vf_il.c File Reference

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

Go to the source code of this file.

Data Structures
struct	IlContext

Macros
#define	OFFSET(x)   offsetof(IlContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Enumerations
enum	FilterMode {   FILTER_8TAP_SMOOTH, FILTER_8TAP_REGULAR, FILTER_8TAP_SHARP, FILTER_BILINEAR,   N_FILTERS, FILTER_SWITCHABLE = N_FILTERS, MODE_WIRES, MODE_COLORMIX,   MODE_CANNY, NB_MODE, MODE_NONE, MODE_INTERLEAVE,   MODE_DEINTERLEAVE, FILTER_NONE = -1, FILTER_TOUT, FILTER_VREP,   FILTER_BRNG, FILT_NUMB }

Functions
	AVFILTER_DEFINE_CLASS (il)
static int	query_formats (const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
static int	config_input (AVFilterLink *inlink)
static void	interleave (uint8_t *dst, uint8_t *src, int w, int h, int dst_linesize, int src_linesize, enum FilterMode mode, int swap)
static int	filter_frame (AVFilterLink *inlink, AVFrame *inpicref)

Variables
static const AVOption	il_options []
static const AVFilterPad	inputs []
const AVFilter	ff_vf_il

Detailed Description

(de)interleave fields filter

Definition in file vf_il.c.

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(IlContext, x)

Definition at line 50 of file vf_il.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 51 of file vf_il.c.

Enumeration Type Documentation

FilterMode

enum FilterMode

Enumerator
FILTER_8TAP_SMOOTH
FILTER_8TAP_REGULAR
FILTER_8TAP_SHARP
FILTER_BILINEAR
N_FILTERS
FILTER_SWITCHABLE
MODE_WIRES
MODE_COLORMIX
MODE_CANNY
NB_MODE
MODE_NONE
MODE_INTERLEAVE
MODE_DEINTERLEAVE
FILTER_NONE
FILTER_TOUT
FILTER_VREP
FILTER_BRNG
FILT_NUMB

Definition at line 35 of file vf_il.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

il

)

query_formats()

static int query_formats ( const AVFilterContext *  ctx, AVFilterFormatsConfig **  cfg_in, AVFilterFormatsConfig **  cfg_out  )

static

Definition at line 86 of file vf_il.c.

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 96 of file vf_il.c.

interleave()

static void interleave ( uint8_t *  dst, uint8_t *  src, int  w, int  h, int  dst_linesize, int  src_linesize, enum FilterMode  mode, int  swap  )

static

Definition at line 113 of file vf_il.c.

Referenced by advance_line(), copy_picture_field(), decode_frame(), ff_write_chained(), filter_frame(), horizontal_compose_dirac53i_TMPL(), horizontal_compose_fidelityi_TMPL(), horizontal_compose_haari_TMPL(), and targa_decode_rle().

filter_frame()

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

static

Definition at line 144 of file vf_il.c.

Variable Documentation

il_options

const AVOption il_options[]

static

Initial value:

= {
    {"luma_mode",   "select luma mode", OFFSET(luma_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, .unit = "luma_mode"},
    {"l",           "select luma mode", OFFSET(luma_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, .unit = "luma_mode"},
    {"none",         NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_NONE},         0, 0, FLAGS, .unit = "luma_mode"},
    {"interleave",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, .unit = "luma_mode"},
    {"i",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, .unit = "luma_mode"},
    {"deinterleave", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, .unit = "luma_mode"},
    {"d",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, .unit = "luma_mode"},
    {"chroma_mode", "select chroma mode", OFFSET(chroma_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, .unit = "chroma_mode"},
    {"c",           "select chroma mode", OFFSET(chroma_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, .unit = "chroma_mode"},
    {"none",         NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_NONE},         0, 0, FLAGS, .unit = "chroma_mode"},
    {"interleave",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, .unit = "chroma_mode"},
    {"i",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, .unit = "chroma_mode"},
    {"deinterleave", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, .unit = "chroma_mode"},
    {"d",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, .unit = "chroma_mode"},
    {"alpha_mode", "select alpha mode", OFFSET(alpha_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, .unit = "alpha_mode"},
    {"a",          "select alpha mode", OFFSET(alpha_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, .unit = "alpha_mode"},
    {"none",         NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_NONE},         0, 0, FLAGS, .unit = "alpha_mode"},
    {"interleave",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, .unit = "alpha_mode"},
    {"i",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, .unit = "alpha_mode"},
    {"deinterleave", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, .unit = "alpha_mode"},
    {"d",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, .unit = "alpha_mode"},
    {"luma_swap",   "swap luma fields",   OFFSET(luma_swap),   AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
    {"ls",          "swap luma fields",   OFFSET(luma_swap),   AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
    {"chroma_swap", "swap chroma fields", OFFSET(chroma_swap), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
    {"cs",          "swap chroma fields", OFFSET(chroma_swap), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
    {"alpha_swap",  "swap alpha fields",  OFFSET(alpha_swap),  AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
    {"as",          "swap alpha fields",  OFFSET(alpha_swap),  AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
    {NULL}
}

Definition at line 53 of file vf_il.c.

inputs

const AVFilterPad inputs[]

static

Initial value:

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

Definition at line 182 of file vf_il.c.

ff_vf_il

const AVFilter ff_vf_il

Initial value:

= {
    .name          = "il",
    .description   = NULL_IF_CONFIG_SMALL("Deinterleave or interleave fields."),
    .priv_size     = sizeof(IlContext),
    FILTER_INPUTS(inputs),
    FILTER_OUTPUTS(ff_video_default_filterpad),
    FILTER_QUERY_FUNC2(query_formats),
    .priv_class    = &il_class,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
    .process_command = ff_filter_process_command,
}

Definition at line 191 of file vf_il.c.