Libav
Data Structures | Macros | Enumerations | Functions | Variables
vf_transpose.c File Reference

transposition filter Based on MPlayer libmpcodecs/vf_rotate.c. More...

#include <stdio.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.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  TransContext

Macros

#define OFFSET(x)   offsetof(TransContext, x)
#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM

Enumerations

enum  TransposeDir { TRANSPOSE_CCLOCK_FLIP, TRANSPOSE_CLOCK, TRANSPOSE_CCLOCK, TRANSPOSE_CLOCK_FLIP }

Functions

static int query_formats (AVFilterContext *ctx)
static int config_props_output (AVFilterLink *outlink)
static int filter_frame (AVFilterLink *inlink, AVFrame *in)

Variables

static const AVOption options []
static const AVClass transpose_class
static const AVFilterPad avfilter_vf_transpose_inputs []
static const AVFilterPad avfilter_vf_transpose_outputs []
AVFilter ff_vf_transpose

Detailed Description

transposition filter Based on MPlayer libmpcodecs/vf_rotate.c.

Definition in file vf_transpose.c.

Macro Definition Documentation

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

Definition at line 190 of file vf_transpose.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM

Definition at line 191 of file vf_transpose.c.

Enumeration Type Documentation

Enumerator:
TRANSPOSE_CCLOCK_FLIP 
TRANSPOSE_CLOCK 
TRANSPOSE_CCLOCK 
TRANSPOSE_CLOCK_FLIP 

Definition at line 40 of file vf_transpose.c.

Function Documentation

static int query_formats ( AVFilterContext ctx)
static

Definition at line 55 of file vf_transpose.c.

static int config_props_output ( AVFilterLink outlink)
static

Definition at line 85 of file vf_transpose.c.

static int filter_frame ( AVFilterLink inlink,
AVFrame in 
)
static

Definition at line 113 of file vf_transpose.c.

Variable Documentation

const AVOption options[]
static
Initial value:
{
{ "dir", "Transpose direction", OFFSET(dir), AV_OPT_TYPE_INT, { .i64 = TRANSPOSE_CCLOCK_FLIP },
{ "cclock_flip", "counter-clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK_FLIP }, .unit = "dir" },
{ "clock", "clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK }, .unit = "dir" },
{ "cclock", "counter-clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK }, .unit = "dir" },
{ "clock_flip", "clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK_FLIP }, .unit = "dir" },
{ NULL },
}

Definition at line 192 of file vf_transpose.c.

const AVClass transpose_class
static
Initial value:
{
.class_name = "transpose",
.item_name = av_default_item_name,
.option = options,
}

Definition at line 202 of file vf_transpose.c.

const AVFilterPad avfilter_vf_transpose_inputs[]
static
Initial value:
{
{
.name = "default",
.filter_frame = filter_frame,
},
{ NULL }
}

Definition at line 209 of file vf_transpose.c.

const AVFilterPad avfilter_vf_transpose_outputs[]
static
Initial value:
{
{
.name = "default",
.config_props = config_props_output,
},
{ NULL }
}

Definition at line 218 of file vf_transpose.c.

AVFilter ff_vf_transpose
Initial value:
{
.name = "transpose",
.description = NULL_IF_CONFIG_SMALL("Transpose input video."),
.priv_size = sizeof(TransContext),
.priv_class = &transpose_class,
}

Definition at line 227 of file vf_transpose.c.