avcap::AVC_FormatManager Class Reference

#include <avcap/linux/AVC_FormatManager.h>

Inheritance diagram for avcap::AVC_FormatManager:

[legend]

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Detailed Description

Implementation of the FormatManager for AV/C devices.

DV-Cams usually provide only a fixed resolution (PAL: 720x576, NTSC: 720x480) YUV-format and no choice of video standards. Additionally, this manager provides RGB.

Public Member Functions
	AVC_FormatManager (AVC_DeviceDescriptor *dd)
virtual	~AVC_FormatManager ()
int	setResolution (int w, int h)
	Set the image with.
int	getFramerate ()
	Get the current framerate. Setting the framerate is not possible.
void	query ()

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Constructor & Destructor Documentation

avcap::AVC_FormatManager::AVC_FormatManager

(

AVC_DeviceDescriptor *

dd

)

virtual avcap::AVC_FormatManager::~AVC_FormatManager

(

)

[virtual]

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Member Function Documentation

int avcap::AVC_FormatManager::setResolution	(	int	w,
		int	h
	)			[virtual]

Set the image with.

For AV/C -devices the reolution is fixed and thus can't be realy modified.

Parameters:

	w,:	width
	h,:	height

Returns:

0, if the desired resolution matches the native resolution, -1 else

Reimplemented from avcap::FormatManager.

int avcap::AVC_FormatManager::getFramerate

(

)

[inline, virtual]

Get the current framerate. Setting the framerate is not possible.

Returns:

25 for PAL, 30 for NTSC(this is a little bit inaccurate, since the proper NTSC-frame rate is 29.97 fps)

Reimplemented from avcap::FormatManager.

void avcap::AVC_FormatManager::query

(

)

[virtual]

Called during initialisation by the CaptureDevice to query for the objects that the implementation of this class manages.

Implements avcap::FormatManager.

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The documentation for this class was generated from the following file:

• include/avcap/linux/AVC_FormatManager.h

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