89 lines
2.5 KiB
PHP
89 lines
2.5 KiB
PHP
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<?php
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namespace VfxApply\Plugin\Ffmpeg;
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use VfxApply\Plugin;
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use VfxApply\Input;
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use VfxApply\Output;
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use VfxApply\Preset;
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class FfmpegPlugin extends Plugin
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{
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public function getName()
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{
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return "ffmpeg";
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}
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private function appendFilterOption($filter, $key, $value=null)
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{
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if (strpos($filter,"=")===false) {
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$filter.= "=";
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} else {
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$filter.= ":";
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}
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$filter.= $key . ($value?"={$value}":"");
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return $filter;
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}
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public function applyPreset(Preset $preset, Input $input, Output $output)
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{
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// Get filter string from preset
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$filter = $preset->get("filter");
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$type = $preset->get("type")?:"complex";
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$extra = $preset->get("extra");
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switch ($type) {
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case 'audio':
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$filter_type = "-af";
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$filter_extra = "";
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break;
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case 'video':
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$filter_type = "-vf";
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$filter_extra = "";
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break;
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case 'complex':
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default:
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$filter_type = "-filter_complex";
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$filter_extra = "";
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break;
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}
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/*if (($size = $preset->getParam("size"))) {
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$filter = $this->appendFilterOption($filter, "s", $size);
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}*/
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// Create a progress dialog
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$dialog = $this->createDialog(DIALOG_PROGRESS, "Applying filter");
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$dialog->show();
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// Create command line to run ffmpeg
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$cmdline = sprintf(
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"ffmpeg -loglevel error -y -stats -i %s %s %s %s %s 2>&1",
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escapeshellarg($input->getFilename()),
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$filter_type,
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escapeshellarg($filter),
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trim($extra." ".$filter_extra),
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escapeshellarg($output->getFilename())
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);
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// Create a coprocess for ffmpeg
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$frames = $input->getVideoDuration()->frames;
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$ffmpeg = $this->createProcess($cmdline, function ($read) use ($dialog,$frames) {
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$dialog->setText(trim($read));
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if (preg_match('/^frame=[\s]*([0-9]+)\s/', trim($read), $match)) {
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$frame = intval($match[1]);
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$pc = round($frame/$frames*100);
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$dialog->setProgress($pc);
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}
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if ($dialog->isCancelled()) return false;
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// frame= 4140 fps=102 q=-1.0 Lsize= 4559kB time=00:00:48.04 bitrate= 777.3kbits/s speed=1.18x
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});
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$ffmpeg->run();
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unset($dialog);
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}
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}
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return new FfmpegPlugin();
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