Function ensureFfmpeg

apps/sim/lib/media/ffmpeg.ts:16–45

Lazy FFmpeg binary resolution (ffmpeg-static, then system), mirroring lib/audio/extractor.ts.

()

/** Lazy FFmpeg binary resolution (ffmpeg-static, then system), mirroring lib/audio/extractor.ts. */
function ensureFfmpeg(): void {
  if (ffmpegInitialized) {
    if (!ffmpegPath) {
      throw new Error(
        'FFmpeg not found. Install: brew install ffmpeg (macOS) / apk add ffmpeg (Alpine) / apt-get install ffmpeg (Ubuntu)'
      )
    }
    return
  }
  ffmpegInitialized = true

  if (ffmpegStatic && typeof ffmpegStatic === 'string') {
    try {
      fsSync.accessSync(ffmpegStatic, fsSync.constants.X_OK)
      ffmpegPath = ffmpegStatic
      ffmpeg.setFfmpegPath(ffmpegPath)
      return
    } catch {
      // fall through to system ffmpeg
    }
  }

  try {
    const cmd = process.platform === 'win32' ? 'where ffmpeg' : 'which ffmpeg'
    ffmpegPath = execSync(cmd, { encoding: 'utf-8' }).trim().split('\n')[0]
    ffmpeg.setFfmpegPath(ffmpegPath)
  } catch {
    logger.warn('[FFmpeg] No FFmpeg binary found at init time')
  }
}

export type FfmpegOperation =
  | 'overlay_audio'