#include <VideoIn.h>

Collaboration diagram for Linux::VideoIn:

Classes
class	Frame

Public Member Functions
bool	get_frame (Frame &frame)

void	put_frame (Frame &frame)

void	set_device_path (const char *path)

void	init ()

bool	open_device (const char *device_path, uint32_t memtype)

bool	allocate_buffers (uint32_t nbufs)

void	get_pixel_formats (std::vector< uint32_t > *formats)

bool	set_format (uint32_t width, uint32_t height, uint32_t format, uint32_t bytesperline, uint32_t *sizeimage)

bool	set_crop (uint32_t left, uint32_t top, uint32_t width, uint32_t height)

void	prepare_capture ()

Static Public Member Functions
static void	shrink_8bpp (uint8_t buffer, uint8_t new_buffer, uint32_t width, uint32_t height, uint32_t left, uint32_t selection_width, uint32_t top, uint32_t selection_height, uint32_t fx, uint32_t fy)

static void	crop_8bpp (uint8_t buffer, uint8_t new_buffer, uint32_t width, uint32_t left, uint32_t crop_width, uint32_t top, uint32_t crop_height)

static void	yuyv_to_grey (uint8_t buffer, uint32_t buffer_size, uint8_t new_buffer)

Private Member Functions
void	_queue_buffer (int index)

bool	_set_streaming (bool enable)

bool	_dequeue_frame (Frame &frame)

uint32_t	_timeval_to_us (struct timeval &tv)

Private Attributes
int	_fd = -1

struct buffer *	_buffers

unsigned int	_nbufs

bool	_streaming

uint32_t	_width

uint32_t	_height

uint32_t	_format

uint32_t	_bytesperline

uint32_t	_sizeimage

uint32_t	_memtype = V4L2_MEMORY_MMAP

Detailed Description

Definition at line 28 of file VideoIn.h.

Member Function Documentation

◆ _dequeue_frame()

bool VideoIn::_dequeue_frame ( Frame & frame )

private

Definition at line 362 of file VideoIn.cpp.

Referenced by get_frame().

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◆ _queue_buffer()

void VideoIn::_queue_buffer ( int index )

private

Definition at line 326 of file VideoIn.cpp.

Referenced by prepare_capture(), and put_frame().

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◆ _set_streaming()

bool VideoIn::_set_streaming ( bool enable )

private

Definition at line 347 of file VideoIn.cpp.

Referenced by get_frame().

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◆ _timeval_to_us()

uint32_t VideoIn::_timeval_to_us ( struct timeval & tv )

private

Definition at line 321 of file VideoIn.cpp.

Referenced by _dequeue_frame().

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◆ allocate_buffers()

bool VideoIn::allocate_buffers ( uint32_t nbufs )

Definition at line 97 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::init().

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◆ crop_8bpp()

void VideoIn::crop_8bpp	(	uint8_t *	buffer,
		uint8_t *	new_buffer,
		uint32_t	width,
		uint32_t	left,
		uint32_t	crop_width,
		uint32_t	top,
		uint32_t	crop_height
	)

static

Definition at line 292 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::_run_optflow(), and BM_Crop8bpp().

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◆ get_frame()

bool VideoIn::get_frame ( Frame & frame )

Definition at line 45 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::_run_optflow().

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◆ get_pixel_formats()

void VideoIn::get_pixel_formats ( std::vector< uint32_t > * formats )

Definition at line 163 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::init().

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◆ init()

void Linux::VideoIn::init ( )

◆ open_device()

bool VideoIn::open_device	(	const char *	device_path,
		uint32_t	memtype
	)

Definition at line 63 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::init().

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◆ prepare_capture()

void VideoIn::prepare_capture ( )

Definition at line 243 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::init().

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◆ put_frame()

void VideoIn::put_frame ( Frame & frame )

Definition at line 58 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::_run_optflow().

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◆ set_crop()

bool VideoIn::set_crop	(	uint32_t	left,
		uint32_t	top,
		uint32_t	width,
		uint32_t	height
	)

Definition at line 219 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::init().

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◆ set_device_path()

void Linux::VideoIn::set_device_path ( const char * path )

◆ set_format()

bool VideoIn::set_format	(	uint32_t *	width,
		uint32_t *	height,
		uint32_t *	format,
		uint32_t *	bytesperline,
		uint32_t *	sizeimage
	)

Definition at line 177 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::init().

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◆ shrink_8bpp()

void VideoIn::shrink_8bpp	(	uint8_t *	buffer,
		uint8_t *	new_buffer,
		uint32_t	width,
		uint32_t	height,
		uint32_t	left,
		uint32_t	selection_width,
		uint32_t	top,
		uint32_t	selection_height,
		uint32_t	fx,
		uint32_t	fy
	)

static

Definition at line 253 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::_run_optflow().

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◆ yuyv_to_grey()

void VideoIn::yuyv_to_grey	(	uint8_t *	buffer,
		uint32_t	buffer_size,
		uint8_t *	new_buffer
	)

static

Definition at line 310 of file VideoIn.cpp.

Referenced by Linux::OpticalFlow_Onboard::_run_optflow(), and BM_YuyvToGrey().

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Member Data Documentation

◆ _buffers

struct buffer* Linux::VideoIn::_buffers

private

Definition at line 75 of file VideoIn.h.

Referenced by _dequeue_frame(), _queue_buffer(), allocate_buffers(), and open_device().

◆ _bytesperline

uint32_t Linux::VideoIn::_bytesperline

private

Definition at line 81 of file VideoIn.h.

◆ _fd

int Linux::VideoIn::_fd = -1

private

Definition at line 74 of file VideoIn.h.

Referenced by _dequeue_frame(), _queue_buffer(), _set_streaming(), allocate_buffers(), get_pixel_formats(), open_device(), set_crop(), and set_format().

◆ _format

uint32_t Linux::VideoIn::_format

private

Definition at line 80 of file VideoIn.h.

◆ _height

uint32_t Linux::VideoIn::_height

private

Definition at line 79 of file VideoIn.h.

◆ _memtype

uint32_t Linux::VideoIn::_memtype = V4L2_MEMORY_MMAP

private

Definition at line 83 of file VideoIn.h.

Referenced by _dequeue_frame(), _queue_buffer(), allocate_buffers(), and open_device().

◆ _nbufs

unsigned int Linux::VideoIn::_nbufs

private

Definition at line 76 of file VideoIn.h.

Referenced by allocate_buffers(), and prepare_capture().

◆ _sizeimage

uint32_t Linux::VideoIn::_sizeimage

private

Definition at line 82 of file VideoIn.h.

◆ _streaming

bool Linux::VideoIn::_streaming

private

Definition at line 77 of file VideoIn.h.

Referenced by get_frame().

◆ _width

uint32_t Linux::VideoIn::_width

private

Definition at line 78 of file VideoIn.h.

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

libraries/AP_HAL_Linux/VideoIn.h
libraries/AP_HAL_Linux/VideoIn.cpp

Classes

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Member Function Documentation

◆ _dequeue_frame()

◆ _queue_buffer()

◆ _set_streaming()

◆ _timeval_to_us()

◆ allocate_buffers()

◆ crop_8bpp()

◆ get_frame()

◆ get_pixel_formats()

◆ init()

◆ open_device()

◆ prepare_capture()

◆ put_frame()

◆ set_crop()

◆ set_device_path()

◆ set_format()

◆ shrink_8bpp()

◆ yuyv_to_grey()

Member Data Documentation

◆ _buffers

◆ _bytesperline

◆ _fd

◆ _format

◆ _height

◆ _memtype

◆ _nbufs

◆ _sizeimage

◆ _streaming

◆ _width