function floatsort($a, $b)
{
if (floatgtr($a[0], $b[0])) {
return 1;
}
if (floatcmp($a[0], $b[0])) {
return 0;
}
return -1;
}
function __sortByStartTime($a, $b)
{
if (floatgtr($a['start'], $b['start'])) {
return 1;
}
if (floatcmp($a['start'], $b['start'])) {
return 0;
}
return -1;
}
function scale_switches($orig_dims, $dims, $fill)
{
$target_w = floatval($dims[0]);
$target_h = floatval($dims[1]);
$vf = '';
$scale = 'scale=' . $target_w . ':' . $target_h;
if ($fill && $fill != 'stretch') {
$orig_even_w = floatval($orig_dims[0]);
$orig_dims1 = floatval($orig_dims[1]);
$extra0 = $orig_even_w % 2;
$extra1 = $orig_dims1 % 2;
$orig_even_w -= $extra0;
$orig_dims1 -= $extra1;
$ratio_w = $target_w / $orig_even_w;
$ratio_h = $target_h / $orig_dims1;
if (!floatcmp($ratio_w, $ratio_h)) {
$multiplier = $fill == 'scale' ? floatmin($ratio_w, $ratio_h) : floatmax($ratio_w, $ratio_h);
$scaled_w = round($target_w / $multiplier);
$scaled_h = round($target_h / $multiplier);
if (!floatcmp($orig_even_w, $scaled_w)) {
if (floatgtr($orig_even_w, $scaled_w)) {
//$a['cropleft'] = $a['cropright'] = floor((($orig_even_w - $scaled_w) / 2));
$vf .= 'crop=' . floor(($orig_even_w - $scaled_w) / 2) . ':0:' . $scaled_w . ':' . $scaled_h;
} else {
/*$pad_x = $pad_width = floor(($scaled_w -$orig_even_w) / 2);
$pad_x -= $extra0;
$dims[0] -= 2 * $pad_width;
$dims[0] += $extra0;
$dims[1] += $extra1;
*/
$vf .= 'pad=' . $scaled_w . ':' . $scaled_h . ':' . (floor(($scaled_w - $orig_even_w) / 2) - $extra0) . ':0';
}
}
if (!floatcmp($orig_dims1, $scaled_h)) {
if (floatgtr($orig_dims1, $scaled_h)) {
$vf .= 'crop=0:' . floor(($orig_dims1 - $scaled_h) / 2) . ':' . $scaled_w . ':' . $scaled_h;
} else {
/*
$pad_y = $pad_height = floor(($scaled_h - $orig_dims1) / 2);
$pad_y -= $extra1;
$dims[1] -= 2 * $pad_height;
$dims[1] += $extra1;
$dims[0] += $extra0;
*/
$vf .= 'pad=' . $scaled_w . ':' . $scaled_h . ':0:' . (floor(($scaled_h - $orig_dims1) / 2) - $extra1);
}
}
}
//$a['s'] = $dims[0] . 'x' . $dims[1];
}
if ($vf) {
$vf .= ',';
}
$vf .= $scale;
$a = array();
$a['vf'] = $vf;
return $a;
}