public function register()
{
$this->opo_config = Configuration::load();
$vs_external_app_config_path = $this->opo_config->get('external_applications');
$this->opo_external_app_config = Configuration::load($vs_external_app_config_path);
$this->ops_path_to_ffmpeg = $this->opo_external_app_config->get('ffmpeg_app');
$this->ops_mediainfo_path = $this->opo_external_app_config->get('mediainfo_app');
$this->opb_mediainfo_available = caMediaInfoInstalled($this->ops_mediainfo_path);
$this->opb_ffmpeg_available = caMediaPluginFFfmpegInstalled($this->ops_path_to_ffmpeg);
$this->info["INSTANCE"] = $this;
return $this->info;
}
/**
* Extract video duration using MediaInfo. This can be used as a fallback to getID3
* @param string $ps_filepath
* @param string|null $ps_mediainfo_path
*
* @return float|null
*/
function caExtractVideoFileDurationWithMediaInfo($ps_filepath, $ps_mediainfo_path = null)
{
if (!$ps_mediainfo_path) {
$ps_mediainfo_path = caGetExternalApplicationPath('mediainfo');
}
if (!caMediaInfoInstalled($ps_mediainfo_path)) {
return null;
}
$va_output = array();
exec($ps_mediainfo_path . ' --Inform="Video;%Duration/String3%" ' . caEscapeShellArg($ps_filepath), $va_output, $vn_return);
if (!is_array($va_output) || sizeof($va_output) != 1) {
return null;
}
$va_tmp = explode(':', array_shift($va_output));
if (sizeof($va_tmp) == 3) {
// should have hours, minutes, seconds
return round(intval($va_tmp[0]) * 3600 + intval($va_tmp[1]) * 60 + floatval($va_tmp[2]));
}
return null;
}
/**
* Returns array of extracted metadata, key'ed by metadata type or empty array if plugin doesn't support metadata extraction
*
* @return Array Extracted metadata
*/
public function getExtractedMetadata()
{
// $this->opa_media_metadata might be extracted by mediainfo at this point or it might not
// so we do it again. all calls are cached anyway so this should be too bad as far as performance
if (caMediaInfoInstalled()) {
return caExtractMetadataWithMediaInfo($this->filepath);
} else {
return $this->opa_media_metadata;
}
}
