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Diffstat (limited to 'lib/libdts/test/compare.c')
-rw-r--r-- | lib/libdts/test/compare.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/lib/libdts/test/compare.c b/lib/libdts/test/compare.c deleted file mode 100644 index 94957502b7..0000000000 --- a/lib/libdts/test/compare.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * compare.c - * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org> - * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> - * - * This file is part of dtsdec, a free DTS Coherent Acoustics stream decoder. - * See http://www.videolan.org/dtsdec.html for updates. - * - * dtsdec is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * dtsdec 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <stdio.h> -#include <math.h> - -int main (int argc, char ** argv) -{ - FILE * f1; - FILE * f2; - float buf1[512]; - float buf2[512]; - int i, j; - int total = 0; - double max = 0, err = 0, square = 0; - - if (argc != 3) - return 1; - f1 = fopen (argv[1], "rb"); - f2 = fopen (argv[2], "rb"); - if ((f1 == NULL) || (f2 == NULL)) { - printf ("cannot open file %s\n", (f1 == NULL) ? argv[1] : argv[2]); - return 1; - } - while (1) { - i = fread (buf1, sizeof (float), 512, f1); - j = fread (buf2, sizeof (float), 512, f2); - if ((i < 512) || (j < 512)) - break; - for (i = 0; i < 512; i++) { - double delta; - - delta = buf2[i] - buf1[i]; - err += delta; - square += delta * delta; - if (delta > max) - max = delta; - if (-delta > max) - max = -delta; - } - total += 512; - } - if (i == j) { - err /= total; - square = (square / total) - (err * err); - if (square > 0) - square = 32768 * sqrt (square); - err *= 32768; - max *= 32768; - printf ("max error %f mean error %f standard deviation %f\n", - max, err, square); - return ((max > 0.01) || (err > 0.001) || (square > 0.001)); - } - if (i < j) - printf ("%s is too short\n", argv[1]); - else - printf ("%s is too short\n", argv[2]); - return 1; -} |