mmal_vc_opaque_alloc.h File Reference

#include <stdint.h>
#include "interface/mmal/mmal.h"

Go to the source code of this file.

Typedefs
typedef uint32_t	MMAL_OPAQUE_IMAGE_HANDLE_T

Functions
MMAL_OPAQUE_IMAGE_HANDLE_T	mmal_vc_opaque_alloc (void)
MMAL_OPAQUE_IMAGE_HANDLE_T	mmal_vc_opaque_alloc_desc (const char *description)
MMAL_STATUS_T	mmal_vc_opaque_release (MMAL_OPAQUE_IMAGE_HANDLE_T h)
MMAL_STATUS_T	mmal_vc_opaque_acquire (MMAL_OPAQUE_IMAGE_HANDLE_T h)

Typedef Documentation

MMAL_OPAQUE_IMAGE_HANDLE_T

typedef uint32_t MMAL_OPAQUE_IMAGE_HANDLE_T

Definition at line 39 of file mmal_vc_opaque_alloc.h.

Function Documentation

mmal_vc_opaque_acquire()

MMAL_STATUS_T mmal_vc_opaque_acquire

(

MMAL_OPAQUE_IMAGE_HANDLE_T

h

)

Acquire an additional reference to an opaque image.

Parameters

handle

handle allocated earlier

Returns

MMAL_SUCCESS or error code if handle not found

mmal_vc_opaque_alloc()

MMAL_OPAQUE_IMAGE_HANDLE_T mmal_vc_opaque_alloc

(

void

)

Allocate an opaque image on VideoCore.

Returns

allocated handle, or zero if allocation failed.

mmal_vc_opaque_alloc_desc()

MMAL_OPAQUE_IMAGE_HANDLE_T mmal_vc_opaque_alloc_desc

(

const char *

description

)

Allocate an opaque image on VideoCore, providing a description.

Returns

allocated handle, or zero if allocation failed.

mmal_vc_opaque_release()

MMAL_STATUS_T mmal_vc_opaque_release

(

MMAL_OPAQUE_IMAGE_HANDLE_T

h

)

Release an opaque image.

Parameters

handle

handle allocated earlier

Returns

MMAL_SUCCESS or error code if handle not found