{
    "writesubtitles": true,
    "subtitleslangs": [
        "all",
        "-live_chat"
    ],
    "subtitlesformat": "ass/srt/best",
    "postprocessors": [
        {
            "key": "FFmpegEmbedSubtitle"
        },
        {
            "key": "FFmpegMetadata"
        }
    ],
    "format": "(bv*[vcodec~='^((he|a)vc|h26[45])']+ba) / (bv*+ba/b)",
    "merge_output_format": "mkv"
}