Video classes. More...

Classes
class	AvcReaderStream
	Holds state for an AVC (aka H.264) decoder. More...

class	AvcReader
	A decoder for an AVC (aka H.264) video packet. More...

class	AvcReaderStreamImp
	A private pimple class for Gv::AvcReaderStream, holding AVCode, AVCodecContext and AVFrame libav objects. More...

class	BarsGenerator
	A implementation class for Gv::BarsImp. More...

class	BarsImp
	A pimple-pattern implementation class for Gv::Bars. More...

class	Bars
	An image generator for test images comprising horizontal or vertical colour bars. More...

class	Cache
	A queue of recent images that can be flushed to the filesystem on demand. More...

class	Camera
	A high-level webcam interface that hooks into the GNet event loop and acts as an Gv::ImageInputSource. More...

class	Capture
	A video capture abstract interface, exposing a file descriptor and a method to handle read events on it. More...

class	CaptureCallback
	A callback interface for the Gv::Capture class. More...

class	CaptureTest
	A Gv::Capture implementation that serves up dummy frames created by a Gv::ImageGenerator. More...

class	CaptureImp
	A private implementation class used by Gv::CaptureV4l. More...

class	CaptureRequeuer
	A RAII class to do ioctl(VIDIOC_QBUF) on a v4l buffer. More...

class	CaptureV4l
	A video capture implementation for video-for-linux (v4l). More...

class	CaptureBufferScale
	A structure holding capture buffer dimensions. More...

class	CaptureBuffer
	A video-capture buffer class to hold image data, with overloaded constructors for the various V4l i/o mechanisms. More...

class	CaptureBufferComponent
	A descriptor for one colour component in a Gv::CaptureBufferFormat structure. More...

class	CaptureBufferFormat
	A descriptor for a v4l pixel format. More...

class	CaptureBufferIterator
	A const iterator for a single row of Gv::CaptureBuffer pixels. More...

class	CaptureFactory
	A factory class for G::Capture. More...

class	ClientHolder
	Manages a network client object so that the network client is automatically re-created from a factory when it finishes, or alternatively the event loop is quit()ed. More...

class	CommandSocketMixinImp
	A pimple-pattern implementation class for Gv::CommandSocketMixin. More...

class	CommandSocket
	A non-blocking datagram socket that is used for sending and receiving process control commands. More...

class	CommandSocketMixin
	A mixin base class that contains a bound Gv::CommandSocket object integrated with the GNet::EventLoop. More...

class	DatabaseWrapper
	A concrete Database class that aggregates up to one second intervals and then delegates to (eg.) DatabaseRrd. More...

class	DatabaseRrd
	Manages an rrdtool database under the Gv::Database interface. More...

class	Database
	An abstract interface for a timeseries database that holds video analysis statistics. More...

class	DemoImp
	A pimple-pattern implementation class for Gv::Demo. More...

class	Demo
	An image generator class for a demo animation. More...

class	Exit
	A simple exception structure holding a program exit value. More...

class	HttpServerInput
	An ImageInput class that integrates with the event loop, with automatic re-opening if the channel goes away for a while. More...

class	HttpServerSource
	Used by a ImageInputHandler-derived object to hold a ImageInputSource pointer. More...

class	HttpServerSources
	A container for ImageInputSource pointers, used by Gv::HttpServerPeer. More...

class	HttpServerResources
	A configuration structure for resources that Gv::HttpServerPeer makes available. More...

class	HttpServerConfig
	A configuration structure for Gv::HttpServerPeer holding default settings from the command-line which are then overriden by url parameters. More...

class	HttpServerPeer
	A GNet::ServerPeer class for HTTP servers that serves up image streams. More...

class	ImageGenerator
	An abstract interface for filling a YUYV capture buffer with a generated image. More...

class	ImageInputConversion
	A structure that describes the preferred image type for the Gv::ImageInputHandler callback. More...

class	ImageInputTask
	A private implementation class used by Gv::ImageInputSource. More...

class	ImageInputHandler
	A callback interface for Gv::ImageInputSource. More...

class	ImageInputSource
	A base class for distributing incoming images to multiple client objects, supporting some simple image type conversions. More...

class	ImageInput
	A class for reading images from a publication channel and distributing them to multiple client objects. More...

class	ImageOutput
	A class for emiting images etc to a fat pipe that feeds a spawned viewer process, and/or to a publication channel, and/or to a filesystem image repository. More...

class	Mask
	Implements a binary mask over an image that can be edited by mouse actions, and that can be stored on disk. More...

class	Multicast
	A class to do setsocketopt() on a socket file descriptor, with IP_ADD_MEMBERSHIP. More...

class	Overlay
	A class that can add a text overlay to an image. More...

class	RibbonRange
	Represents a day span within the file store, used by Gv::Ribbon. More...

class	Ribbon
	Holds ribbon data that can be used to add a ribbon widget to a video stream display. More...

class	RtpAvcPacket
	An RTP payload parser for the "H264" payload type. More...

class	RtpAvcPacketStream
	A class that accumulates RTP-AVC packets and serves up AVC NALUs. More...

class	RtpJpegPacket
	An RTP payload parser for the jpeg payload type. More...

class	RtpPacket
	An RTP packet parser, as per RFC 3550 (section 5). More...

class	RtpPacketStream
	A class that accumulates RTP-AVC or RTP-JPEG packets and serves up AVC NALUs or JPEG JFIFs. More...

class	RtpServer
	An RTP server class. More...

class	RtpServerHandler
	A interface that Gv::RtpServer uses to deliver image data. More...

class	Sdp
	A parser for a Session Description Protocol block, with a MIME type of "application/sdp". More...

class	Startup
	A handy synthesis of G::LogOutput, G::GetOpt, G::Root, G::Daemon and G::PidFile, used to initialise a server process. More...

class	Timezone
	A representation of a timezone. More...

class	ViewerEventMixinImp
	A pimple-pattern implementation class for Gv::ViewerEventMixin. More...

class	ViewerEvent
	A class for receiving and handling events published from a viewer process. More...

class	ViewerEventMixin
	A mixin base-class containing a ViewerEvent object that integrates with the GNet::EventLoop. More...

class	ViewerInputHandler
	A callback interface for Gv::ViewerInput. More...

class	ViewerInputConfig
	A structure to hold configuration for a Gv::ViewerInput object. More...

class	ViewerInput
	An input channel for images. More...

class	ViewerWindowConfig
	A configuration structure for Gv::ViewerWindow. More...

class	ViewerWindowHandler
	A callback interface for Gv::ViewerWindow. More...

class	ViewerWindow
	An abstract base class for a viewer window. More...

class	ViewerWindowAnsi
	A pimple-pattern implementation class for Gv::ViewerWindow that uses ansi escape sequences. More...

class	ViewerWindowCurses
	A pimple-pattern implementation class for ViewerWindow that uses curses. More...

class	ViewerWindowXBase
	A private base class for ViewerWindowX that initialises the display before the window is created by the GX::Window base class. More...

class	ViewerWindowX
	A pimple-pattern implementation class for ViewerWindow that uses X11. More...

class	ViewerWindowFactory
	A factory class for Gv::ViewerWindow. More...

Functions
std::ostream &	operator<< (std::ostream &stream, const AvcReader::Component &c)

bool	operator== (ImageInputConversion a, ImageInputConversion b)

bool	operator== (const ImageInputTask &a, const ImageInputTask &b)

std::ostream &	operator<< (std::ostream &stream, const ViewerEvent::Info &event)

Detailed Description

Video classes.

Key classes are:

Classes

Functions

Detailed Description