vf_scale_vaapi.c File Reference

#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "scale.h"
#include "video.h"
#include "vaapi_vpp.h"

Go to the source code of this file.

Data Structures
struct	ScaleVAAPIContext

Macros
#define	OFFSET(x)   offsetof(ScaleVAAPIContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Functions
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 []
AVFilter	ff_vf_scale_vaapi

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(ScaleVAAPIContext, x)

Definition at line 168 of file vf_scale_vaapi.c.

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 169 of file vf_scale_vaapi.c.

Function Documentation

static int scale_vaapi_config_output ( AVFilterLink *  outlink )

static

Definition at line 42 of file vf_scale_vaapi.c.

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

static

Definition at line 68 of file vf_scale_vaapi.c.

static av_cold int scale_vaapi_init ( AVFilterContext *  avctx )

static

Definition at line 146 of file vf_scale_vaapi.c.

AVFILTER_DEFINE_CLASS

(

scale_vaapi

)

Variable Documentation

const AVOption scale_vaapi_options[]

static

Initial value:

= {
    { "w", "Output video width",
      OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
    { "h", "Output video height",
      OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
    { "format", "Output video format (software format of hardware frames)",
      OFFSET(output_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
    { NULL },
}

Definition at line 170 of file vf_scale_vaapi.c.

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,
    },
    { NULL }
}

Definition at line 182 of file vf_scale_vaapi.c.

const AVFilterPad scale_vaapi_outputs[]

static

Initial value:

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

Definition at line 192 of file vf_scale_vaapi.c.

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,
    .query_formats = &ff_vaapi_vpp_query_formats,
    .inputs        = scale_vaapi_inputs,
    .outputs       = scale_vaapi_outputs,
    .priv_class    = &scale_vaapi_class,
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 201 of file vf_scale_vaapi.c.