Fix panic of rtx attributes

cnderrauber · cnderrauber · commit 987fb7abdd78 · 2024-02-05T23:06:48.000+08:00
diff --git a/rtpreceiver.go b/rtpreceiver.go
@@ -454,6 +454,9 @@ func (r *RTPReceiver) receiveForRtx(ssrc SSRC, rsid string, streamInfo *intercep
 				continue
 			}
 
+			if attributes == nil {
+				attributes = make(interceptor.Attributes)
+			}
 			attributes.Set(AttributeRtxPayloadType, b[1]&0x7F)
 			attributes.Set(AttributeRtxSequenceNumber, binary.BigEndian.Uint16(b[2:4]))
 			attributes.Set(AttributeRtxSsrc, binary.BigEndian.Uint32(b[8:12]))

Original file line number	Diff line number	Diff line change
`@@ -454,6 +454,9 @@ func (r RTPReceiver) receiveForRtx(ssrc SSRC, rsid string, streamInfo intercep`
`454`	`454`	`continue`
`455`	`455`	`}`
`456`	`456`
	`457`	`+ if attributes == nil {`
	`458`	`+ attributes = make(interceptor.Attributes)`
	`459`	`+ }`
`457`	`460`	`attributes.Set(AttributeRtxPayloadType, b[1]&0x7F)`
`458`	`461`	`attributes.Set(AttributeRtxSequenceNumber, binary.BigEndian.Uint16(b[2:4]))`
`459`	`462`	`attributes.Set(AttributeRtxSsrc, binary.BigEndian.Uint32(b[8:12]))`