gstreamer/subprojects/gst-devtools/validate/tools/gst-validate-images-check.c

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/* GStreamer
*
* Copyright (C) 2014 Mathieu Duponchelle <mathieu.duponchelle@opencreed.com>
* Copyright (C) 2015 Raspberry Pi Foundation
* Author: Thibault Saunier <thibault.saunier@collabora.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
2015-06-08 16:20:33 +00:00
#include "../gst-libs/gst/video/gstvalidatessim.h"
#include <gst/gst.h>
#include <gst/validate/validate.h>
#include <gst/video/video.h>
#include <locale.h> /* for LC_ALL */
int
main (int argc, char **argv)
{
GstValidateSsim *ssim;
gint rep_err, ret = 0;
GError *err = NULL;
GstValidateRunner *runner = NULL;
GOptionContext *ctx;
gchar *outfolder = NULL;
gfloat mssim = 0, lowest = 1, highest = -1;
gdouble min_avg_similarity = 0.95, min_lowest_similarity = -1.0;
GOptionEntry options[] = {
{"min-avg-similarity", 'a', 0, G_OPTION_ARG_DOUBLE,
&min_avg_similarity,
"The minimum average similarity under which we consider"
" the test as failing",
NULL},
{"min-lowest-similarity", 'l', 0, G_OPTION_ARG_DOUBLE,
&min_lowest_similarity,
"The minimum 'lowest' similarity under which we consider"
" the test as failing",
NULL},
{"result-output-folder", 'r', 0, G_OPTION_ARG_FILENAME,
&outfolder,
"The folder in which to store resulting grey scale images"
" when the test failed. In that folder you will find"
" images with the structural difference between"
" the reference frame and the failed one",
NULL},
{NULL}
};
setlocale (LC_ALL, "");
g_set_prgname ("gst-validate-images-check-" GST_API_VERSION);
ctx = g_option_context_new ("/reference/file/path /compared/file/path");
g_option_context_set_summary (ctx,
"The gst-validate-images-check calculates SSIM (Structural SIMilarity)"
" index for the images. And according to min-lowest-similarity and"
" min-avg-similarity, it will consider the images similar enough"
" or report critical issues in the GstValidate reporting system");
g_option_context_add_main_entries (ctx, options, NULL);
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_printerr ("Error initializing: %s\n", err->message);
g_option_context_free (ctx);
g_clear_error (&err);
return -1;
}
if (argc != 3) {
gchar *help = g_option_context_get_help (ctx, FALSE, NULL);
g_printerr ("%s", help);
g_free (help);
g_option_context_free (ctx);
return -1;
}
gst_init (&argc, &argv);
gst_validate_init ();
runner = gst_validate_runner_new ();
ssim =
gst_validate_ssim_new (runner, min_avg_similarity, min_lowest_similarity,
0, 1);
gst_validate_ssim_compare_image_files (ssim, argv[1], argv[2], &mssim,
&lowest, &highest, outfolder);
if (!g_file_test (argv[1], G_FILE_TEST_IS_DIR)) {
gst_validate_printf (ssim, "Compared %s with %s, average: %f, Min %f\n",
argv[1], argv[2], mssim, lowest);
}
rep_err = gst_validate_runner_exit (runner, TRUE);
if (ret == 0) {
ret = rep_err;
if (rep_err != 0)
gst_validate_printf (NULL, "Returning %d as error where found", rep_err);
}
g_object_unref (ssim);
g_object_unref (runner);
gst_validate_deinit ();
gst_validate_printf (NULL, "\n=======> Test %s (Return value: %i)\n\n",
ret == 0 ? "PASSED" : "FAILED", ret);
return ret;
}