package rtp

type Packet struct {
	Version        uint8
	Padding        bool
	Extension      bool
	Marker         bool
	PayloadType    uint8
	SequenceNumber uint16
	Timestamp      uint32
	SSRC           uint32
	CSRC           []uint32
	Payload        []byte
}

const (
	headerLength                 = 4
	versionShift                 = 6
	versionMask                  = 0x3
	paddingShift                 = 5
	paddingMask                  = 0x1
	extensionShift               = 4
	extensionMask                = 0x1
	ccMask                       = 0xF
	markerShift                  = 7
	markerMask                   = 0x1
	ptMask                       = 0x7F
	seqNumOffset                 = 2
	seqNumLength                 = 2
	timestampOffset              = 4
	timestampLength              = 4
	ssrcOffset                   = 8
	ssrcLength                   = 4
	csrcOffset                   = 12
	csrcLength                   = 4
	extensionHeaderIdLength      = 2
	extensionLengthFieldLength   = 2
	extensionHeaderAssumedLength = 4
)