Clip using input seek (#543)

Making video clip by input seeking

tests/Unit/Media/ClipTest.php

@@ -0,0 +1,67 @@
+<?php
+namespace Tests\FFMpeg\Unit\Media;
+
+use FFMpeg\Media\Clip;
+
+class ClipTest extends AbstractMediaTestCase
+{
+
+    /**
+     * @dataProvider provideBuildOptions
+     */
+    public function testBuildCommand($startValue, $durationValue, $commands)
+    {
+        $configuration = $this->getConfigurationMock();
+
+        $driver = $this->getFFMpegDriverMock();
+        $driver->expects($this->any())
+            ->method('getConfiguration')
+            ->will($this->returnValue($configuration));
+
+        $ffprobe = $this->getFFProbeMock();
+
+        $start = $this->getTimeCodeMock();
+        $start->expects($this->once())
+            ->method('__toString')
+            ->will($this->returnValue($startValue));
+
+        $duration = null;
+        if (null !== $durationValue) {
+            $duration = $this->getTimeCodeMock();
+            $duration->expects($this->once())
+                ->method('__toString')
+                ->will($this->returnValue($durationValue));
+        }
+
+        $outputPathfile = '/target/file';
+
+        $format = $this->getMock('FFMpeg\Format\VideoInterface');
+        $format->expects($this->any())
+            ->method('getPasses')
+            ->will($this->returnValue(1));
+        $format->expects($this->any())
+            ->method('getExtraParams')
+            ->will($this->returnValue(array()));
+
+        $clip = new Clip($this->getVideoMock(__FILE__), $driver, $ffprobe, $start, $duration);
+        $fc = $clip->getFinalCommand($format, $outputPathfile);
+
+        $this->assertCount(1, $fc);
+        $this->assertStringStartsWith(implode(' ', $commands), $fc[0]);
+    }
+
+    public function provideBuildOptions()
+    {
+        return array(
+            array('SS01', null, array(
+                    '-y', '-ss', 'SS01',
+                    '-i', __FILE__)
+            ),
+            array('SS02', 'D02', array(
+                    '-y', '-ss', 'SS02',
+                    '-i', __FILE__,
+                    '-t', 'D02')
+            )
+        );
+    }
+}