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* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
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* This file is part of FFmpeg.
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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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* 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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* 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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#include <string.h> /* for memset() */
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#define FUNC(s,d,n) {s,d,#n,n}
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static char *args_parse(int argc, char *argv[])
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while ((o = getopt(argc, argv, "m23")) != -1) {
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cpu_caps |= SWS_CPU_CAPS_MMX;
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cpu_caps |= SWS_CPU_CAPS_MMX2;
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cpu_caps |= SWS_CPU_CAPS_3DNOW;
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av_log(NULL, AV_LOG_ERROR, "Unknown option %c\n", o);
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int main(int argc, char **argv)
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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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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++){
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void (*func)(const uint8_t *src, uint8_t *dst, long src_size);
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FUNC(2, 2, rgb15to16),
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FUNC(2, 3, rgb15to24),
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FUNC(2, 4, rgb15to32),
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FUNC(2, 3, rgb16to24),
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FUNC(2, 4, rgb16to32),
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FUNC(3, 2, rgb24to15),
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FUNC(3, 2, rgb24to16),
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FUNC(3, 4, rgb24to32),
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FUNC(4, 2, rgb32to15),
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FUNC(4, 2, rgb32to16),
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FUNC(4, 3, rgb32to24),
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FUNC(2, 2, rgb16to15),
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FUNC(2, 2, rgb15tobgr15),
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FUNC(2, 2, rgb15tobgr16),
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FUNC(2, 3, rgb15tobgr24),
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FUNC(2, 4, rgb15tobgr32),
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FUNC(2, 2, rgb16tobgr15),
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FUNC(2, 2, rgb16tobgr16),
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FUNC(2, 3, rgb16tobgr24),
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FUNC(2, 4, rgb16tobgr32),
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FUNC(3, 2, rgb24tobgr15),
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FUNC(3, 2, rgb24tobgr16),
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FUNC(3, 3, rgb24tobgr24),
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FUNC(3, 4, rgb24tobgr32),
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FUNC(4, 2, rgb32tobgr15),
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FUNC(4, 2, rgb32tobgr16),
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FUNC(4, 3, rgb32tobgr24),
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FUNC(4, 4, rgb32tobgr32),
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if (!func_info[funcNum].func) break;
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av_log(NULL, AV_LOG_INFO,".");
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memset(srcBuffer, srcByte, SIZE);
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for(width=63; width>0; width--){
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for(dstOffset=128; dstOffset<196; dstOffset+=4){
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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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if(failed) break; //don't fill the screen with shit ...
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srcBpp = func_info[funcNum].src_bpp;
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dstBpp = func_info[funcNum].dst_bpp;
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name = func_info[funcNum].name;
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func_info[funcNum].func(src, dst, width*srcBpp);
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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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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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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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if(failed) failedNum++;
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else if(srcBpp) passedNum++;
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av_log(NULL, AV_LOG_INFO, "\n%d converters passed, %d converters randomly overwrote memory\n", passedNum, failedNum);