8ec491e3fd
Fix data alignment bug (the original purpose of the code is unclear, though). patch by Marc Hoffman, mmh pleasantst com Originally committed as revision 22847 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
304 lines
7.0 KiB
C
304 lines
7.0 KiB
C
/*
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* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* FFmpeg 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <string.h> /* for memset() */
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#include <unistd.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include "swscale.h"
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#include "rgb2rgb.h"
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#define SIZE 1000
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#define srcByte 0x55
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#define dstByte 0xBB
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static int cpu_caps;
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static char *args_parse(int argc, char *argv[])
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{
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int o;
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while ((o = getopt(argc, argv, "m23")) != -1) {
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switch (o) {
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case 'm':
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cpu_caps |= SWS_CPU_CAPS_MMX;
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break;
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case '2':
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cpu_caps |= SWS_CPU_CAPS_MMX2;
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break;
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case '3':
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cpu_caps |= SWS_CPU_CAPS_3DNOW;
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break;
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default:
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av_log(NULL, AV_LOG_ERROR, "Unknown option %c\n", o);
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}
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}
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return argv[optind];
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}
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int main(int argc, char **argv)
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{
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int i, funcNum;
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uint8_t *srcBuffer= (uint8_t*)av_malloc(SIZE);
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uint8_t *dstBuffer= (uint8_t*)av_malloc(SIZE);
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int failedNum=0;
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int passedNum=0;
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av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n");
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args_parse(argc, argv);
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av_log(NULL, AV_LOG_INFO, "CPU capabilities forced to %x\n", cpu_caps);
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sws_rgb2rgb_init(cpu_caps);
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for(funcNum=0; funcNum<100; funcNum++){
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int width;
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int failed=0;
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int srcBpp=0;
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int dstBpp=0;
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av_log(NULL, AV_LOG_INFO,".");
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memset(srcBuffer, srcByte, SIZE);
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for(width=32; width<64; width++){
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int dstOffset;
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for(dstOffset=128; dstOffset<196; dstOffset+=4){
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int srcOffset;
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memset(dstBuffer, dstByte, SIZE);
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for(srcOffset=128; srcOffset<196; srcOffset+=4){
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uint8_t *src= srcBuffer+srcOffset;
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uint8_t *dst= dstBuffer+dstOffset;
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char *name=NULL;
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if(failed) break; //don't fill the screen with shit ...
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switch(funcNum){
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case 0:
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srcBpp=2;
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dstBpp=2;
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name="rgb15to16";
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rgb15to16(src, dst, width*srcBpp);
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break;
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case 1:
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srcBpp=2;
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dstBpp=3;
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name="rgb15to24";
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rgb15to24(src, dst, width*srcBpp);
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break;
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case 2:
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srcBpp=2;
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dstBpp=4;
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name="rgb15to32";
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rgb15to32(src, dst, width*srcBpp);
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break;
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case 3:
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srcBpp=2;
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dstBpp=3;
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name="rgb16to24";
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rgb16to24(src, dst, width*srcBpp);
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break;
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case 4:
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srcBpp=2;
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dstBpp=4;
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name="rgb16to32";
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rgb16to32(src, dst, width*srcBpp);
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break;
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case 5:
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srcBpp=3;
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dstBpp=2;
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name="rgb24to15";
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rgb24to15(src, dst, width*srcBpp);
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break;
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case 6:
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srcBpp=3;
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dstBpp=2;
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name="rgb24to16";
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rgb24to16(src, dst, width*srcBpp);
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break;
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case 7:
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srcBpp=3;
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dstBpp=4;
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name="rgb24to32";
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rgb24to32(src, dst, width*srcBpp);
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break;
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case 8:
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srcBpp=4;
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dstBpp=2;
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name="rgb32to15";
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//((*s++) << TGA_SHIFT32) | TGA_ALPHA32;
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rgb32to15(src, dst, width*srcBpp);
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break;
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case 9:
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srcBpp=4;
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dstBpp=2;
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name="rgb32to16";
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rgb32to16(src, dst, width*srcBpp);
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break;
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case 10:
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srcBpp=4;
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dstBpp=3;
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name="rgb32to24";
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rgb32to24(src, dst, width*srcBpp);
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break;
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case 11:
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srcBpp=2;
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dstBpp=2;
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name="rgb16to15";
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rgb16to15(src, dst, width*srcBpp);
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break;
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case 14:
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srcBpp=2;
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dstBpp=2;
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name="rgb15tobgr15";
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rgb15tobgr15(src, dst, width*srcBpp);
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break;
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case 15:
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srcBpp=2;
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dstBpp=2;
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name="rgb15tobgr16";
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rgb15tobgr16(src, dst, width*srcBpp);
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break;
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case 16:
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srcBpp=2;
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dstBpp=3;
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name="rgb15tobgr24";
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rgb15tobgr24(src, dst, width*srcBpp);
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break;
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case 17:
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srcBpp=2;
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dstBpp=4;
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name="rgb15tobgr32";
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rgb15tobgr32(src, dst, width*srcBpp);
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break;
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case 18:
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srcBpp=2;
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dstBpp=2;
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name="rgb16tobgr15";
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rgb16tobgr15(src, dst, width*srcBpp);
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break;
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case 19:
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srcBpp=2;
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dstBpp=2;
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name="rgb16tobgr16";
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rgb16tobgr16(src, dst, width*srcBpp);
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break;
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case 20:
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srcBpp=2;
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dstBpp=3;
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name="rgb16tobgr24";
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rgb16tobgr24(src, dst, width*srcBpp);
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break;
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case 21:
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srcBpp=2;
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dstBpp=4;
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name="rgb16tobgr32";
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rgb16tobgr32(src, dst, width*srcBpp);
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break;
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case 22:
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srcBpp=3;
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dstBpp=2;
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name="rgb24tobgr15";
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rgb24tobgr15(src, dst, width*srcBpp);
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break;
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case 23:
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srcBpp=3;
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dstBpp=2;
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name="rgb24tobgr16";
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rgb24tobgr16(src, dst, width*srcBpp);
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break;
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case 24:
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srcBpp=3;
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dstBpp=3;
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name="rgb24tobgr24";
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rgb24tobgr24(src, dst, width*srcBpp);
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break;
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case 25:
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srcBpp=3;
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dstBpp=4;
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name="rgb24tobgr32";
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rgb24tobgr32(src, dst, width*srcBpp);
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break;
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case 26:
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srcBpp=4;
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dstBpp=2;
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name="rgb32tobgr15";
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rgb32tobgr15(src, dst, width*srcBpp);
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break;
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case 27:
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srcBpp=4;
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dstBpp=2;
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name="rgb32tobgr16";
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rgb32tobgr16(src, dst, width*srcBpp);
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break;
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case 28:
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srcBpp=4;
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dstBpp=3;
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name="rgb32tobgr24";
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rgb32tobgr24(src, dst, width*srcBpp);
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break;
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case 29:
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srcBpp=4;
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dstBpp=4;
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name="rgb32tobgr32";
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rgb32tobgr32(src, dst, width*srcBpp);
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break;
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}
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if(!srcBpp) break;
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for(i=0; i<SIZE; i++){
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if(srcBuffer[i]!=srcByte){
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av_log(NULL, AV_LOG_INFO, "src damaged at %d w:%d src:%d dst:%d %s\n",
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i, width, srcOffset, dstOffset, name);
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failed=1;
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break;
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}
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}
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for(i=0; i<dstOffset; i++){
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if(dstBuffer[i]!=dstByte){
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av_log(NULL, AV_LOG_INFO, "dst damaged at %d w:%d src:%d dst:%d %s\n",
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i, width, srcOffset, dstOffset, name);
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failed=1;
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break;
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}
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}
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for(i=dstOffset + width*dstBpp; i<SIZE; i++){
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if(dstBuffer[i]!=dstByte){
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av_log(NULL, AV_LOG_INFO, "dst damaged at %d w:%d src:%d dst:%d %s\n",
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i, width, srcOffset, dstOffset, name);
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failed=1;
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break;
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}
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}
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}
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}
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}
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if(failed) failedNum++;
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else if(srcBpp) passedNum++;
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}
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av_log(NULL, AV_LOG_INFO, "%d converters passed, %d converters randomly overwrote memory\n", passedNum, failedNum);
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return failedNum;
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}
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