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vf_phase.c File Reference
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  PhaseContext
 

Macros

#define OFFSET(x)   offsetof(PhaseContext, x)
 
#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
 
#define CONST(name, help, val, unit)   { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, 0, 0, FLAGS, unit }
 
#define DIFF(a, as, b, bs)   ((t) = ((*(a) - (b)[bs]) << 2) + (a)[(as) << 1] - (b)[-(bs)], (t) * (t))
 

Enumerations

enum  PhaseMode {
  PROGRESSIVE, TOP_FIRST, BOTTOM_FIRST, TOP_FIRST_ANALYZE,
  BOTTOM_FIRST_ANALYZE, ANALYZE, FULL_ANALYZE, AUTO,
  AUTO_ANALYZE
}
 

Functions

 AVFILTER_DEFINE_CLASS (phase)
 
static int query_formats (AVFilterContext *ctx)
 
static int config_input (AVFilterLink *inlink)
 
static enum PhaseMode analyze_plane (void *ctx, enum PhaseMode mode, AVFrame *old, AVFrame *new)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *in)
 
static av_cold void uninit (AVFilterContext *ctx)
 

Variables

static const AVOption phase_options []
 
static const AVFilterPad phase_inputs []
 
static const AVFilterPad phase_outputs []
 
AVFilter ff_vf_phase
 

Macro Definition Documentation

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

Definition at line 51 of file vf_phase.c.

Definition at line 52 of file vf_phase.c.

#define CONST (   name,
  help,
  val,
  unit 
)    { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, 0, 0, FLAGS, unit }

Definition at line 53 of file vf_phase.c.

#define DIFF (   a,
  as,
  b,
  bs 
)    ((t) = ((*(a) - (b)[bs]) << 2) + (a)[(as) << 1] - (b)[-(bs)], (t) * (t))

Definition at line 111 of file vf_phase.c.

Referenced by analyze_plane().

Enumeration Type Documentation

enum PhaseMode
Enumerator
PROGRESSIVE 
TOP_FIRST 
BOTTOM_FIRST 
TOP_FIRST_ANALYZE 
BOTTOM_FIRST_ANALYZE 
ANALYZE 
FULL_ANALYZE 
AUTO 
AUTO_ANALYZE 

Definition at line 30 of file vf_phase.c.

Function Documentation

AVFILTER_DEFINE_CLASS ( phase  )
static int query_formats ( AVFilterContext ctx)
static

Definition at line 71 of file vf_phase.c.

static int config_input ( AVFilterLink inlink)
static

Definition at line 86 of file vf_phase.c.

static enum PhaseMode analyze_plane ( void ctx,
enum PhaseMode  mode,
AVFrame old,
AVFrame new 
)
static

Definition at line 117 of file vf_phase.c.

Referenced by filter_frame().

static int filter_frame ( AVFilterLink inlink,
AVFrame in 
)
static

Definition at line 246 of file vf_phase.c.

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 298 of file vf_phase.c.

Variable Documentation

const AVOption phase_options[]
static
Initial value:
= {
{ "mode", "set phase mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=AUTO_ANALYZE}, PROGRESSIVE, AUTO_ANALYZE, FLAGS, "mode" },
CONST("p", "progressive", PROGRESSIVE, "mode"),
CONST("t", "top first", TOP_FIRST, "mode"),
CONST("b", "bottom first", BOTTOM_FIRST, "mode"),
CONST("T", "top first analyze", TOP_FIRST_ANALYZE, "mode"),
CONST("B", "bottom first analyze", BOTTOM_FIRST_ANALYZE, "mode"),
CONST("u", "analyze", ANALYZE, "mode"),
CONST("U", "full analyze", FULL_ANALYZE, "mode"),
CONST("a", "auto", AUTO, "mode"),
CONST("A", "auto analyze", AUTO_ANALYZE, "mode"),
{ NULL }
}
#define NULL
Definition: coverity.c:32
#define OFFSET(x)
Definition: vf_phase.c:51
Definition: vf_phase.c:38
#define FLAGS
Definition: vf_phase.c:52
#define CONST(name, help, val, unit)
Definition: vf_phase.c:53
mode
Use these values in ebur128_init (or'ed).
Definition: ebur128.h:83

Definition at line 55 of file vf_phase.c.

const AVFilterPad phase_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)
Definition: vf_phase.c:86
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_phase.c:246

Definition at line 305 of file vf_phase.c.

const AVFilterPad phase_outputs[]
static
Initial value:
= {
{
.name = "default",
},
{ NULL }
}
#define NULL
Definition: coverity.c:32

Definition at line 315 of file vf_phase.c.

AVFilter ff_vf_phase
Initial value:
= {
.name = "phase",
.description = NULL_IF_CONFIG_SMALL("Phase shift fields."),
.priv_size = sizeof(PhaseContext),
.priv_class = &phase_class,
}
static int query_formats(AVFilterContext *ctx)
Definition: vf_phase.c:71
static const AVFilterPad phase_inputs[]
Definition: vf_phase.c:305
static const AVFilterPad phase_outputs[]
Definition: vf_phase.c:315
static int flags
Definition: log.c:57
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
static const AVFilterPad outputs[]
Definition: af_afftfilt.c:386
static const AVFilterPad inputs[]
Definition: af_afftfilt.c:376
#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:133
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_phase.c:298

Definition at line 323 of file vf_phase.c.