include/nvbuf_utils.h File Reference

NVBUF Utils library to be used by applications. More...

#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <errno.h>

Go to the source code of this file.

Classes

struct  _NvBufferParams

Defines

#define MAX_NUM_PLANES   3

Typedefs

typedef struct _NvBufferParams NvBufferParams

Enumerations

enum  NvBufferLayout { NvBufferLayout_Pitch, NvBufferLayout_BlockLinear }
enum  NvBufferColorFormat {
  NvBufferColorFormat_YUV420, NvBufferColorFormat_YVU420, NvBufferColorFormat_NV12, NvBufferColorFormat_NV21,
  NvBufferColorFormat_UYVY, NvBufferColorFormat_ABGR32, NvBufferColorFormat_XRGB32, NvBufferColorFormat_Invalid
}

Functions

EGLImageKHR NvEGLImageFromFd (EGLDisplay display, int dmabuf_fd)
 This method should be used for getting EGLImage from dmabuf-fd.
int NvDestroyEGLImage (EGLDisplay display, EGLImageKHR eglImage)
 This method should be used for destroying EGLImage object.
int NvBufferCreate (int *dmabuf_fd, int width, int height, NvBufferLayout layout, NvBufferColorFormat colorFormat)
 This method can be used to allocate hw buffer.
int NvBufferGetParams (int dmabuf_fd, NvBufferParams *params)
 This method can be used to get buffer parameters.
int NvBufferDestroy (int dmabuf_fd)
 This method should be used for destroying hw_buffer.


Detailed Description

NVBUF Utils library to be used by applications.

Definition in file nvbuf_utils.h.


Define Documentation

#define MAX_NUM_PLANES   3

Definition at line 28 of file nvbuf_utils.h.


Typedef Documentation


Enumeration Type Documentation

Enumerator:
NvBufferColorFormat_YUV420 
NvBufferColorFormat_YVU420 
NvBufferColorFormat_NV12 
NvBufferColorFormat_NV21 
NvBufferColorFormat_UYVY 
NvBufferColorFormat_ABGR32 
NvBufferColorFormat_XRGB32 
NvBufferColorFormat_Invalid 

Definition at line 36 of file nvbuf_utils.h.

Enumerator:
NvBufferLayout_Pitch 
NvBufferLayout_BlockLinear 

Definition at line 30 of file nvbuf_utils.h.


Function Documentation

int NvBufferCreate ( int *  dmabuf_fd,
int  width,
int  height,
NvBufferLayout  layout,
NvBufferColorFormat  colorFormat 
)

This method can be used to allocate hw buffer.

Parameters:
[out] dmabuf_fd returns dmabuf_fd of hardware buffer
[in] width hardware buffer width in bytes
[in] height hardware buffer height in bytes
[in] layout layout of buffer
[in] colorFormat colorFormat of buffer
Returns:
0 for success, -1 for failure

int NvBufferDestroy ( int  dmabuf_fd  ) 

This method should be used for destroying hw_buffer.

Parameters:
[in] dmabuf_fd dmabuf_fd hw_buffer to be destroyed
Returns:
0 for success, -1 for failure

int NvBufferGetParams ( int  dmabuf_fd,
NvBufferParams params 
)

This method can be used to get buffer parameters.

Parameters:
[in] dmabuf_fd DMABUF FD of buffer
[out] params structure which will be filled with parameters.
Returns:
0 for success, -1 for failure.

int NvDestroyEGLImage ( EGLDisplay  display,
EGLImageKHR  eglImage 
)

This method should be used for destroying EGLImage object.

Parameters:
[in] display EGLDisplay object used for destroying EGLImage
[in] eglImage EGLImageKHR object to be destroyed
Returns:
0 for success, -1 for failure

EGLImageKHR NvEGLImageFromFd ( EGLDisplay  display,
int  dmabuf_fd 
)

This method should be used for getting EGLImage from dmabuf-fd.

Parameters:
[in] display EGLDisplay object used during creation of EGLImage
[in] dmabuf_fd DMABUF FD of buffer from which EGLImage to be created
Returns:
EGLImageKHR for success, NULL for failure


Generated on Wed Nov 9 19:52:25 2016 for NVIDIA Tegra Multimedia API Framework by  doxygen 1.5.8