Rename Interfaces

src/FFMpeg/Format/Video/DefaultVideo.php

@@ -0,0 +1,211 @@
+<?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\Format\Video;
+
+use FFMpeg\Format\Audio\DefaultAudio;
+use FFMpeg\Exception\InvalidArgumentException;
+
+/**
+ * The abstract default Video format
+ *
+ * @author Romain Neutron imprec@gmail.com
+ */
+abstract class DefaultVideo extends DefaultAudio implements InteractiveVideo, ResamplableVideo, ResizableVideo
+{
+    const RESIZEMODE_FIT = 'fit';
+    const RESIZEMODE_INSET = 'inset';
+
+    protected $width;
+    protected $height;
+    protected $frameRate = 25;
+    protected $resizeMode = self::RESIZEMODE_FIT;
+    protected $videoCodec;
+    protected $GOPsize = 25;
+    protected $kiloBitrate = 1000;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getWidth()
+    {
+        return $this->width;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getHeight()
+    {
+        return $this->height;
+    }
+
+    /**
+     * Set the dimensions
+     *
+     * @param  integer                   $width  The heigth
+     * @param  integer                   $height The width
+     * @throws \InvalidArgumentException
+     */
+    public function setDimensions($width, $height)
+    {
+        if ($width < 1) {
+            throw new InvalidArgumentException('Wrong width value');
+        }
+        if ($height < 1) {
+            throw new InvalidArgumentException('Wrong height value');
+        }
+
+        $this->width = $width;
+        $this->height = $height;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc)
+     */
+    public function getComputedDimensions($originalWidth, $originalHeight)
+    {
+        switch ($this->getResizeMode()) {
+            case self::RESIZEMODE_INSET:
+                $originalRatio = $originalWidth / $originalHeight;
+                $targetRatio = $this->width / $this->height;
+
+                if ($targetRatio > $originalRatio) {
+                    $height = $this->height;
+                    $width = round($originalRatio * $this->height);
+                } else {
+                    $width = $this->width;
+                    $height = round($this->width / $originalRatio);
+                }
+                break;
+            case self::RESIZEMODE_FIT:
+            default:
+                $width = $this->width;
+                $height = $this->height;
+                break;
+        }
+
+        return array($width, $height);
+    }
+
+    /**
+     * Set the resize mode
+     *
+     * @param string $mode The mode, one of the self::RESIZEMODE_* constants
+     *
+     * @throws InvalidArgumentException
+     */
+    public function setResizeMode($mode)
+    {
+        if ( ! in_array($mode, array(self::RESIZEMODE_FIT, self::RESIZEMODE_INSET))) {
+            throw new InvalidArgumentException(
+                'Resize mode `%s` is not valid , avalaible values are %s',
+                $mode,
+                implode(', ', array(self::RESIZEMODE_FIT, self::RESIZEMODE_INSET))
+            );
+        }
+
+        $this->resizeMode = $mode;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getResizeMode()
+    {
+        return $this->resizeMode;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getFrameRate()
+    {
+        return $this->frameRate;
+    }
+
+    /**
+     * Set the framerate
+     *
+     * @param integer $frameRate
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function setFrameRate($frameRate)
+    {
+        if ($frameRate < 1) {
+            throw new InvalidArgumentException('Wrong framerate value');
+        }
+
+        $this->frameRate = (int) $frameRate;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getVideoCodec()
+    {
+        return $this->videoCodec;
+    }
+
+    /**
+     * Set the video codec, Should be in the available ones, otherwise an
+     * exception is thrown
+     *
+     * @param  string                    $videoCodec
+     * @throws \InvalidArgumentException
+     */
+    public function setVideoCodec($videoCodec)
+    {
+        if ( ! in_array($videoCodec, $this->getAvailableVideoCodecs())) {
+            throw new InvalidArgumentException(sprintf(
+                    'Wrong videocodec value for %s, available formats are %s'
+                    , $videoCodec, implode(', ', $this->getAvailableVideoCodecs())
+            ));
+        }
+
+        $this->videoCodec = $videoCodec;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getGOPsize()
+    {
+        return $this->GOPsize;
+    }
+
+    /**
+     * Set the GOP size
+     *
+     * @param integer $GOPsize
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function setGOPsize($GOPsize)
+    {
+        if ($GOPsize < 1) {
+            throw new InvalidArgumentException('Wrong GOP size value');
+        }
+
+        $this->GOPsize = (int) $GOPsize;
+
+        return $this;
+    }
+}