"use strict"; var __defProp = Object.defineProperty; var __getOwnPropDesc = Object.getOwnPropertyDescriptor; var __getOwnPropNames = Object.getOwnPropertyNames; var __hasOwnProp = Object.prototype.hasOwnProperty; var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value; var __name = (target, value) => __defProp(target, "name", { value, configurable: true }); var __export = (target, all) => { for (var name in all) __defProp(target, name, { get: all[name], enumerable: true }); }; var __copyProps = (to, from, except, desc) => { if (from && typeof from === "object" || typeof from === "function") { for (let key of __getOwnPropNames(from)) if (!__hasOwnProp.call(to, key) && key !== except) __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable }); } return to; }; var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod); var __publicField = (obj, key, value) => __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value); // src/index.ts var src_exports = {}; __export(src_exports, { FFmpeg: () => FFmpeg, changeFFmpegFlags: () => changeFFmpegFlags, createFFmpegArgs: () => createFFmpegArgs, version: () => version }); module.exports = __toCommonJS(src_exports); // src/FFmpeg.ts var import_node_child_process = require("child_process"); var import_node_stream = require("stream"); var VERSION_REGEX = /version (.+) Copyright/im; var validatePathParam = /* @__PURE__ */ __name((path, displayName) => { if (!path) throw new Error(`Failed to resolve ${displayName}`); return path; }, "validatePathParam"); var _FFmpeg = class _FFmpeg extends import_node_stream.Duplex { /** * Create FFmpeg duplex stream * @param options Options to initialize ffmpeg * @example ```typescript * const ffmpeg = new FFmpeg({ * args: [ * '-analyzeduration', '0', * '-loglevel', '0', * '-f', 's16le', * '-ar', '48000', * '-ac', '2', * '-af', 'bass=g=10,acompressor' * ] * }); * * const pcm = input.pipe(ffmpeg); * * pcm.pipe(fs.createWriteStream('./audio.pcm')); * ``` */ constructor(options = {}) { super(options); /** * Current FFmpeg process */ __publicField(this, "process"); this.process = _FFmpeg.spawn(options); const EVENTS = { readable: this._reader, data: this._reader, end: this._reader, unpipe: this._reader, finish: this._writer, drain: this._writer }; this._readableState = this._reader._readableState; this._writableState = this._writer._writableState; this._copy(["write", "end"], this._writer); this._copy(["read", "setEncoding", "pipe", "unpipe"], this._reader); for (const method of [ "on", "once", "removeListener", "removeAllListeners", "listeners" ]) { this[method] = (ev, fn) => ( // @ts-expect-error EVENTS[ev] ? ( // @ts-expect-error EVENTS[ev][method](ev, fn) ) : ( // @ts-expect-error import_node_stream.Duplex.prototype[method].call(this, ev, fn) ) ); } const processError = /* @__PURE__ */ __name((error) => this.emit("error", error), "processError"); this._reader.on("error", processError); this._writer.on("error", processError); } /** * Checks if FFmpeg is loaded. */ static isLoaded() { return _FFmpeg.cached != null; } /** * Adds a new FFmpeg source. * @param source FFmpeg source */ static addSource(source) { if (_FFmpeg.sources.some((s) => s.name === source.name)) return false; _FFmpeg.sources.push(source); return true; } /** * Removes a FFmpeg source. * @param source FFmpeg source */ static removeSource(source) { const index = _FFmpeg.sources.findIndex((s) => s.name === source.name); if (index === -1) return false; _FFmpeg.sources.splice(index, 1); return true; } /** * Resolves FFmpeg path. Throws an error if it fails to resolve. * @param force if it should relocate the command */ static resolve(force = false) { if (!force && _FFmpeg.cached) return _FFmpeg.cached; const errors = []; for (const source of _FFmpeg.sources) { try { let path; if (source.module) { const mod = require(source.name); path = validatePathParam( mod.default?.path || mod.path || mod, source.name ); } else { path = source.name; } const result = (0, import_node_child_process.spawnSync)(path, ["-v"], { windowsHide: true }); const resolved = { result: result.stdout.toString(), command: path, module: source.module, name: source.name, path, version: VERSION_REGEX.exec(result.stderr.toString())?.[1] ?? "unknown" }; _FFmpeg.cached = resolved; errors.length = 0; return resolved; } catch (e) { const err = e && e instanceof Error ? e.message : `${e}`; const msg = `Failed to load ffmpeg using ${source.module ? `require('${source.name}')` : `spawn('${source.name}')`}. Error: ${err}`; errors.push(msg); } } throw new Error(`Could not load ffmpeg. Errors: ${errors.join("\n")}`); } /** * Resolves FFmpeg path safely. Returns null if it fails to resolve. * @param force if it should relocate the command */ static resolveSafe(force = false) { try { return _FFmpeg.resolve(force); } catch { return null; } } /** * Spawns ffmpeg process * @param options Spawn options */ static spawn({ args = [], shell = false } = {}) { if (!args.includes("-i")) args.unshift("-i", "-"); return (0, import_node_child_process.spawn)(_FFmpeg.resolve().command, args.concat(["pipe:1"]), { windowsHide: true, shell }); } get _reader() { return this.process.stdout; } get _writer() { return this.process.stdin; } _copy(methods, target) { for (const method of methods) { this[method] = target[method].bind(target); } } _destroy(err, cb) { this._cleanup(); if (cb) return cb(err); } _final(cb) { this._cleanup(); cb(); } _cleanup() { if (this.process) { this.once("error", () => { }); this.process.kill("SIGKILL"); this.process = null; } } }; __name(_FFmpeg, "FFmpeg"); /** * Cached FFmpeg source. */ __publicField(_FFmpeg, "cached", null); /** * Supported FFmpeg sources. */ __publicField(_FFmpeg, "sources", [ // paths { name: "ffmpeg", module: false }, { name: "./ffmpeg", module: false }, { name: "avconv", module: false }, { name: "./avconv", module: false }, // modules { name: "ffmpeg-static", module: true }, { name: "@ffmpeg-installer/ffmpeg", module: true }, { name: "@node-ffmpeg/node-ffmpeg-installer", module: true }, { name: "ffmpeg-binaries", module: true } ]); var FFmpeg = _FFmpeg; // src/common.ts function changeFFmpegFlags(oldFlags, newFlags) { const updatedFlags = [...oldFlags]; for (let i = 0; i < newFlags.length; i++) { const key = newFlags[i]; const value = newFlags[i + 1]; const oldIndex = updatedFlags.indexOf(key); if (oldIndex !== -1) { if (value && !value.startsWith("-")) { updatedFlags[oldIndex + 1] = value; i++; } else { updatedFlags.splice(oldIndex, 1); } } else { if (value && !value.startsWith("-")) { updatedFlags.push(key, value); i++; } else { updatedFlags.push(key); } } } return updatedFlags; } __name(changeFFmpegFlags, "changeFFmpegFlags"); // src/version.ts var version = ( /* @__MACRO__ getVersion */ "7.2.0" ); // src/index.ts var createFFmpegArgs = /* @__PURE__ */ __name((input, post) => { const args = []; for (const [key, value] of Object.entries(input)) { if (value == null) continue; args.push(`-${key}`, String(value)); } if (post) { Array.isArray(post) ? args.push(...post) : args.push(post); } return args; }, "createFFmpegArgs"); // Annotate the CommonJS export names for ESM import in node: 0 && (module.exports = { FFmpeg, changeFFmpegFlags, createFFmpegArgs, version }); //# sourceMappingURL=data:application/json;base64,{
  "version": 3,
  "sources": ["../src/index.ts", "../src/FFmpeg.ts", "../src/common.ts", "../src/version.ts"],
  "sourcesContent": ["export * from './FFmpeg';\n\nexport type ArgPrimitive = string | number | null;\n\n/**\n * Create FFmpeg arguments from an object.\n * @param input The input object.\n * @param post Additional arguments to append.\n * @returns The FFmpeg arguments.\n * @example createFFmpegArgs({ i: 'input.mp3', af: ['bass=g=10','acompressor'] }, './out.mp3');\n * // => ['-i', 'input.mp3', '-af', 'bass=g=10,acompressor', './out.mp3']\n */\nexport const createFFmpegArgs = (\ninput: Record<string, ArgPrimitive | ArgPrimitive[]>,\npost?: string | string[])\n: string[] => {\n  const args = [];\n\n  for (const [key, value] of Object.entries(input)) {\n    if (value == null) continue;\n    args.push(`-${key}`, String(value));\n  }\n\n  if (post) {\n    Array.isArray(post) ? args.push(...post) : args.push(post);\n  }\n\n  return args;\n};\n\nexport * from './common';\nexport { version } from './version';", "import {\n  ChildProcessWithoutNullStreams,\n  spawn,\n  spawnSync } from\n'node:child_process';\nimport { Duplex, DuplexOptions } from 'node:stream';\nimport { FFmpegCallback, FFmpegSource, ResolvedFFmpegSource } from './common';\n\nexport interface FFmpegOptions extends DuplexOptions {\n  args?: string[];\n  shell?: boolean;\n}\n\nconst VERSION_REGEX = /version (.+) Copyright/im;\n\nconst validatePathParam = (path: string, displayName: string) => {\n  if (!path) throw new Error(`Failed to resolve ${displayName}`);\n  return path;\n};\n\nexport class FFmpeg extends Duplex {\n  /**\n   * Cached FFmpeg source.\n   */\n  private static cached: ResolvedFFmpegSource | null = null;\n  /**\n   * Supported FFmpeg sources.\n   */\n  public static sources: FFmpegSource[] = [\n  // paths\n  { name: 'ffmpeg', module: false },\n  { name: './ffmpeg', module: false },\n  { name: 'avconv', module: false },\n  { name: './avconv', module: false },\n  // modules\n  { name: 'ffmpeg-static', module: true },\n  { name: '@ffmpeg-installer/ffmpeg', module: true },\n  { name: '@node-ffmpeg/node-ffmpeg-installer', module: true },\n  { name: 'ffmpeg-binaries', module: true }];\n\n\n  /**\n   * Checks if FFmpeg is loaded.\n   */\n  public static isLoaded() {\n    return FFmpeg.cached != null;\n  }\n\n  /**\n   * Adds a new FFmpeg source.\n   * @param source FFmpeg source\n   */\n  public static addSource(source: FFmpegSource) {\n    if (FFmpeg.sources.some((s) => s.name === source.name)) return false;\n    FFmpeg.sources.push(source);\n    return true;\n  }\n\n  /**\n   * Removes a FFmpeg source.\n   * @param source FFmpeg source\n   */\n  public static removeSource(source: FFmpegSource) {\n    const index = FFmpeg.sources.findIndex((s) => s.name === source.name);\n    if (index === -1) return false;\n    FFmpeg.sources.splice(index, 1);\n    return true;\n  }\n\n  /**\n   * Resolves FFmpeg path. Throws an error if it fails to resolve.\n   * @param force if it should relocate the command\n   */\n  public static resolve(force = false) {\n    if (!force && FFmpeg.cached) return FFmpeg.cached;\n\n    const errors: string[] = [];\n\n    for (const source of FFmpeg.sources) {\n      try {\n        let path: string;\n\n        if (source.module) {\n          // eslint-disable-next-line @typescript-eslint/no-var-requires\n          const mod = require(source.name);\n          path = validatePathParam(\n            mod.default?.path || mod.path || mod,\n            source.name\n          );\n        } else {\n          path = source.name;\n        }\n\n        const result = spawnSync(path, ['-v'], { windowsHide: true });\n\n        const resolved: ResolvedFFmpegSource = {\n          result: result.stdout.toString(),\n          command: path,\n          module: source.module,\n          name: source.name,\n          path,\n          version:\n          VERSION_REGEX.exec(result.stderr.toString())?.[1] ?? 'unknown'\n        };\n\n        FFmpeg.cached = resolved;\n\n        errors.length = 0;\n\n        return resolved;\n      } catch (e) {\n        const err = e && e instanceof Error ? e.message : `${e}`;\n        const msg = `Failed to load ffmpeg using ${\n        source.module ?\n        `require('${source.name}')` :\n        `spawn('${source.name}')`}. Error: ${\n        err}`;\n\n        errors.push(msg);\n      }\n    }\n\n    throw new Error(`Could not load ffmpeg. Errors:\\n${errors.join('\\n')}`);\n  }\n\n  /**\n   * Resolves FFmpeg path safely. Returns null if it fails to resolve.\n   * @param force if it should relocate the command\n   */\n  public static resolveSafe(force = false) {\n    try {\n      return FFmpeg.resolve(force);\n    } catch {\n      return null;\n    }\n  }\n\n  /**\n   * Spawns ffmpeg process\n   * @param options Spawn options\n   */\n  public static spawn({ args = [] as string[], shell = false } = {}) {\n    if (!args.includes('-i')) args.unshift('-i', '-');\n    return spawn(FFmpeg.resolve().command, args.concat(['pipe:1']), {\n      windowsHide: true,\n      shell\n    });\n  }\n\n  /**\n   * Current FFmpeg process\n   */\n  public process: ChildProcessWithoutNullStreams;\n\n  /**\n   * Create FFmpeg duplex stream\n   * @param options Options to initialize ffmpeg\n   * @example ```typescript\n   * const ffmpeg = new FFmpeg({\n   *   args: [\n   *     '-analyzeduration', '0',\n   *     '-loglevel', '0',\n   *     '-f', 's16le',\n   *     '-ar', '48000',\n   *     '-ac', '2',\n   *     '-af', 'bass=g=10,acompressor'\n   *   ]\n   * });\n   *\n   * const pcm = input.pipe(ffmpeg);\n   *\n   * pcm.pipe(fs.createWriteStream('./audio.pcm'));\n   * ```\n   */\n  public constructor(options: FFmpegOptions = {}) {\n    super(options);\n\n    this.process = FFmpeg.spawn(options);\n\n    const EVENTS = {\n      readable: this._reader,\n      data: this._reader,\n      end: this._reader,\n      unpipe: this._reader,\n      finish: this._writer,\n      drain: this._writer\n    } as const;\n\n    // @ts-expect-error\n    this._readableState = this._reader._readableState;\n    // @ts-expect-error\n    this._writableState = this._writer._writableState;\n\n    this._copy(['write', 'end'], this._writer);\n    this._copy(['read', 'setEncoding', 'pipe', 'unpipe'], this._reader);\n\n    for (const method of [\n    'on',\n    'once',\n    'removeListener',\n    'removeAllListeners',\n    'listeners'] as\n    const) {\n      // @ts-expect-error\n      this[method] = (ev, fn) =>\n      // @ts-expect-error\n      EVENTS[ev] ?\n      // @ts-expect-error\n      EVENTS[ev][method](ev, fn) :\n      // @ts-expect-error\n      Duplex.prototype[method].call(this, ev, fn);\n    }\n\n    const processError = (error: Error) => this.emit('error', error);\n\n    this._reader.on('error', processError);\n    this._writer.on('error', processError);\n  }\n\n  get _reader() {\n    return this.process!.stdout;\n  }\n  get _writer() {\n    return this.process!.stdin;\n  }\n\n  private _copy(methods: string[], target: unknown) {\n    for (const method of methods) {\n      // @ts-expect-error\n      this[method] = target[method].bind(target);\n    }\n  }\n\n  public _destroy(err: Error | null, cb: FFmpegCallback<[Error | null]>) {\n    this._cleanup();\n    if (cb) return cb(err);\n  }\n\n  public _final(cb: FFmpegCallback<[]>) {\n    this._cleanup();\n    cb();\n  }\n\n  private _cleanup() {\n    if (this.process) {\n      this.once('error', () => {\n\n        //\n      });this.process.kill('SIGKILL');\n      this.process = null as unknown as ChildProcessWithoutNullStreams;\n    }\n  }\n}", "export type FFmpegLib =\n'ffmpeg' |\n'./ffmpeg' |\n'avconv' |\n'./avconv' |\n'ffmpeg-static' |\n'@ffmpeg-installer/ffmpeg' |\n'@node-ffmpeg/node-ffmpeg-installer' |\n'ffmpeg-binaries';\n\nexport type FFmpegCallback<Args extends Array<unknown>> = (\n...args: Args)\n=> unknown;\n\n/**\n * FFmpeg source configuration\n */\nexport interface FFmpegSource {\n  /** Name or path of the FFmpeg executable */\n  name: FFmpegLib;\n  /** Whether this source is a Node.js module */\n  module: boolean;\n}\n\nexport interface ResolvedFFmpegSource extends FFmpegSource {\n  path: string;\n  version: string;\n  command: string;\n  result: string;\n}\n\n/**\n * Compares and updates FFmpeg flags as needed\n * @param oldFlags The old flags\n * @param newFlags The new flags\n * @returns The updated flags\n */\nexport function changeFFmpegFlags(oldFlags: string[], newFlags: string[]) {\n  const updatedFlags = [...oldFlags];\n\n  for (let i = 0; i < newFlags.length; i++) {\n    const key = newFlags[i];\n    const value = newFlags[i + 1];\n\n    const oldIndex = updatedFlags.indexOf(key);\n\n    if (oldIndex !== -1) {\n      if (value && !value.startsWith('-')) {\n        updatedFlags[oldIndex + 1] = value;\n        i++;\n      } else {\n        updatedFlags.splice(oldIndex, 1);\n      }\n    } else {\n      if (value && !value.startsWith('-')) {\n        updatedFlags.push(key, value);\n        i++;\n      } else {\n        updatedFlags.push(key);\n      }\n    }\n  }\n\n  return updatedFlags;\n}", "\n\n\n\n\n\nexport const version = /* @__MACRO__ getVersion */\"7.2.0\";"],
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