113 lines
2.4 KiB
C
113 lines
2.4 KiB
C
/* Time execution of pipelines.
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*
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* 20/7/93 JC
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <time.h>
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#include <vips/vips.h>
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#include <vips/internal.h>
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#include <vips/time.h>
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#ifdef WITH_DMALLOC
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#include <dmalloc.h>
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#endif /*WITH_DMALLOC*/
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/* Allocate a new time struct and fill in start values.
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*/
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static int
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new_time( IMAGE *im )
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{
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struct time_info *tim = IM_NEW( im, struct time_info );
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if( !tim )
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return( -1 );
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if( im->time ) {
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im_errormsg( "new_time: sanity failure" );
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return( -1 );
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}
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tim->im = im;
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tim->start = time( NULL );
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tim->run = 0;
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tim->eta = 0;
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tim->tpels = (gint64) im->Xsize * im->Ysize;
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tim->npels = 0;
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tim->percent = 0;
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im->time = tim;
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return( 0 );
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}
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/* A new tile has been computed. Update time_info.
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*/
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static int
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update_time( struct time_info *tim, int w, int h )
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{
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float prop;
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tim->run = time( NULL ) - tim->start;
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tim->npels += w * h;
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prop = (float) tim->npels / (float) tim->tpels;
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tim->percent = 100 * prop;
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if( prop > 0 )
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tim->eta = (1.0 / prop) * tim->run - tim->run;
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return( 0 );
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}
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/* Handle eval callbacks. w and h are the size of the tile we made this time.
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*/
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int
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im__handle_eval( IMAGE *im, int w, int h )
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{
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if( im->evalfns ) {
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if( !im->time )
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if( new_time( im ) )
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return( -1 );
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if( update_time( im->time, w, h ) )
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return( -1 );
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if( im__trigger_callbacks( im->evalfns ) )
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return( -1 );
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}
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return( 0 );
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}
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