Package org.freedesktop.gstreamer.video

package org.freedesktop.gstreamer.video

The GStreamer Video Library

The following native libraries are required and will be loaded: libgstvideo-1.0.so

For namespace-global declarations, refer to the GstVideo class documentation.

Gstvideo

This library contains some helper functions and includes the videosink and videofilter base classes.

Gstvideoanc

A collection of objects and methods to assist with handling Ancillary Data present in Vertical Blanking Interval as well as Closed Caption.

Gstvideochroma

The functions gst_video_chroma_from_string() and gst_video_chroma_to_string() convert between GstVideoChromaSite and string descriptions.

GstVideoChromaResample is a utility object for resampling chroma planes and converting between different chroma sampling sitings.

Gstvideopool

Special GstBufferPool subclass for raw video buffers.

Allows configuration of video-specific requirements such as stride alignments or pixel padding, and can also be configured to automatically add GstVideoMeta to the buffers.

Gstvideosei

A collection of objects and methods to assist with SEI User Data Unregistered metadata in H.264 and H.265 streams.

Videoconverter

This object is used to convert video frames from one format to another. The object can perform conversion of:

• video format
• video colorspace
• chroma-siting
• video size

Class	Description
AncillaryMeta	GstMeta for carrying SMPTE-291M Ancillary data.
AncillaryMetaField	Location of a GstAncillaryMeta.
ColorBalance	This interface is implemented by elements which can perform some color balance operation on video frames they process.
ColorBalance.ColorBalance$Impl	The ColorBalance$Impl type represents a native instance of the ColorBalance interface.
ColorBalance.ColorBalanceInterface	Color-balance interface.
ColorBalance.ValueChangedCallback	Functional interface declaration of the ValueChangedCallback callback.
ColorBalanceChannel	The GstColorBalanceChannel object represents a parameter for modifying the color balance implemented by an element providing the GstColorBalance interface.
ColorBalanceChannel.Builder<B extends ColorBalanceChannel.Builder<B>>	Inner class implementing a builder pattern to construct a GObject with properties.
ColorBalanceChannel.ColorBalanceChannelClass	Color-balance channel class.
ColorBalanceChannel.ValueChangedCallback	Functional interface declaration of the ValueChangedCallback callback.
ColorBalanceType	An enumeration indicating whether an element implements color balancing operations in software or in dedicated hardware.
GstVideo	Constants and functions that are declared in the global GstVideo namespace.
Navigation	The Navigation interface is used for creating and injecting navigation related events such as mouse button presses, cursor motion and key presses.
Navigation.Navigation$Impl	The Navigation$Impl type represents a native instance of the Navigation interface.
Navigation.NavigationInterface	Navigation interface.
NavigationCommand	A set of commands that may be issued to an element providing the GstNavigation interface.
NavigationEventType	Enum values for the various events that an element implementing the GstNavigation interface might send up the pipeline.
NavigationMessageType	A set of notifications that may be received on the bus when navigation related status changes.
NavigationModifierType	Flags to indicate the state of modifier keys and mouse buttons in events.
NavigationQueryType	Types of navigation interface queries.
VideoAFDMeta	Active Format Description (AFD)
VideoAFDSpec	Enumeration of the different standards that may apply to AFD data:
VideoAFDValue	Enumeration of the various values for Active Format Description (AFD)
VideoAffineTransformationGetMatrix	Functional interface declaration of the VideoAffineTransformationGetMatrix callback.
VideoAffineTransformationMeta	Extra buffer metadata for performing an affine transformation using a 4x4 matrix.
VideoAggregator	VideoAggregator can accept AYUV, ARGB and BGRA video streams.
VideoAggregator.Builder<B extends VideoAggregator.Builder<B>>	Inner class implementing a builder pattern to construct a GObject with properties.
VideoAggregator.VideoAggregator$Impl	The VideoAggregator$Impl type represents a native instance of the abstract VideoAggregator class.
VideoAggregator.VideoAggregatorClass
VideoAggregatorConvertPad	An implementation of GstPad that can be used with GstVideoAggregator.
VideoAggregatorConvertPad.Builder<B extends VideoAggregatorConvertPad.Builder<B>>	Inner class implementing a builder pattern to construct a GObject with properties.
VideoAggregatorConvertPad.VideoAggregatorConvertPadClass
VideoAggregatorPad
VideoAggregatorPad.Builder<B extends VideoAggregatorPad.Builder<B>>	Inner class implementing a builder pattern to construct a GObject with properties.
VideoAggregatorPad.VideoAggregatorPadClass
VideoAggregatorParallelConvertPad	An implementation of GstPad that can be used with GstVideoAggregator.
VideoAggregatorParallelConvertPad.Builder<B extends VideoAggregatorParallelConvertPad.Builder<B>>	Inner class implementing a builder pattern to construct a GObject with properties.
VideoAggregatorParallelConvertPad.VideoAggregatorParallelConvertPadClass
VideoAlignment	Extra alignment parameters for the memory of video buffers.
VideoAlphaMode	Different alpha modes.
VideoAncillary	Video Ancillary data, according to SMPTE-291M specification.
VideoAncillaryDID
VideoAncillaryDID16	Some know types of Ancillary Data identifiers.
VideoBarMeta	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.
VideoBufferFlags	Additional video buffer flags.
VideoBufferPool
VideoBufferPool.Builder<B extends VideoBufferPool.Builder<B>>	Inner class implementing a builder pattern to construct a GObject with properties.
VideoBufferPool.VideoBufferPoolClass
VideoCaptionMeta	Extra buffer metadata providing Closed Caption.
VideoCaptionType	The various known types of Closed Caption (CC).
VideoChromaFlags	Extra flags that influence the result from gst_video_chroma_resample_new().
VideoChromaMethod	Different subsampling and upsampling methods
VideoChromaMode	Different chroma downsampling and upsampling modes
VideoChromaResample
VideoChromaSite	Various Chroma sitings.
VideoCodecAlphaMeta	This meta is primarily for internal use in GStreamer elements to support VP8/VP9 transparent video stored into WebM or Matroska containers, or transparent static AV1 images.
VideoCodecFrame	A GstVideoCodecFrame represents a video frame both in raw and encoded form.
VideoCodecFrameFlags	Flags for GstVideoCodecFrame
VideoCodecState	Structure representing the state of an incoming or outgoing video stream for encoders and decoders.
VideoColorimetry	Structure describing the color info.
VideoColorMatrix	The color matrix is used to convert between Y'PbPr and non-linear RGB (R'G'B')
VideoColorPrimaries	The color primaries define the how to transform linear RGB values to and from the CIE XYZ colorspace.
VideoColorPrimariesInfo	Structure describing the chromaticity coordinates of an RGB system.
VideoColorRange	Possible color range values.
VideoContentLightLevel	Content light level information specified in CEA-861.3, Appendix A.
VideoConverter
VideoConvertSampleCallback	Functional interface declaration of the VideoConvertSampleCallback callback.
VideoCropMeta	Extra buffer metadata describing image cropping.
VideoDecoder	This base class is for video decoders turning encoded data into raw video frames.
VideoDecoder.Builder<B extends VideoDecoder.Builder<B>>	Inner class implementing a builder pattern to construct a GObject with properties.
VideoDecoder.VideoDecoder$Impl	The VideoDecoder$Impl type represents a native instance of the abstract VideoDecoder class.
VideoDecoder.VideoDecoderClass	Subclasses can override any of the available virtual methods or not, as needed.
VideoDecoderRequestSyncPointFlags	Flags to be used in combination with gst_video_decoder_request_sync_point().
VideoDirection	The interface allows unified access to control flipping and rotation operations of video-sources or operators.
VideoDirection.Builder<B extends Builder<B>>
VideoDirection.VideoDirection$Impl	The VideoDirection$Impl type represents a native instance of the VideoDirection interface.
VideoDirection.VideoDirectionInterface	GstVideoDirectionInterface interface.
VideoDither	GstVideoDither provides implementations of several dithering algorithms that can be applied to lines of video pixels to quantize and dither them.
VideoDitherFlags	Extra flags that influence the result from gst_video_chroma_resample_new().
VideoDitherMethod	Different dithering methods to use.
VideoEncoder	This base class is for video encoders turning raw video into encoded video data.
VideoEncoder.Builder<B extends VideoEncoder.Builder<B>>	Inner class implementing a builder pattern to construct a GObject with properties.
VideoEncoder.VideoEncoder$Impl	The VideoEncoder$Impl type represents a native instance of the abstract VideoEncoder class.
VideoEncoder.VideoEncoderClass	Subclasses can override any of the available virtual methods or not, as needed.
VideoFieldOrder	Field order of interlaced content.
VideoFilter	Provides useful functions and a base class for video filters.
VideoFilter.Builder<B extends VideoFilter.Builder<B>>	Inner class implementing a builder pattern to construct a GObject with properties.
VideoFilter.VideoFilter$Impl	The VideoFilter$Impl type represents a native instance of the abstract VideoFilter class.
VideoFilter.VideoFilterClass	The video filter class structure.
VideoFlags	Extra video flags
VideoFormat	Enum value describing the most common video formats.
VideoFormatFlags	The different video flags that a format info can have.
VideoFormatInfo	Information for a video format.
VideoFormatPack	Functional interface declaration of the VideoFormatPack callback.
VideoFormatUnpack	Functional interface declaration of the VideoFormatUnpack callback.
VideoFrame	A video frame obtained from gst_video_frame_map()
VideoFrameFlags	Extra video frame flags
VideoFrameMapFlags	Additional mapping flags for gst_video_frame_map().
VideoGammaMode
VideoGLTextureOrientation	The orientation of the GL texture.
VideoGLTextureType	The GL texture type.
VideoGLTextureUpload	Functional interface declaration of the VideoGLTextureUpload callback.
VideoGLTextureUploadMeta	Extra buffer metadata for uploading a buffer to an OpenGL texture ID.
VideoInfo	Information describing image properties.
VideoInfoDmaDrm	Information describing a DMABuf image properties.
VideoInterlaceMode	The possible values of the GstVideoInterlaceMode describing the interlace mode of the stream.
VideoMasteringDisplayInfo	Mastering display color volume information defined by SMPTE ST 2086 (a.k.a static HDR metadata).
VideoMasteringDisplayInfoCoordinates	Used to represent display_primaries and white_point of GstVideoMasteringDisplayInfo struct.
VideoMatrixMode	Different color matrix conversion modes
VideoMeta	Extra buffer metadata describing image properties
VideoMeta.MapCallback	Functional interface declaration of the MapCallback callback.
VideoMeta.UnmapCallback	Functional interface declaration of the UnmapCallback callback.
VideoMetaTransform	Extra data passed to a video transform GstMetaTransformFunction such as: "gst-video-scale".
VideoMultiviewFlags	GstVideoMultiviewFlags are used to indicate extra properties of a stereo/multiview stream beyond the frame layout and buffer mapping that is conveyed in the GstVideoMultiviewMode.
VideoMultiviewFlagsSet	See GstVideoMultiviewFlags.
VideoMultiviewFramePacking	GstVideoMultiviewFramePacking represents the subset of GstVideoMultiviewMode values that can be applied to any video frame without needing extra metadata.
VideoMultiviewMode	All possible stereoscopic 3D and multiview representations.
VideoOrientation	The interface allows unified access to control flipping and autocenter operation of video-sources or operators.
VideoOrientation.VideoOrientation$Impl	The VideoOrientation$Impl type represents a native instance of the VideoOrientation interface.
VideoOrientation.VideoOrientationInterface	GstVideoOrientationInterface interface.
VideoOrientationMethod	The different video orientation methods.
VideoOverlay	The GstVideoOverlay interface is used for 2 main purposes : To get a grab on the Window where the video sink element is going to render.
VideoOverlay.VideoOverlay$Impl	The VideoOverlay$Impl type represents a native instance of the VideoOverlay interface.
VideoOverlay.VideoOverlayInterface	GstVideoOverlay interface
VideoOverlayComposition	Functions to create and handle overlay compositions on video buffers.
VideoOverlayCompositionMeta	Extra buffer metadata describing image overlay data.
VideoOverlayFormatFlags	Overlay format flags.
VideoOverlayRectangle	An opaque video overlay rectangle object.
VideoPackFlags	The different flags that can be used when packing and unpacking.
VideoPrimariesMode	Different primaries conversion modes
VideoRectangle	Helper structure representing a rectangular area.
VideoRegionOfInterestMeta	Extra buffer metadata describing an image region of interest
VideoResampler	GstVideoResampler is a structure which holds the information required to perform various kinds of resampling filtering.
VideoResamplerFlags	Different resampler flags.
VideoResamplerMethod	Different subsampling and upsampling methods
VideoScaler	GstVideoScaler is a utility object for rescaling and resampling video frames using various interpolation / sampling methods.
VideoScalerFlags	Different scale flags.
VideoSEIUserDataUnregisteredMeta	H.264 H.265 metadata from SEI User Data Unregistered messages
VideoSink	Provides useful functions and a base class for video sinks.
VideoSink.Builder<B extends VideoSink.Builder<B>>	Inner class implementing a builder pattern to construct a GObject with properties.
VideoSink.VideoSinkClass	The video sink class structure.
VideoTileInfo	Description of a tile.
VideoTileMode	Enum value describing the available tiling modes.
VideoTileType	Enum value describing the most common tiling types.
VideoTimeCode	fieldCount must be 0 for progressive video and 1 or 2 for interlaced.
VideoTimeCodeConfig	Supported frame rates: 30000/1001, 60000/1001 (both with and without drop frame), and integer frame rates e.g.
VideoTimeCodeFlags	Flags related to the time code information.
VideoTimeCodeInterval	A representation of a difference between two GstVideoTimeCode instances.
VideoTimeCodeMeta	Extra buffer metadata describing the GstVideoTimeCode of the frame.
VideoTransferFunction	The video transfer function defines the formula for converting between non-linear RGB (R'G'B') and linear RGB
VideoVBIEncoder	An encoder for writing ancillary data to the Vertical Blanking Interval lines of component signals.
VideoVBIParser	A parser for detecting and extracting GstVideoAncillary data from Vertical Blanking Interval lines of component signals.
VideoVBIParserResult	Return values for GstVideoVBIParser