Version 0.3

src/FFMpeg/Coordinate/TimeCode.php

@@ -0,0 +1,66 @@
+<?php
+
+/*
+ * This file is part of PHP-FFmpeg.
+ *
+ * (c) Alchemy <info@alchemy.fr>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace FFMpeg\Coordinate;
+
+use FFMpeg\Exception\InvalidArgumentException;
+
+class TimeCode
+{
+    //see http://www.dropframetimecode.org/
+    private $hours;
+    private $minutes;
+    private $seconds;
+    private $frames;
+
+    public function __construct($hours, $minutes, $seconds, $frames)
+    {
+        $this->hours = $hours;
+        $this->minutes = $minutes;
+        $this->seconds = $seconds;
+        $this->frames = $frames;
+    }
+
+    public function __toString()
+    {
+        return sprintf('%02d:%02d:%02d.%02d', $this->hours, $this->minutes, $this->seconds, $this->frames);
+    }
+
+    /**
+     * Creates timecode from string
+     *
+     * @param string $timecode
+     *
+     * @return TimeCode
+     *
+     * @throws InvalidArgumentException In case an invalid timecode is supplied
+     */
+    public static function fromString($timecode)
+    {
+        $days = 0;
+
+        if (preg_match('/^[0-9]+:[0-9]+:[0-9]+:[0-9]+\.[0-9]+$/', $timecode)) {
+            list($days, $hours, $minutes, $seconds, $frames) = sscanf($timecode, '%d:%d:%d:%d.%d');
+        } elseif (preg_match('/^[0-9]+:[0-9]+:[0-9]+:[0-9]+:[0-9]+$/', $timecode)) {
+            list($days, $hours, $minutes, $seconds, $frames) = sscanf($timecode, '%d:%d:%d:%d:%d');
+        } elseif (preg_match('/^[0-9]+:[0-9]+:[0-9]+\.[0-9]+$/', $timecode)) {
+            list($hours, $minutes, $seconds, $frames) = sscanf($timecode, '%d:%d:%d.%s');
+        } elseif (preg_match('/^[0-9]+:[0-9]+:[0-9]+:[0-9]+$/', $timecode)) {
+            list($hours, $minutes, $seconds, $frames) = sscanf($timecode, '%d:%d:%d:%s');
+        } else {
+            throw new InvalidArgumentException(sprintf('Unable to parse timecode %s', $timecode));
+        }
+
+        $hours += $days * 24;
+
+        return new static($hours, $minutes, $seconds, $frames);
+    }
+}