vf_w3fdif.c File Reference

#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "w3fdif.h"

Go to the source code of this file.

Data Structures
struct	W3FDIFContext
struct	ThreadData
	Used for passing data between threads. More...

Macros
#define	OFFSET(x)   offsetof(W3FDIFContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	CONST(name, help, val, unit)   { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, 0, 0, FLAGS, unit }

Functions
	AVFILTER_DEFINE_CLASS (w3fdif)
static int	query_formats (AVFilterContext *ctx)
static void	filter_simple_low (int32_t *work_line, uint8_t *in_lines_cur[2], const int16_t *coef, int linesize)
static void	filter_complex_low (int32_t *work_line, uint8_t *in_lines_cur[4], const int16_t *coef, int linesize)
static void	filter_simple_high (int32_t *work_line, uint8_t *in_lines_cur[3], uint8_t *in_lines_adj[3], const int16_t *coef, int linesize)
static void	filter_complex_high (int32_t *work_line, uint8_t *in_lines_cur[5], uint8_t *in_lines_adj[5], const int16_t *coef, int linesize)
static void	filter_scale (uint8_t *out_pixel, const int32_t *work_pixel, int linesize, int max)
static void	filter16_simple_low (int32_t *work_line, uint8_t *in_lines_cur8[2], const int16_t *coef, int linesize)
static void	filter16_complex_low (int32_t *work_line, uint8_t *in_lines_cur8[4], const int16_t *coef, int linesize)
static void	filter16_simple_high (int32_t *work_line, uint8_t *in_lines_cur8[3], uint8_t *in_lines_adj8[3], const int16_t *coef, int linesize)
static void	filter16_complex_high (int32_t *work_line, uint8_t *in_lines_cur8[5], uint8_t *in_lines_adj8[5], const int16_t *coef, int linesize)
static void	filter16_scale (uint8_t *out_pixel8, const int32_t *work_pixel, int linesize, int max)
static int	config_input (AVFilterLink *inlink)
static int	config_output (AVFilterLink *outlink)
static int	deinterlace_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter (AVFilterContext *ctx, int is_second)
static int	filter_frame (AVFilterLink *inlink, AVFrame *frame)
static int	request_frame (AVFilterLink *outlink)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	w3fdif_options []
static const int8_t	n_coef_lf [2] = { 2, 4 }
static const int16_t	coef_lf [2][4]
static const int8_t	n_coef_hf [2] = { 3, 5 }
static const int16_t	coef_hf [2][5]
static const AVFilterPad	w3fdif_inputs []
static const AVFilterPad	w3fdif_outputs []
AVFilter	ff_vf_w3fdif

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(W3FDIFContext, x)

Definition at line 51 of file vf_w3fdif.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 52 of file vf_w3fdif.c.

CONST

#define CONST	(		name,
			help,
			val,
			unit
	)		{ name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, 0, 0, FLAGS, unit }

Definition at line 53 of file vf_w3fdif.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

w3fdif

)

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 67 of file vf_w3fdif.c.

filter_simple_low()

static void filter_simple_low ( int32_t *  work_line, uint8_t *  in_lines_cur[2], const int16_t *  coef, int  linesize  )

static

Definition at line 93 of file vf_w3fdif.c.

Referenced by config_input().

filter_complex_low()

static void filter_complex_low ( int32_t *  work_line, uint8_t *  in_lines_cur[4], const int16_t *  coef, int  linesize  )

static

Definition at line 105 of file vf_w3fdif.c.

Referenced by config_input().

filter_simple_high()

static void filter_simple_high ( int32_t *  work_line, uint8_t *  in_lines_cur[3], uint8_t *  in_lines_adj[3], const int16_t *  coef, int  linesize  )

static

Definition at line 119 of file vf_w3fdif.c.

Referenced by config_input().

filter_complex_high()

static void filter_complex_high ( int32_t *  work_line, uint8_t *  in_lines_cur[5], uint8_t *  in_lines_adj[5], const int16_t *  coef, int  linesize  )

static

Definition at line 136 of file vf_w3fdif.c.

Referenced by config_input().

filter_scale()

static void filter_scale ( uint8_t *  out_pixel, const int32_t *  work_pixel, int  linesize, int  max  )

static

Definition at line 157 of file vf_w3fdif.c.

Referenced by config_input().

filter16_simple_low()

static void filter16_simple_low ( int32_t *  work_line, uint8_t *  in_lines_cur8[2], const int16_t *  coef, int  linesize  )

static

Definition at line 165 of file vf_w3fdif.c.

Referenced by config_input().

filter16_complex_low()

static void filter16_complex_low ( int32_t *  work_line, uint8_t *  in_lines_cur8[4], const int16_t *  coef, int  linesize  )

static

Definition at line 179 of file vf_w3fdif.c.

Referenced by config_input().

filter16_simple_high()

static void filter16_simple_high ( int32_t *  work_line, uint8_t *  in_lines_cur8[3], uint8_t *  in_lines_adj8[3], const int16_t *  coef, int  linesize  )

static

Definition at line 198 of file vf_w3fdif.c.

Referenced by config_input().

filter16_complex_high()

static void filter16_complex_high ( int32_t *  work_line, uint8_t *  in_lines_cur8[5], uint8_t *  in_lines_adj8[5], const int16_t *  coef, int  linesize  )

static

Definition at line 222 of file vf_w3fdif.c.

Referenced by config_input().

filter16_scale()

static void filter16_scale ( uint8_t *  out_pixel8, const int32_t *  work_pixel, int  linesize, int  max  )

static

Definition at line 254 of file vf_w3fdif.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 264 of file vf_w3fdif.c.

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 316 of file vf_w3fdif.c.

deinterlace_slice()

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

static

Definition at line 348 of file vf_w3fdif.c.

Referenced by filter().

filter()

static int filter ( AVFilterContext *  ctx, int  is_second  )

static

Definition at line 453 of file vf_w3fdif.c.

Referenced by deinterlace_slice(), and filter_frame().

filter_frame()

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

static

Definition at line 493 of file vf_w3fdif.c.

Referenced by request_frame().

request_frame()

static int request_frame ( AVFilterLink *  outlink )

static

Definition at line 531 of file vf_w3fdif.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 556 of file vf_w3fdif.c.

Variable Documentation

w3fdif_options

const AVOption w3fdif_options[]

static

Initial value:

= {
    { "filter", "specify the filter", OFFSET(filter), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "filter" },
    CONST("simple",  NULL, 0, "filter"),
    CONST("complex", NULL, 1, "filter"),
    { "deint",  "specify which frames to deinterlace", OFFSET(deint), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "deint" },
    CONST("all",        "deinterlace all frames",                       0, "deint"),
    CONST("interlaced", "only deinterlace frames marked as interlaced", 1, "deint"),
    { NULL }
}

Definition at line 55 of file vf_w3fdif.c.

n_coef_lf

const int8_t n_coef_lf[2] = { 2, 4 }

static

Definition at line 336 of file vf_w3fdif.c.

Referenced by deinterlace_slice().

coef_lf

const int16_t coef_lf[2][4]

static

Initial value:

= {{ 16384, 16384,     0,    0},
                                      {  -852, 17236, 17236, -852}}

Definition at line 337 of file vf_w3fdif.c.

Referenced by deinterlace_slice().

n_coef_hf

const int8_t n_coef_hf[2] = { 3, 5 }

static

Definition at line 339 of file vf_w3fdif.c.

Referenced by deinterlace_slice().

coef_hf

const int16_t coef_hf[2][5]

static

Initial value:

= {{ -2048,  4096, -2048,     0,    0},
                                      {  1016, -3801,  5570, -3801, 1016}}

Definition at line 340 of file vf_w3fdif.c.

Referenced by deinterlace_slice().

w3fdif_inputs

const AVFilterPad w3fdif_inputs[]

static

Initial value:

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

Definition at line 571 of file vf_w3fdif.c.

w3fdif_outputs

const AVFilterPad w3fdif_outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .config_props  = config_output,
        .request_frame = request_frame,
    },
    { NULL }
}

Definition at line 581 of file vf_w3fdif.c.

ff_vf_w3fdif

AVFilter ff_vf_w3fdif

Initial value:

= {
    .name          = "w3fdif",
    .description   = NULL_IF_CONFIG_SMALL("Apply Martin Weston three field deinterlace."),
    .priv_size     = sizeof(W3FDIFContext),
    .priv_class    = &w3fdif_class,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = w3fdif_inputs,
    .outputs       = w3fdif_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
}

Definition at line 591 of file vf_w3fdif.c.