Version 0.3

src/FFMpeg/Media/Video.php

@@ -0,0 +1,166 @@
+<?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\Media;
+
+use Alchemy\BinaryDriver\Exception\ExecutionFailureException;
+use FFMpeg\Coordinate\TimeCode;
+use FFMpeg\Exception\RuntimeException;
+use FFMpeg\Filters\Video\VideoFilters;
+use FFMpeg\Filters\Video\VideoFilterInterface;
+use FFMpeg\Format\VideoInterface;
+use FFMpeg\Format\ProgressableInterface;
+use FFMpeg\Media\Frame;
+
+class Video extends AbstractStreamableMedia
+{
+    /**
+     * {@inheritdoc}
+     *
+     * @return VideoFilters
+     */
+    public function filters()
+    {
+        return new VideoFilters($this);
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return Video
+     */
+    public function addFilter(VideoFilterInterface $filter)
+    {
+        $this->filters->add($filter);
+
+        return $this;
+    }
+
+    /**
+     * Export the video in the desired format, applies registered filters
+     *
+     * @param FormatInterface $format
+     * @param string          $outputPathfile
+     *
+     * @return Video
+     *
+     * @throws RuntimeException
+     */
+    public function save(VideoInterface $format, $outputPathfile)
+    {
+        $commands = array_merge(array('-y', '-i', $this->pathfile), $format->getExtraParams());
+
+        foreach ($this->filters as $filter) {
+            $commands = array_merge($commands, $filter->apply($this, $format));
+        }
+
+        if ($this->driver->getConfiguration()->has('ffmpeg.threads')) {
+            $commands[] = '-threads';
+            $commands[] = $this->driver->getConfiguration()->get('ffmpeg.threads');
+        }
+
+        if (null !== $format->getVideoCodec()) {
+            $commands[] = '-vcodec';
+            $commands[] = $format->getVideoCodec();
+        }
+        if (null !== $format->getAudioCodec()) {
+            $commands[] = '-acodec';
+            $commands[] = $format->getAudioCodec();
+        }
+
+        $commands[] = '-b:v';
+        $commands[] = $format->getKiloBitrate() . 'k';
+        $commands[] = '-refs';
+        $commands[] = '6';
+        $commands[] = '-coder';
+        $commands[] = '1';
+        $commands[] = '-sc_threshold';
+        $commands[] = '40';
+        $commands[] = '-flags';
+        $commands[] = '+loop';
+        $commands[] = '-me_range';
+        $commands[] = '16';
+        $commands[] = '-subq';
+        $commands[] = '7';
+        $commands[] = '-i_qfactor';
+        $commands[] = '0.71';
+        $commands[] = '-qcomp';
+        $commands[] = '0.6';
+        $commands[] = '-qdiff';
+        $commands[] = '4';
+        $commands[] = '-trellis';
+        $commands[] = '1';
+        $commands[] = '-b:a';
+        $commands[] = $format->getAudioKiloBitrate() . 'k';
+
+        $passPrefix = uniqid('pass-');
+
+        $pass1 = $commands;
+        $pass2 = $commands;
+
+        $pass1[] = '-pass';
+        $pass1[] = '1';
+        $pass1[] = '-passlogfile';
+        $pass1[] = $passPrefix;
+        $pass1[] = '-an';
+        $pass1[] = $outputPathfile;
+
+        $pass2[] = '-pass';
+        $pass2[] = '2';
+        $pass2[] = '-passlogfile';
+        $pass2[] = $passPrefix;
+        $pass2[] = '-ac';
+        $pass2[] = '2';
+        $pass2[] = '-ar';
+        $pass2[] = '44100';
+        $pass2[] = $outputPathfile;
+
+        $failure = null;
+
+        foreach (array($pass1, $pass2) as $pass => $passCommands) {
+            try {
+                /** add listeners here */
+                $listeners = null;
+
+                if ($format instanceof ProgressableInterface) {
+                    $listeners = $format->createProgressListener($this, $this->ffprobe, $pass + 1, 2);
+                }
+
+                $this->driver->command($passCommands, false, $listeners);
+            } catch (ExecutionFailureException $e) {
+                $failure = $e;
+                break;
+            }
+        }
+
+        $this
+            ->cleanupTemporaryFile(getcwd() . '/' . $passPrefix . '-0.log')
+            ->cleanupTemporaryFile(getcwd() . '/' . $passPrefix . '-0.log')
+            ->cleanupTemporaryFile(getcwd() . '/' . $passPrefix . '-0.log.mbtree');
+
+        if (null !== $failure) {
+            throw new RuntimeException('Encoding failed', $failure->getCode(), $failure);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get the frame at timecode
+     *
+     * @param  Timecode $at
+     * @return Frame
+     */
+    public function frame(Timecode $at)
+    {
+        return new Frame($this->pathfile, $this->driver, $this->ffprobe, $at);
+    }
+}