120 lines
2.7 KiB
PHP
120 lines
2.7 KiB
PHP
<?php
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/*
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* This file is part of PHP-FFmpeg.
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*
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* (c) Alchemy <info@alchemy.fr>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace FFMpeg;
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use FFMpeg\Exception\InvalidArgumentException;
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use FFMpeg\Exception\RuntimeException;
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use Symfony\Component\Process\Process;
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/**
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* FFProbe driver
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*
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* @author Romain Neutron imprec@gmail.com
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*/
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class FFProbe extends Binary
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{
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/**
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* Probe the format of a given file
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*
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* @param string $pathfile
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* @return string
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* @throws InvalidArgumentException
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* @throws RuntimeException
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*/
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public function probeFormat($pathfile)
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{
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if ( ! is_file($pathfile)) {
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throw new InvalidArgumentException($pathfile);
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}
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$cmd = $this->binary . ' ' . $pathfile . ' -show_format';
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return $this->executeProbe($cmd);
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}
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/**
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* Probe the streams contained in a given file
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*
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* @param string $pathfile
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* @return string
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* @throws InvalidArgumentException
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* @throws RuntimeException
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*/
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public function probeStreams($pathfile)
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{
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if ( ! is_file($pathfile)) {
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throw new InvalidArgumentException($pathfile);
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}
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$cmd = $this->binary . ' ' . $pathfile . ' -show_streams';
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$output = explode("\n", $this->executeProbe($cmd));
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$ret = array();
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$n = 0;
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foreach ($output as $line) {
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if (in_array($line, array('[STREAM]', '[/STREAM]'))) {
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$n ++;
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$ret[$n] = array();
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continue;
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}
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$ret[$n][] = $line;
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}
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return $ret;
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}
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/**
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*
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* @param string $command
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* @return string
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* @throws RuntimeException
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*/
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protected function executeProbe($command)
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{
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$this->logger->addInfo(sprintf('FFprobe executes command %s', $command));
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try {
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$process = new Process($command);
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$process->run();
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} catch (\RuntimeException $e) {
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$this->logger->addInfo('FFprobe command failed');
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throw new RuntimeException(sprintf('Failed to run the given command %s', $command));
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}
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if ( ! $process->isSuccessful()) {
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$this->logger->addInfo('FFprobe command failed');
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throw new RuntimeException(sprintf('Failed to probe %s', $command));
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}
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$this->logger->addInfo('FFprobe command successful');
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return $process->getOutput();
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}
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/**
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* {@inheritdoc}
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*
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* @return string
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*/
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protected static function getBinaryName()
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{
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return array('avprobe', 'ffprobe');
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}
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}
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