67 lines
1.7 KiB
Go
67 lines
1.7 KiB
Go
package webrtc
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import (
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"encoding/json"
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)
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// RTCPMuxPolicy affects what ICE candidates are gathered to support
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// non-multiplexed RTCP.
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type RTCPMuxPolicy int
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const (
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// RTCPMuxPolicyNegotiate indicates to gather ICE candidates for both
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// RTP and RTCP candidates. If the remote-endpoint is capable of
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// multiplexing RTCP, multiplex RTCP on the RTP candidates. If it is not,
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// use both the RTP and RTCP candidates separately.
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RTCPMuxPolicyNegotiate RTCPMuxPolicy = iota + 1
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// RTCPMuxPolicyRequire indicates to gather ICE candidates only for
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// RTP and multiplex RTCP on the RTP candidates. If the remote endpoint is
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// not capable of rtcp-mux, session negotiation will fail.
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RTCPMuxPolicyRequire
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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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rtcpMuxPolicyNegotiateStr = "negotiate"
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rtcpMuxPolicyRequireStr = "require"
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)
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func newRTCPMuxPolicy(raw string) RTCPMuxPolicy {
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switch raw {
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case rtcpMuxPolicyNegotiateStr:
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return RTCPMuxPolicyNegotiate
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case rtcpMuxPolicyRequireStr:
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return RTCPMuxPolicyRequire
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default:
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return RTCPMuxPolicy(Unknown)
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}
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}
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func (t RTCPMuxPolicy) String() string {
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switch t {
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case RTCPMuxPolicyNegotiate:
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return rtcpMuxPolicyNegotiateStr
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case RTCPMuxPolicyRequire:
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return rtcpMuxPolicyRequireStr
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default:
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return ErrUnknownType.Error()
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}
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}
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// UnmarshalJSON parses the JSON-encoded data and stores the result
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func (t *RTCPMuxPolicy) UnmarshalJSON(b []byte) error {
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var val string
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if err := json.Unmarshal(b, &val); err != nil {
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return err
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}
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*t = newRTCPMuxPolicy(val)
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return nil
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}
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// MarshalJSON returns the JSON encoding
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func (t RTCPMuxPolicy) MarshalJSON() ([]byte, error) {
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return json.Marshal(t.String())
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}
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