56 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			56 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Copyright (c) 2009 Baptiste Coudurier <baptiste.coudurier@gmail.com> | ||
|  |  * | ||
|  |  * This file is part of FFmpeg. | ||
|  |  * | ||
|  |  * 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. | ||
|  |  * | ||
|  |  * 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 FFmpeg; if not, write to the Free Software | ||
|  |  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
|  |  */ | ||
|  | 
 | ||
|  | #define TEST 1
 | ||
|  | #include "libavutil/random_seed.c"
 | ||
|  | 
 | ||
|  | #undef printf
 | ||
|  | #define N 256
 | ||
|  | #define F 2
 | ||
|  | #include <stdio.h>
 | ||
|  | 
 | ||
|  | typedef uint32_t (*random_seed_ptr_t)(void); | ||
|  | 
 | ||
|  | int main(void) | ||
|  | { | ||
|  |     int i, j, rsf, retry; | ||
|  |     uint32_t seeds[N]; | ||
|  |     random_seed_ptr_t random_seed[F] = {av_get_random_seed, get_generic_seed}; | ||
|  | 
 | ||
|  |     for (rsf=0; rsf<F; ++rsf){ | ||
|  |         for (retry=0; retry<3; retry++){ | ||
|  |             for (i=0; i<N; i++){ | ||
|  |                 seeds[i] = random_seed[rsf](); | ||
|  |                 for (j=0; j<i; j++) | ||
|  |                     if (seeds[j] == seeds[i]) | ||
|  |                         goto retry; | ||
|  |             } | ||
|  |             printf("seeds OK\n"); | ||
|  |             break; | ||
|  |             retry:; | ||
|  |         } | ||
|  |         if (retry >= 3) { | ||
|  |             printf("rsf %d: FAIL at %d with %"PRIX32"\n", rsf, j, seeds[j]); | ||
|  |             return 1; | ||
|  |         } | ||
|  |     } | ||
|  |     return 0; | ||
|  | } |