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Fix #66 : Allow single pass encoding

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This commit is contained in:
Romain Neutron 2013-10-10 13:27:06 +02:00
commit 5da128acaa
3 changed files with 55 additions and 25 deletions
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44
src/FFMpeg/Media/Video.php
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@ -14,12 +14,14 @@ 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\Media\Frame;
use Neutron\TemporaryFilesystem\Manager as FsManager;
class Video extends Audio
{
@ -104,32 +106,39 @@ class Video extends Audio
$commands[] = $format->getAudioKiloBitrate() . 'k';
}
$passPrefix = uniqid('pass-');
$fs = FsManager::create();
$fsId = uniqid('ffmpeg-passes');
$passPrefix = $fs->createTemporaryDirectory(0777, 50, $fsId) . '/' . uniqid('pass-');
$passes = array();
$totalPasses = $format->getPasses();
$pass1 = $commands;
$pass2 = $commands;
if (1 > $totalPasses) {
throw new InvalidArgumentException('Pass number should be a positive value.');
}
$pass1[] = '-pass';
$pass1[] = '1';
$pass1[] = '-passlogfile';
$pass1[] = $passPrefix;
$pass1[] = $outputPathfile;
for ($i = 1; $i <= $totalPasses; $i++) {
$pass = $commands;
$pass2[] = '-pass';
$pass2[] = '2';
$pass2[] = '-passlogfile';
$pass2[] = $passPrefix;
$pass2[] = $outputPathfile;
if ($totalPasses > 1) {
$pass[] = '-pass';
$pass[] = $i;
$pass[] = '-passlogfile';
$pass[] = $passPrefix;
$pass[] = $outputPathfile;
}
$passes[] = $pass;
}
$failure = null;
foreach (array($pass1, $pass2) as $pass => $passCommands) {
foreach ($passes as $pass => $passCommands) {
try {
/** add listeners here */
$listeners = null;
if ($format instanceof ProgressableInterface) {
$listeners = $format->createProgressListener($this, $this->ffprobe, $pass + 1, 2);
$listeners = $format->createProgressListener($this, $this->ffprobe, $pass + 1, $totalPasses);
}
$this->driver->command($passCommands, false, $listeners);
@ -139,10 +148,7 @@ class Video extends Audio
}
}
$this
->cleanupTemporaryFile(getcwd() . '/' . $passPrefix . '-0.log')
->cleanupTemporaryFile(getcwd() . '/' . $passPrefix . '-0.log')
->cleanupTemporaryFile(getcwd() . '/' . $passPrefix . '-0.log.mbtree');
$fs->clean($fsId);
if (null !== $failure) {
throw new RuntimeException('Encoding failed', $failure->getCode(), $failure);