mirror of
https://github.com/alchemy-fr/Phraseanet.git
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78 lines
2.5 KiB
PHP
78 lines
2.5 KiB
PHP
<?php
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/*
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* This file is part of Phraseanet
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*
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* (c) 2005-2016 Alchemy
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Alchemy\Phrasea\Media\Subdef;
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use Symfony\Component\Translation\TranslatorInterface;
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class Audio extends Provider
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{
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const OPTION_AUDIOBITRATE = 'audiobitrate';
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const OPTION_THREADS = 'threads';
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const OPTION_ACODEC = 'acodec';
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const OPTION_AUDIOSAMPLERATE = 'audiosamplerate';
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const OPTION_AUDIOCHANNEL = 'audiochannel';
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public function __construct(TranslatorInterface $translator)
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{
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$this->translator = $translator;
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$AVaudiosamplerate = [
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8000, 11025, 16000, 22050, 32000, 44056, 44100,
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47250, 48000, 50000, 50400, 88200, 96000
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];
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$audioChannel = ['mono', 'stereo'];
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$this->registerOption(new OptionType\Range($this->translator->trans('Audio Birate'), self::OPTION_AUDIOBITRATE, 32, 320, 128, 32));
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$this->registerOption(new OptionType\Enum($this->translator->trans('AudioSamplerate'), self::OPTION_AUDIOSAMPLERATE, $AVaudiosamplerate));
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$this->registerOption(new OptionType\Enum($this->translator->trans('Audio Codec'), self::OPTION_ACODEC, ['libmp3lame', 'flac', 'pcm_s16le'], 'libmp3lame'));
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$this->registerOption(new OptionType\Enum($this->translator->trans('Audio channel'), self::OPTION_AUDIOCHANNEL, $audioChannel));
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}
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public function getType()
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{
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return self::TYPE_AUDIO;
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}
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public function getDescription()
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{
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return $this->translator->trans('Generates an audio file');
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}
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public function getMediaAlchemystSpec()
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{
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if (! $this->spec) {
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$this->spec = new \MediaAlchemyst\Specification\Audio();
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}
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$this->spec->setAudioCodec($this->getOption(self::OPTION_ACODEC)->getValue());
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$this->spec->setAudioSampleRate($this->getOption(self::OPTION_AUDIOSAMPLERATE)->getValue());
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$this->spec->setAudioKiloBitrate($this->getOption(self::OPTION_AUDIOBITRATE)->getValue());
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$this->spec->setAudioChannels($this->getChannelNumber($this->getOption(self::OPTION_AUDIOCHANNEL)->getValue()));
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return $this->spec;
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}
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private function getChannelNumber($audioChannel)
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{
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switch($audioChannel)
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{
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case 'mono':
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return 1;
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case 'stereo':
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return 2;
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default:
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return null;
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}
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}
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}
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