From 0cb3ad58b3033ec1b78cc74943775e27ae7faeca Mon Sep 17 00:00:00 2001 From: Mohamed Tarek Date: Mon, 11 May 2009 23:35:50 +0000 Subject: -Took cook_random() from an old cook.c revision [6 mar 2007], which is a simple RNG, to eliminate the need for lfg.c/h. -Remove lfg.c/h and md5.c/h as they are no longer needed and use the more common form of my name in docs/COMMITTERS. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20915 a1c6a512-1295-4272-9138-f99709370657 --- apps/codecs/libcook/libavutil/lfg.c | 64 ------------------------------------- 1 file changed, 64 deletions(-) delete mode 100644 apps/codecs/libcook/libavutil/lfg.c (limited to 'apps/codecs/libcook/libavutil/lfg.c') diff --git a/apps/codecs/libcook/libavutil/lfg.c b/apps/codecs/libcook/libavutil/lfg.c deleted file mode 100644 index 337ee9e41c..0000000000 --- a/apps/codecs/libcook/libavutil/lfg.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Lagged Fibonacci PRNG - * Copyright (c) 2008 Michael Niedermayer - * - * 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 - */ - -#include -#include "lfg.h" -#include "md5.h" -#include "intreadwrite.h" - -void av_cold av_lfg_init(AVLFG *c, unsigned int seed){ - uint8_t tmp[16]={0}; - int i; - - for(i=8; i<64; i+=4){ - AV_WL32(tmp, seed); tmp[4]=i; - av_md5_sum(tmp, tmp, 16); - c->state[i ]= AV_RL32(tmp); - c->state[i+1]= AV_RL32(tmp+4); - c->state[i+2]= AV_RL32(tmp+8); - c->state[i+3]= AV_RL32(tmp+12); - } - c->index=0; -} - -#ifdef TEST -#include "log.h" -#include "common.h" - -int main(void) -{ - int x=0; - int i, j; - AVLFG state; - - av_lfg_init(&state, 0xdeadbeef); - for (j = 0; j < 10000; j++) { - START_TIMER - for (i = 0; i < 624; i++) { -// av_log(NULL,AV_LOG_ERROR, "%X\n", av_lfg_get(&state)); - x+=av_lfg_get(&state); - } - STOP_TIMER("624 calls of av_random"); - } - av_log(NULL, AV_LOG_ERROR, "final value:%X\n", x); - return 0; -} -#endif -- cgit v1.2.3