var formatMuxers = map[string]bool{
"3g2": true,
"3gp": true,
"a64": true,
"ac3": true,
"adts": true,
"adx": true,
"aiff": true,
"alaw": true,
"amr": true,
"asf": true,
"asf_stream": true,
"ass": true,
"ast": true,
"au": true,
"avi": true,
"avm2": true,
"bit": true,
"caf": true,
"cavsvideo": true,
"crc": true,
"data": true,
"daud": true,
"dirac": true,
"dnxhd": true,
"dts": true,
"dv": true,
"dvd": true,
"eac3": true,
"f32be": true,
"f32le": true,
"f4v": true,
"f64be": true,
"f64le": true,
"ffm": true,
"ffmetadata": true,
"filmstrip": true,
"flac": true,
"flv": true,
"framecrc": true,
"framemd5": true,
"g722": true,
"g723_1": true,
"gif": true,
"gxf": true,
"h261": true,
"h263": true,
"h264": true,
"hls": true,
"ico": true,
"ilbc": true,
"image2": true,
"image2pipe": true,
"ipod": true,
"ircam": true,
"ismv": true,
"ivf": true,
"jacosub": true,
"latm": true,
"m4v": true,
"matroska": true,
"md5": true,
"microdvd": true,
"mjpeg": true,
"mkvtimestamp_v2": true,
"mlp": true,
"mmf": true,
"mov": true,
"mp2": true,
"mp3": true,
"mp4": true,
"mpeg": true,
"mpeg1video": true,
"mpeg2video": true,
"mpegts": true,
"mpjpeg": true,
"mulaw": true,
"mxf": true,
"mxf_d10": true,
"null": true,
"nut": true,
"ogg": true,
"oma": true,
"psp": true,
"rawvideo": true,
"rm": true,
"roq": true,
"rso": true,
"rtp": true,
"rtsp": true,
"s16be": true,
"s16le": true,
"s24be": true,
"s24le": true,
"s32be": true,
"s32le": true,
"s8": true,
"sap": true,
"segment": true,
"smjpeg": true,
"smoothstreaming": true,
"sox": true,
"spdif": true,
"srt": true,
"stream_segment": true,
"ssegment": true,
"svcd": true,
"swf": true,
"tee": true,
"truehd": true,
"u16be": true,
"u16le": true,
"u24be": true,
"u24le": true,
"u32be": true,
"u32le": true,
"u8": true,
"vc1": true,
"vc1test": true,
"vcd": true,
"vob": true,
"voc": true,
"w64": true,
"wav": true,
"webm": true,
"webvtt": true,
"wtv": true,
"wv": true,
"yuv4mpegpipe": true,
}
