));
+        $filter = new CustomFrameFilter('whatever i put would end up as a filter');
+        $this->assertEquals(array('-vf', 'whatever i put would end up as a filter'), $filter->apply($frame));
     }
 }