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Add resize mode, move getMultiple method to FFMpeg

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This commit is contained in:
grosroro 2012-05-28 19:46:49 +02:00
commit fc7529822f
6 changed files with 185 additions and 62 deletions
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102
src/FFMpeg/FFMpeg.php
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@ -27,6 +27,18 @@ class FFMpeg extends Binary
{
protected $pathfile;
/**
*
* @var FFProbe
*/
protected $prober;
public function __destruct()
{
$this->prober = null;
parent::__destruct();
}
/**
* Opens a file in order to be processed
*
@ -49,6 +61,18 @@ class FFMpeg extends Binary
return $this;
}
/**
* Set a prober
*
* @return \FFMpeg\FFMpeg
*/
public function setProber(FFProbe $prober)
{
$this->prober = $prober;
return $this;
}
/**
* Close a file
*
@ -89,7 +113,7 @@ class FFMpeg extends Binary
try {
$process->run();
} catch (\RuntimeException $e) {
}
if ( ! $process->isSuccessful()) {
@ -164,7 +188,7 @@ class FFMpeg extends Binary
try {
$process->run();
} catch (\RuntimeException $e) {
}
if ( ! $process->isSuccessful()) {
@ -196,7 +220,43 @@ class FFMpeg extends Binary
$cmd_part2 = '';
if ($format->getWidth() && $format->getHeight()) {
$cmd_part2 .= ' -s ' . $format->getWidth() . 'x' . $format->getHeight();
switch ($format->getResizeMode()) {
case Video::RESIZEMODE_FIT:
default:
$width = $this->getMultiple($format->getWidth(), 16);
$height = $this->getMultiple($format->getHeight(), 16);
break;
case Video::RESIZEMODE_INSET:
if ( ! $this->prober) {
throw new LogicException('You must set a valid prober if you use RESIZEMODE_INSET');
}
$result = $this->prober->probeStreams($this->pathfile);
$originalWidth = $format->getWidth();
$originalHeight = $format->getHeight();
foreach ($result as $stream) {
foreach ($stream as $info) {
if (strpos($info, 'width=') === 0) {
$originalWidth = substr($info, 6);
continue;
}
if (strpos($info, 'height=') === 0) {
$originalHeight = substr($info, 7);
continue;
}
}
}
$width = $this->getMultiple($originalWidth, 16);
$height = $this->getMultiple($originalHeight, 16);
break;
}
$cmd_part2 .= ' -s ' . $width . 'x' . $height;
}
$cmd_part2 .= ' -r ' . $format->getFrameRate()
@ -260,6 +320,42 @@ class FFMpeg extends Binary
}
}
/**
* Returns the nearest multiple for a value
*
* @param integer $value
* @param integer $multiple
* @return integer
*/
protected function getMultiple($value, $multiple)
{
$modulo = $value % $multiple;
$ret = (int) $multiple;
$halfDistance = $multiple / 2;
if ($modulo <= $halfDistance)
$bound = 'bottom';
else
$bound = 'top';
switch ($bound) {
default:
case 'top':
$ret = $value + $multiple - $modulo;
break;
case 'bottom':
$ret = $value - $modulo;
break;
}
if ($ret < $multiple) {
$ret = (int) $multiple;
}
return (int) $ret;
}
/**
* {@inheritdoc}
*