diff options
Diffstat (limited to 'libavutil/random_seed.c')
-rw-r--r-- | libavutil/random_seed.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/libavutil/random_seed.c b/libavutil/random_seed.c index 51ca99b..6a8666c 100644 --- a/libavutil/random_seed.c +++ b/libavutil/random_seed.c @@ -1,20 +1,20 @@ /* * Copyright (c) 2009 Baptiste Coudurier <baptiste.coudurier@gmail.com> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg 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. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -80,3 +80,29 @@ uint32_t av_get_random_seed(void) return seed; return get_generic_seed(); } + +#ifdef TEST +#undef printf +#define N 256 +#include <stdio.h> + +int main(void) +{ + int i, j, retry; + uint32_t seeds[N]; + + for (retry=0; retry<3; retry++){ + for (i=0; i<N; i++){ + seeds[i] = av_get_random_seed(); + for (j=0; j<i; j++) + if (seeds[j] == seeds[i]) + goto retry; + } + printf("seeds OK\n"); + return 0; + retry:; + } + printf("FAIL at %d with %X\n", j, seeds[j]); + return 1; +} +#endif |