settb.c File Reference

Set timebase for the output link. More...

#include "config_components.h"
#include <inttypes.h>
#include <stdio.h>
#include "libavutil/avstring.h"
#include "libavutil/eval.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/rational.h"
#include "audio.h"
#include "avfilter.h"
#include "filters.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	SetTBContext

Macros
#define	OFFSET(x)
#define	DEFINE_OPTIONS(filt_name, filt_type)

Enumerations
enum	var_name { VAR_AVTB , VAR_INTB , VAR_SR , VAR_VARS_NB }

Functions
static int	config_output_props (AVFilterLink *outlink)
static int64_t	rescale_pts (AVFilterLink *inlink, AVFilterLink *outlink, int64_t orig_pts)
static int	filter_frame (AVFilterLink *inlink, AVFrame *frame)
static int	activate (AVFilterContext *ctx)

Variables
static const char *const	var_names []

Detailed Description

Set timebase for the output link.

Definition in file settb.c.

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(SetTBContext, x)

Definition at line 62 of file settb.c.

DEFINE_OPTIONS

#define DEFINE_OPTIONS	(		filt_name,
			filt_type )

Value:

static const AVOption filt_name##_options[] = {                                            \
    { "expr", "set expression determining the output timebase", OFFSET(tb_expr), AV_OPT_TYPE_STRING, {.str="intb"}, \
           .flags=AV_OPT_FLAG_##filt_type##_PARAM|AV_OPT_FLAG_FILTERING_PARAM },           \
    { "tb",   "set expression determining the output timebase", OFFSET(tb_expr), AV_OPT_TYPE_STRING, {.str="intb"}, \
           .flags=AV_OPT_FLAG_##filt_type##_PARAM|AV_OPT_FLAG_FILTERING_PARAM },           \
    { NULL }                                                                               \
}

Definition at line 63 of file settb.c.

Enumeration Type Documentation

var_name

enum var_name

Enumerator
VAR_AVTB
VAR_INTB
VAR_SR
VAR_VARS_NB

Definition at line 49 of file settb.c.

Function Documentation

config_output_props()

static int config_output_props ( AVFilterLink * outlink )

static

Definition at line 72 of file settb.c.

rescale_pts()

static int64_t rescale_pts ( AVFilterLink * inlink, AVFilterLink * outlink, int64_t orig_pts )

static

Definition at line 109 of file settb.c.

Referenced by activate(), and filter_frame().

filter_frame()

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

static

Definition at line 124 of file settb.c.

Referenced by activate().

activate()

static int activate ( AVFilterContext * ctx )

static

Definition at line 135 of file settb.c.

Variable Documentation

var_names

const char* const var_names[]

static

Initial value:

= {
    "AVTB",   
    "intb",   
    "sr",     
    NULL
}

Definition at line 42 of file settb.c.