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slightly faster image load 

SVN revision: 14696
This commit is contained in:
Carsten Haitzler 2005-05-10 13:35:33 +00:00
parent 70e894091f
commit e600739282
3 changed files with 123 additions and 1 deletions
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8
legacy/eet/src/bin/Makefile.am
View File

@ -2,10 +2,16 @@ MAINTAINERCLEANFILES = Makefile.in
INCLUDES = -I$(top_srcdir)/src/lib
bin_PROGRAMS = eet
bin_PROGRAMS = eet eet_bench
eet_SOURCES = \
eet_main.c
eet_LDADD = $(top_builddir)/src/lib/libeet.la
eet_DEPENDENCIES = $(top_builddir)/src/lib/libeet.la
eet_bench_SOURCES = \
eet_bench_main.c
eet_bench_LDADD = $(top_builddir)/src/lib/libeet.la
eet_bench_DEPENDENCIES = $(top_builddir)/src/lib/libeet.la

114
legacy/eet/src/bin/eet_bench_main.c Normal file
View File

@ -0,0 +1,114 @@
#include "Eet.h"
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <limits.h>
#include <fnmatch.h>
#include <sys/time.h>
#include <time.h>
double
get_time(void)
{
struct timeval timev;
gettimeofday(&timev, NULL);
return (double)timev.tv_sec + (((double)timev.tv_usec) / 1000000);
}
int
main(int argc, char **argv)
{
char *file;
Eet_File *ef;
char **items;
int items_num;
int i;
double t1, t2;
file = argv[1];
ef = eet_open(file, EET_FILE_MODE_READ);
if (ef)
{
items = eet_list(ef, "images/*", &items_num);
for (i = 0; i < items_num; i++)
items[i] = strdup(items[i]);
eet_close(ef);
}
else
{
printf("EEK. cannot load %s\n", file);
exit(-1);
}
t1 = get_time();
ef = eet_open(file, EET_FILE_MODE_READ);
if (ef)
{
for (i = 0; i < items_num; i++)
{
int w, h, alpha, compress, quality, lossy;
void *data;
if (eet_data_image_header_read(ef, items[i], &w, &h, &alpha, &compress, &quality, &lossy))
{
data = eet_data_image_read(ef, items[i], &w, &h, &alpha, &compress, &quality, &lossy);
if (data) free(data);
else
{
printf("failure reading %s (%i/%i\n", items[i], i, items_num);
exit(-1);
}
}
else
{
printf("failure reading header %s (%i/%i\n", items[i], i, items_num);
exit(-1);
}
}
}
eet_close(ef);
t2 = get_time();
printf("1 open/close: %i img headers + data in %3.3f sec (%3.3f img/sec)\n",
items_num,
t2 - t1,
(double)items_num / (t2 - t1));
t1 = get_time();
for (i = 0; i < items_num; i++)
{
int w, h, alpha, compress, quality, lossy;
void *data;
ef = eet_open(file, EET_FILE_MODE_READ);
if (ef)
{
if (eet_data_image_header_read(ef, items[i], &w, &h, &alpha, &compress, &quality, &lossy))
{
data = eet_data_image_read(ef, items[i], &w, &h, &alpha, &compress, &quality, &lossy);
if (data) free(data);
else
{
printf("failure reading %s (%i/%i\n", items[i], i, items_num);
exit(-1);
}
}
else
{
printf("failure reading header %s (%i/%i\n", items[i], i, items_num);
exit(-1);
}
eet_close(ef);
}
}
t2 = get_time();
printf("many open/close: %i img headers + data in %3.3f sec (%3.3f img/sec)\n",
items_num,
t2 - t1,
(double)items_num / (t2 - t1));
return 0;
}

2
legacy/eet/src/lib/eet_image.c
View File

@ -154,6 +154,7 @@ eet_data_image_jpeg_rgb_decode(void *data, int size, int *w, int *h)
jpeg_create_decompress(&cinfo);
jpeg_stdio_src(&cinfo, f);
jpeg_read_header(&cinfo, TRUE);
cinfo.dct_method = JDCT_FASTEST;
cinfo.do_fancy_upsampling = FALSE;
cinfo.do_block_smoothing = FALSE;
jpeg_start_decompress(&cinfo);
@ -274,6 +275,7 @@ eet_data_image_jpeg_alpha_decode(void *data, int size, unsigned int *d, int *w,
jpeg_create_decompress(&cinfo);
jpeg_stdio_src(&cinfo, f);
jpeg_read_header(&cinfo, TRUE);
cinfo.dct_method = JDCT_FASTEST;
cinfo.do_fancy_upsampling = FALSE;
cinfo.do_block_smoothing = FALSE;
jpeg_start_decompress(&cinfo);