直播：后台 JWT 推流、前台画中画；WebRTC 服务与 Nginx WebSocket 代理

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server/vendor/github.com/pion/interceptor/streaminfo.go

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+// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
+// SPDX-License-Identifier: MIT
+
+package interceptor
+
+// RTPHeaderExtension represents a negotiated RFC5285 RTP header extension.
+type RTPHeaderExtension struct {
+	URI string
+	ID  int
+}
+
+// StreamInfo is the Context passed when a StreamLocal or StreamRemote has been Binded or Unbinded
+type StreamInfo struct {
+	ID                  string
+	Attributes          Attributes
+	SSRC                uint32
+	PayloadType         uint8
+	RTPHeaderExtensions []RTPHeaderExtension
+	MimeType            string
+	ClockRate           uint32
+	Channels            uint16
+	SDPFmtpLine         string
+	RTCPFeedback        []RTCPFeedback
+}
+
+// RTCPFeedback signals the connection to use additional RTCP packet types.
+// https://draft.ortc.org/#dom-rtcrtcpfeedback
+type RTCPFeedback struct {
+	// Type is the type of feedback.
+	// see: https://draft.ortc.org/#dom-rtcrtcpfeedback
+	// valid: ack, ccm, nack, goog-remb, transport-cc
+	Type string
+
+	// The parameter value depends on the type.
+	// For example, type="nack" parameter="pli" will send Picture Loss Indicator packets.
+	Parameter string
+}