public function generate_preview(&$upload_data, $filename, $ext)
{
$upload_data['duration'] = file_exists($filename) ? ffmpeg::get_mpeg_length($filename) : null;
$upload_data['is_audio'] = 1;
$icon = $this->generate_icon($ext);
ffmpeg::audio_mp3($filename);
$upload_data['preview'] = $this->save_preview($upload_data, $icon);
}
public function generate_preview(&$upload_data, $filename, $ext)
{
$upload_data['duration'] = file_exists($filename) ? ffmpeg::get_mpeg_length($filename) : null;
$upload_data['is_video'] = 1;
$dimensions = file_exists($filename) ? ffmpeg::get_video_dimensions($filename) : array('height' => null, 'width' => null);
$upload_data['image_width'] = $dimensions['width'];
$upload_data['image_height'] = $dimensions['height'];
$upload_data['image_size_str'] = 'width="' . $dimensions['width'] . '" height="' . $dimensions['height'] . '"';
//create thumbnail
$s = ffmpeg::duration_to_seconds($upload_data['duration']);
$s = $s / 2;
$d = ffmpeg::seconds_to_duration($s) . ".1";
//create thumbnail
ffmpeg::extract_frame($filename, $d);
$fn = substr($filename, 0, strrpos($filename, '.')) . '.jpg';
$upload_data['preview'] = $this->save_preview($upload_data, $fn);
}