rsz_find_format_by_code
rsz_fmt = rsz_find_format_by_code(sink_fmt->code, C3_ISP_RSZ_PAD_SINK);
rsz_fmt = rsz_find_format_by_code(format->format.code, format->pad);
rsz_fmt = rsz_find_format_by_code(src_fmt->code, format->pad);