FFmpeg
Data Structures | Macros | Functions | Variables
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|AV_OPT_FLAG_RUNTIME_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_plane_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs, int plane)
 
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 53 of file vf_w3fdif.c.

◆ FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 54 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 55 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 76 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 110 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 122 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 136 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 153 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 174 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 182 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 196 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 215 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 239 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 271 of file vf_w3fdif.c.

Referenced by config_input().

◆ config_input()

static int config_input ( AVFilterLink *  inlink)
static

Definition at line 281 of file vf_w3fdif.c.

◆ config_output()

static int config_output ( AVFilterLink *  outlink)
static

Definition at line 334 of file vf_w3fdif.c.

◆ deinterlace_plane_slice()

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

Definition at line 365 of file vf_w3fdif.c.

Referenced by deinterlace_slice().

◆ deinterlace_slice()

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

Definition at line 473 of file vf_w3fdif.c.

Referenced by filter().

◆ filter()

static int filter ( AVFilterContext *  ctx,
int  is_second 
)
static

Definition at line 484 of file vf_w3fdif.c.

Referenced by deinterlace_plane_slice(), and filter_frame().

◆ filter_frame()

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

Definition at line 521 of file vf_w3fdif.c.

Referenced by request_frame().

◆ request_frame()

static int request_frame ( AVFilterLink *  outlink)
static

Definition at line 559 of file vf_w3fdif.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext *  ctx)
static

Definition at line 584 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"),
{ "mode", "specify the interlacing mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "mode"},
CONST("frame", "send one frame for each frame", 0, "mode"),
CONST("field", "send one frame for each field", 1, "mode"),
{ "parity", "specify the assumed picture field parity", OFFSET(parity), AV_OPT_TYPE_INT, {.i64=-1}, -1, 1, FLAGS, "parity" },
CONST("tff", "assume top field first", 0, "parity"),
CONST("bff", "assume bottom field first", 1, "parity"),
CONST("auto", "auto detect parity", -1, "parity"),
{ "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 57 of file vf_w3fdif.c.

◆ n_coef_lf

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

Definition at line 354 of file vf_w3fdif.c.

Referenced by deinterlace_plane_slice().

◆ coef_lf

const int16_t coef_lf[2][4]
static
Initial value:
= {{ 16384, 16384, 0, 0},
{ -852, 17236, 17236, -852}}

Definition at line 355 of file vf_w3fdif.c.

Referenced by deinterlace_plane_slice().

◆ n_coef_hf

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

Definition at line 357 of file vf_w3fdif.c.

Referenced by deinterlace_plane_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 358 of file vf_w3fdif.c.

Referenced by deinterlace_plane_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 599 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 609 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,
.process_command = ff_filter_process_command,
}

Definition at line 619 of file vf_w3fdif.c.

query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_w3fdif.c:76
request_frame
static int request_frame(AVFilterLink *outlink)
Definition: vf_w3fdif.c:559
CONST
#define CONST(name, help, val, unit)
Definition: vf_w3fdif.c:55
w3fdif_outputs
static const AVFilterPad w3fdif_outputs[]
Definition: vf_w3fdif.c:609
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_w3fdif.c:281
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_w3fdif.c:584
W3FDIFContext
Definition: vf_w3fdif.c:34
outputs
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
NULL
#define NULL
Definition: coverity.c:32
inputs
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
Definition: filter_design.txt:243
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
Definition: vf_w3fdif.c:521
config_output
static int config_output(AVFilterLink *outlink)
Definition: vf_w3fdif.c:334
w3fdif_inputs
static const AVFilterPad w3fdif_inputs[]
Definition: vf_w3fdif.c:599
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
process_command
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: af_acrusher.c:336
parity
mcdeint parity
Definition: vf_mcdeint.c:277
ff_filter_process_command
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
Definition: avfilter.c:882
FLAGS
#define FLAGS
Definition: vf_w3fdif.c:54
mode
mode
Definition: ebur128.h:83
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
filter
static int filter(AVFilterContext *ctx, int is_second)
Definition: vf_w3fdif.c:484
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:117
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
Definition: avfilter.h:134
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:561
OFFSET
#define OFFSET(x)
Definition: vf_w3fdif.c:53
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