CCameraOutput Class Reference

#include <camera.h>

Public Member Functions
bool	BeginReadFrame (const void *&out_buffer, int &out_buffer_size)
MMAL_BUFFER_HEADER_T *	BeginReadFrame ()
	CCameraOutput ()
MMAL_COMPONENT_T *	CreateResizeComponentAndSetupPorts (MMAL_PORT_T *video_output_port, bool do_argb_conversion)
MMAL_POOL_T *	EnablePortCallbackAndCreateBufferPool (MMAL_PORT_T *port, MMAL_PORT_BH_CB_T cb, int buffer_count)
void	EndReadFrame ()
bool	Init (int width, int height, MMAL_COMPONENT_T *input_component, int input_port_idx, bool do_argb_conversion, USemaphore *postOnNewImage)
void	OnVideoBufferCallback (MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
int	ReadFrame (void *buffer, int buffer_size)
void	Release ()
	~CCameraOutput ()

Static Public Member Functions
static void	VideoBufferCallback (MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)

Public Attributes
MMAL_POOL_T *	BufferPool
MMAL_PORT_T *	BufferPort
MMAL_CONNECTION_T *	Connection
int	Height
MMAL_BUFFER_HEADER_T *	LockedBuffer
USemaphore *	newImg
MMAL_QUEUE_T *	OutputQueue
MMAL_COMPONENT_T *	ResizerComponent
int	Width

Constructor & Destructor Documentation

CCameraOutput::CCameraOutput

(

)

CCameraOutput::~CCameraOutput

(

)

Member Function Documentation

bool CCameraOutput::BeginReadFrame	(	const void *&	out_buffer,
		int &	out_buffer_size
	)

Referenced by CCamera::BeginReadFrame().

MMAL_BUFFER_HEADER_T * CCameraOutput::BeginReadFrame

(

)

begin read frame - gets buffer element and locks it

Returns

pointer to a locked buffer or NULL if no buffer is available

MMAL_COMPONENT_T * CCameraOutput::CreateResizeComponentAndSetupPorts	(	MMAL_PORT_T *	video_output_port,
		bool	do_argb_conversion
	)

References CCamera::Height, and CCamera::Width.

MMAL_POOL_T * CCameraOutput::EnablePortCallbackAndCreateBufferPool	(	MMAL_PORT_T *	port,
		MMAL_PORT_BH_CB_T	cb,
		int	buffer_count
	)

void CCameraOutput::EndReadFrame

(

)

Referenced by CCamera::EndReadFrame().

bool CCameraOutput::Init	(	int	width,
		int	height,
		MMAL_COMPONENT_T *	input_component,
		int	input_port_idx,
		bool	do_argb_conversion,
		USemaphore *	postOnNewImage
	)

References CCamera::Height, and CCamera::Width.

void CCameraOutput::OnVideoBufferCallback	(	MMAL_PORT_T *	port,
		MMAL_BUFFER_HEADER_T *	buffer
	)

int CCameraOutput::ReadFrame	(	void *	buffer,
		int	buffer_size
	)

References CCamera::BeginReadFrame(), and CCamera::EndReadFrame().

Referenced by CCamera::ReadFrame().

void CCameraOutput::Release

(

)

Referenced by CCamera::Init(), and CCamera::Release().

void CCameraOutput::VideoBufferCallback ( MMAL_PORT_T *  port, MMAL_BUFFER_HEADER_T *  buffer  )

static

Member Data Documentation

MMAL_POOL_T* CCameraOutput::BufferPool

MMAL_PORT_T* CCameraOutput::BufferPort

MMAL_CONNECTION_T* CCameraOutput::Connection

int CCameraOutput::Height

MMAL_BUFFER_HEADER_T* CCameraOutput::LockedBuffer

USemaphore* CCameraOutput::newImg

MMAL_QUEUE_T* CCameraOutput::OutputQueue

MMAL_COMPONENT_T* CCameraOutput::ResizerComponent

int CCameraOutput::Width

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

• camera.h
• camera.cpp