[fix]rtmp2rtsp中数据包太小的过滤

pkg/remux/rtmp2rtsp.go

@@ -163,6 +163,10 @@ func (r *Rtmp2RtspRemuxer) remux(msg base.RtmpMsg) {
 	var rtppkts []rtprtcp.RtpPacket
 	switch msg.Header.MsgTypeId {
 	case base.RtmpTypeIdAudio:
+		if len(msg.Payload)<3{
+			Log.Warnf("aac seq header payload too short. len=%d, payload=%s", len(msg.Payload), hex.Dump(msg.Payload))
+			return
+		}
 		packer = r.getAudioPacker()
 		if packer != nil {
 			rtppkts = packer.Pack(base.AvPacket{
@@ -172,6 +176,10 @@ func (r *Rtmp2RtspRemuxer) remux(msg base.RtmpMsg) {
 			})
 		}
 	case base.RtmpTypeIdVideo:
+		if len(msg.Payload)<6{
+			Log.Warnf("Video seq header payload too short. len=%d, payload=%s", len(msg.Payload), hex.Dump(msg.Payload))
+			return
+		}
 		packer = r.getVideoPacker()
 		if packer != nil {
 			rtppkts = r.getVideoPacker().Pack(base.AvPacket{