static void param_write_int(AVIOContext *pb, const char *name, int value)
{
    avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
}
static void param_write_int(AVIOContext *pb, const char *name, int value)
{
    avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
}