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 []
 
AVFilter ff_vf_detelecine
 

Macro Definition Documentation

#define OFFSET (   x)    offsetof(DetelecineContext, x)

Definition at line 57 of file vf_detelecine.c.

Definition at line 58 of file vf_detelecine.c.

Function Documentation

AVFILTER_DEFINE_CLASS ( detelecine  )
static av_cold int init ( AVFilterContext ctx)
static

Definition at line 73 of file vf_detelecine.c.

static int query_formats ( AVFilterContext ctx)
static

Definition at line 125 of file vf_detelecine.c.

static int config_input ( AVFilterLink inlink)
static

Definition at line 142 of file vf_detelecine.c.

static int config_output ( AVFilterLink outlink)
static

Definition at line 171 of file vf_detelecine.c.

static int filter_frame ( AVFilterLink inlink,
AVFrame inpicref 
)
static

Definition at line 197 of file vf_detelecine.c.

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 350 of file vf_detelecine.c.

Variable Documentation

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}
}
#define NULL
Definition: coverity.c:32
#define FLAGS
Definition: vf_detelecine.c:58
static int first_field(const struct video_data *s)
Definition: v4l2.c:234
#define OFFSET(x)
Definition: vf_detelecine.c:57

Definition at line 60 of file vf_detelecine.c.

const AVFilterPad detelecine_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = filter_frame,
.config_props = config_input,
},
{ NULL }
}
#define NULL
Definition: coverity.c:32
static int config_input(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)

Definition at line 359 of file vf_detelecine.c.

const AVFilterPad detelecine_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_output,
},
{ NULL }
}
#define NULL
Definition: coverity.c:32
static int config_output(AVFilterLink *outlink)

Definition at line 369 of file vf_detelecine.c.

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,
}
static av_cold void uninit(AVFilterContext *ctx)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static av_cold int init(AVFilterContext *ctx)
Definition: vf_detelecine.c:73
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
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
static const AVFilterPad detelecine_inputs[]
static const AVFilterPad detelecine_outputs[]
static int query_formats(AVFilterContext *ctx)

Definition at line 378 of file vf_detelecine.c.