vf_scale_vaapi.c File Reference

#include <string.h>
#include <va/va.h>
#include <va/va_vpp.h>
#include "libavutil/avassert.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_vaapi.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"

Go to the source code of this file.

Data Structures
struct	ScaleVAAPIContext

Macros
#define	CS(av, va)   case AVCOL_SPC_ ## av: return VAProcColorStandard ## va;
#define	OFFSET(x)   offsetof(ScaleVAAPIContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Functions
static int	scale_vaapi_query_formats (AVFilterContext *avctx)
static int	scale_vaapi_pipeline_uninit (ScaleVAAPIContext *ctx)
static int	scale_vaapi_config_input (AVFilterLink *inlink)
static int	scale_vaapi_config_output (AVFilterLink *outlink)
static int	vaapi_proc_colour_standard (enum AVColorSpace av_cs)
static int	scale_vaapi_filter_frame (AVFilterLink *inlink, AVFrame *input_frame)
static av_cold int	scale_vaapi_init (AVFilterContext *avctx)
static av_cold void	scale_vaapi_uninit (AVFilterContext *avctx)

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

Macro Definition Documentation

#define CS	(		av,
			va
	)		case AVCOL_SPC_ ## av: return VAProcColorStandard ## va;

Referenced by vaapi_proc_colour_standard().

#define OFFSET

(

x

)

offsetof(ScaleVAAPIContext, x)

Definition at line 432 of file vf_scale_vaapi.c.

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 433 of file vf_scale_vaapi.c.

Function Documentation

static int scale_vaapi_query_formats ( AVFilterContext *  avctx )

static

Definition at line 64 of file vf_scale_vaapi.c.

static int scale_vaapi_pipeline_uninit ( ScaleVAAPIContext *  ctx )

static

Definition at line 81 of file vf_scale_vaapi.c.

Referenced by scale_vaapi_config_input(), scale_vaapi_config_output(), and scale_vaapi_uninit().

static int scale_vaapi_config_input ( AVFilterLink *  inlink )

static

Definition at line 100 of file vf_scale_vaapi.c.

static int scale_vaapi_config_output ( AVFilterLink *  outlink )

static

Definition at line 119 of file vf_scale_vaapi.c.

static int vaapi_proc_colour_standard ( enum AVColorSpace  av_cs )

static

Definition at line 254 of file vf_scale_vaapi.c.

Referenced by scale_vaapi_filter_frame().

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

static

Definition at line 268 of file vf_scale_vaapi.c.

static av_cold int scale_vaapi_init ( AVFilterContext *  avctx )

static

Definition at line 397 of file vf_scale_vaapi.c.

static av_cold void scale_vaapi_uninit ( AVFilterContext *  avctx )

static

Definition at line 419 of file vf_scale_vaapi.c.

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 434 of file vf_scale_vaapi.c.

const AVClass scale_vaapi_class

static

Initial value:

= {
    .class_name = "scale_vaapi",
    .item_name  = av_default_item_name,
    .option     = scale_vaapi_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 444 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 = &scale_vaapi_config_input,
    },
    { NULL }
}

Definition at line 451 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 461 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        = &scale_vaapi_uninit,
    .query_formats = &scale_vaapi_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 470 of file vf_scale_vaapi.c.