hmmm... doesn't appear to be pel or anything like that
seems that my image resources aren't being completely freed or something
and the memory usage accumulates, until it crashes
[EMAIL PROTECTED] wrote:
> hello
>
> i'm using gd to resize my images, and pel to re-attach the exif data after
> gd has finished
> but i've run into a problem with the memory limit
>
> i'm using php 5.2.0 on fedora core 4
> pel is updated via svn from trunk
>
> php memory limit is set at 48MB
>
> i have a php script that iterates through images in a directory, and
> processes each one
>
> without using pel, i am able to resize at least nine (2272x1704) photos to
> three different sizes, so a total of 27 images
>
> but when i add the pel code in, to get the original exif, and then
> re-attach it to the new image(s), i can only do four images at a time,
> before the memory runs out
>
> the offending code is
>
> public function createImage($imageResource, $fullFilePath,
> $maxQuality) {
> $origJpeg = new PelJpeg();
> $origJpeg->loadFile($fullFilePath);
>
> $exif = $origJpeg->getExif();
> if (!is_null($exif)) {
> // add the copyright message
> $tiff = $exif->getTiff();
> $ifd0 = $tiff->getIfd();
>
> $username = Session::get('username');
> if (empty($username)) {
> $username = 'username';
> }
>
> $copyright = new PelEntryCopyright($username,
> 'site');
> $ifd0->addEntry($copyright);
> file_put_contents($fullFilePath,
> $origJpeg->getBytes());
> }
> imagejpeg($imageResource, $fullFilePath, $maxQuality);
>
> if (!is_null($exif)) {
>
> $newJpeg = new PelJpeg();
> $newJpeg->loadFile($fullFilePath);
>
> $newJpeg->setExif($exif);
> file_put_contents($fullFilePath,
> $newJpeg->getBytes());
> $newJpeg = null;
> }
> $origJpeg = null;
> }
> }
>
> if i comment out all the pel code, there are no issues
> so obviously, the pel objects aren't releasing the memory they are using
> or file_put_contents isn't or something
>
> i am using imagedestroy, that is in another section of the code that is
> not visible here
>
> from my calculations, each original image takes up 11614464 bytes in
> memory (so approx 11.5MB) -> 2272x1704x3 (for RGB images)
> each of the newly created images uses subsequently less
> 1500x1500 (max), 640x480 (max), and 150x150 (max) are the other image sizes
>
> can anyone help me out here, i really want to keep the exif data
>
> thanks
> dave
>
>
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