StreamMuxConfig
class StreamMuxConfig(audioMuxVersion: Int = 0, val audioMuxVersionA: Int = 0, val allStreamsSameTimeFraming: Boolean? = null, numSubFrames: Int? = null, numProgram: Int? = null, numLayer: Int? = null, audioSpecificConfig: BitBuffer? = null, frameLengthType: Int? = null) : BitBufferWriter