RTP格式补完
(value *AVFrame)
| 191 | |
| 192 | // RTP格式补完 |
| 193 | func (vt *H265) CompleteRTP(value *AVFrame) { |
| 194 | // H265打包： https://blog.csdn.net/fanyun_01/article/details/114234290 |
| 195 | var out [][][]byte |
| 196 | if value.IFrame { |
| 197 | out = append(out, [][]byte{vt.VPS}, [][]byte{vt.SPS}, [][]byte{vt.PPS}) |
| 198 | } |
| 199 | vt.Value.AUList.Range(func(au *util.BLL) bool { |
| 200 | if au.ByteLength < RTPMTU { |
| 201 | out = append(out, au.ToBuffers()) |
| 202 | } else { |
| 203 | startIndex := len(out) |
| 204 | var naluType codec.H265NALUType |
| 205 | r := au.NewReader() |
| 206 | b0, _ := r.ReadByte() |
| 207 | b1, _ := r.ReadByte() |
| 208 | naluType = naluType.Parse(b0) |
| 209 | b0 = (byte(codec.NAL_UNIT_RTP_FU) << 1) | (b0 & 0b10000001) |
| 210 | for bufs := r.ReadN(RTPMTU); len(bufs) > 0; bufs = r.ReadN(RTPMTU) { |
| 211 | out = append(out, append([][]byte{{b0, b1, byte(naluType)}}, bufs...)) |
| 212 | } |
| 213 | out[startIndex][0][2] |= 1 << 7 // set start bit |
| 214 | out[len(out)-1][0][2] |= 1 << 6 // set end bit |
| 215 | } |
| 216 | return true |
| 217 | }) |
| 218 | vt.PacketizeRTP(out...) |
| 219 | } |
| 220 | |
| 221 | func (vt *H265) GetNALU_SEI() (item util.LIBP) { |
| 222 | item = vt.BytesPool.Get(1) |