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34db0838be
Original commit message from CVS: * docs/libs/gst-plugins-base-libs-docs.sgml: * docs/libs/gst-plugins-base-libs-sections.txt: * gst-libs/gst/video/video.c: (gst_video_calculate_display_ratio): * gst-libs/gst/video/video.h: * gst/videoscale/Makefile.am: * gst/videoscale/gstvideoscale.c: (gst_video_scale_fixate_caps): * sys/xvimage/xvimagesink.c: (gst_xvimagesink_setcaps): * tests/check/Makefile.am: * tests/check/libs/video.c: (GST_START_TEST), (video_suite), (main): Fix integer overflow problem with pixel-aspect-ratio calculations in videoscale and xvimagesink (#341542)
86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/* GStreamer
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*
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* unit test for video
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*
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* Copyright (C) <2006> Jan Schmidt <thaytan@mad.scientist.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <unistd.h>
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#include <gst/check/gstcheck.h>
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#include <gst/video/video.h>
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#include <string.h>
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GST_START_TEST (test_dar_calc)
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{
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guint display_ratio_n, display_ratio_d;
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/* Ensure that various Display Ratio calculations are correctly done */
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/* video 768x576, par 16/15, display par 16/15 = 4/3 */
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fail_unless (gst_video_calculate_display_ratio (&display_ratio_n,
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&display_ratio_d, 768, 576, 16, 15, 16, 15));
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fail_unless (display_ratio_n == 4 && display_ratio_d == 3);
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/* video 720x480, par 32/27, display par 1/1 = 16/9 */
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fail_unless (gst_video_calculate_display_ratio (&display_ratio_n,
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&display_ratio_d, 720, 480, 32, 27, 1, 1));
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fail_unless (display_ratio_n == 16 && display_ratio_d == 9);
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/* video 360x288, par 533333/500000, display par 16/15 =
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* dar 1599999/1600000 */
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fail_unless (gst_video_calculate_display_ratio (&display_ratio_n,
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&display_ratio_d, 360, 288, 533333, 500000, 16, 15));
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fail_unless (display_ratio_n == 1599999 && display_ratio_d == 1280000);
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}
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GST_END_TEST;
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Suite *
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video_suite (void)
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{
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Suite *s = suite_create ("video support library");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_dar_calc);
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return s;
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}
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int
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main (int argc, char **argv)
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{
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int nf;
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Suite *s = video_suite ();
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SRunner *sr = srunner_create (s);
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gst_check_init (&argc, &argv);
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srunner_run_all (sr, CK_NORMAL);
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nf = srunner_ntests_failed (sr);
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srunner_free (sr);
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return nf;
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}
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