Add MXF #12

Author: odan

.gitattributes

@@ -39,3 +39,4 @@
 *.ogv binary
 *.wmv binary
 *.flv binary
+*.mxf binary

README.md

@@ -29,6 +29,7 @@ Video type detection library for PHP.
 * **QuickTime**
 * **WMV** (Windows Media Video)
 * **FLV** (Adobe Flash Video)
+* **MXF** (Material Exchange Format)
 
 ## Requirements
 

src/Detector/MxfDetector.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Selective\VideoType\Detector;
+
+use Selective\VideoType\VideoFormat;
+use Selective\VideoType\VideoType;
+use Selective\VideoType\VideoMimeType;
+use SplFileObject;
+
+/**
+ * Detector.
+ */
+final class MxfDetector implements VideoDetectorInterface
+{
+    /**
+     * MXF - Material Exchange Format.
+     *
+     * http://fileformats.archiveteam.org/wiki/MXF#Identifiers
+     *
+     * @param SplFileObject $file The video file
+     *
+     * @return VideoType|null The video type
+     */
+    public function detect(SplFileObject $file): ?VideoType
+    {
+        // Search at the end of the file
+        $offset = $file->getSize() - 1024;
+        $file->fseek($offset);
+
+        $magicBytes = (string)hex2bin('060e2b34020501010d0102');
+        $hasMagicBytes = strpos((string)$file->fread(1024), $magicBytes) !== false;
+
+        return $hasMagicBytes ? new VideoType(
+            VideoFormat::MXF,
+            VideoMimeType::VIDEO_MXF
+        ) : null;
+    }
+}

src/Provider/DefaultVideoProvider.php

@@ -7,6 +7,7 @@
 use Selective\VideoType\Detector\MpegDetector;
 use Selective\VideoType\Detector\Mpeg4Detector;
 use Selective\VideoType\Detector\MkvDetector;
+use Selective\VideoType\Detector\MxfDetector;
 use Selective\VideoType\Detector\OgvDetector;
 use Selective\VideoType\Detector\QuickTimeDetector;
 use Selective\VideoType\Detector\ThreeGp2Detector;
@@ -36,6 +37,7 @@ public function getDetectors(): array
             new QuickTimeDetector(),
             new WmvDetector(),
             new FlvDetector(),
+            new MxfDetector(),
         ];
     }
 }

src/VideoFormat.php

@@ -18,4 +18,5 @@ final class VideoFormat
     public const QUICK_TIME = 'mov';
     public const WMV = 'wmv';
     public const FLV = 'flv';
+    public const MXF = 'mxf';
 }

src/VideoMimeType.php

@@ -18,4 +18,5 @@ final class VideoMimeType
     public const VIDEO_QUICK_TIME = 'video/quicktime';
     public const VIDEO_WMV = 'video/x-ms-wmv';
     public const VIDEO_FLV = 'video/x-flv';
+    public const VIDEO_MXF = 'application/mxf';
 }

tests/VideoTypeDetectorTest.php

@@ -75,6 +75,7 @@ public function providerGetVideoTypeFromFile(): array
             [__DIR__ . '/videos/test.ogv', VideoFormat::OGV, VideoMimeType::VIDEO_OGG],
             [__DIR__ . '/videos/test.wmv', VideoFormat::WMV, VideoMimeType::VIDEO_WMV],
             [__DIR__ . '/videos/test.flv', VideoFormat::FLV, VideoMimeType::VIDEO_FLV],
+            [__DIR__ . '/videos/test.mxf', VideoFormat::MXF, VideoMimeType::VIDEO_MXF],
         ];
     }