vf_aspect.c File Reference

aspect ratio modification video filters More...

#include <float.h>
#include "libavutil/common.h"
#include "libavutil/eval.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	AspectContext

Macros
#define	OFFSET(x)   offsetof(AspectContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Functions
static av_cold int	init (AVFilterContext *ctx)
static int	filter_frame (AVFilterLink *link, AVFrame *frame)
static void	compute_dar (AVRational *dar, AVRational sar, int w, int h)

Detailed Description

aspect ratio modification video filters

Definition in file vf_aspect.c.

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(AspectContext, x)

Definition at line 88 of file vf_aspect.c.

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 89 of file vf_aspect.c.

Function Documentation

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 49 of file vf_aspect.c.

static int filter_frame ( AVFilterLink *  link, AVFrame *  frame  )

static

Definition at line 80 of file vf_aspect.c.

static void compute_dar ( AVRational *  dar, AVRational  sar, int  w, int  h  )

inlinestatic

Definition at line 91 of file vf_aspect.c.