hwcontext_cuda.c File Reference

#include "buffer.h"
#include "common.h"
#include "hwcontext.h"
#include "hwcontext_internal.h"
#include "hwcontext_cuda_internal.h"
#include "cuda_check.h"
#include "mem.h"
#include "pixdesc.h"
#include "pixfmt.h"
#include "imgutils.h"

Go to the source code of this file.

Data Structures
struct	CUDAFramesContext

Macros
#define	CUDA_FRAME_ALIGNMENT   256
#define	CHECK_CU(x)   FF_CUDA_CHECK_DL(device_ctx, cu, x)

Functions
static int	cuda_frames_get_constraints (AVHWDeviceContext *ctx, const void *hwconfig, AVHWFramesConstraints *constraints)
static void	cuda_buffer_free (void *opaque, uint8_t *data)
static AVBufferRef *	cuda_pool_alloc (void *opaque, int size)
static int	cuda_frames_init (AVHWFramesContext *ctx)
static int	cuda_get_buffer (AVHWFramesContext *ctx, AVFrame *frame)
static int	cuda_transfer_get_formats (AVHWFramesContext *ctx, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
static int	cuda_transfer_data_from (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
static int	cuda_transfer_data_to (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
static void	cuda_device_uninit (AVHWDeviceContext *device_ctx)
static int	cuda_device_init (AVHWDeviceContext *ctx)
static int	cuda_device_create (AVHWDeviceContext *device_ctx, const char *device, AVDictionary *opts, int flags)

Variables
static enum AVPixelFormat	supported_formats []
const HWContextType	ff_hwcontext_type_cuda

Macro Definition Documentation

CUDA_FRAME_ALIGNMENT

#define CUDA_FRAME_ALIGNMENT   256

Definition at line 30 of file hwcontext_cuda.c.

CHECK_CU

#define CHECK_CU

(

x

)

FF_CUDA_CHECK_DL(device_ctx, cu, x)

Definition at line 47 of file hwcontext_cuda.c.

Function Documentation

cuda_frames_get_constraints()

static int cuda_frames_get_constraints ( AVHWDeviceContext *  ctx, const void *  hwconfig, AVHWFramesConstraints *  constraints  )

static

Definition at line 49 of file hwcontext_cuda.c.

cuda_buffer_free()

static void cuda_buffer_free ( void *  opaque, uint8_t *  data  )

static

Definition at line 74 of file hwcontext_cuda.c.

Referenced by cuda_pool_alloc().

cuda_pool_alloc()

static AVBufferRef* cuda_pool_alloc ( void *  opaque, int  size  )

static

Definition at line 90 of file hwcontext_cuda.c.

Referenced by cuda_frames_init().

cuda_frames_init()

static int cuda_frames_init ( AVHWFramesContext *  ctx )

static

Definition at line 121 of file hwcontext_cuda.c.

cuda_get_buffer()

static int cuda_get_buffer ( AVHWFramesContext *  ctx, AVFrame *  frame  )

static

Definition at line 151 of file hwcontext_cuda.c.

cuda_transfer_get_formats()

static int cuda_transfer_get_formats ( AVHWFramesContext *  ctx, enum AVHWFrameTransferDirection  dir, enum AVPixelFormat **  formats  )

static

Definition at line 179 of file hwcontext_cuda.c.

cuda_transfer_data_from()

static int cuda_transfer_data_from ( AVHWFramesContext *  ctx, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 197 of file hwcontext_cuda.c.

cuda_transfer_data_to()

static int cuda_transfer_data_to ( AVHWFramesContext *  ctx, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 239 of file hwcontext_cuda.c.

cuda_device_uninit()

static void cuda_device_uninit ( AVHWDeviceContext *  device_ctx )

static

Definition at line 277 of file hwcontext_cuda.c.

Referenced by cuda_device_create(), and cuda_device_init().

cuda_device_init()

static int cuda_device_init ( AVHWDeviceContext *  ctx )

static

Definition at line 293 of file hwcontext_cuda.c.

Referenced by cuda_device_create().

cuda_device_create()

static int cuda_device_create ( AVHWDeviceContext *  device_ctx, const char *  device, AVDictionary *  opts, int  flags  )

static

Definition at line 319 of file hwcontext_cuda.c.

Variable Documentation

supported_formats

enum AVPixelFormat supported_formats[]

static

Initial value:

= {
    AV_PIX_FMT_NV12,
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_P010,
    AV_PIX_FMT_P016,
    AV_PIX_FMT_YUV444P16,
    AV_PIX_FMT_0RGB32,
    AV_PIX_FMT_0BGR32,
}

Definition at line 36 of file hwcontext_cuda.c.

Referenced by cuda_frames_get_constraints(), and cuda_frames_init().

ff_hwcontext_type_cuda

const HWContextType ff_hwcontext_type_cuda

Initial value:

= {
    .type                 = AV_HWDEVICE_TYPE_CUDA,
    .name                 = "CUDA",
 
    .device_hwctx_size    = sizeof(AVCUDADeviceContext),
    .frames_priv_size     = sizeof(CUDAFramesContext),
 
    .device_create        = cuda_device_create,
    .device_init          = cuda_device_init,
    .device_uninit        = cuda_device_uninit,
    .frames_get_constraints = cuda_frames_get_constraints,
    .frames_init          = cuda_frames_init,
    .frames_get_buffer    = cuda_get_buffer,
    .transfer_get_formats = cuda_transfer_get_formats,
    .transfer_data_to     = cuda_transfer_data_to,
    .transfer_data_from   = cuda_transfer_data_from,
 
    .pix_fmts             = (const enum AVPixelFormat[]){ AV_PIX_FMT_CUDA, AV_PIX_FMT_NONE },
}

Definition at line 363 of file hwcontext_cuda.c.