FFmpeg: libavfilter/vf_phase.c File Reference

FFmpeg

libavfilter

#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"
#include "phase_template.c"

Go to the source code of this file.

Data Structures
struct	PhaseContext

Macros
#define	DEPTH 8

#define	DEPTH 9

#define	DEPTH 10

#define	DEPTH 12

#define	DEPTH 14

#define	DEPTH 16

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

#define	FLAGS AV_OPT_FLAG_FILTERING_PARAM\|AV_OPT_FLAG_VIDEO_PARAM\|AV_OPT_FLAG_RUNTIME_PARAM

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

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 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

◆ DEPTH [1/6]

#define DEPTH 8

Definition at line 62 of file vf_phase.c.

◆ DEPTH [2/6]

#define DEPTH 9

Definition at line 62 of file vf_phase.c.

◆ DEPTH [3/6]

#define DEPTH 10

Definition at line 62 of file vf_phase.c.

◆ DEPTH [4/6]

#define DEPTH 12

Definition at line 62 of file vf_phase.c.

◆ DEPTH [5/6]

#define DEPTH 14

Definition at line 62 of file vf_phase.c.

◆ DEPTH [6/6]

#define DEPTH 16

Definition at line 62 of file vf_phase.c.

◆ OFFSET

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

Definition at line 76 of file vf_phase.c.

◆ FLAGS

#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 77 of file vf_phase.c.

◆ CONST

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

Definition at line 78 of file vf_phase.c.

Enumeration Type Documentation

◆ 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()

AVFILTER_DEFINE_CLASS ( phase )

◆ query_formats()

static int query_formats ( AVFilterContext * ctx )

static

Definition at line 96 of file vf_phase.c.

◆ config_input()

static int config_input ( AVFilterLink * inlink )

static

Definition at line 134 of file vf_phase.c.

◆ filter_frame()

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

static

Definition at line 161 of file vf_phase.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext * ctx )

static

Definition at line 213 of file vf_phase.c.

Variable Documentation

◆ phase_options

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 }
}

Definition at line 80 of file vf_phase.c.

◆ phase_inputs

const AVFilterPad phase_inputs[]

static

Initial value:

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

Definition at line 220 of file vf_phase.c.

◆ phase_outputs

const AVFilterPad phase_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
    },
    { NULL }
}

Definition at line 230 of file vf_phase.c.

◆ ff_vf_phase

AVFilter ff_vf_phase

Initial value:

= {
    .name          = "phase",
    .description   = NULL_IF_CONFIG_SMALL("Phase shift fields."),
    .priv_size     = sizeof(PhaseContext),
    .priv_class    = &phase_class,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = phase_inputs,
    .outputs       = phase_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
    .process_command = ff_filter_process_command,
}

Definition at line 238 of file vf_phase.c.

@ BOTTOM_FIRST

Definition: vf_phase.c:33

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

Definition: vf_phase.c:161

#define CONST(name, help, val, unit)

Definition: vf_phase.c:78

static int config_input(AVFilterLink *inlink)

Definition: vf_phase.c:134

@ ANALYZE

Definition: vf_phase.c:36

@ AUTO

Definition: vf_phase.c:38

@ TOP_FIRST

Definition: vf_phase.c:32

static const AVFilterPad phase_inputs[]

Definition: vf_phase.c:220

static const AVFilterPad outputs[]

Definition: af_acontrast.c:203

TOP_FIRST_ANALYZE

@ TOP_FIRST_ANALYZE

Definition: vf_phase.c:34

#define FLAGS

Definition: vf_phase.c:77

#define NULL

Definition: coverity.c:32

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

Definition: filter_design.txt:243

#define OFFSET(x)

Definition: vf_phase.c:76

static const AVFilterPad phase_outputs[]

Definition: vf_phase.c:230

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:117

process_command

static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)

Definition: af_acrusher.c:336

ff_filter_process_command

int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)

Generic processing of user supplied commands that are set in the same way as the filter options.

Definition: avfilter.c:882

@ FULL_ANALYZE

Definition: vf_phase.c:37

Definition: vf_phase.c:65

static av_cold void uninit(AVFilterContext *ctx)

Definition: vf_phase.c:213

@ PROGRESSIVE

Definition: vf_phase.c:31

@ AUTO_ANALYZE

Definition: vf_phase.c:39

mode

Definition: ebur128.h:83

AV_OPT_TYPE_INT

@ AV_OPT_TYPE_INT

Definition: opt.h:225

AVMEDIA_TYPE_VIDEO

@ AVMEDIA_TYPE_VIDEO

Definition: avutil.h:201

static int query_formats(AVFilterContext *ctx)

Definition: vf_phase.c:96

AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL

#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:134

#define flags(name, subs,...)

Definition: cbs_av1.c:561

BOTTOM_FIRST_ANALYZE

@ BOTTOM_FIRST_ANALYZE

Definition: vf_phase.c:35