Method PacketizeRTP

track/rtp.go:48–76

https://www.cnblogs.com/moonwalk/p/15903760.html Packetize packetizes the payload of an RTP packet and returns one or more RTP packets

(payloads ...[][]byte)

// https://www.cnblogs.com/moonwalk/p/15903760.html
// Packetize packetizes the payload of an RTP packet and returns one or more RTP packets
func (av *Media) PacketizeRTP(payloads ...[][]byte) {
	var rtpItem *LIRTP
	for _, pp := range payloads {
		rtpItem = av.GetRTPFromPool()
		packet := &rtpItem.Value
		br := util.LimitBuffer{Buffer: packet.Payload}
		if av.SampleRate != 90000 {
			packet.Timestamp = uint32(time.Duration(av.SampleRate) * av.Value.PTS / 90000)
		} else {
			packet.Timestamp = uint32(av.Value.PTS)
		}
		packet.Marker = false
		for _, p := range pp {
			if _, err := br.Write(p); err != nil {
				av.Error("rtp payload write error", zap.Error(err))
				for i, pp := range payloads {
					for j, p := range pp {
						av.Error("rtp payload", zap.Int("i", i), zap.Int("j", j), zap.Int("len", len(p)))
					}
				}
				return
			}
		}
		packet.Payload = br.Bytes()
		av.Value.RTP.Push(rtpItem)
	}
	// 最后一个rtp包标记为true
	rtpItem.Value.Marker = true
}

type RTPDemuxer struct {
	lastSeq  uint16 //上一个rtp包的序号