vf_scale_vaapi.c File Reference

#include <string.h>
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"
#include "scale_eval.h"
#include "video.h"
#include "vaapi_vpp.h"

Go to the source code of this file.

Data Structures
struct	ScaleVAAPIContext

Macros
#define	D(name)   case VA_FILTER_SCALING_ ## name: return #name
#define	STRING_OPTION(var_name, func_name, default_value)
#define	OFFSET(x)   offsetof(ScaleVAAPIContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Functions
static const char *	scale_vaapi_mode_name (int mode)
static int	scale_vaapi_config_output (AVFilterLink *outlink)
static int	scale_vaapi_filter_frame (AVFilterLink *inlink, AVFrame *input_frame)
static av_cold int	scale_vaapi_init (AVFilterContext *avctx)
	AVFILTER_DEFINE_CLASS (scale_vaapi)

Variables
static const AVOption	scale_vaapi_options []
static const AVFilterPad	scale_vaapi_inputs []
static const AVFilterPad	scale_vaapi_outputs []
const AVFilter	ff_vf_scale_vaapi

Macro Definition Documentation

D

#define D

(

name

)

case VA_FILTER_SCALING_ ## name: return #name

STRING_OPTION

#define STRING_OPTION	(		var_name,
			func_name,
			default_value
	)

Value:

        do { \
        if (ctx->var_name ## _string) { \
            int var = av_ ## func_name ## _from_name(ctx->var_name ## _string); \
            if (var < 0) { \
                av_log(avctx, AV_LOG_ERROR, "Invalid %s.\n", #var_name); \
                return AVERROR(EINVAL); \
            } \
            ctx->var_name = var; \
        } else { \
            ctx->var_name = default_value; \
        } \
    } while (0)

OFFSET

#define OFFSET

(

x

)

offsetof(ScaleVAAPIContext, x)

Definition at line 217 of file vf_scale_vaapi.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 218 of file vf_scale_vaapi.c.

Function Documentation

scale_vaapi_mode_name()

static const char* scale_vaapi_mode_name ( int  mode )

static

Definition at line 55 of file vf_scale_vaapi.c.

Referenced by scale_vaapi_filter_frame().

scale_vaapi_config_output()

static int scale_vaapi_config_output ( AVFilterLink *  outlink )

static

Definition at line 70 of file vf_scale_vaapi.c.

scale_vaapi_filter_frame()

static int scale_vaapi_filter_frame ( AVFilterLink *  inlink, AVFrame *  input_frame  )

static

Definition at line 109 of file vf_scale_vaapi.c.

scale_vaapi_init()

static av_cold int scale_vaapi_init ( AVFilterContext *  avctx )

static

Definition at line 177 of file vf_scale_vaapi.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

scale_vaapi

)

Variable Documentation

scale_vaapi_options

const AVOption scale_vaapi_options[]

static

Definition at line 219 of file vf_scale_vaapi.c.

scale_vaapi_inputs

const AVFilterPad scale_vaapi_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = &scale_vaapi_filter_frame,
        .config_props = &ff_vaapi_vpp_config_input,
    },
}

Definition at line 277 of file vf_scale_vaapi.c.

scale_vaapi_outputs

const AVFilterPad scale_vaapi_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
        .config_props = &scale_vaapi_config_output,
    },
}

Definition at line 286 of file vf_scale_vaapi.c.

ff_vf_scale_vaapi

const AVFilter ff_vf_scale_vaapi

Initial value:

= {
    .name          = "scale_vaapi",
    .description   = NULL_IF_CONFIG_SMALL("Scale to/from VAAPI surfaces."),
    .priv_size     = sizeof(ScaleVAAPIContext),
    .init          = &scale_vaapi_init,
    .uninit        = &ff_vaapi_vpp_ctx_uninit,
    FILTER_INPUTS(scale_vaapi_inputs),
    FILTER_OUTPUTS(scale_vaapi_outputs),
    FILTER_QUERY_FUNC(&ff_vaapi_vpp_query_formats),
    .priv_class    = &scale_vaapi_class,
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 294 of file vf_scale_vaapi.c.