vf_detelecine.c File Reference

#include "libavutil/avstring.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.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	DetelecineContext

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

Functions
	AVFILTER_DEFINE_CLASS (detelecine)
static av_cold int	init (AVFilterContext *ctx)
static int	query_formats (const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
static int	config_input (AVFilterLink *inlink)
static int	config_output (AVFilterLink *outlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *inpicref)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	detelecine_options []
static const AVFilterPad	detelecine_inputs []
static const AVFilterPad	detelecine_outputs []
const AVFilter	ff_vf_detelecine

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(DetelecineContext, x)

Definition at line 57 of file vf_detelecine.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 58 of file vf_detelecine.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

detelecine

)

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 73 of file vf_detelecine.c.

query_formats()

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

static

Definition at line 125 of file vf_detelecine.c.

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 137 of file vf_detelecine.c.

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 166 of file vf_detelecine.c.

filter_frame()

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

static

Definition at line 194 of file vf_detelecine.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 348 of file vf_detelecine.c.

Variable Documentation

detelecine_options

const AVOption detelecine_options[]

static

Initial value:

= {
    {"first_field", "select first field", OFFSET(first_field), AV_OPT_TYPE_INT,   {.i64=0}, 0, 1, FLAGS, .unit = "field"},
        {"top",    "select top field first",                0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, .unit = "field"},
        {"t",      "select top field first",                0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, .unit = "field"},
        {"bottom", "select bottom field first",             0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, .unit = "field"},
        {"b",      "select bottom field first",             0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, .unit = "field"},
    {"pattern", "pattern that describe for how many fields a frame is to be displayed", OFFSET(pattern), AV_OPT_TYPE_STRING, {.str="23"}, 0, 0, FLAGS},
    {"start_frame", "position of first frame with respect to the pattern if stream is cut", OFFSET(start_frame), AV_OPT_TYPE_INT, {.i64=0}, 0, 13, FLAGS},
    {NULL}
}

Definition at line 60 of file vf_detelecine.c.

detelecine_inputs

const AVFilterPad detelecine_inputs[]

static

Initial value:

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

Definition at line 357 of file vf_detelecine.c.

detelecine_outputs

const AVFilterPad detelecine_outputs[]

static

Initial value:

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

Definition at line 366 of file vf_detelecine.c.

ff_vf_detelecine

const AVFilter ff_vf_detelecine

Initial value:

= {
    .name          = "detelecine",
    .description   = NULL_IF_CONFIG_SMALL("Apply an inverse telecine pattern."),
    .priv_size     = sizeof(DetelecineContext),
    .priv_class    = &detelecine_class,
    .init          = init,
    .uninit        = uninit,
    FILTER_INPUTS(detelecine_inputs),
    FILTER_OUTPUTS(detelecine_outputs),
    FILTER_QUERY_FUNC2(query_formats),
}

Definition at line 374 of file vf_detelecine.c.