Version 0.3

src/FFMpeg/Media/Audio.php

@@ -0,0 +1,92 @@
+<?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\Filters\Audio\AudioFilters;
+use FFMpeg\Format\FormatInterface;
+use FFMpeg\Exception\RuntimeException;
+use FFMpeg\Filters\Audio\AudioFilterInterface;
+use FFMpeg\Format\ProgressableInterface;
+
+class Audio extends AbstractStreamableMedia
+{
+    /**
+     * {@inheritdoc}
+     *
+     * @return AudioFilters
+     */
+    public function filters()
+    {
+        return new AudioFilters($this);
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return Audio
+     */
+    public function addFilter(AudioFilterInterface $filter)
+    {
+        $this->filters->add($filter);
+
+        return $this;
+    }
+
+    /**
+     * Export the audio in the desired format, applies registered filters
+     *
+     * @param FormatInterface $format
+     * @param string          $outputPathfile
+     *
+     * @return Audio
+     *
+     * @throws RuntimeException
+     */
+    public function save(FormatInterface $format, $outputPathfile)
+    {
+        $listeners = null;
+
+        if ($format instanceof ProgressableInterface) {
+            $listeners = $format->createProgressListener($this, $this->ffprobe, 1, 1);
+        }
+
+        $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->getAudioCodec()) {
+            $commands[] = '-acodec';
+            $commands[] = $format->getAudioCodec();
+        }
+
+        $commands[] = '-b:a';
+        $commands[] = $format->getAudioKiloBitrate() . 'k';
+        $commands[] = $outputPathfile;
+
+        try {
+            $this->driver->command($commands, false, $listeners);
+        } catch (ExecutionFailureException $e) {
+            $this->cleanupTemporaryFile($outputPathfile);
+            throw new RuntimeException('Encoding failed', $e->getCode(), $e);
+        }
+
+        return $this;
+    }
+}