ADLINK Technology PCI-MPG24 Manuel d'utilisateur télécharger pdf (Page 83)

Reference Manual 73

enabling the GOP head.

X 0: Disable GOP head

X 1: Enable GOP head

seq_head_enable

Only encoding Microsoft format MPEG4 stream requires dis-

abling the sequence head. All other format streams require

enabling sequence head.

X 0: Disable sequence head

X 1: Enable sequence head

aspect_ratio

The ratio between the width and the height of the picture. This

information is included in the sequence header.

X 1: 1:1

X 2: 4:3

X 3: 16:9

reserved

Reserved for future use.

TCFGFRAMERATE Structure

The TCFGFRAMERATE structure describes frame rate related

settings of the output video stream of MPEG4 chip.

Syntax

typedef struct

{

TCFG_HEADER header;

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ADLINK Technology PCI-MPG24 Manuel d'utilisateur Page 83