Filter

{
    "$schema": "https://json-schema.org/draft/2020-12/schema#",
    "$id": "https://hdfgroup.org/schemas/hdf5/json/filters.schema.json",
    "title": "HDF5/JSON Filters Schema",
    "description": "JSON Schema describing supported HDF5 filters.",
    "type": "object",
    "$defs": {
        "filter": {
            "oneOf": [
                {
                    "$ref": "#/$defs/deflate_filter"
                },
                {
                    "$ref": "#/$defs/fletcher32_filter"
                },
                {
                    "$ref": "#/$defs/lzf_filter"
                },
                {
                    "$ref": "#/$defs/nbit_filter"
                },
                {
                    "$ref": "#/$defs/scaleoffset_filter"
                },
                {
                    "$ref": "#/$defs/shuffle_filter"
                },
                {
                    "$ref": "#/$defs/szip_filter"
                },
                {
                    "$ref": "#/$defs/other_filter"
                }
            ]
        },
        "other_filter": {
            "type": "object",
            "properties": {
                "class": {
                    "const": "H5Z_FILTER_USER"
                },
                "id": {
                    "type": "integer",
                    "exclusiveMinimum": 0
                },
                "parameters": {
                    "type": "array",
                    "minItems": 1,
                    "items": {
                        "type": "integer",
                        "exclusiveMinimum": 0
                    }
                }
            },
            "required": [
                "class",
                "id"
            ]
        },
        "deflate_filter": {
            "type": "object",
            "properties": {
                "class": {
                    "const": "H5Z_FILTER_DEFLATE"
                },
                "id": {
                    "const": 1
                },
                "level": {
                    "type": "integer",
                    "minimum": 0,
                    "maximum": 9
                }
            },
            "required": [
                "class"
            ]
        },
        "fletcher32_filter": {
            "type": "object",
            "properties": {
                "class": {
                    "const": "H5Z_FILTER_FLETCHER32"
                },
                "id": {
                    "const": 3
                }
            },
            "required": [
                "class"
            ]
        },
        "lzf_filter": {
            "type": "object",
            "properties": {
                "class": {
                    "const": "H5Z_FILTER_LZF"
                },
                "id": {
                    "const": 32000
                }
            },
            "required": [
                "class"
            ]
        },
        "nbit_filter": {
            "type": "object",
            "properties": {
                "class": {
                    "const": "H5Z_FILTER_NBIT"
                },
                "id": {
                    "const": 5
                }
            },
            "required": [
                "class"
            ]
        },
        "scaleoffset_filter": {
            "type": "object",
            "properties": {
                "class": {
                    "const": "H5Z_FILTER_SCALEOFFSET"
                },
                "id": {
                    "const": 6
                },
                "scaleType": {
                    "type": "string",
                    "enum": [
                        "H5Z_SO_FLOAT_DSCALE",
                        "H5Z_SO_FLOAT_ESCALE",
                        "H5Z_SO_INT"
                    ]
                },
                "scaleOffset": {
                    "type": "integer",
                    "minimum": 0
                }
            },
            "required": [
                "class",
                "scaleType",
                "scaleOffset"
            ]
        },
        "shuffle_filter": {
            "type": "object",
            "properties": {
                "class": {
                    "const": "H5Z_FILTER_SHUFFLE"
                },
                "id": {
                    "const": 2
                }
            },
            "required": [
                "class"
            ]
        },
        "szip_filter": {
            "type": "object",
            "properties": {
                "class": {
                    "const": "H5Z_FILTER_SZIP"
                },
                "id": {
                    "const": 4
                },
                "bitsPerPixel": {
                    "type": "integer",
                    "exclusiveMinimum": 0
                },
                "pixelsPerBlock": {
                    "type": "integer",
                    "exclusiveMinimum": 0
                },
                "pixelsPerScanline": {
                    "type": "integer",
                    "exclusiveMinimum": 0
                },
                "coding": {
                    "type": "string",
                    "enum": [
                        "H5_SZIP_EC_OPTION_MASK",
                        "H5_SZIP_NN_OPTION_MASK"
                    ]
                }
            },
            "required": [
                "class"
            ]
        }
    }
}