vf_procamp_vaapi.c File Reference

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

Go to the source code of this file.

Data Structures
struct	ProcampVAAPIContext

Macros
#define	BRIGHTNESS_MIN   -100.0F
#define	BRIGHTNESS_MAX   100.0F
#define	BRIGHTNESS_DEFAULT   0.0F
#define	CONTRAST_MIN   0.0F
#define	CONTRAST_MAX   10.0F
#define	CONTRAST_DEFAULT   1.0F
#define	HUE_MIN   -180.0F
#define	HUE_MAX   180.0F
#define	HUE_DEFAULT   0.0F
#define	SATURATION_MIN   0.0F
#define	SATURATION_MAX   10.0F
#define	SATURATION_DEFAULT   1.0F
#define	OFFSET(x)   offsetof(ProcampVAAPIContext, x)
#define	FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)

Functions
static float	map (float x, float in_min, float in_max, float out_min, float out_max)
static int	procamp_vaapi_build_filter_params (AVFilterContext *avctx)
static int	procamp_vaapi_filter_frame (AVFilterLink *inlink, AVFrame *input_frame)
static av_cold int	procamp_vaapi_init (AVFilterContext *avctx)
	AVFILTER_DEFINE_CLASS (procamp_vaapi)

Variables
static const AVOption	procamp_vaapi_options []
static const AVFilterPad	procamp_vaapi_inputs []
static const AVFilterPad	procamp_vaapi_outputs []
const FFFilter	ff_vf_procamp_vaapi

Macro Definition Documentation

BRIGHTNESS_MIN

#define BRIGHTNESS_MIN   -100.0F

Definition at line 29 of file vf_procamp_vaapi.c.

BRIGHTNESS_MAX

#define BRIGHTNESS_MAX   100.0F

Definition at line 30 of file vf_procamp_vaapi.c.

BRIGHTNESS_DEFAULT

#define BRIGHTNESS_DEFAULT   0.0F

Definition at line 31 of file vf_procamp_vaapi.c.

CONTRAST_MIN

#define CONTRAST_MIN   0.0F

Definition at line 33 of file vf_procamp_vaapi.c.

CONTRAST_MAX

#define CONTRAST_MAX   10.0F

Definition at line 34 of file vf_procamp_vaapi.c.

CONTRAST_DEFAULT

#define CONTRAST_DEFAULT   1.0F

Definition at line 35 of file vf_procamp_vaapi.c.

HUE_MIN

#define HUE_MIN   -180.0F

Definition at line 37 of file vf_procamp_vaapi.c.

HUE_MAX

#define HUE_MAX   180.0F

Definition at line 38 of file vf_procamp_vaapi.c.

HUE_DEFAULT

#define HUE_DEFAULT   0.0F

Definition at line 39 of file vf_procamp_vaapi.c.

SATURATION_MIN

#define SATURATION_MIN   0.0F

Definition at line 41 of file vf_procamp_vaapi.c.

SATURATION_MAX

#define SATURATION_MAX   10.0F

Definition at line 42 of file vf_procamp_vaapi.c.

SATURATION_DEFAULT

#define SATURATION_DEFAULT   1.0F

Definition at line 43 of file vf_procamp_vaapi.c.

OFFSET

#define OFFSET

(

x

)

offsetof(ProcampVAAPIContext, x)

Definition at line 201 of file vf_procamp_vaapi.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)

Definition at line 202 of file vf_procamp_vaapi.c.

Function Documentation

map()

static float map ( float  x, float  in_min, float  in_max, float  out_min, float  out_max  )

static

Definition at line 54 of file vf_procamp_vaapi.c.

Referenced by procamp_vaapi_build_filter_params().

procamp_vaapi_build_filter_params()

static int procamp_vaapi_build_filter_params ( AVFilterContext *  avctx )

static

Definition at line 64 of file vf_procamp_vaapi.c.

Referenced by procamp_vaapi_init().

procamp_vaapi_filter_frame()

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

static

Definition at line 126 of file vf_procamp_vaapi.c.

procamp_vaapi_init()

static av_cold int procamp_vaapi_init ( AVFilterContext *  avctx )

static

Definition at line 182 of file vf_procamp_vaapi.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

procamp_vaapi

)

Variable Documentation

procamp_vaapi_options

const AVOption procamp_vaapi_options[]

static

Initial value:

= {
    { "b", "Output video brightness",
      OFFSET(bright),  AV_OPT_TYPE_FLOAT, { .dbl = BRIGHTNESS_DEFAULT }, BRIGHTNESS_MIN, BRIGHTNESS_MAX, .flags = FLAGS },
    { "brightness", "Output video brightness",
      OFFSET(bright),  AV_OPT_TYPE_FLOAT, { .dbl = BRIGHTNESS_DEFAULT }, BRIGHTNESS_MIN, BRIGHTNESS_MAX, .flags = FLAGS },
    { "s", "Output video saturation",
      OFFSET(saturation), AV_OPT_TYPE_FLOAT, { .dbl = SATURATION_DEFAULT }, SATURATION_MIN, SATURATION_MAX, .flags = FLAGS },
    { "saturatio", "Output video saturation",
      OFFSET(saturation), AV_OPT_TYPE_FLOAT, { .dbl = SATURATION_DEFAULT }, SATURATION_MIN, SATURATION_MAX, .flags = FLAGS },
    { "c", "Output video contrast",
      OFFSET(contrast),  AV_OPT_TYPE_FLOAT, { .dbl = CONTRAST_DEFAULT }, CONTRAST_MIN, CONTRAST_MAX, .flags = FLAGS },
    { "contrast", "Output video contrast",
      OFFSET(contrast),  AV_OPT_TYPE_FLOAT, { .dbl = CONTRAST_DEFAULT }, CONTRAST_MIN, CONTRAST_MAX, .flags = FLAGS },
    { "h", "Output video hue",
      OFFSET(hue), AV_OPT_TYPE_FLOAT, { .dbl = HUE_DEFAULT }, HUE_MIN, HUE_MAX, .flags = FLAGS },
    { "hue", "Output video hue",
      OFFSET(hue), AV_OPT_TYPE_FLOAT, { .dbl = HUE_DEFAULT }, HUE_MIN, HUE_MAX, .flags = FLAGS },
    { NULL },
}

Definition at line 203 of file vf_procamp_vaapi.c.

procamp_vaapi_inputs

const AVFilterPad procamp_vaapi_inputs[]

static

Initial value:

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

Definition at line 225 of file vf_procamp_vaapi.c.

procamp_vaapi_outputs

const AVFilterPad procamp_vaapi_outputs[]

static

Initial value:

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

Definition at line 234 of file vf_procamp_vaapi.c.

ff_vf_procamp_vaapi

const FFFilter ff_vf_procamp_vaapi

Initial value:

= {
    .p.name        = "procamp_vaapi",
    .p.description = NULL_IF_CONFIG_SMALL("ProcAmp (color balance) adjustments for hue, saturation, brightness, contrast"),
    .p.priv_class  = &procamp_vaapi_class,
    .priv_size     = sizeof(ProcampVAAPIContext),
    .init          = &procamp_vaapi_init,
    .uninit        = &ff_vaapi_vpp_ctx_uninit,
    FILTER_INPUTS(procamp_vaapi_inputs),
    FILTER_OUTPUTS(procamp_vaapi_outputs),
    FILTER_QUERY_FUNC2(&ff_vaapi_vpp_query_formats),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 242 of file vf_procamp_vaapi.c.