vf_hwupload_cuda.c File Reference

#include "libavutil/buffer.h"
#include "libavutil/hwcontext.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	CudaUploadContext

Macros
#define	OFFSET(x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Enumerations
enum	{ CUDAUPLOAD_FMT_CUDA , CUDAUPLOAD_FMT_CUARRAY , CUDAUPLOAD_FMT_NB }

Functions
static av_cold int	cudaupload_init (AVFilterContext *ctx)
static av_cold void	cudaupload_uninit (AVFilterContext *ctx)
static int	cudaupload_query_formats (const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
static int	cudaupload_config_output (AVFilterLink *outlink)
static int	cudaupload_filter_frame (AVFilterLink *link, AVFrame *in)
	AVFILTER_DEFINE_CLASS (cudaupload)

Variables
static const AVOption	cudaupload_options []
static const AVFilterPad	cudaupload_inputs []
static const AVFilterPad	cudaupload_outputs []
const FFFilter	ff_vf_hwupload_cuda

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(CudaUploadContext, x)

Definition at line 181 of file vf_hwupload_cuda.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 182 of file vf_hwupload_cuda.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
CUDAUPLOAD_FMT_CUDA
CUDAUPLOAD_FMT_CUARRAY
CUDAUPLOAD_FMT_NB

Definition at line 29 of file vf_hwupload_cuda.c.

Function Documentation

cudaupload_init()

static av_cold int cudaupload_init ( AVFilterContext * ctx )

static

Definition at line 44 of file vf_hwupload_cuda.c.

cudaupload_uninit()

static av_cold void cudaupload_uninit ( AVFilterContext * ctx )

static

Definition at line 54 of file vf_hwupload_cuda.c.

cudaupload_query_formats()

static int cudaupload_query_formats ( const AVFilterContext * ctx, AVFilterFormatsConfig ** cfg_in, AVFilterFormatsConfig ** cfg_out )

static

Definition at line 62 of file vf_hwupload_cuda.c.

cudaupload_config_output()

static int cudaupload_config_output ( AVFilterLink * outlink )

static

Definition at line 106 of file vf_hwupload_cuda.c.

cudaupload_filter_frame()

static int cudaupload_filter_frame ( AVFilterLink * link, AVFrame * in )

static

Definition at line 145 of file vf_hwupload_cuda.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

cudaupload

)

Variable Documentation

cudaupload_options

const AVOption cudaupload_options[]

static

Initial value:

= {
    { "device", "Number of the device to use", OFFSET(device_idx), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
    { "output_format", "Output frame format", OFFSET(output_format), AV_OPT_TYPE_INT, { .i64 = CUDAUPLOAD_FMT_CUDA }, 0, CUDAUPLOAD_FMT_NB - 1, FLAGS, .unit = "output_format" },
        { "cuda",    "Pitch-linear device memory (default)", 0, AV_OPT_TYPE_CONST, { .i64 = CUDAUPLOAD_FMT_CUDA },    .flags = FLAGS, .unit = "output_format" },
        { "cuarray", "Block-linear CUDA array",              0, AV_OPT_TYPE_CONST, { .i64 = CUDAUPLOAD_FMT_CUARRAY }, .flags = FLAGS, .unit = "output_format" },
    { NULL },
}

Definition at line 183 of file vf_hwupload_cuda.c.

cudaupload_inputs

const AVFilterPad cudaupload_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = cudaupload_filter_frame,
    },
}

Definition at line 193 of file vf_hwupload_cuda.c.

cudaupload_outputs

const AVFilterPad cudaupload_outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = cudaupload_config_output,
    },
}

Definition at line 201 of file vf_hwupload_cuda.c.

ff_vf_hwupload_cuda

const FFFilter ff_vf_hwupload_cuda

Initial value:

= {
    .p.name        = "hwupload_cuda",
    .p.description = NULL_IF_CONFIG_SMALL("Upload a system memory frame to a CUDA device."),
 
    .p.priv_class  = &cudaupload_class,
 
    .init      = cudaupload_init,
    .uninit    = cudaupload_uninit,
 
    .priv_size  = sizeof(CudaUploadContext),
 
    FILTER_INPUTS(cudaupload_inputs),
    FILTER_OUTPUTS(cudaupload_outputs),
 
    FILTER_QUERY_FUNC2(cudaupload_query_formats),
 
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 209 of file vf_hwupload_cuda.c.