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More precise progress indication

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This fix solves divison by 0 and incorrect percentage report when extractImage is used
This commit is contained in:
Gábor Tóth 2012-12-11 16:15:14 +01:00
commit 98ea16f21b
1 changed files with 9 additions and 4 deletions
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13
src/FFMpeg/Helper/ProgressHelper.php
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@ -152,15 +152,20 @@ abstract class ProgressHelper implements HelperInterface
$currentDuration = $this->convertDuration($matches[2]);
$currentTime = $this->microtimeFloat();
$currentSize = trim(str_replace('kb', '', strtolower(($matches[1]))));
$percent = $currentDuration/ $this->duration;
$percent = max(0, min(1, $currentDuration / $this->duration));
if ($this->lastOutput !== null) {
$delta = $currentTime - $this->lastOutput;
$deltaSize = $currentSize - $this->currentSize;
$rate = $deltaSize * $delta;
$totalDuration = $this->totalSize / $rate;
$this->remaining = floor($totalDuration - ($totalDuration * $percent));
$this->rate = floor($rate);
if ($rate > 0) {
$totalDuration = $this->totalSize / $rate;
$this->remaining = floor($totalDuration - ($totalDuration * $percent));
$this->rate = floor($rate);
} else {
$this->remaining = 0;
$this->rate = 0;
}
}
$this->percent = floor($percent * 100);