gi-gstvideo-1.0.29: GStreamerVideo bindings
CopyrightWill Thompson and Iñaki García Etxebarria
LicenseLGPL-2.1
MaintainerIñaki García Etxebarria
Safe HaskellSafe-Inferred
LanguageHaskell2010

GI.GstVideo.Structs.VideoBarMeta

Description

Bar data should be included in video user data whenever the rectangular picture area containing useful information does not extend to the full height or width of the coded frame and AFD alone is insufficient to describe the extent of the image.

Note: either vertical or horizontal bars are specified, but not both.

For more details, see:

https://www.atsc.org/wp-content/uploads/2015/03/a_53-Part-4-2009.pdf

and SMPTE ST2016-1

Since: 1.18

Synopsis

Exported types

newtype VideoBarMeta Source #

Memory-managed wrapper type.

Constructors

VideoBarMeta (ManagedPtr VideoBarMeta) 

Instances

Instances details
Eq VideoBarMeta Source # 
Instance details

Defined in GI.GstVideo.Structs.VideoBarMeta

Methods

(==) :: VideoBarMeta -> VideoBarMeta -> Bool #

(/=) :: VideoBarMeta -> VideoBarMeta -> Bool #

BoxedPtr VideoBarMeta Source # 
Instance details

Defined in GI.GstVideo.Structs.VideoBarMeta

Methods

boxedPtrCopy :: VideoBarMeta -> IO VideoBarMeta

boxedPtrFree :: VideoBarMeta -> IO ()

CallocPtr VideoBarMeta Source # 
Instance details

Defined in GI.GstVideo.Structs.VideoBarMeta

Methods

boxedPtrCalloc :: IO (Ptr VideoBarMeta)

ManagedPtrNewtype VideoBarMeta Source # 
Instance details

Defined in GI.GstVideo.Structs.VideoBarMeta

Methods

toManagedPtr :: VideoBarMeta -> ManagedPtr VideoBarMeta

tag ~ 'AttrSet => Constructible VideoBarMeta tag Source # 
Instance details

Defined in GI.GstVideo.Structs.VideoBarMeta

Methods

new :: MonadIO m => (ManagedPtr VideoBarMeta -> VideoBarMeta) -> [AttrOp VideoBarMeta tag] -> m VideoBarMeta

newZeroVideoBarMeta :: MonadIO m => m VideoBarMeta Source #

Construct a VideoBarMeta struct initialized to zero.

Methods

getInfo

videoBarMetaGetInfo :: (HasCallStack, MonadIO m) => m MetaInfo Source #

No description available in the introspection data.

Properties

barData1

If isLetterbox is true, then the value specifies the last line of a horizontal letterbox bar area at top of reconstructed frame. Otherwise, it specifies the last horizontal luminance sample of a vertical pillarbox bar area at the left side of the reconstructed frame

getVideoBarMetaBarData1 :: MonadIO m => VideoBarMeta -> m Word32 Source #

Get the value of the “bar_data1” field. When overloading is enabled, this is equivalent to

get videoBarMeta #barData1

setVideoBarMetaBarData1 :: MonadIO m => VideoBarMeta -> Word32 -> m () Source #

Set the value of the “bar_data1” field. When overloading is enabled, this is equivalent to

set videoBarMeta [ #barData1 := value ]

barData2

If isLetterbox is true, then the value specifies the first line of a horizontal letterbox bar area at bottom of reconstructed frame. Otherwise, it specifies the first horizontal luminance sample of a vertical pillarbox bar area at the right side of the reconstructed frame.

getVideoBarMetaBarData2 :: MonadIO m => VideoBarMeta -> m Word32 Source #

Get the value of the “bar_data2” field. When overloading is enabled, this is equivalent to

get videoBarMeta #barData2

setVideoBarMetaBarData2 :: MonadIO m => VideoBarMeta -> Word32 -> m () Source #

Set the value of the “bar_data2” field. When overloading is enabled, this is equivalent to

set videoBarMeta [ #barData2 := value ]

field

0 for progressive or field 1 and 1 for field 2

getVideoBarMetaField :: MonadIO m => VideoBarMeta -> m Word8 Source #

Get the value of the “field” field. When overloading is enabled, this is equivalent to

get videoBarMeta #field

setVideoBarMetaField :: MonadIO m => VideoBarMeta -> Word8 -> m () Source #

Set the value of the “field” field. When overloading is enabled, this is equivalent to

set videoBarMeta [ #field := value ]

isLetterbox

if true then bar data specifies letterbox, otherwise pillarbox

getVideoBarMetaIsLetterbox :: MonadIO m => VideoBarMeta -> m Bool Source #

Get the value of the “is_letterbox” field. When overloading is enabled, this is equivalent to

get videoBarMeta #isLetterbox

setVideoBarMetaIsLetterbox :: MonadIO m => VideoBarMeta -> Bool -> m () Source #

Set the value of the “is_letterbox” field. When overloading is enabled, this is equivalent to

set videoBarMeta [ #isLetterbox := value ]

meta

parent Meta

getVideoBarMetaMeta :: MonadIO m => VideoBarMeta -> m Meta Source #

Get the value of the “meta” field. When overloading is enabled, this is equivalent to

get videoBarMeta #meta
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