Method ReadPAT

codec/mpegts/mpegts.go:497–507

func (s *MpegTsStream) TestWrite(fileName string) error { if fileName != "" { file, err := os.Create(fileName) if err != nil { panic(err) } defer file.Close() patTsHeader := []byte{0x47, 0x40, 0x00, 0x10} if err := WritePATPacket(file, patTsHeader, *s.pat); err != nil { panic(

(packet *MpegTsPacket, pr io.Reader)

//}

func (s *MpegTsStream) ReadPAT(packet *MpegTsPacket, pr io.Reader) (err error) {
	// 首先找到PID==0x00的TS包(PAT)
	if PID_PAT == packet.Header.Pid {
		if len(packet.Payload) == 188 {
			pr = &util.Crc32Reader{R: pr, Crc32: 0xffffffff}
		}
		// Header + PSI + Paylod
		s.PAT, err = ReadPAT(pr)
	}
	return
}
func (s *MpegTsStream) ReadPMT(packet *MpegTsPacket, pr io.Reader) (err error) {
	// 在读取PAT中已经将所有频道节目信息(PMT_PID)保存了起来
	// 接着读取所有TS包里面的PID,找出PID==PMT_PID的TS包,就是PMT表