Fix compatibility with avconv 0.9

tests/FFMpeg/Functional/FunctionalTestCase.php

@@ -6,6 +6,9 @@ use FFMpeg\FFMpeg;
 
 abstract class FunctionalTestCase extends \PHPUnit_Framework_TestCase
 {
+    /**
+     * @return FFMpeg
+     */
     public function getFFMpeg()
     {
         return FFMpeg::create(array('timeout' => 300));

tests/FFMpeg/Functional/VideoTranscodeTest.php

@@ -9,7 +9,7 @@ use FFMpeg\Format\Video\X264;
 use FFMpeg\Media\Video;
 
 class VideoTranscodeTest extends FunctionalTestCase
-{
+{    
     public function testSimpleTranscodeX264()
     {
         $filename = __DIR__ . '/output/output-x264.mp4';
@@ -60,6 +60,12 @@ class VideoTranscodeTest extends FunctionalTestCase
 
     public function testTranscodePortraitVideo()
     {
+        $info = $this->getNameAndVersion();
+
+        if ($info['name'] === 'avconv' && version_compare($info['version'], '0.9', '<')) {
+            $this->markTestSkipped('This version of avconv is buggy and does not support this test.');
+        }
+        
         $filename = __DIR__ . '/output/output-x264.mp4';
         if (is_file($filename)) {
             unlink(__DIR__ . '/output/output-x264.mp4');
@@ -85,4 +91,28 @@ class VideoTranscodeTest extends FunctionalTestCase
         $this->assertFileExists($filename);
         unlink($filename);
     }
+    
+    private function getNameAndVersion()
+    {
+        $binary = $this
+            ->getFFMpeg()
+            ->getFFMpegDriver()
+            ->getProcessBuilderFactory()
+            ->getBinary();
+        
+        $output = $matches = null;
+        exec($binary . ' -version 2>&1', $output);
+
+        if (!isset($output[0])) {
+            return array('name' => null, 'version' => null);
+        }
+        
+        preg_match('/^([a-z]+)\s+version\s+([0-9\.]+)/i', $output[0], $matches);
+
+        if (count($matches) > 0) {
+            return array('name' => $matches[1], 'version' => $matches[2]);
+        }
+        
+        return array('name' => null, 'version' => null);
+    }
 }