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2、8, 54830, 34.11 / 27002. 2 : 19.401 . . 19.402 . 19.404 . . 34.10 . . 34.11 . . / 27002 . . 51558 . . . 54830 . . , 1 , , , . , , (). , , , , , . , , , , . 560352014 2 3 : 3.1 IP- (internet protocol ddress): ( ) , IP. 3.2 RTSP (real-time streaming protocol): , , . 3.3 SDP (session description protoc
3、ol): , . SDP ; UDP- ; -, ; . 3.4 UDP- (user datagram protocol): , ( ) . 3.5 UTC (universal time, coordinated): , . 3.6 (video data), (video stream): , - . 548302011, 3.1 3.7 : . . 515582008, 3.3 3.8 (video container): , , / , , . , . 3.9 (video series): , . 3.10 : . 3.11 (private key): , , . 3.12 (f
4、rame): , . 3.13 (check sum): , , . . 3.14 (local time): , . 3.15 ; : , . 515582008, 3.13 3.16 (key frame): , . 3.17 (digitized video data): , - , (RGB, YUV .). 548302011, 3.2 3.18 (authenticity video data): , . 560352014 3 3.19 ; : , . 515582008, 3.20 3.20 (overhead information): , , , , , . 3.21 (m
5、essage): . 3.22 ; : , (), () , , - . 509222006, 2.2.2 3.23 (digitized video data format): , . ( ) . 548302011, 3.3 3.24 (frame fragment): , . 3.25 - (hash-function): , . 3.26 (video data integrity): . 3.27 (signature), : , . : 1 , , , . 2 - , , . 34.102012, 3.1.15 4 4.1 - : - , ; - , ; - - , . 4.2 :
6、 - ; - () ; - ; - ; - , ; - , . - , , , , - ; - , , / ( ); - (, ). . 560352014 4 4.3 : - I ; - II . . 5 5.1 () , () / . 5.2 , , 19.401, 19.402, 19.404. 5.3 / / , . . , , . 5.4 I 5.4.1 I (). 5.4.1.1 , . 5.4.1.2 : - ; 1; - 1. 5.4.1.3 : - (, ); - (, , ); - UTC . 5.4.1.4 : - SDP- RTSP 1; - IP - , RTSP; - . 5.4.2 : -
