Function value_string

fftools/textformat/avtextformat.c:373–426

};

static char *value_string(const AVTextFormatContext *tctx, char *buf, int buf_size, struct unit_value uv)
{
    double vald;
    int64_t vali = 0;
    int show_float = 0;

    if (uv.unit == unit_second_str) {
        vald = uv.val.d;
        show_float = 1;
    } else {
        vald = (double)uv.val.i;
        vali = uv.val.i;
    }

    if (uv.unit == unit_second_str && tctx->opts.use_value_sexagesimal_format) {
        double secs;
        int hours, mins;
        secs  = vald;
        mins  = (int)secs / 60;
        secs  = secs - mins * 60;
        hours = mins / 60;
        mins %= 60;
        snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
    } else {
        const char *prefix_string = "";

        if (tctx->opts.use_value_prefix && vald > 1) {
            int64_t index;

            if (uv.unit == unit_byte_str && tctx->opts.use_byte_value_binary_prefix) {
                index = (int64_t)(log2(vald) / 10);
                index = av_clip64(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
                vald /= si_prefixes[index].bin_val;
                prefix_string = si_prefixes[index].bin_str;
            } else {
                index = (int64_t)(log10(vald) / 3);
                index = av_clip64(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
                vald /= si_prefixes[index].dec_val;
                prefix_string = si_prefixes[index].dec_str;
            }
            vali = (int64_t)vald;
        }

        if (show_float || (tctx->opts.use_value_prefix && vald != (int64_t)vald))
            snprintf(buf, buf_size, "%f", vald);
        else
            snprintf(buf, buf_size, "%"PRId64, vali);

        av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || tctx->opts.show_value_unit ? " " : "",
                    prefix_string, tctx->opts.show_value_unit ? uv.unit : "");
    }

    return buf;
}


void avtext_print_unit_integer(AVTextFormatContext *tctx, const char *key, int64_t val, const char *unit)