Function avtext_print_string

fftools/textformat/avtextformat.c:439–479

int avtext_print_string(AVTextFormatContext *tctx, const char *key, const char *val, int flags)
{
    const AVTextFormatSection *section;
    int ret = 0;

    av_assert0(key && val && tctx->level >= 0 && tctx->level < SECTION_MAX_NB_LEVELS);

    section = tctx->section[tctx->level];

    if (tctx->opts.show_optional_fields == SHOW_OPTIONAL_FIELDS_NEVER)
        return 0;

    if (tctx->opts.show_optional_fields == SHOW_OPTIONAL_FIELDS_AUTO
        && (flags & AV_TEXTFORMAT_PRINT_STRING_OPTIONAL)
        && !(tctx->formatter->flags & AV_TEXTFORMAT_FLAG_SUPPORTS_OPTIONAL_FIELDS))
        return 0;

    if (!tctx->opts.is_key_selected || tctx->opts.is_key_selected(tctx, key)) {
        if (flags & AV_TEXTFORMAT_PRINT_STRING_VALIDATE) {
            char *key1 = NULL, *val1 = NULL;
            ret = validate_string(tctx, &key1, key);
            if (ret < 0) goto end;
            ret = validate_string(tctx, &val1, val);
            if (ret < 0) goto end;
            tctx->formatter->print_string(tctx, key1, val1);
        end:
            if (ret < 0)
                av_log(tctx, AV_LOG_ERROR,
                       "Invalid key=value string combination %s=%s in section %s\n",
                       key, val, section->unique_name);
            av_free(key1);
            av_free(val1);
        } else {
            tctx->formatter->print_string(tctx, key, val);
        }

        tctx->nb_item[tctx->level]++;
    }

    return ret;
}

void avtext_print_rational(AVTextFormatContext *tctx, const char *key, AVRational q, char sep)
{