vf_colorize.c File Reference

#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	ColorizeContext

Macros
#define	OFFSET(x)   offsetof(ColorizeContext, x)
#define	VF   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Functions
static float	lerpf (float v0, float v1, float f)
static int	colorizey_slice8 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	colorizey_slice16 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	colorize_slice8 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	colorize_slice16 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	do_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static float	hue2rgb (float p, float q, float t)
static void	hsl2rgb (float h, float s, float l, float *r, float *g, float *b)
static void	rgb2yuv (float r, float g, float b, int *y, int *u, int *v, int depth)
static int	filter_frame (AVFilterLink *inlink, AVFrame *frame)
static av_cold int	query_formats (AVFilterContext *ctx)
static av_cold int	config_input (AVFilterLink *inlink)
	AVFILTER_DEFINE_CLASS (colorize)

Variables
static const AVFilterPad	colorize_inputs []
static const AVFilterPad	colorize_outputs []
static const AVOption	colorize_options []
AVFilter	ff_vf_colorize

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(ColorizeContext, x)

Definition at line 284 of file vf_colorize.c.

VF

#define VF   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 285 of file vf_colorize.c.

Function Documentation

lerpf()

static float lerpf ( float  v0, float  v1, float  f  )

inlinestatic

Definition at line 44 of file vf_colorize.c.

Referenced by colorizey_slice16(), and colorizey_slice8().

colorizey_slice8()

static int colorizey_slice8 ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 49 of file vf_colorize.c.

Referenced by config_input().

colorizey_slice16()

static int colorizey_slice16 ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 72 of file vf_colorize.c.

Referenced by config_input().

colorize_slice8()

static int colorize_slice8 ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 95 of file vf_colorize.c.

Referenced by config_input().

colorize_slice16()

static int colorize_slice16 ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 123 of file vf_colorize.c.

Referenced by config_input().

do_slice()

static int do_slice ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 151 of file vf_colorize.c.

Referenced by filter_frame().

hue2rgb()

static float hue2rgb ( float  p, float  q, float  t  )

static

Definition at line 161 of file vf_colorize.c.

Referenced by hsl2rgb().

hsl2rgb()

static void hsl2rgb ( float  h, float  s, float  l, float *  r, float *  g, float *  b  )

static

Definition at line 172 of file vf_colorize.c.

Referenced by filter_frame().

rgb2yuv()

static void rgb2yuv ( float  r, float  g, float  b, int *  y, int *  u, int *  v, int  depth  )

static

Definition at line 188 of file vf_colorize.c.

Referenced by filter_frame().

filter_frame()

static int filter_frame ( AVFilterLink *  inlink, AVFrame *  frame  )

static

Definition at line 198 of file vf_colorize.c.

query_formats()

static av_cold int query_formats ( AVFilterContext *  ctx )

static

Definition at line 213 of file vf_colorize.c.

config_input()

static av_cold int config_input ( AVFilterLink *  inlink )

static

Definition at line 245 of file vf_colorize.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

colorize

)

Variable Documentation

colorize_inputs

const AVFilterPad colorize_inputs[]

static

Initial value:

= {
    {
        .name           = "default",
        .type           = AVMEDIA_TYPE_VIDEO,
        .needs_writable = 1,
        .filter_frame   = filter_frame,
        .config_props   = config_input,
    },
    { NULL }
}

Definition at line 265 of file vf_colorize.c.

colorize_outputs

const AVFilterPad colorize_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
    },
    { NULL }
}

Definition at line 276 of file vf_colorize.c.

colorize_options

const AVOption colorize_options[]

static

Initial value:

= {
    { "hue",        "set the hue",                     OFFSET(hue),        AV_OPT_TYPE_FLOAT, {.dbl=0},  0, 360, VF },
    { "saturation", "set the saturation",              OFFSET(saturation), AV_OPT_TYPE_FLOAT, {.dbl=0.5},0,   1, VF },
    { "lightness",  "set the lightness",               OFFSET(lightness),  AV_OPT_TYPE_FLOAT, {.dbl=0.5},0,   1, VF },
    { "mix",        "set the mix of source lightness", OFFSET(mix),        AV_OPT_TYPE_FLOAT, {.dbl=1},  0,   1, VF },
    { NULL }
}

Definition at line 287 of file vf_colorize.c.

ff_vf_colorize

AVFilter ff_vf_colorize

Initial value:

= {
    .name          = "colorize",
    .description   = NULL_IF_CONFIG_SMALL("Overlay a solid color on the video stream."),
    .priv_size     = sizeof(ColorizeContext),
    .priv_class    = &colorize_class,
    .query_formats = query_formats,
    .inputs        = colorize_inputs,
    .outputs       = colorize_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
    .process_command = ff_filter_process_command,
}

Definition at line 297 of file vf_colorize.c.