FFmpeg
Data Structures | Macros | Functions | Variables
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 "formats.h"
#include "internal.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 (AVFilterContext *ctx)
 
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

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 ( AVFilterContext ctx)
static

Definition at line 125 of file vf_detelecine.c.

◆ config_input()

static int config_input ( AVFilterLink inlink)
static

Definition at line 134 of file vf_detelecine.c.

◆ config_output()

static int config_output ( AVFilterLink outlink)
static

Definition at line 163 of file vf_detelecine.c.

◆ filter_frame()

static int filter_frame ( AVFilterLink inlink,
AVFrame inpicref 
)
static

Definition at line 189 of file vf_detelecine.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 342 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, "field"},
{"top", "select top field first", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "field"},
{"t", "select top field first", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "field"},
{"bottom", "select bottom field first", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "field"},
{"b", "select bottom field first", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "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",
.filter_frame = filter_frame,
.config_props = config_input,
},
}

Definition at line 351 of file vf_detelecine.c.

◆ detelecine_outputs

const AVFilterPad detelecine_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_output,
},
}

Definition at line 360 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,
}

Definition at line 368 of file vf_detelecine.c.

detelecine_inputs
static const AVFilterPad detelecine_inputs[]
Definition: vf_detelecine.c:351
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
Definition: vf_detelecine.c:189
FILTER_QUERY_FUNC
#define FILTER_QUERY_FUNC(func)
Definition: internal.h:167
config_output
static int config_output(AVFilterLink *outlink)
Definition: vf_detelecine.c:163
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_detelecine.c:134
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_detelecine.c:342
DetelecineContext
Definition: vf_detelecine.c:35
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:190
NULL
#define NULL
Definition: coverity.c:32
detelecine_outputs
static const AVFilterPad detelecine_outputs[]
Definition: vf_detelecine.c:360
init
static av_cold int init(AVFilterContext *ctx)
Definition: vf_detelecine.c:73
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:116
FLAGS
#define FLAGS
Definition: vf_detelecine.c:58
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_detelecine.c:125
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:191
AV_OPT_TYPE_STRING
@ AV_OPT_TYPE_STRING
Definition: opt.h:229
first_field
static int first_field(const struct video_data *s)
Definition: v4l2.c:245
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
OFFSET
#define OFFSET(x)
Definition: vf_detelecine.c:57