{
    "sub": "text/plain",
    "stl": "text/plain",
    "dfxp": "text/plain",
    "ttml": "text/plain",
    "sbv": "text/plain",
    "ass": "text/plain",
    "srt": "text/plain",
    "vtt": "text/plain",
    "aac": "audio/aac",
    "asf": "video/x-ms-asf",
    "avi": "video/x-msvideo",
    "dv": "video/x-dv",
    "f4a": "audio/mp4",
    "f4b": "audio/mp4",
    "f4p": "video/mp4",
    "f4v": "video/mp4",
    "flv": "video/x-flv",
    "h264": "video/h264",
    "m2ts": "video/mp2t",
    "m4a": "audio/mp4",
    "m4f": "video/iso.segment",
    "m4s": "video/iso.segment",
    "m4v": "video/x-m4v",
    "mkv": "video/x-matroska",
    "mov": "video/quicktime",
    "mp2": "video/mpeg",
    "mp3": "audio/mpeg",
    "mp4": "video/mp4",
    "mpeg": "video/mpeg",
    "mpg": "video/mpeg",
    "mts": "video/mp2t",
    "mxf": "application/mxf",
    "oga": "audio/ogg",
    "ogv": "video/ogg",
    "rm": "application/vndrn-realmedia",
    "rmvb": "application/vndrn-realmedia-vbr",
    "ts": "video/mp2t",
    "vob": "video/dvd",
    "webm": "video/webm",
    "wmv": "video/x-ms-wmv"
}