QtV4L2 Namespace Reference

Classes
struct	V4L2CameraInfo
class	QV4L2Camera
class	QV4L2CameraDevices
class	QV4L2FileDescriptor
class	QV4L2MemoryTransfer

Typedefs
using	QV4L2FileDescriptorPtr = std::shared_ptr<QV4L2FileDescriptor>
using	QV4L2MemoryTransferUPtr = std::unique_ptr<QV4L2MemoryTransfer>

Functions
	Q_STATIC_LOGGING_CATEGORY (qLcV4L2Camera, "qt.multimedia.v4l2.camera")
QVideoFrameFormat::PixelFormat	formatForV4L2Format (uint32_t v4l2Format)
uint32_t	v4l2FormatForPixelFormat (QVideoFrameFormat::PixelFormat format)
	Q_STATIC_LOGGING_CATEGORY (qLcV4L2CameraDevices, "qt.multimedia.v4l2.cameradevices")
static bool	areCamerasEqual (QSpan< const QCameraDevice > a, QSpan< const QCameraDevice > b)
	Q_STATIC_LOGGING_CATEGORY (qLcV4L2MemoryTransfer, "qt.multimedia.v4l2.memorytransfer")
QV4L2MemoryTransferUPtr	makeUserPtrMemoryTransfer (QV4L2FileDescriptorPtr fileDescriptor, quint32 imageSize)
QV4L2MemoryTransferUPtr	makeMMapMemoryTransfer (QV4L2FileDescriptorPtr fileDescriptor)

Variables
struct {
QVideoFrameFormat::PixelFormat   QtV4L2::fmt
uint32_t   QtV4L2::v4l2Format
}	formatMap []

Typedef Documentation

QV4L2FileDescriptorPtr

using QtV4L2::QV4L2FileDescriptorPtr = std::shared_ptr<QV4L2FileDescriptor>

Definition at line 30 of file qv4l2memorytransfer_p.h.

QV4L2MemoryTransferUPtr

using QtV4L2::QV4L2MemoryTransferUPtr = std::unique_ptr<QV4L2MemoryTransfer>

Definition at line 60 of file qv4l2memorytransfer_p.h.

Function Documentation

areCamerasEqual()

bool QtV4L2::areCamerasEqual ( QSpan< const QCameraDevice > a, QSpan< const QCameraDevice > b )

static

Definition at line 24 of file qv4l2cameradevices.cpp.

formatForV4L2Format()

QVideoFrameFormat::PixelFormat QtV4L2::formatForV4L2Format

(

uint32_t

v4l2Format

)

Definition at line 49 of file qv4l2camera.cpp.

makeMMapMemoryTransfer()

QV4L2MemoryTransferUPtr QtV4L2::makeMMapMemoryTransfer

(

QV4L2FileDescriptorPtr

fileDescriptor

)

Definition at line 232 of file qv4l2memorytransfer.cpp.

makeUserPtrMemoryTransfer()

QV4L2MemoryTransferUPtr QtV4L2::makeUserPtrMemoryTransfer	(	QV4L2FileDescriptorPtr	fileDescriptor,
		quint32	imageSize )

Definition at line 226 of file qv4l2memorytransfer.cpp.

Q_STATIC_LOGGING_CATEGORY() [1/3]

QtV4L2::Q_STATIC_LOGGING_CATEGORY	(	qLcV4L2Camera	,
		"qt.multimedia.v4l2.camera"	)

Q_STATIC_LOGGING_CATEGORY() [2/3]

QtV4L2::Q_STATIC_LOGGING_CATEGORY	(	qLcV4L2CameraDevices	,
		"qt.multimedia.v4l2.cameradevices"	)

Q_STATIC_LOGGING_CATEGORY() [3/3]

QtV4L2::Q_STATIC_LOGGING_CATEGORY	(	qLcV4L2MemoryTransfer	,
		"qt.multimedia.v4l2.memorytransfer"	)

v4l2FormatForPixelFormat()

uint32_t QtV4L2::v4l2FormatForPixelFormat

(

QVideoFrameFormat::PixelFormat

format

)

Definition at line 60 of file qv4l2camera.cpp.

Variable Documentation

fmt

QVideoFrameFormat::PixelFormat QtV4L2::fmt

Definition at line 24 of file qv4l2camera.cpp.

[struct]

const struct { ... } QtV4L2::formatMap

Initial value:

= {
    
    { QVideoFrameFormat::Format_YUV420P, V4L2_PIX_FMT_YUV420 },
    { QVideoFrameFormat::Format_YUV422P, V4L2_PIX_FMT_YUV422P },
    { QVideoFrameFormat::Format_YUYV, V4L2_PIX_FMT_YUYV },
    { QVideoFrameFormat::Format_UYVY, V4L2_PIX_FMT_UYVY },
    { QVideoFrameFormat::Format_XBGR8888, V4L2_PIX_FMT_XBGR32 },
    { QVideoFrameFormat::Format_XRGB8888, V4L2_PIX_FMT_XRGB32 },
    { QVideoFrameFormat::Format_ABGR8888, V4L2_PIX_FMT_ABGR32 },
    { QVideoFrameFormat::Format_ARGB8888, V4L2_PIX_FMT_ARGB32 },
    { QVideoFrameFormat::Format_BGRX8888, V4L2_PIX_FMT_BGR32 },
    { QVideoFrameFormat::Format_RGBX8888, V4L2_PIX_FMT_RGB32 },
    { QVideoFrameFormat::Format_BGRA8888, V4L2_PIX_FMT_BGRA32 },
    { QVideoFrameFormat::Format_RGBA8888, V4L2_PIX_FMT_RGBA32 },
    { QVideoFrameFormat::Format_Y8, V4L2_PIX_FMT_GREY },
    { QVideoFrameFormat::Format_Y16, V4L2_PIX_FMT_Y16 },
    { QVideoFrameFormat::Format_NV12, V4L2_PIX_FMT_NV12 },
    { QVideoFrameFormat::Format_NV21, V4L2_PIX_FMT_NV21 },
    { QVideoFrameFormat::Format_Jpeg, V4L2_PIX_FMT_MJPEG },
    { QVideoFrameFormat::Format_Jpeg, V4L2_PIX_FMT_JPEG },
    { QVideoFrameFormat::Format_Invalid, 0 },
}

v4l2Format

uint32_t QtV4L2::v4l2Format

Definition at line 25 of file qv4l2camera.cpp.