178 lines
3.5 KiB
C
178 lines
3.5 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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/*
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#define DEBUG
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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 <vips/vips.h>
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#include <vips/internal.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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int
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im__time_destroy( IMAGE *im )
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{
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if( im->time ) {
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#ifdef DEBUG
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printf( "im__time_destroy: %s\n", im->filename );
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#endif /*DEBUG*/
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g_timer_destroy( im->time->start );
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im_free( im->time );
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im->time = NULL;
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}
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return( 0 );
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}
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/* Attach a new time struct and fill in start values.
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*/
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int
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time_add( IMAGE *im )
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{
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im_time_t *time;
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if( im__time_destroy( im ) ||
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!(time = IM_NEW( NULL, im_time_t )) )
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return( -1 );
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#ifdef DEBUG
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printf( "time_add: %s\n", im->filename );
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#endif /*DEBUG*/
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time->im = im;
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time->start = g_timer_new();
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time->run = 0;
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time->eta = 0;
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time->tpels = (gint64) im->Xsize * im->Ysize;
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time->npels = 0;
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time->percent = 0;
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im->time = time;
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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( im_time_t *time, int w, int h )
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{
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float prop;
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time->run = g_timer_elapsed( time->start, NULL );
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time->npels += w * h;
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prop = (float) time->npels / (float) time->tpels;
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time->percent = 100 * prop;
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if( prop > 0 )
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time->eta = (1.0 / prop) * time->run - time->run;
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return( 0 );
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}
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int
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im__start_eval( IMAGE *im )
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{
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im_image_sanity( im );
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if( im->progress ) {
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#ifdef DEBUG
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printf( "im__start_eval: %s\n", im->filename );
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#endif /*DEBUG*/
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im_image_sanity( im->progress );
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if( time_add( im->progress ) )
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return( -1 );
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if( im__trigger_callbacks( im->progress->evalstartfns ) )
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return( -1 );
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}
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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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* We signal progress on the ->progress IMAGE, see im_add_eval_callback(). We
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* assume there's no geometry change between adding the feedback request and
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* evaling the image.
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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->progress ) {
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/* Need to test ->time, it may have been shut down.
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*/
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if( im->progress->time ) {
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if( update_time( im->progress->time, w, h ) )
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return( -1 );
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}
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if( im__trigger_callbacks( im->progress->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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int
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im__end_eval( IMAGE *im )
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{
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im_image_sanity( im );
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if( im->progress ) {
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#ifdef DEBUG
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printf( "im__end_eval: %s\n", im->filename );
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#endif /*DEBUG*/
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im_image_sanity( im->progress );
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if( im__trigger_callbacks( im->progress->evalendfns ) )
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return( -1 );
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im__time_destroy( im->progress );
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}
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return( 0 );
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}
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