Method CompleteRTP

track/h264.go:200–224

RTP格式补完

(value *AVFrame)

// RTP格式补完
func (vt *H264) CompleteRTP(value *AVFrame) {
	var out [][][]byte
	if value.IFrame {
		out = append(out, [][]byte{vt.SPS}, [][]byte{vt.PPS})
	}
	vt.Value.AUList.Range(func(au *util.BLL) bool {
		if au.ByteLength < RTPMTU {
			out = append(out, au.ToBuffers())
		} else {
			startIndex := len(out)
			var naluType codec.H264NALUType
			r := au.NewReader()
			b0, _ := r.ReadByte()
			naluType = naluType.Parse(b0)
			b0 = codec.NALU_FUA.Or(b0 & 0x60)
			for bufs := r.ReadN(RTPMTU); len(bufs) > 0; bufs = r.ReadN(RTPMTU) {
				out = append(out, append([][]byte{{b0, naluType.Byte()}}, bufs...))
			}
			out[startIndex][0][1] |= 1 << 7 // set start bit
			out[len(out)-1][0][1] |= 1 << 6 // set end bit
		}
		return true
	})
	vt.PacketizeRTP(out...)
}

func (vt *H264) GetNALU_SEI() (item util.LIBP) {
	item = vt.BytesPool.Get(1)