FFmpeg/libavutil/tests/parseutils.c

/*
 * This file is part of Libav.
 *
 * Libav 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.
 *
 * Libav 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 Libav; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <stdint.h>
#include <stdio.h>

#include "libavutil/common.h"
#include "libavutil/log.h"
#include "libavutil/rational.h"
#include "libavutil/parseutils.h"

int main(void)
{
    int i;
    uint8_t rgba[4];
    static const char *const rates[] = {
        "-inf",
        "inf",
        "nan",
        "123/0",
        "-123 / 0",
        "",
        "/",
        " 123  /  321",
        "foo/foo",
        "foo/1",
        "1/foo",
        "0/0",
        "/0",
        "1/",
        "1",
        "0",
        "-123/123",
        "-foo",
        "123.23",
        ".23",
        "-.23",
        "-0.234",
        "-0.0000001",
        "  21332.2324   ",
        " -21332.2324   ",
    };
    static const char *const color_names[] = {
        "foo",
        "red",
        "Red ",
        "RED",
        "Violet",
        "Yellow",
        "Red",
        "0x000000",
        "0x0000000",
        "0xff000000",
        "0x3e34ff",
        "0x3e34ffaa",
        "0xffXXee",
        "0xfoobar",
        "0xffffeeeeeeee",
        "#ff0000",
        "#ffXX00",
        "ff0000",
        "ffXX00",
        "red@foo",
        "random@10",
        "0xff0000@1.0",
        "red@",
        "red@0xfff",
        "red@0xf",
        "red@2",
        "red@0.1",
        "red@-1",
        "red@0.5",
        "red@1.0",
        "red@256",
        "red@10foo",
        "red@-1.0",
        "red@-0.0",
    };

    printf("Testing av_parse_video_rate()\n");

    for (i = 0; i < FF_ARRAY_ELEMS(rates); i++) {
        int ret;
        AVRational q = { 0, 0 };
        ret = av_parse_video_rate(&q, rates[i]);
        printf("'%s' -> %d/%d %s\n",
               rates[i], q.num, q.den, ret ? "ERROR" : "OK");
    }

    printf("\nTesting av_parse_color()\n");

    av_log_set_level(AV_LOG_DEBUG);

    for (i = 0;  i < FF_ARRAY_ELEMS(color_names); i++) {
        if (av_parse_color(rgba, color_names[i], -1, NULL) >= 0)
            printf("%s -> R(%d) G(%d) B(%d) A(%d)\n",
                   color_names[i], rgba[0], rgba[1], rgba[2], rgba[3]);
    }

    return 0;
}