public function handle()
{
$job = PasoJob::commonInit($this->project, 'rendering');
/*
melt writes progresses on stderr, so I have to open a pipe on that channel.
A simple popen() opens only stdout
*/
$command = sprintf('%s %s/config.mlt -consumer avformat:%s/output.%s %s -progress', Conf::read('melt_path'), $this->project->folder(), $this->project->folder(), $this->project->extension, $this->project->render_string);
$descriptorspec = array(0 => array("pipe", "r"), 1 => array("pipe", "w"), 2 => array("pipe", "w"));
$process = proc_open($command, $descriptorspec, $pipes);
if (is_resource($process)) {
while (!feof($pipes[2])) {
$buffer = fread($pipes[2], 500);
preg_match('/percentage: *([0-9]{1,2})/', $buffer, $matches);
if (count($matches) == 2) {
$job->percentage = $matches[1];
$job->save();
}
/*
TODO: intercept errors from melt
*/
}
}
$job->percentage = 100;
$job->save();
$this->project = $this->project->fresh();
if ($this->project->status != 'failed') {
$this->project->status = 'ready';
$this->project->save();
}
}
public static function getKdenliveProfiles()
{
$ret = [];
$file = Conf::read('kdenlive_profiles_file');
if (file_exists($file) == false) {
return $ret;
}
$cfile = file_get_contents($file);
$xml = new \SimpleXMLElement($cfile);
$groups = $xml->xpath('//group');
foreach ($groups as $group) {
$g = (object) array();
$g->name = $group->attributes()['name'];
$g->slug = str_slug($g->name);
$parent_extension = $group->attributes()['extension'];
$g->profiles = [];
$profiles = $group->xpath('profile');
foreach ($profiles as $profile) {
$attrs = $profile->attributes();
$p = (object) array();
$p->name = $attrs['name'];
$p->slug = str_slug($p->name);
$p->args = $attrs['args'];
$p->haspass = strpos($p->args, '%passes') != false;
if ($attrs['bitrates'] != null) {
$p->bitrates = explode(',', $attrs['bitrates']);
} else {
if ($attrs['qualities'] != null) {
$p->bitrates = explode(',', $attrs['qualities']);
} else {
$p->bitrates = array();
}
}
if ($attrs['audiobitrates'] != null) {
$p->audiobitrates = explode(',', $attrs['audiobitrates']);
} else {
if ($attrs['audioqualities'] != null) {
$p->audiobitrates = explode(',', $attrs['audioqualities']);
} else {
$p->audiobitrates = array();
}
}
if ($attrs['extension'] != null) {
$p->extension = $attrs['extension'];
} else {
$p->extension = $parent_extension;
}
$g->profiles[] = $p;
}
$ret[] = $g;
}
return $ret;
}
public function index()
{
$data['projects'] = Project::orderBy('created_at', 'desc')->get();
$data['kdenlive_profiles'] = Conf::getKdenliveProfiles();
$confs = array();
$dbconfs = Conf::get();
foreach ($dbconfs as $c) {
$confs[$c->name] = $c->value;
}
$data['confs'] = $confs;
return view('homepage', $data);
}
private function saveConf($request, $name)
{
$conf = Conf::where('name', '=', $name)->firstOrFail();
$conf->value = $request->input($name);
$conf->save();
}