/**
* Converts the video of one format to the other format. Tested for outfile --> "*.mp4"
* @param string $extension Extension of the final converted video
* @param string $inFile Input File (Full path)
* @param string $outFile Output File (full path)
*/
public static function toVideo($extension, $inFile, $outFile)
{
if (in_array($extension, self::$_supportedFormats['video'])) {
if (Video::getExtension($inFile) === $extension) {
copy($inFile, $outFile);
return true;
}
$cmd = 'ffmpeg -i ' . $inFile . ' -acodec libmp3lame -ar 44100 ' . $outFile;
exec($cmd, $output, $return);
if ($return !== 0) {
throw new Core("Unable to convert the file!!");
}
} else {
throw new Argument('Unsupported $extension argument');
}
}
/**
* Converts the video to given format
*/
public function convert($fmt = "mp3", $opts = [])
{
Regex::validate(array('extension' => $fmt));
$filename = $this->_videoId . ".{$fmt}";
$this->_converted = self::$_location . $filename;
if (!file_exists($this->_converted)) {
$type = isset($opts['type']) ? $opts['type'] : 'audio';
switch ($type) {
case 'audio':
if ($this->bestMp3 !== -1) {
$code = $this->bestMp3;
$ext = "mp4";
} else {
$code = 251;
$ext = "webm";
}
$this->_download($code, $ext);
Convert::toAudio($fmt, $this->_file, $this->_converted);
break;
case 'video':
$quality = isset($opts['quality']) ? $opts['quality'] : '360p';
$qInfo = Video::getQualities();
if (!array_key_exists($quality, $qInfo)) {
var_dump($qInfo);
var_dump($quality);
throw new Argument('Invalid Video quality supplied');
}
$arr = $qInfo[$quality];
$this->_download($arr['code'], $arr['ext']);
Convert::toVideo($fmt, $this->_file, $this->_converted);
break;
}
unlink($this->_file);
// remove the video used for converting
}
if (isset($opts['fullPath'])) {
return $this->_converted;
}
return $filename;
}
