#209 pix_image magick leaks memory

[Claude Heiland-Allen]

I have a patch that loads two new images every frame with two pix_image]--[pix_texture]. Only the latest two images are needed for each frame. I'm also using pix_image "thread 0" so that the images are loaded before the current frame is displayed, and pix_texture "rectangle 0, quality 2".

After some time Pd is using all my memory (I have 8GB ram and no swap) and the system becomes unresponsive.

Using valgrind I see there is a severe leak, probably in Magick loader (log attached). Same problem whether I use png or tif.

Versions:

Pd version 0.42-6
compiled 08:43:13 Mar 19 2012

GEM: ver: 0.93.git 867c5a7
GEM: compiled: Mar 26 2013

libmagickcore5:
Installed: 8:6.7.7.10-5
Candidate: 8:6.7.7.10-5
Version table:
*** 8:6.7.7.10-5 0
500 http://ftp.uk.debian.org/debian/ wheezy/main amd64 Packages
100 /var/lib/dpkg/status

[IOhannes m zmölnig]

indeed, there is a memleak in the MagickCore backend (using the C-api).

there is no memleak in the Magick++ backend (using the C++-api).

both backends can be used to provide the gem_imageMAGICK.so plugin (Magick++ is preferred automatically)

i'll have a look into it

[IOhannes m zmölnig]

fixed with [13fa51]