= true = false = = 1.1 = "av01.00.04.08" = "av01.00.04.10" = "av01.00.05.08" = "av01.00.05.10" = "av01.01.04.08" = "av01.01.04.10" = "av01.01.05.08" = "av01.01.05.10" = "vp8" = "vp09.00.10.08" = "vp09.00.10.10" = "vp09.00.10.12" = "vp09.01.10.08" = "vp09.01.10.10" = "vp09.01.10.12" = "vp09.02.10.08" = "vp09.02.10.10" = "vp09.02.10.12" = "hev1.1.6.L120.90" = "hvc1.1.6.L120.90" = "hev1.1.6.L120.91" = "hvc1.1.6.L120.91" = "flac" = "mp3" = "mp4a.40" = "mp4a.41" = "opus" = "vorbis" = "ulaw" = "alaw" = "pcm-f32le" = "pcm-s16le"