Portability	no
Stability	no
Maintainer	claude@mathr.co.uk
Safe Haskell	None

Graphics.V4L2.VideoStandard

Description

Synopsis

Documentation

data VideoStandardID Source

Video standard identifier.

data VideoStandardInfo Source

Video standard information.

Constructors

VideoStandardInfo
Fields videoStandardStandard :: VideoStandard videoStandardName :: String videoStandardFramePeriod :: Fraction videoStandardFrameLines :: Int

Instances

Eq VideoStandardInfo
Data VideoStandardInfo
Ord VideoStandardInfo
Read VideoStandardInfo
Show VideoStandardInfo
Typeable VideoStandardInfo

videoStandards :: Device -> IO (Map VideoStandardID VideoStandardInfo)Source

Enumerate video standards.

Drivers may enumerate a different set of standards after switching the video input or output.

getVideoStandard :: Device -> IO VideoStandard Source

Get the current video standard.

setVideoStandard :: Device -> VideoStandard -> IO ()Source

Set the current video standard.

detectVideoStandard :: Device -> IO VideoStandard Source

Detect the current video standard.

type VideoStandard = Set VideoStandardType Source

Video standard.

data VideoStandardType Source

Elementary video standard flags.

Instances

Eq VideoStandardType
Data VideoStandardType
Ord VideoStandardType
Read VideoStandardType
Show VideoStandardType
Typeable VideoStandardType

videoStandardPalB :: VideoStandard Source

videoStandardPalB1 :: VideoStandard Source

videoStandardPalG :: VideoStandard Source

videoStandardPalH :: VideoStandard Source

videoStandardPalI :: VideoStandard Source

videoStandardPalD :: VideoStandard Source

videoStandardPalD1 :: VideoStandard Source

videoStandardPalK :: VideoStandard Source

videoStandardPalM :: VideoStandard Source

videoStandardPalN :: VideoStandard Source

videoStandardPalNc :: VideoStandard Source

videoStandardPal60 :: VideoStandard Source

videoStandardNtscM :: VideoStandard Source

videoStandardNtscM_JP :: VideoStandard Source

videoStandardNtsc443 :: VideoStandard Source

videoStandardNtscM_KR :: VideoStandard Source

videoStandardSecamB :: VideoStandard Source

videoStandardSecamD :: VideoStandard Source

videoStandardSecamG :: VideoStandard Source

videoStandardSecamH :: VideoStandard Source

videoStandardSecamK :: VideoStandard Source

videoStandardSecamK1 :: VideoStandard Source

videoStandardSecamL :: VideoStandard Source

videoStandardSecamLC :: VideoStandard Source

videoStandardAtsc8Vsb :: VideoStandard Source

videoStandardAtsc16Vsb :: VideoStandard Source

videoStandardMn :: VideoStandard Source

videoStandardB :: VideoStandard Source

videoStandardGh :: VideoStandard Source

videoStandardDk :: VideoStandard Source

videoStandardPalBg :: VideoStandard Source

videoStandardPalDk :: VideoStandard Source

videoStandardPal :: VideoStandard Source

videoStandardNtsc :: VideoStandard Source

videoStandardSecamDk :: VideoStandard Source

videoStandardSecam :: VideoStandard Source

videoStandard525_60 :: VideoStandard Source

videoStandard625_50 :: VideoStandard Source

videoStandardAtsc :: VideoStandard Source

videoStandardUnknown :: VideoStandard Source

videoStandardAll :: VideoStandard Source

fromVideoStandard :: Word64 -> VideoStandard Source

internal

Bounded VideoStandardID
Enum VideoStandardID
Eq VideoStandardID
Integral VideoStandardID
Data VideoStandardID
Num VideoStandardID
Ord VideoStandardID
Read VideoStandardID
Real VideoStandardID
Show VideoStandardID
Typeable VideoStandardID

StdPalB
StdPalB1
StdPalG
StdPalH
StdPalI
StdPalD
StdPalD1
StdPalK
StdPalM
StdPalN
StdPalNc
StdPal60
StdNtscM
StdNtscMJp
StdNtsc443
StdNtscMKr
StdSecamB
StdSecamD
StdSecamG
StdSecamH
StdSecamK
StdSecamK1
StdSecamL
StdSecamLC
StdAtsc8Vsb
StdAtsc16Vsb
StdUnknown Word64