colorspace-test.c 5.77 KB
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/*
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 * Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
 *
 * This file is part of FFmpeg.
 *
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 * 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.
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 *
 * FFmpeg is distributed in the hope that it will be useful,
 * 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
 * License along with FFmpeg; 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() */
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#include <stdlib.h>
#include <inttypes.h>

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#include "swscale.h"
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#include "rgb2rgb.h"
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#include "libavutil/mem.h"
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#define SIZE    1000
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#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[] = {
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            FUNC(2, 2, rgb12to15),
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            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),
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            FUNC(2, 2, rgb12tobgr12),
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            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(6, 6, rgb48tobgr48_nobswap),
            FUNC(6, 6, rgb48tobgr48_bswap),
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            FUNC(8, 6, rgb64to48_nobswap),
            FUNC(8, 6, rgb64to48_bswap),
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            FUNC(8, 6, rgb64tobgr48_nobswap),
            FUNC(8, 6, rgb64tobgr48_bswap),
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            FUNC(0, 0, NULL)
        };
        int width;
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        int failed = 0;
        int srcBpp = 0;
        int dstBpp = 0;
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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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            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) {
                    uint8_t *src     = srcBuffer + srcOffset;
                    uint8_t *dst     = dstBuffer + dstOffset;
                    const char *name = NULL;
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                    // don't fill the screen with shit ...
                    if (failed)
                        break;
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                    srcBpp = func_info[funcNum].src_bpp;
                    dstBpp = func_info[funcNum].dst_bpp;
                    name   = func_info[funcNum].name;

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                    func_info[funcNum].func(src, dst, width * srcBpp);
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                    if (!srcBpp)
                        break;
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                    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",
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                                   i, width, srcOffset, dstOffset, name);
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                            failed = 1;
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                            break;
                        }
                    }
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                    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",
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                                   i, width, srcOffset, dstOffset, name);
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                            failed = 1;
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                            break;
                        }
                    }
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                    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",
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                                   i, width, srcOffset, dstOffset, name);
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                            failed = 1;
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                            break;
                        }
                    }
                }
            }
        }
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        if (failed)
            failedNum++;
        else if (srcBpp)
            passedNum++;
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    }
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    av_log(NULL, AV_LOG_INFO,
           "\n%d converters passed, %d converters randomly overwrote memory\n",
           passedNum, failedNum);
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    return failedNum;
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}