244 lines
6.7 KiB
PHP
244 lines
6.7 KiB
PHP
<?php
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/**
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* VideoDownload class.
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*/
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namespace Alltube;
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use Chain\Chain;
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use Symfony\Component\Process\ProcessBuilder;
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/**
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* Extract info about videos.
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*/
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class VideoDownload
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{
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/**
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* VideoDownload constructor.
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*/
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public function __construct()
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{
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$this->config = Config::getInstance();
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$this->procBuilder = new ProcessBuilder();
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$this->procBuilder->setPrefix(
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array_merge(
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[$this->config->python, $this->config->youtubedl],
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$this->config->params
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)
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);
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}
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/**
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* List all extractors.
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*
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* @return string[] Extractors
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* */
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public function listExtractors()
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{
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$this->procBuilder->setArguments(
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[
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'--list-extractors',
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]
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);
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$process = $this->procBuilder->getProcess();
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$process->run();
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return explode(PHP_EOL, trim($process->getOutput()));
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}
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/**
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* Get all information about a video.
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*
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* @param string $url URL of page
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* @param string $format Format to use for the video
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*
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* @return object Decoded JSON
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* */
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public function getJSON($url, $format = null)
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{
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$this->procBuilder->setArguments(
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[
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'--dump-json',
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$url,
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]
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);
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if (isset($format)) {
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$this->procBuilder->add('-f '.$format);
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}
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$process = $this->procBuilder->getProcess();
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$process->run();
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if (!$process->isSuccessful()) {
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throw new \Exception($process->getErrorOutput());
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} else {
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return json_decode($process->getOutput());
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}
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}
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/**
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* Get URL of video from URL of page.
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*
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* @param string $url URL of page
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* @param string $format Format to use for the video
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*
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* @return string URL of video
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* */
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public function getURL($url, $format = null)
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{
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$this->procBuilder->setArguments(
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[
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'--get-url',
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$url,
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]
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);
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if (isset($format)) {
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$this->procBuilder->add('-f '.$format);
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}
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$process = $this->procBuilder->getProcess();
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$process->run();
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if (!$process->isSuccessful()) {
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throw new \Exception($process->getErrorOutput());
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} else {
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return $process->getOutput();
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}
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}
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/**
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* Get filename of video file from URL of page.
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*
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* @param string $url URL of page
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* @param string $format Format to use for the video
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*
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* @return string Filename of extracted video
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* */
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public function getFilename($url, $format = null)
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{
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$this->procBuilder->setArguments(
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[
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'--get-filename',
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$url,
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]
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);
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if (isset($format)) {
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$this->procBuilder->add('-f '.$format);
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}
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$process = $this->procBuilder->getProcess();
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$process->run();
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if (!$process->isSuccessful()) {
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throw new \Exception($process->getErrorOutput());
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} else {
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return trim($process->getOutput());
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}
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}
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/**
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* Get filename of audio from URL of page.
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*
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* @param string $url URL of page
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* @param string $format Format to use for the video
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*
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* @return string Filename of converted audio file
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* */
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public function getAudioFilename($url, $format = null)
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{
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return html_entity_decode(
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pathinfo(
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$this->getFilename($url, $format),
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PATHINFO_FILENAME
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).'.mp3',
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ENT_COMPAT,
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'ISO-8859-1'
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);
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}
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/**
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* Get audio stream of converted video.
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*
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* @param string $url URL of page
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* @param string $format Format to use for the video
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*
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* @return resource popen stream
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*/
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public function getAudioStream($url, $format)
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{
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if (!shell_exec('which '.$this->config->avconv)) {
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throw(new \Exception('Can\'t find avconv or ffmpeg'));
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}
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$video = $this->getJSON($url, $format);
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//Vimeo needs a correct user-agent
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ini_set(
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'user_agent',
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$video->http_headers->{'User-Agent'}
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);
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$avconvProc = ProcessBuilder::create(
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[
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$this->config->avconv,
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'-v', 'quiet',
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'-i', '-',
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'-f', 'mp3',
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'-vn',
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'pipe:1',
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]
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);
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if (parse_url($video->url, PHP_URL_SCHEME) == 'rtmp') {
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if (!shell_exec('which '.$this->config->rtmpdump)) {
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throw(new \Exception('Can\'t find rtmpdump'));
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}
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$builder = new ProcessBuilder(
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[
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$this->config->rtmpdump,
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'-q',
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'-r',
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$video->url,
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'--pageUrl', $video->webpage_url,
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]
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);
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if (isset($video->player_url)) {
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$builder->add('--swfVfy');
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$builder->add($video->player_url);
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}
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if (isset($video->flash_version)) {
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$builder->add('--flashVer');
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$builder->add($video->flash_version);
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}
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if (isset($video->play_path)) {
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$builder->add('--playpath');
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$builder->add($video->play_path);
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}
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if (isset($video->rtmp_conn)) {
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foreach ($video->rtmp_conn as $conn) {
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$builder->add('--conn');
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$builder->add($conn);
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}
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}
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if (isset($video->app)) {
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$builder->add('--app');
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$builder->add($video->app);
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}
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$chain = new Chain($builder->getProcess());
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$chain->add('|', $avconvProc);
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} else {
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if (!shell_exec('which '.$this->config->curl)) {
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throw(new \Exception('Can\'t find curl'));
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}
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$chain = new Chain(
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ProcessBuilder::create(
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array_merge(
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[
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$this->config->curl,
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'--silent',
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'--location',
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'--user-agent', $video->http_headers->{'User-Agent'},
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$video->url,
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],
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$this->config->curl_params
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)
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)
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);
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$chain->add('|', $avconvProc);
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}
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return popen($chain->getProcess()->getCommandLine(), 'r');
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}
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}
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