colorspace-test.c 5.1 KB
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/*
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 * Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
 *
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 * This file is part of Libav.
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 *
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 * Libav is free software; you can redistribute it and/or
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 * 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.
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 *
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 * Libav 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 GNU
 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with Libav; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, 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() */
#include <unistd.h>
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#include <stdlib.h>
#include <inttypes.h>

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#include "swscale.h"
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#include "rgb2rgb.h"

#define SIZE 1000
#define srcByte 0x55
#define dstByte 0xBB

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#define FUNC(s,d,n) {s,d,#n,n}
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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 = av_malloc(SIZE);
    uint8_t *dstBuffer = av_malloc(SIZE);
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    int failedNum=0;
    int passedNum=0;
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    if (!srcBuffer || !dstBuffer)
        return -1;

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    av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n");
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    sws_rgb2rgb_init();
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    for(funcNum=0; ; funcNum++) {
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        struct func_info_s {
            int src_bpp;
            int dst_bpp;
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            const char *name;
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            void (*func)(const uint8_t *src, uint8_t *dst, int src_size);
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        } func_info[] = {
            FUNC(2, 2, rgb15to16),
            FUNC(2, 3, rgb15to24),
            FUNC(2, 4, rgb15to32),
            FUNC(2, 3, rgb16to24),
            FUNC(2, 4, rgb16to32),
            FUNC(3, 2, rgb24to15),
            FUNC(3, 2, rgb24to16),
            FUNC(3, 4, rgb24to32),
            FUNC(4, 2, rgb32to15),
            FUNC(4, 2, rgb32to16),
            FUNC(4, 3, rgb32to24),
            FUNC(2, 2, rgb16to15),
            FUNC(2, 2, rgb15tobgr15),
            FUNC(2, 2, rgb15tobgr16),
            FUNC(2, 3, rgb15tobgr24),
            FUNC(2, 4, rgb15tobgr32),
            FUNC(2, 2, rgb16tobgr15),
            FUNC(2, 2, rgb16tobgr16),
            FUNC(2, 3, rgb16tobgr24),
            FUNC(2, 4, rgb16tobgr32),
            FUNC(3, 2, rgb24tobgr15),
            FUNC(3, 2, rgb24tobgr16),
            FUNC(3, 3, rgb24tobgr24),
            FUNC(3, 4, rgb24tobgr32),
            FUNC(4, 2, rgb32tobgr15),
            FUNC(4, 2, rgb32tobgr16),
            FUNC(4, 3, rgb32tobgr24),
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            FUNC(4, 4, shuffle_bytes_2103), /* rgb32tobgr32 */
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            FUNC(0, 0, NULL)
        };
        int width;
        int failed=0;
        int srcBpp=0;
        int dstBpp=0;

        if (!func_info[funcNum].func) break;

        av_log(NULL, AV_LOG_INFO,".");
        memset(srcBuffer, srcByte, SIZE);

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        for(width=63; width>0; width--) {
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            int dstOffset;
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            for(dstOffset=128; dstOffset<196; dstOffset+=4) {
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                int srcOffset;
                memset(dstBuffer, dstByte, SIZE);

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                for(srcOffset=128; srcOffset<196; srcOffset+=4) {
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                    uint8_t *src= srcBuffer+srcOffset;
                    uint8_t *dst= dstBuffer+dstOffset;
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                    const char *name=NULL;
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                    if(failed) break; //don't fill the screen with shit ...

                    srcBpp = func_info[funcNum].src_bpp;
                    dstBpp = func_info[funcNum].dst_bpp;
                    name   = func_info[funcNum].name;

                    func_info[funcNum].func(src, dst, width*srcBpp);

                    if(!srcBpp) break;

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                    for(i=0; i<SIZE; i++) {
                        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;
                            break;
                        }
                    }
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                    for(i=0; i<dstOffset; i++) {
                        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;
                            break;
                        }
                    }
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                    for(i=dstOffset + width*dstBpp; i<SIZE; i++) {
                        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;
                            break;
                        }
                    }
                }
            }
        }
        if(failed) failedNum++;
        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);
    return failedNum;
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}