File size: 5.24Kb
<?php
/*
* This file is part of PHP-FFmpeg.
*
* (c) Alchemy <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FFMpeg\Media;
use Alchemy\BinaryDriver\Exception\ExecutionFailureException;
use FFMpeg\Coordinate\TimeCode;
use FFMpeg\Filters\Audio\SimpleFilter;
use FFMpeg\Exception\InvalidArgumentException;
use FFMpeg\Exception\RuntimeException;
use FFMpeg\Filters\Video\VideoFilters;
use FFMpeg\Filters\FilterInterface;
use FFMpeg\Format\FormatInterface;
use FFMpeg\Format\ProgressableInterface;
use FFMpeg\Format\AudioInterface;
use FFMpeg\Format\VideoInterface;
use Neutron\TemporaryFilesystem\Manager as FsManager;
class Video extends Audio
{
/**
* {@inheritdoc}
*
* @return VideoFilters
*/
public function filters()
{
return new VideoFilters($this);
}
/**
* {@inheritdoc}
*
* @return Video
*/
public function addFilter(FilterInterface $filter)
{
$this->filters->add($filter);
return $this;
}
/**
* Exports the video in the desired format, applies registered filters.
*
* @param FormatInterface $format
* @param string $outputPathfile
*
* @return Video
*
* @throws RuntimeException
*/
public function save(FormatInterface $format, $outputPathfile)
{
$commands = array('-y', '-i', $this->pathfile);
$filters = clone $this->filters;
$filters->add(new SimpleFilter($format->getExtraParams(), 10));
if ($this->driver->getConfiguration()->has('ffmpeg.threads')) {
$filters->add(new SimpleFilter(array('-threads', $this->driver->getConfiguration()->get('ffmpeg.threads'))));
}
if ($format instanceof VideoInterface) {
if (null !== $format->getVideoCodec()) {
$filters->add(new SimpleFilter(array('-vcodec', $format->getVideoCodec())));
}
}
if ($format instanceof AudioInterface) {
if (null !== $format->getAudioCodec()) {
$filters->add(new SimpleFilter(array('-acodec', $format->getAudioCodec())));
}
}
foreach ($filters as $filter) {
$commands = array_merge($commands, $filter->apply($this, $format));
}
if ($format instanceof VideoInterface) {
$commands[] = '-b:v';
$commands[] = $format->getKiloBitrate() . 'k';
$commands[] = '-refs';
$commands[] = '6';
$commands[] = '-coder';
$commands[] = '1';
$commands[] = '-sc_threshold';
$commands[] = '40';
$commands[] = '-flags';
$commands[] = '+loop';
$commands[] = '-me_range';
$commands[] = '16';
$commands[] = '-subq';
$commands[] = '7';
$commands[] = '-i_qfactor';
$commands[] = '0.71';
$commands[] = '-qcomp';
$commands[] = '0.6';
$commands[] = '-qdiff';
$commands[] = '4';
$commands[] = '-trellis';
$commands[] = '1';
}
if ($format instanceof AudioInterface) {
if (null !== $format->getAudioKiloBitrate()) {
$commands[] = '-b:a';
$commands[] = $format->getAudioKiloBitrate() . 'k';
}
if (null !== $format->getAudioChannels()) {
$commands[] = '-ac';
$commands[] = $format->getAudioChannels();
}
}
$fs = FsManager::create();
$fsId = uniqid('ffmpeg-passes');
$passPrefix = $fs->createTemporaryDirectory(0777, 50, $fsId) . '/' . uniqid('pass-');
$passes = array();
$totalPasses = $format->getPasses();
if (1 > $totalPasses) {
throw new InvalidArgumentException('Pass number should be a positive value.');
}
for ($i = 1; $i <= $totalPasses; $i++) {
$pass = $commands;
if ($totalPasses > 1) {
$pass[] = '-pass';
$pass[] = $i;
$pass[] = '-passlogfile';
$pass[] = $passPrefix;
}
$pass[] = $outputPathfile;
$passes[] = $pass;
}
$failure = null;
foreach ($passes as $pass => $passCommands) {
try {
/** add listeners here */
$listeners = null;
if ($format instanceof ProgressableInterface) {
$listeners = $format->createProgressListener($this, $this->ffprobe, $pass + 1, $totalPasses);
}
$this->driver->command($passCommands, false, $listeners);
} catch (ExecutionFailureException $e) {
$failure = $e;
break;
}
}
$fs->clean($fsId);
if (null !== $failure) {
throw new RuntimeException('Encoding failed', $failure->getCode(), $failure);
}
return $this;
}
/**
* Gets the frame at timecode.
*
* @param TimeCode $at
* @return Frame
*/
public function frame(TimeCode $at)
{
return new Frame($this, $this->driver, $this->ffprobe, $at);
}
}