Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 152 lines (133 sloc) 5.24 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151
/*
* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
*
* 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 <stdio.h>
#include <string.h> /* for memset() */
#include <unistd.h>
#include <stdlib.h>
#include <inttypes.h>

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

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

#define FUNC(s,d,n) {s,d,#n,n}

int main(int argc, char **argv)
{
    int i, funcNum;
    uint8_t *srcBuffer= (uint8_t*)av_malloc(SIZE);
    uint8_t *dstBuffer= (uint8_t*)av_malloc(SIZE);
    int failedNum=0;
    int passedNum=0;

    if (!srcBuffer || !dstBuffer)
        return -1;

    av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n");
    sws_rgb2rgb_init();

    for(funcNum=0; ; funcNum++) {
        struct func_info_s {
            int src_bpp;
            int dst_bpp;
            const char *name;
            void (*func)(const uint8_t *src, uint8_t *dst, int src_size);
        } 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),
            FUNC(4, 4, shuffle_bytes_2103), /* rgb32tobgr32 */
            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);

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

                for(srcOffset=128; srcOffset<196; srcOffset+=4) {
                    uint8_t *src= srcBuffer+srcOffset;
                    uint8_t *dst= dstBuffer+dstOffset;
                    const char *name=NULL;

                    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;

                    for(i=0; i<SIZE; i++) {
                        if(srcBuffer[i]!=srcByte) {
                            av_log(NULL, AV_LOG_INFO, "src damaged at %d w:%d src:%d dst:%d %s\n",
                                   i, width, srcOffset, dstOffset, name);
                            failed=1;
                            break;
                        }
                    }
                    for(i=0; i<dstOffset; i++) {
                        if(dstBuffer[i]!=dstByte) {
                            av_log(NULL, AV_LOG_INFO, "dst damaged at %d w:%d src:%d dst:%d %s\n",
                                   i, width, srcOffset, dstOffset, name);
                            failed=1;
                            break;
                        }
                    }
                    for(i=dstOffset + width*dstBpp; i<SIZE; i++) {
                        if(dstBuffer[i]!=dstByte) {
                            av_log(NULL, AV_LOG_INFO, "dst damaged at %d w:%d src:%d dst:%d %s\n",
                                   i, width, srcOffset, dstOffset, name);
                            failed=1;
                            break;
                        }
                    }
                }
            }
        }
        if(failed) failedNum++;
        else if(srcBpp) passedNum++;
    }

    av_log(NULL, AV_LOG_INFO, "\n%d converters passed, %d converters randomly overwrote memory\n", passedNum, failedNum);
    return failedNum;
}
Something went wrong with that request. Please try again.