mng_display_gotime() and large files

Hello.

I  want  to  use  libmng for playing own large files (rezolution up to
1024x768  and  playtime up to 30-50 min). File structure is much IHDR,
IDAT, IEND sections.

I can play such files with this settings:
        mng_set_cacheplayback(mng, MNG_FALSE);
        mng_set_storechunks(mng, MNG_FALSE);

But i want to use mng_display_gotime() function for files of any size.
For  this  function  i  should  store  all info into memory. In result
memory usage amount 100, 200, etc megabytes.

Whether  there  is  a  way  to  limit  a memory allocation, but to use
mng_display_gotime()?


I ready to write wanting source code, if it's need.



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