86 lines
2.6 KiB
Go
86 lines
2.6 KiB
Go
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package webrtc
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// RTPTransceiverDirection indicates the direction of the RTPTransceiver.
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type RTPTransceiverDirection int
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const (
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// RTPTransceiverDirectionSendrecv indicates the RTPSender will offer
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// to send RTP and RTPReceiver the will offer to receive RTP.
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RTPTransceiverDirectionSendrecv RTPTransceiverDirection = iota + 1
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// RTPTransceiverDirectionSendonly indicates the RTPSender will offer
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// to send RTP.
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RTPTransceiverDirectionSendonly
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// RTPTransceiverDirectionRecvonly indicates the RTPReceiver the will
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// offer to receive RTP.
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RTPTransceiverDirectionRecvonly
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// RTPTransceiverDirectionInactive indicates the RTPSender won't offer
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// to send RTP and RTPReceiver the won't offer to receive RTP.
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RTPTransceiverDirectionInactive
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)
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// This is done this way because of a linter.
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const (
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rtpTransceiverDirectionSendrecvStr = "sendrecv"
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rtpTransceiverDirectionSendonlyStr = "sendonly"
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rtpTransceiverDirectionRecvonlyStr = "recvonly"
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rtpTransceiverDirectionInactiveStr = "inactive"
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)
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// NewRTPTransceiverDirection defines a procedure for creating a new
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// RTPTransceiverDirection from a raw string naming the transceiver direction.
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func NewRTPTransceiverDirection(raw string) RTPTransceiverDirection {
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switch raw {
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case rtpTransceiverDirectionSendrecvStr:
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return RTPTransceiverDirectionSendrecv
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case rtpTransceiverDirectionSendonlyStr:
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return RTPTransceiverDirectionSendonly
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case rtpTransceiverDirectionRecvonlyStr:
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return RTPTransceiverDirectionRecvonly
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case rtpTransceiverDirectionInactiveStr:
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return RTPTransceiverDirectionInactive
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default:
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return RTPTransceiverDirection(Unknown)
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}
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}
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func (t RTPTransceiverDirection) String() string {
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switch t {
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case RTPTransceiverDirectionSendrecv:
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return rtpTransceiverDirectionSendrecvStr
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case RTPTransceiverDirectionSendonly:
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return rtpTransceiverDirectionSendonlyStr
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case RTPTransceiverDirectionRecvonly:
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return rtpTransceiverDirectionRecvonlyStr
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case RTPTransceiverDirectionInactive:
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return rtpTransceiverDirectionInactiveStr
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default:
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return ErrUnknownType.Error()
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}
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}
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// Revers indicate the opposite direction
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func (t RTPTransceiverDirection) Revers() RTPTransceiverDirection {
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switch t {
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case RTPTransceiverDirectionSendonly:
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return RTPTransceiverDirectionRecvonly
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case RTPTransceiverDirectionRecvonly:
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return RTPTransceiverDirectionSendonly
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default:
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return t
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}
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}
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func haveRTPTransceiverDirectionIntersection(haystack []RTPTransceiverDirection, needle []RTPTransceiverDirection) bool {
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for _, n := range needle {
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for _, h := range haystack {
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if n == h {
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return true
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}
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}
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}
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return false
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}
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