{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "object",
    "properties": {
        "format_version": {
            "type": "integer",
            "description": "Identifier for parsing this file.\n- v5 introduced the notion of protocol and Enhanced RTMP \n- v4 introduced 'ffmpeg_mpegts_muxer' to services/recommended/output\n - v3 introduced 'ffmpeg_hls_muxer' to services/recommended/output\n - v2 introduced 'alt_names' to services"
        },
        "services": {
            "type": "array",
            "items": {
                "type": "object",
                "properties": {
                    "name": {
                        "type": "string",
                        "description": "Name of the streaming service. Will be displayed in the Service dropdown.",
                        "minLength": 1
                    },
                    "protocol": {
                        "type": "string",
                        "description": "Protocol used by the service. If missing the service is considered using RTMP or RTMPS.",
                        "enum": [
                            "RTMP",
                            "RTMPS",
                            "HLS",
                            "SRT",
                            "RIST",
                            "WHIP"
                        ]
                    },
                    "common": {
                        "type": "boolean",
                        "description": "Whether or not the service is shown in the list before it is expanded to all services by the user.",
                        "default": false
                    },
                    "stream_key_link": {
                        "$ref": "#/definitions/saneUrl",
                        "description": "Link where a logged-in user can find the 'stream key', presented as a button alongside the stream key field."
                    },
                    "supported video codecs": {
                        "type": "array",
                        "description": "Video codecs that are supported by the service.",
                        "items": {
                            "type": "string",
                            "description": "Short-form codec names.",
                            "minLength": 1,
                            "enum": [
                                "h264",
                                "hevc",
                                "av1"
                            ]
                        }
                    },
                    "supported audio codecs": {
                        "type": "array",
                        "description": "Audio codecs that are supported by the service.",
                        "items": {
                            "type": "string",
                            "description": "Short-form codec names.",
                            "minLength": 1,
                            "enum": [
                                "aac",
                                "opus"
                            ]
                        }
                    },
                    "servers": {
                        "type": "array",
                        "description": "List of servers.",
                        "items": {
                            "type": "object",
                            "properties": {
                                "name": {
                                    "type": "string",
                                    "description": "Name of the server (e.g. location, primary/backup), displayed in the Server dropdown.",
                                    "minLength": 1
                                },
                                "url": {
                                    "$ref": "#/definitions/serviceUri",
                                    "description": "RTMP(S) or HLS URL of the ingest server.",
                                    "minLength": 1
                                }
                            },
                            "additionalProperties": false,
                            "required": [
                                "name",
                                "url"
                            ]
                        },
                        "default": [
                            {
                                "name": "",
                                "url": ""
                            }
                        ],
                        "minItems": 1,
                        "additionalItems": true
                    },
                    "recommended": {
                        "type": "object",
                        "description": "Recommended service settings. Users will be unable to choose values outside of these by default, so choose recommended values carefully.",
                        "properties": {
                            "keyint": {
                                "type": "integer",
                                "description": "Keyframe interval (seconds)."
                            },
                            "max video bitrate": {
                                "type": "integer",
                                "description": "Highest supported video bitrate (kbps)."
                            },
                            "max audio bitrate": {
                                "type": "integer",
                                "description": "Highest supported audio bitrate (kbps)."
                            },
                            "x264opts": {
                                "type": "string",
                                "description": "Additional x264 encoder options. Space-separated.",
                                "pattern": "^(\\S+=\\S+\\s*)+$"
                            },
                            "output": {
                                "type": "string",
                                "description": "OBS output module used. Unused since OBS Studio 30, kept for backward compatibility.",
                                "enum": [
                                    "rtmp_output",
                                    "ffmpeg_hls_muxer",
                                    "ffmpeg_mpegts_muxer"
                                ]
                            },
                            "profile": {
                                "type": "string",
                                "description": "H.264 Profile.",
                                "minLength": 1,
                                "enum": [
                                    "high",
                                    "main",
                                    "baseline"
                                ]
                            },
                            "bframes": {
                                "type": "integer",
                                "description": "Maximum allowed number of B-Frames."
                            },
                            "supported resolutions": {
                                "type": "array",
                                "description": "List of supported resolutions in format {width}x{height}",
                                "items": {
                                    "$ref": "#/definitions/resolution"
                                },
                                "minItems": 1,
                                "additionalItems": true
                            },
                            "max fps": {
                                "type": "integer",
                                "description": "Maximum supported framerate."
                            },
                            "bitrate matrix": {
                                "type": "array",
                                "description": "List of resolutions and frame rate combinations with their recommended maximum bitrate.",
                                "items": {
                                    "type": "object",
                                    "properties": {
                                        "res": {
                                            "$ref": "#/definitions/resolution",
                                            "description": "Resolution in format {width}x{height}"
                                        },
                                        "fps": {
                                            "type": "integer",
                                            "description": "Frame rate"
                                        },
                                        "max bitrate": {
                                            "type": "integer",
                                            "description": "Maximum bitrate in kbps."
                                        }
                                    },
                                    "minItems": 1,
                                    "additionalProperties": false,
                                    "required": [
                                        "res",
                                        "fps",
                                        "max bitrate"
                                    ]
                                },
                                "default": [
                                    {
                                        "res": "",
                                        "fps": "",
                                        "max bitrate": ""
                                    }
                                ],
                                "additionalItems": true
                            }
                        },
                        "additionalProperties": false
                    },
                    "more_info_link": {
                        "$ref": "#/definitions/saneUrl",
                        "description": "Link that provides additional info about the service, presented in the UI as a button next to the services dropdown."
                    },
                    "multitrack_video_configuration_url": {
                        "$ref": "#/definitions/saneUrl",
                        "description": "Accessed for multitrack video auto configuration"
                    },
                    "multitrack_video_name": {
                        "type": "string",
                        "description": "Marketing name for eRTMP multitrack video (e.g., Enhanced Broadcasting for Twitch)"
                    },
                    "multitrack_video_learn_more_link": {
                        "$ref": "#/definitions/saneUrl",
                        "description": "Link to additional information and privacy policy (for e.g., data sent to `multitrack_video_configuration_url`)"
                    },
                    "alt_names": {
                        "type": "array",
                        "description": "Previous names of the service used for migrating existing users to the updated entry.",
                        "items": {
                            "type": "string",
                            "minLength": 1
                        },
                        "default": [
                            ""
                        ]
                    }
                },
                "additionalProperties": false,
                "required": [
                    "name",
                    "servers"
                ],
                "allOf": [
                    {
                        "$comment": "Require protocol field if not an RTMP(S) URL",
                        "if": { "not": { "properties": { "servers": { "items": { "properties": { "url": { "format": "uri", "pattern": "^rtmps?://" } } } } } } },
                        "then": { "required": ["protocol"] }
                    },
                    {
                        "$comment": "Require recommended output field if protocol field is not RTMP(S)",
                        "if": { "required": ["protocol"], "properties": { "protocol": { "pattern": "^(HLS|SRT|RIST|WHIP)$" } } },
                        "then": { "properties": { "recommended": { "required": ["output"] } } }
                    }
                ]
            },
            "additionalItems": true
        }
    },
    "additionalProperties": true,
    "required": [
        "format_version",
        "services"
    ],
    "definitions": {
        "resolution": {
            "type": "string",
            "pattern": "^\\d+x\\d+$",
            "default": ""
        },
        "saneUrl": {
            "type": "string",
            "format": "uri",
            "pattern": "^https?://.+",
            "default": "https://"
        },
        "serviceUri": {
            "anyOf": [
                {
                    "type": "string",
                    "format": "uri",
                    "pattern": "^(https|http|rtmps|rtmp|srt|rist)?://"
                },
                {
                    "type": "string",
                    "format": "hostname"
                }
            ]
        }
    }
}