{
  "type": "rtmp",
  "filename": "rtmp://127.0.0.1:1935/live/preview",
  "video_codec": "h264_nvenc",
  "profile": "baseline",
  "level": "5.1",
  "bitrate_mode": "VBR",
  "preset": "ll",
  "bitrate": 5000,
  "gop": 10,
  "fps": 30,
  "num_slice": 0,
  "downsampling_factor": 2,
  "audio_codec": "aac",
  "sample_format": "flt",
  "sampling_rate": 44100,
  "audio_bitrate": 384,
  "ambisonic_audio_bitrate": 512
}
