---

QtVision Class Reference

This library is part of the QtVision application, and provides an easy to use API for accessing Video4Linux devices in KDE applications.

Core Classes

QtVisionIface : The DCOP interface to QtVision.

QtVision A QObject that provides a high-level API to the TV.

Components

QtVisionPart : A KPart that displays a TV picture.

ChannelEditor : A widget for editing a suite of TV channels.

QtVisionWidget : A QWidget that displays a TV picture.

QtVisionApplet : A KPanelApplet that displays a TV picture.

QtVisionExtension : A KPanelExtension that displays a TV picture.

Actions

QtVisionActions : Creates the KActions for QtVision widgets.

SliderAction : A KAction that displays a number using the QSlider class.

LCDNumberAction : A KAction that displays a number using the QLCDNumber class.

Channel Handling

Channel : A single TV channel.

ChannelStore : A suite of TV channels.

ChannelIO : A simple interface for loading and saving suites of channels.

ChannelIOFormat : A baseclass for channel format handlers.

Low-Level API

If you need to interact with a video device at a lower level than that provided by the QtVision abstraction then you should use the V4LDev class. This class (and those that inherit from it) provide a wrapper around the various Video4Linux ioctl calls.

V4LDev : A generic interface implemented by all video devices.

V4LTuner : A tuner device.

V4LCamera A camera device.

---