V4Lgrabber.C File Reference

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Detailed Description

Interface with a video4linux frame grabber

Definition in file V4Lgrabber.C.

#include "Devices/V4Lgrabber.H"
#include "Component/OptionManager.H"
#include "Devices/DeviceOpts.H"
#include "Image/ColorOps.H"
#include "Raster/GenericFrame.H"
#include "Util/Assert.H"
#include "Util/log.H"
#include "Video/VideoFrame.H"
#include <cerrno>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <unistd.h>

Include dependency graph for V4Lgrabber.C:

Go to the source code of this file.

Defines
#define	MYLOGID   itsFd
	for id-logging; see log.H:
#define	CHECK_PALETTE(p)
Functions
int	ioctl_nointr (int d, int req, void *mem)
Variables
V4LPalette	palettes [12]

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Define Documentation

#define CHECK_PALETTE (  p   )

Value: { \ vp.palette = p; \ vp.depth = 32; \ ioctl_nointr(itsFd, VIDIOCSPICT, &vp);\ ioctl_nointr(itsFd, VIDIOCGPICT, &vp);\ if (vp.palette == p) \ LINFO(" %-22s supported", #p); \ else \ LINFO(" %-22s NOT supported", #p); \ }

#define MYLOGID   itsFd

for id-logging; see log.H: Definition at line 58 of file V4Lgrabber.C.

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Variable Documentation

int depth

depth Definition at line 66 of file V4Lgrabber.C. Referenced by MotionEnergyPyrBuilder< T >::buildHorizontalMotion(), MotionEnergyPyrBuilder< T >::buildVerticalMotion(), XWindow::XWinImage::createImage(), env_chan_color(), env_direction_job_run(), env_pyr_build_hipass_9(), env_pyr_build_lowpass_5(), env_pyr_build_steerable_from_hipass_9(), env_pyr_copy_src_dst(), env_pyr_init(), env_pyr_make_empty(), PyrFoveator::foveate(), InputFrame::fromRgbDepth(), ModelManagerDialog::handleItemEdit(), main(), and QuartzQuickTimeParser::QuartzQuickTimeParser().

const char* name

name of palette e.g. "rgb24" Definition at line 67 of file V4Lgrabber.C. Referenced by Texture::bind(), cmdUsage(), combineParamMaps(), ComplexObject::ComplexObject(), VisualObjectDB::createVisualObjectDB(), density(), DirectFeedChannel::DirectFeedChannel(), BeobotLauncherListener::event(), getAllSubmaps(), LeastSquaresLearner::getBiasMap(), TestImages::getCscLabScene(), TestImages::getLabelMeScene(), getMultiObjectRef(), getObjectReference(), ModelManagerWizard::handleCheckBox(), ModelManagerWizard::handleLineEdit(), BiasImageForm::init(), VisualTrackerI::initSimEvents(), VisualCortexI::initSimEvents(), SimulationViewerI::initSimEvents(), SegmenterI::initSimEvents(), SaliencyMapI::initSimEvents(), PrefrontalCortexI::initSimEvents(), InferotemporalCortexI::initSimEvents(), SimEventsUtils::initSimEvents(), PatchSet::load(), tcl::pkg::lookup(), tcl::command_group::lookup(), tcl::command_group::impl::lookup_helper(), tcl::command_group::lookup_original(), main(), operator<<(), ObjRecBOF::printAssignedCodeWords(), Raster_xx_pfm_tags_xx_1(), ChannelFacetMap::readFacetsFrom(), Beowulf::receive(), BeoSub::recognizeSIFT(), RemoveSurprise< PIXTYPE, BETATYPE, FLOAT >::RemoveSurprise(), realvox::ripSlicesToFile(), RemoveSurprise< PIXTYPE, BETATYPE, FLOAT >::RSprocessFrame(), RemoveSurprise< PIXTYPE, BETATYPE, FLOAT >::RSsetConspicBias(), SimulationViewerSurpCont::saveResults(), ComplexChannel::saveResults(), SurpriseControl< PIXTYPE, BETATYPE, FLOAT >::SCcomputeLocalBias(), SurpriseControl< PIXTYPE, BETATYPE, FLOAT >::SCcomputeNewBeta(), SceneUnderstanding::SceneUnderstanding(), SurpriseControl< PIXTYPE, BETATYPE, FLOAT >::SCinputConspicMap(), setAllSubmaps(), PrefrontalCortexI::setCurrentState(), setupCases(), showtypeof(), SurpriseControl< PIXTYPE, BETATYPE, FLOAT >::SurpriseControl(), Texture::Texture(), SceneRec::trainFeature(), VisualCortexI::unsubscribeSimEvents(), and Texture::~Texture().

int pal

palette Definition at line 65 of file V4Lgrabber.C. Referenced by V4Lgrabber::start1().

struct V4LPalette palettes[12] [static]

Initial value: { { VIDEO_PALETTE_RGB24, 24, "bgr24", VIDFMT_RGB24 }, { VIDEO_PALETTE_RGB24 | 0x80, 24, "rgb24", VIDFMT_RGB24 }, { VIDEO_PALETTE_RGB32, 32, "bgr32", VIDFMT_RGB32 }, { VIDEO_PALETTE_RGB32 | 0x80, 32, "rgb32", VIDFMT_RGB32 }, { VIDEO_PALETTE_YUYV, 24, "yuyv 16bpp", VIDFMT_YUYV }, { VIDEO_PALETTE_YUV422, 24, "yuv422 16bpp", VIDFMT_YUV422 }, { VIDEO_PALETTE_RGB565, 16, "rgb565", VIDFMT_RGB565 }, { VIDEO_PALETTE_RGB555, 15, "rgb555", VIDFMT_RGB555 }, { VIDEO_PALETTE_YUV420, 24, "yuv420 12bpp", VIDFMT_YUV420 }, { VIDEO_PALETTE_YUV420P, 24, "yuv420 planar 12bpp", VIDFMT_YUV420P }, { VIDEO_PALETTE_GREY, 8, "grayscale 8bpp", VIDFMT_GREY }, { -1, -1, 0, VideoFormat(-1) } } array of all known palettes high preference modes have lower indices Definition at line 73 of file V4Lgrabber.C. Referenced by V4Lgrabber::start1().

VideoFormat vidformat

Frame grabber mode. Definition at line 68 of file V4Lgrabber.C. Referenced by MgzDecoder::readFrame(), and MgzEncoder::writeFrame().

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