70 lines
1.8 KiB
Go
70 lines
1.8 KiB
Go
// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package webrtc
|
|
|
|
import (
|
|
"encoding/json"
|
|
)
|
|
|
|
// RTCPMuxPolicy affects what ICE candidates are gathered to support
|
|
// non-multiplexed RTCP.
|
|
type RTCPMuxPolicy int
|
|
|
|
const (
|
|
// RTCPMuxPolicyNegotiate indicates to gather ICE candidates for both
|
|
// RTP and RTCP candidates. If the remote-endpoint is capable of
|
|
// multiplexing RTCP, multiplex RTCP on the RTP candidates. If it is not,
|
|
// use both the RTP and RTCP candidates separately.
|
|
RTCPMuxPolicyNegotiate RTCPMuxPolicy = iota + 1
|
|
|
|
// RTCPMuxPolicyRequire indicates to gather ICE candidates only for
|
|
// RTP and multiplex RTCP on the RTP candidates. If the remote endpoint is
|
|
// not capable of rtcp-mux, session negotiation will fail.
|
|
RTCPMuxPolicyRequire
|
|
)
|
|
|
|
// This is done this way because of a linter.
|
|
const (
|
|
rtcpMuxPolicyNegotiateStr = "negotiate"
|
|
rtcpMuxPolicyRequireStr = "require"
|
|
)
|
|
|
|
func newRTCPMuxPolicy(raw string) RTCPMuxPolicy {
|
|
switch raw {
|
|
case rtcpMuxPolicyNegotiateStr:
|
|
return RTCPMuxPolicyNegotiate
|
|
case rtcpMuxPolicyRequireStr:
|
|
return RTCPMuxPolicyRequire
|
|
default:
|
|
return RTCPMuxPolicy(Unknown)
|
|
}
|
|
}
|
|
|
|
func (t RTCPMuxPolicy) String() string {
|
|
switch t {
|
|
case RTCPMuxPolicyNegotiate:
|
|
return rtcpMuxPolicyNegotiateStr
|
|
case RTCPMuxPolicyRequire:
|
|
return rtcpMuxPolicyRequireStr
|
|
default:
|
|
return ErrUnknownType.Error()
|
|
}
|
|
}
|
|
|
|
// UnmarshalJSON parses the JSON-encoded data and stores the result
|
|
func (t *RTCPMuxPolicy) UnmarshalJSON(b []byte) error {
|
|
var val string
|
|
if err := json.Unmarshal(b, &val); err != nil {
|
|
return err
|
|
}
|
|
|
|
*t = newRTCPMuxPolicy(val)
|
|
return nil
|
|
}
|
|
|
|
// MarshalJSON returns the JSON encoding
|
|
func (t RTCPMuxPolicy) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(t.String())
|
|
}
|