voicemeeter-connector/dist/index.modern.mjs.map

A Connector to use the Voicemeeter API

{"version":3,"file":"index.modern.mjs","sources":["../src/lib/constants.ts","../src/lib/dll-handler.ts","../src/lib/voicemeeter-connector.ts","../src/index.ts"],"sourcesContent":["export const InterfaceTypes = {\r\n    strip: 0,\r\n    bus: 1,\r\n};\r\n\r\nexport enum StripProperties {\r\n    Mono = \"Mono\",\r\n    Mute = \"Mute\",\r\n    Solo = \"Solo\",\r\n    MC = \"MC\",\r\n    Gain = \"Gain\",\r\n    Pan_x = \"Pan_x\",\r\n    Pan_y = \"Pan_y\",\r\n    Color_x = \"Color_x\",\r\n    Color_y = \"Color_y\",\r\n    fx_x = \"fx_x\",\r\n    fx_y = \"fx_y\",\r\n    Audibility = \"Audibility\",\r\n    Comp = \"Comp\",\r\n    Gate = \"Gate\",\r\n    EqGain1 = \"EqGain1\",\r\n    EqGain2 = \"EqGain2\",\r\n    EqGain3 = \"EqGain3\",\r\n    Label = \"Label\",\r\n    A1 = \"A1\",\r\n    A2 = \"A2\",\r\n    A3 = \"A3\",\r\n    A4 = \"A4\",\r\n    A5 = \"A5\",\r\n    B1 = \"B1\",\r\n    B2 = \"B2\",\r\n    B3 = \"B3\",\r\n    FadeTo = \"FadeTo\",\r\n}\r\nexport enum BusProperties {\r\n    Mono = \"Mono\",\r\n    Mute = \"Mute\",\r\n    EQ = \"EQ.on\",\r\n    Gain = \"Gain\",\r\n    NormalMode = \"mode.normal\",\r\n    AmixMode = \"mode.Amix\",\r\n    BmixMode = \"mode.Bmix\",\r\n    RepeatMode = \"mode.Repeat\",\r\n    CompositeMode = \"mode.Composite\",\r\n    FadeTo = \"FadeTo\",\r\n    Label = \"Label\",\r\n}\r\n\r\nexport enum MacroButtonModes {\r\n    DEFAULT = 0x00_00_00_00,\r\n    STATEONLY = 0x00_00_00_02,\r\n    TRIGGER = 0x00_00_00_03,\r\n    COLOR = 0x00_00_00_04,\r\n}\r\n","import Registry from \"winreg\";\r\n\r\nconst DLLHandler = {\r\n    getDLLPath: async (): Promise<any> => {\r\n        const regKey = new Registry({\r\n            hive: Registry.HKLM,\r\n            key: String.raw`\\SOFTWARE\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\VB:Voicemeeter {17359A74-1236-5467}`,\r\n        });\r\n        return new Promise((resolve) => {\r\n            regKey.values((err: any, items: any) => {\r\n                if (err) {\r\n                    throw new Error(err);\r\n                }\r\n                const unistallerPath = items.find((i: any) => i.name === \"UninstallString\").value;\r\n                const fileNameIndex = unistallerPath.lastIndexOf(\"\\\\\");\r\n                resolve(unistallerPath.slice(0, fileNameIndex));\r\n            });\r\n        });\r\n    },\r\n};\r\n\r\nexport default DLLHandler;\r\n","/* eslint-disable no-control-regex */\r\nimport koffi from \"koffi\";\r\n\r\nimport { Device, VMLibrary, VoiceMeeterTypes } from \"../types/voicemeeter-types\";\r\nimport { BusProperties, MacroButtonModes, StripProperties } from \"./constants\";\r\nimport DLLHandler from \"./dll-handler\";\r\n\r\n/**\r\n * @ignore\r\n */\r\nlet libVM: VMLibrary;\r\n/**\r\n * @ignore\r\n */\r\nlet instance: Voicemeeter;\r\n\r\nexport default class Voicemeeter {\r\n    /**\r\n     * Initializes the voice meeter dll connection.\r\n     * This call is neccessary to use the api. It returns a promise with a VoiceMeeter instance\r\n     */\r\n    static init = async (): Promise<Voicemeeter> => {\r\n        const dllPath = await DLLHandler.getDLLPath();\r\n\r\n        return new Promise((resolve: (instance: Voicemeeter) => any) => {\r\n            if (!instance) {\r\n                instance = new Voicemeeter();\r\n            }\r\n            const lib = koffi.load(`${dllPath}/VoicemeeterRemote64.dll`);\r\n            libVM = {\r\n                VBVMR_Login: lib.func(\"long __stdcall VBVMR_Login(void)\"),\r\n                VBVMR_Logout: lib.func(\"long __stdcall VBVMR_Logout(void)\"),\r\n                VBVMR_RunVoicemeeter: lib.func(\"long __stdcall VBVMR_RunVoicemeeter(long mode)\"),\r\n                VBVMR_IsParametersDirty: lib.func(\"long __stdcall VBVMR_IsParametersDirty(void)\"),\r\n                VBVMR_GetLevel: lib.func(\"long __stdcall VBVMR_GetLevel(long type, long channel, _Out_ float* value)\"),\r\n                VBVMR_GetParameterFloat: lib.func(\"long __stdcall VBVMR_GetParameterFloat(const char* param, _Out_ float* value)\"),\r\n                VBVMR_GetParameterStringA: lib.func(\"long __stdcall VBVMR_GetParameterStringA(const char* param, _Out_ char* value)\"),\r\n                VBVMR_SetParameters: lib.func(\"long __stdcall VBVMR_SetParameters(const char* param)\"),\r\n                VBVMR_Output_GetDeviceNumber: lib.func(\"long __stdcall VBVMR_Output_GetDeviceNumber(void)\"),\r\n                VBVMR_Output_GetDeviceDescA: lib.func(\r\n                    \"long __stdcall VBVMR_Output_GetDeviceDescA(long index, _Out_ long* type, _Out_ char* name, _Out_ char* hardwareId)\"\r\n                ),\r\n                VBVMR_Input_GetDeviceNumber: lib.func(\"long __stdcall VBVMR_Input_GetDeviceNumber(void)\"),\r\n                VBVMR_Input_GetDeviceDescA: lib.func(\r\n                    \"long __stdcall VBVMR_Input_GetDeviceDescA(long index, long* type, char* name, char* hardwareId)\"\r\n                ),\r\n                VBVMR_GetVoicemeeterType: lib.func(\"long __stdcall VBVMR_GetVoicemeeterType(_Out_ long* type)\"),\r\n                VBVMR_GetVoicemeeterVersion: lib.func(\"long __stdcall VBVMR_GetVoicemeeterVersion(_Out_ long* version)\"),\r\n                VBVMR_MacroButton_IsDirty: lib.func(\"long __stdcall VBVMR_MacroButton_IsDirty(void)\"),\r\n                VBVMR_MacroButton_GetStatus: lib.func(\r\n                    \"long __stdcall VBVMR_MacroButton_GetStatus(long nuLogicalButton, _Out_ float* pValue, long bitmode)\"\r\n                ),\r\n                VBVMR_MacroButton_SetStatus: lib.func(\r\n                    \"long __stdcall VBVMR_MacroButton_SetStatus(long nuLogicalButton, float fValue, long bitmode)\"\r\n                ),\r\n            };\r\n\r\n            instance.isInitialised = true;\r\n            resolve(instance);\r\n        });\r\n    };\r\n\r\n    private isInitialised = false;\r\n    private isConnected = false;\r\n    private outputDevices: Device[] = [];\r\n    private inputDevices: Device[] = [];\r\n    private version = \"\";\r\n    private type: VoiceMeeterTypes;\r\n    private eventPool = [] as Array<() => void>;\r\n    private stringParameters = [\"Label\", \"FadeTo\", \"FadeBy\", \"AppGain\", \"AppMute\", \"name\", \"ip\"];\r\n    private timerInterval: NodeJS.Timeout;\r\n\r\n    /**\r\n     * Starts a connection to VoiceMeeter\r\n     */\r\n    public connect = (): { success: boolean; message: string; code: number } | never => {\r\n        if (!this.isInitialised) {\r\n            throw new Error(\"Await the initialisation before connect\");\r\n        }\r\n        if (this.isConnected) {\r\n            // If already connected, still return success status instead of throwing\r\n            return { success: true, message: \"Already connected.\", code: 0 };\r\n        }\r\n\r\n        const loginResult = libVM.VBVMR_Login();\r\n\r\n        switch (loginResult) {\r\n            case 0: {\r\n                // Complete success, Voicemeeter is running\r\n                this.isConnected = true;\r\n                this.type = this.getVoicemeeterType();\r\n                this.version = this.getVoicemeeterVersion();\r\n                this.timerInterval = setInterval(this.checkPropertyChange, 10);\r\n                return { success: true, message: \"Successfully connected to VoiceMeeter (VM Running).\", code: 0 };\r\n            }\r\n            case 1: {\r\n                // Connected successfully but Voicemeeter application is not running\r\n                // Pipe is established, can wait for VM to start\r\n                this.isConnected = true;\r\n                this.type = undefined;\r\n                this.version = \"Unknown\";\r\n                this.timerInterval = setInterval(this.checkPropertyChange, 10);\r\n                return { success: true, message: \"Connected to VoiceMeeter API (VM App Not Running).\", code: 1 };\r\n            }\r\n            case -1: {\r\n                // Failed to get client (unexpected error) - throw error\r\n                this.isConnected = false;\r\n                throw new Error(\"VoiceMeeter connection failed: Unable to get client (Unexpected error -1).\");\r\n            }\r\n            case -2: {\r\n                // Unexpected login (logout should have been executed first) - throw error\r\n                this.isConnected = false;\r\n                throw new Error(\"VoiceMeeter connection failed: Unexpected login (Expected logout first -2).\");\r\n            }\r\n            default: {\r\n                // Unknown return value - throw error\r\n                this.isConnected = false;\r\n                throw new Error(`VoiceMeeter connection failed with unknown error code: ${loginResult}.`);\r\n            }\r\n        }\r\n    };\r\n\r\n    /**\r\n     * Getter $outputDevices\r\n     * @return {Device[] }\r\n     */\r\n    public get $outputDevices(): Device[] {\r\n        return this.outputDevices;\r\n    }\r\n\r\n    /**\r\n     * Getter $inputDevices\r\n     * @return {Device[] }\r\n     */\r\n    public get $inputDevices(): Device[] {\r\n        return this.inputDevices;\r\n    }\r\n\r\n    /**\r\n     * Getter $version\r\n     * @return {string }\r\n     */\r\n    public get $version(): string {\r\n        return this.version;\r\n    }\r\n\r\n    /**\r\n     * Getter $type\r\n     * @return {VoiceMeeterTypes}\r\n     */\r\n    public get $type(): VoiceMeeterTypes {\r\n        return this.type;\r\n    }\r\n\r\n    /**\r\n     * Terminates the connection to VoiceMeeter\r\n     */\r\n    public disconnect = () => {\r\n        if (!this.isConnected) {\r\n            throw new Error(\"Not connected \");\r\n        }\r\n        try {\r\n            if (libVM.VBVMR_Logout() === 0) {\r\n                clearInterval(this.timerInterval);\r\n                this.isConnected = false;\r\n                return;\r\n            }\r\n            throw new Error(\"Disconnect failed\");\r\n        } catch {\r\n            throw new Error(\"Disconnect failed\");\r\n        }\r\n    };\r\n\r\n    /**\r\n     * Updates all input and ouput devices\r\n     */\r\n    public updateDeviceList = () => {\r\n        if (!this.isConnected) {\r\n            throw new Error(\"Not connected \");\r\n        }\r\n        this.outputDevices = [];\r\n        this.inputDevices = [];\r\n        const outputDeviceNumber = libVM.VBVMR_Output_GetDeviceNumber();\r\n        for (let i = 0; i < outputDeviceNumber; i++) {\r\n            const hardwareIdPtr = Buffer.alloc(256);\r\n            const namePtr = Buffer.alloc(256);\r\n            const typePtr = [0];\r\n\r\n            libVM.VBVMR_Output_GetDeviceDescA(i, typePtr, namePtr, hardwareIdPtr);\r\n            this.outputDevices.push({\r\n                name: namePtr.toString().replaceAll(/\\u0000+$/g, \"\"),\r\n                hardwareId: hardwareIdPtr.toString().replaceAll(/\\u0000+$/g, \"\"),\r\n                type: typePtr[0],\r\n            });\r\n        }\r\n\r\n        const inputDeviceNumber = libVM.VBVMR_Input_GetDeviceNumber();\r\n        for (let i = 0; i < inputDeviceNumber; i++) {\r\n            const hardwareIdPtr = Buffer.alloc(256);\r\n            const namePtr = Buffer.alloc(256);\r\n            const typePtr = [0];\r\n\r\n            libVM.VBVMR_Input_GetDeviceDescA(i, typePtr, namePtr, hardwareIdPtr);\r\n            this.inputDevices.push({\r\n                name: namePtr.toString().replaceAll(/\\u0000+$/g, \"\"),\r\n                hardwareId: hardwareIdPtr.toString().replaceAll(/\\u0000+$/g, \"\"),\r\n                type: typePtr[0],\r\n            });\r\n        }\r\n    };\r\n\r\n    /**\r\n     * Returns wheter a parameter has been changed\r\n     */\r\n    public isParametersDirty = () => {\r\n        return libVM.VBVMR_IsParametersDirty();\r\n    };\r\n\r\n    /**\r\n     * Gets a bus parameter.\r\n     * @param  {number} index Index of the bus\r\n     * @param  {BusProperties} property Property which should be get\r\n     */\r\n\r\n    public getBusParameter = (index: number, property: BusProperties) => {\r\n        return this.getParameter(\"Bus\", index, property);\r\n    };\r\n\r\n    /**\r\n     * Gets a strip parameter\r\n     * @param  {number} index Index of the strip\r\n     * @param  {StripProperties} property Property which should be get\r\n     */\r\n    public getStripParameter = (index: number, property: StripProperties) => {\r\n        return this.getParameter(\"Strip\", index, property);\r\n    };\r\n\r\n    /**\r\n     * Sets a parameter of a strip.\r\n     * @param  {number} index Strip number\r\n     * @param  {StripProperties} property Propertyname which should be changed\r\n     * @param  {any} value Property value\r\n     */\r\n    public setStripParameter = (index: number, property: StripProperties, value: any) => {\r\n        return this.setParameter(\"Strip\", index, property, value);\r\n    };\r\n\r\n    /**\r\n     * Sets a parameter of a bus.\r\n     * @param  {number} index Bus number\r\n     * @param  {StripProperties} property Propertyname which should be changed\r\n     * @param  {any} value Property value\r\n     */\r\n    public setBusParameter = (index: number, property: BusProperties, value: any) => {\r\n        return this.setParameter(\"Bus\", index, property, value);\r\n    };\r\n\r\n    /**\r\n     * @param  {()=>any} fn Function which should be called if something changes\r\n     */\r\n    public attachChangeEvent = (fn: () => any) => {\r\n        this.eventPool.push(fn);\r\n    };\r\n    /**\r\n     * @param parameterName Name of the parameter that should be get\r\n     * @returns {any} Parameter value\r\n     */\r\n    public getOption = (parameterName: string) => {\r\n        if (!this.isConnected) {\r\n            throw new Error(\"Not correct connected \");\r\n        }\r\n        // Some parameters return string values and require some post-processing, this checks for those parameters\r\n        if (this.stringParameters.some((str) => parameterName.includes(str))) {\r\n            const strPtr = Buffer.alloc(512);\r\n            libVM.VBVMR_GetParameterStringA(parameterName, strPtr);\r\n            return [...String.fromCharCode.apply(null, strPtr)]\r\n                .filter((e: string) => {\r\n                    return e !== \"\\0\";\r\n                })\r\n                .join(\"\");\r\n        }\r\n        const valuePtr = [0];\r\n        libVM.VBVMR_GetParameterFloat(parameterName, valuePtr);\r\n        return valuePtr[0];\r\n    };\r\n    /**\r\n     * Sets an option.\r\n     * @param {string} option Option to set\r\n     */\r\n    public setOption = (option: string) => {\r\n        const script = Buffer.alloc(option.length + 1);\r\n        script.fill(0).write(option);\r\n        libVM.VBVMR_SetParameters(script);\r\n        return new Promise((resolve) => {\r\n            setTimeout(resolve, 200);\r\n        });\r\n    };\r\n\r\n    /**\r\n     * Checks if any macro button has unsaved changes\r\n     */\r\n    public isMacroButtonDirty = () => {\r\n        return libVM.VBVMR_MacroButton_IsDirty();\r\n    };\r\n\r\n    /**\r\n     * Gets the status of a specific macro button\r\n     * @param {number} buttonIndex - The index of the macro button\r\n     * @param {number} [bitmode=0] - Bit mode parameter (optional, defaults to MacroButtonModes.DEFAULT)\r\n     * @returns {number} The current status value of the macro button\r\n     * @throws {Error} Throws an error if failed to get the button status\r\n     */\r\n    public getMacroButtonStatus = (buttonIndex: number, bitmode: number = MacroButtonModes.DEFAULT): number => {\r\n        const valuePtr = [0];\r\n        const result = libVM.VBVMR_MacroButton_GetStatus(buttonIndex, valuePtr, bitmode);\r\n        if (result === 0) {\r\n            return valuePtr[0];\r\n        }\r\n        throw new Error(`Failed to get macro button ${buttonIndex} status`);\r\n    };\r\n\r\n    /**\r\n     * Sets the status of a specific macro button\r\n     * @param {number} buttonIndex - The index of the macro button\r\n     * @param {number} value - The status value to set\r\n     * @param {number} [bitmode=0] - Bit mode parameter (optional, defaults to MacroButtonModes.DEFAULT)\r\n     * @throws {Error} Throws an error if failed to set the button status\r\n     */\r\n    public setMacroButtonStatus = (buttonIndex: number, value: number, bitmode: number = MacroButtonModes.DEFAULT): void => {\r\n        const result = libVM.VBVMR_MacroButton_SetStatus(buttonIndex, value, bitmode);\r\n        if (result !== 0) {\r\n            throw new Error(`Failed to set macro button ${buttonIndex} status`);\r\n        }\r\n    };\r\n\r\n    /**\r\n     * Checks whether properties has been changed and calls all event listeners\r\n     */\r\n    private checkPropertyChange = () => {\r\n        let hasChanges = false;\r\n\r\n        if (this.isParametersDirty() === 1) {\r\n            hasChanges = true;\r\n        }\r\n\r\n        if (this.isMacroButtonDirty() === 1) {\r\n            hasChanges = true;\r\n        }\r\n\r\n        if (hasChanges) {\r\n            for (const eventListener of this.eventPool) {\r\n                eventListener();\r\n            }\r\n        }\r\n    };\r\n\r\n    /**\r\n     * Gets installed voicemeeter type.\r\n     * Means Voicemeeter(normal,banana,potato)\r\n     */\r\n    private getVoicemeeterType = (): VoiceMeeterTypes => {\r\n        const typePtr = [0];\r\n        if (libVM.VBVMR_GetVoicemeeterType(typePtr) !== 0) {\r\n            throw new Error(\"running failed\");\r\n        }\r\n\r\n        switch (typePtr[0]) {\r\n            case 1: {\r\n                // Voicemeeter\r\n                return \"voicemeeter\";\r\n            }\r\n            case 2: {\r\n                // Voicemeeter Banana\r\n                return \"voicemeeterBanana\";\r\n            }\r\n            case 3: {\r\n                // Voicemeeter Potato\r\n                return \"voicemeeterPotato\";\r\n            }\r\n            default: {\r\n                throw new Error(\"Voicemeeter seems not to be installed\");\r\n            }\r\n        }\r\n    };\r\n\r\n    /**\r\n     * Returns the installed voicemeeter version\r\n     */\r\n    private getVoicemeeterVersion = () => {\r\n        const versionPtr = [0];\r\n        if (libVM.VBVMR_GetVoicemeeterVersion(versionPtr) !== 0) {\r\n            throw new Error(\"running failed\");\r\n        }\r\n        // For info on this see: https://github.com/mirror/equalizerapo/blob/53d885f7f1a097b457e17a5206b7d60f647877a8/VoicemeeterClient/VoicemeeterRemote.h#L122-L135\r\n        const version =\r\n            `${(versionPtr[0] & 0xff_00_00_00) >> 24}` +\r\n            `.${(versionPtr[0] & 0x00_ff_00_00) >> 16}` +\r\n            `.${(versionPtr[0] & 0x00_00_ff_00) >> 8}` +\r\n            `.${versionPtr[0] & 0x00_00_00_ff}`;\r\n        return version;\r\n    };\r\n\r\n    /**\r\n     * Gets a parameter of voicemeeter\r\n     * @param  {'Strip'|'Bus'} selector Strip or Bus\r\n     * @param  {number} index Number of strip or bus\r\n     * @param  {StripProperties|BusProperties} property Property which should be read\r\n     */\r\n    private getParameter = (selector: \"Strip\" | \"Bus\", index: number, property: StripProperties | BusProperties) => {\r\n        const parameterName = `${selector}[${index}].${property}`;\r\n        return this.getOption(parameterName);\r\n    };\r\n\r\n    /**\r\n     * Sets a parameter of a bus or Strip\r\n     * @param  {'Strip'|'Bus'} selector\r\n     * @param  {number} index Number of strip or bus\r\n     * @param  {StripProperties|BusProperties} property Propertyname which should be changed\r\n     * @param  {any} value Property value\r\n     */\r\n    private setParameter = (\r\n        selector: \"Strip\" | \"Bus\",\r\n        index: number,\r\n        property: StripProperties | BusProperties,\r\n        value: any\r\n    ): Promise<any> => {\r\n        if (!this.isConnected) {\r\n            throw new Error(\"Not connected \");\r\n        }\r\n        const scriptString = `${selector}[${index}].${property}=${value};`;\r\n        return this.setOption(scriptString);\r\n    };\r\n    /**\r\n     * Gets realtime audio level see the VoicemeeterRemote API: [VoicemeeterRemote.h GetLevel](https://github.com/mirror/equalizerapo/blob/7aece1b788fce5aa11873f3842a0d01f7c78454b/VoicemeeterClient/VoicemeeterRemote.h#L284),\r\n     * for more details about the parameters\r\n     * @param {0|1|2|3} type 0 = pre fader input levels. 1 = post fader input levels. 2= post Mute input levels. 3= output levels\r\n     * @param channel audio channel zero based index\r\n     * @returns {float} Current audio level\r\n     */\r\n    public getLevel = (type: 0 | 1 | 2 | 3, channel: number) => {\r\n        const levelPtr = [0];\r\n        libVM.VBVMR_GetLevel(type, channel, levelPtr);\r\n        return levelPtr[0];\r\n    };\r\n}\r\n","import * as constants from \"./lib/constants\";\r\n\r\nconst { BusProperties, InterfaceTypes, StripProperties, MacroButtonModes } = constants;\r\n\r\nexport { BusProperties, InterfaceTypes, MacroButtonModes, StripProperties };\r\n\r\nexport { default as Voicemeeter } from \"./lib/voicemeeter-connector\";\r\nexport * as types from 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