RTP Timestamps vs System Time

1

66652 us 6007=66744 us

66598 us

67152 us

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6007

6007

System Time(sec)

System Time (usec)

RTP Timestamp (1/90K sec)

1204735165 901009 2097329347

1204735165 901059 2097329347

1204735165 967661 2097335354

1204735165 967702 2097335354

1204735166 34259 2097341361

1204735166 34299 2097341361

1204735166 34319 2097341361

1204735166 101411 2097347368

1204735166 101448 2097347368

1204735166 101470 2097347368

1204735166 101488 2097347368

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RTP HeaderI-VOP(Part 1)

RTP Header

Part N

……

Timestamp = αMarker = 0

UDP Header IP Header

Timestamp = αMarker = 1

MTU

I-VOP(Part N)

Start code in MPEG-4 header

A single I-VOP

Part 1

Start code in MPEG-4 header

IP Header UDP Header

I-VOP Encapsulation of MPEG-4

Start Code in MPEG-4 Header

RTP Payload Data

Frame Types

Start code Next 2 bits

0x000001B3 Don’t care

I

0x000001B6

00

01 P

10 B