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2013-02-01util: Add sobel operatorBenjamin Franzke1-0/+3
2013-02-01Also put frame_average into utilBenjamin Franzke1-0/+3
2013-02-01Put frame_diff and pswap into utilBenjamin Franzke1-0/+13
2013-01-31util: Add pgm_read functionBenjamin Franzke1-0/+3
2013-01-31Put print_time into util.cBenjamin Franzke1-0/+5
2012-11-15pgm_save: Check whether file could be openedBenjamin Franzke1-1/+1
2012-11-15util: Remove pgm output in frame_mix functionBenjamin Franzke1-2/+3
2012-11-15Add frame mix saving for high diffs.Jan Klemkow1-0/+3
2012-11-14Add util.cBenjamin Franzke1-0/+7