FrameRate Struct Reference

Frame Rate A frame rate describes the number of image (frame) displayed per second. More...

#include <ivstprocesscontext.h>

Public Types
enum	FrameRateFlags { kPullDownRate = 1 << 0 , kDropRate = 1 << 1 }

Public Attributes
uint32	framesPerSecond
	frame rate More...
uint32	flags
	flags FrameRateFlags More...

Detailed Description

Frame Rate A frame rate describes the number of image (frame) displayed per second.

Some examples:

• 23.976 fps is framesPerSecond: 24 and flags: kPullDownRate
• 24 fps is framesPerSecond: 24 and flags: 0
• 25 fps is framesPerSecond: 25 and flags: 0
• 29.97 drop fps is framesPerSecond: 30 and flags: kDropRate|kPullDownRate
• 29.97 fps is framesPerSecond: 30 and flags: kPullDownRate
• 30 fps is framesPerSecond: 30 and flags: 0
• 30 drop fps is framesPerSecond: 30 and flags: kDropRate
• 50 fps is framesPerSecond: 50 and flags: 0
• 59.94 fps is framesPerSecond: 60 and flags: kPullDownRate
• 60 fps is framesPerSecond: 60 and flags: 0

Member Enumeration Documentation

FrameRateFlags

enum FrameRateFlags

Enumerator
kPullDownRate
kDropRate

Member Data Documentation

framesPerSecond

uint32 framesPerSecond

frame rate

flags

uint32 flags

flags FrameRateFlags