f_setpts.c File Reference

video presentation timestamp (PTS) modification filter More...

#include "libavutil/eval.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "avfilter.h"
#include "internal.h"
#include "audio.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	SetPTSContext

Macros
#define	D2TS(d)   (isnan(d) ? AV_NOPTS_VALUE : (int64_t)(d))
#define	TS2D(ts)   ((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts))
#define	TS2T(ts, tb)   ((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts)*av_q2d(tb))
#define	BUF_SIZE   64
#define	d2istr(v)   double2int64str((char[BUF_SIZE]){0}, v)

Enumerations
enum	var_name {   VAR_B1, VAR_B2, VAR_S1, VAR_S2,   VAR_T1, VAR_T2, VAR_NB, VAR_N,   VAR_T, VAR_S, VAR_VARS_NB, VAR_TB,   VAR_PTS, VAR_START_PTS, VAR_PREV_PTS, VAR_PREV_SELECTED_PTS,   VAR_T, VAR_START_T, VAR_PREV_T, VAR_PREV_SELECTED_T,   VAR_PICT_TYPE, VAR_PICT_TYPE_I, VAR_PICT_TYPE_P, VAR_PICT_TYPE_B,   VAR_PICT_TYPE_S, VAR_PICT_TYPE_SI, VAR_PICT_TYPE_SP, VAR_PICT_TYPE_BI,   VAR_INTERLACE_TYPE, VAR_INTERLACE_TYPE_P, VAR_INTERLACE_TYPE_T, VAR_INTERLACE_TYPE_B,   VAR_CONSUMED_SAMPLES_N, VAR_SAMPLES_N, VAR_SAMPLE_RATE, VAR_N,   VAR_SELECTED_N, VAR_PREV_SELECTED_N, VAR_KEY, VAR_POS,   VAR_SCENE, VAR_VARS_NB, VAR_FRAME_RATE, VAR_INTERLACED,   VAR_N, VAR_NB_CONSUMED_SAMPLES, VAR_NB_SAMPLES, VAR_POS,   VAR_PREV_INPTS, VAR_PREV_INT, VAR_PREV_OUTPTS, VAR_PREV_OUTT,   VAR_PTS, VAR_SAMPLE_RATE, VAR_STARTPTS, VAR_STARTT,   VAR_T, VAR_TB, VAR_VARS_NB, VAR_AVTB,   VAR_INTB, VAR_SR, VAR_VARS_NB, VAR_W,   VAR_H, VAR_CW, VAR_CH, VAR_HSUB,   VAR_VSUB, VARS_NB, VAR_IN_W, VAR_IW,   VAR_IN_H, VAR_IH, VAR_OUT_W, VAR_OW,   VAR_OUT_H, VAR_OH, VAR_A, VAR_SAR,   VAR_DAR, VAR_HSUB, VAR_VSUB, VAR_X,   VAR_Y, VAR_N, VAR_POS, VAR_T,   VAR_VARS_NB, VAR_DAR, VAR_HSUB, VAR_VSUB,   VAR_LINE_H, VAR_LH, VAR_MAIN_H, VAR_h,   VAR_H, VAR_MAIN_W, VAR_w, VAR_W,   VAR_MAX_GLYPH_A, VAR_ASCENT, VAR_MAX_GLYPH_D, VAR_DESCENT,   VAR_MAX_GLYPH_H, VAR_MAX_GLYPH_W, VAR_N, VAR_SAR,   VAR_T, VAR_TEXT_H, VAR_TH, VAR_TEXT_W,   VAR_TW, VAR_X, VAR_Y, VAR_VARS_NB,   VAR_N, VAR_PTS, VAR_R, VAR_T,   VAR_TB, VAR_NB, VAR_W, VAR_H,   VAR_VAL, VAR_MAXVAL, VAR_MINVAL, VAR_NEGVAL,   VAR_CLIPVAL, VAR_VARS_NB, VAR_MAIN_W, VAR_MW,   VAR_MAIN_H, VAR_MH, VAR_OVERLAY_W, VAR_OW,   VAR_OVERLAY_H, VAR_OH, VAR_VARS_NB, VAR_IN_W,   VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W,   VAR_OW, VAR_OUT_H, VAR_OH, VAR_X,   VAR_Y, VAR_A, VAR_SAR, VAR_DAR,   VAR_HSUB, VAR_VSUB, VARS_NB, VAR_IN_W,   VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W,   VAR_OW, VAR_OUT_H, VAR_OH, VAR_A,   VAR_SAR, VAR_DAR, VAR_HSUB, VAR_VSUB,   VARS_NB, VAR_X, VAR_Y, VAR_W,   VAR_H, VAR_TIME, VAR_SPEED, VAR_TEMPO,   VAR_ORDER, VAR_PATTERN, VAR_ROW, VAR_VARS_NB }

Functions
static av_cold int	init (AVFilterContext *ctx, const char *args)
static int	config_input (AVFilterLink *inlink)
static char *	double2int64str (char *buf, double v)
static int	filter_frame (AVFilterLink *inlink, AVFilterBufferRef *frame)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const char *const	var_names []

Detailed Description

video presentation timestamp (PTS) modification filter

Definition in file f_setpts.c.

Macro Definition Documentation

#define D2TS

(

d

)

(isnan(d) ? AV_NOPTS_VALUE : (int64_t)(d))

Definition at line 120 of file f_setpts.c.

Referenced by filter_frame().

#define TS2D

(

ts

)

((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts))

Definition at line 121 of file f_setpts.c.

Referenced by filter_frame().

#define TS2T	(		ts,
			tb
	)		((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts)*av_q2d(tb))

Definition at line 122 of file f_setpts.c.

Referenced by filter_frame().

#define BUF_SIZE   64

Definition at line 124 of file f_setpts.c.

Referenced by double2int64str().

#define d2istr

(

v

)

double2int64str((char[BUF_SIZE]){0}, v)

Definition at line 133 of file f_setpts.c.

Referenced by filter_frame().

Enumeration Type Documentation

enum var_name

Enumerator:

VAR_B1
VAR_B2
VAR_S1
VAR_S2
VAR_T1
VAR_T2
VAR_NB
VAR_N
VAR_T
VAR_S
VAR_VARS_NB
VAR_TB
VAR_PTS
VAR_START_PTS
VAR_PREV_PTS
VAR_PREV_SELECTED_PTS
VAR_T
VAR_START_T
VAR_PREV_T
VAR_PREV_SELECTED_T
VAR_PICT_TYPE
VAR_PICT_TYPE_I
VAR_PICT_TYPE_P
VAR_PICT_TYPE_B
VAR_PICT_TYPE_S
VAR_PICT_TYPE_SI
VAR_PICT_TYPE_SP
VAR_PICT_TYPE_BI
VAR_INTERLACE_TYPE
VAR_INTERLACE_TYPE_P
VAR_INTERLACE_TYPE_T
VAR_INTERLACE_TYPE_B
VAR_CONSUMED_SAMPLES_N
VAR_SAMPLES_N
VAR_SAMPLE_RATE
VAR_N
VAR_SELECTED_N
VAR_PREV_SELECTED_N
VAR_KEY
VAR_POS
VAR_SCENE
VAR_VARS_NB
VAR_FRAME_RATE
VAR_INTERLACED
VAR_N
VAR_NB_CONSUMED_SAMPLES
VAR_NB_SAMPLES
VAR_POS
VAR_PREV_INPTS
VAR_PREV_INT
VAR_PREV_OUTPTS
VAR_PREV_OUTT
VAR_PTS
VAR_SAMPLE_RATE
VAR_STARTPTS
VAR_STARTT
VAR_T
VAR_TB
VAR_VARS_NB
VAR_AVTB
VAR_INTB
VAR_SR
VAR_VARS_NB
VAR_W
VAR_H
VAR_CW
VAR_CH
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_X
VAR_Y
VAR_N
VAR_POS
VAR_T
VAR_VARS_NB
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_LINE_H
VAR_LH
VAR_MAIN_H
VAR_h
VAR_H
VAR_MAIN_W
VAR_w
VAR_W
VAR_MAX_GLYPH_A
VAR_ASCENT
VAR_MAX_GLYPH_D
VAR_DESCENT
VAR_MAX_GLYPH_H
VAR_MAX_GLYPH_W
VAR_N
VAR_SAR
VAR_T
VAR_TEXT_H
VAR_TH
VAR_TEXT_W
VAR_TW
VAR_X
VAR_Y
VAR_VARS_NB
VAR_N
VAR_PTS
VAR_R
VAR_T
VAR_TB
VAR_NB
VAR_W
VAR_H
VAR_VAL
VAR_MAXVAL
VAR_MINVAL
VAR_NEGVAL
VAR_CLIPVAL
VAR_VARS_NB
VAR_MAIN_W
VAR_MW
VAR_MAIN_H
VAR_MH
VAR_OVERLAY_W
VAR_OW
VAR_OVERLAY_H
VAR_OH
VAR_VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_X
VAR_Y
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_X
VAR_Y
VAR_W
VAR_H
VAR_TIME
VAR_SPEED
VAR_TEMPO
VAR_ORDER
VAR_PATTERN
VAR_ROW
VAR_VARS_NB

Definition at line 55 of file f_setpts.c.

Function Documentation

static av_cold int init ( AVFilterContext *  ctx, const char *  args  )

static

Definition at line 81 of file f_setpts.c.

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 99 of file f_setpts.c.

static char* double2int64str ( char *  buf, double  v  )

inlinestatic

Definition at line 126 of file f_setpts.c.

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

static

Definition at line 135 of file f_setpts.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 193 of file f_setpts.c.

Variable Documentation

const char* const var_names[]

static

Initial value:

= {
    "FRAME_RATE",  
    "INTERLACED",  
    "N",           
    "NB_CONSUMED_SAMPLES", 
    "NB_SAMPLES",  
    "POS",         
    "PREV_INPTS",  
    "PREV_INT",    
    "PREV_OUTPTS", 
    "PREV_OUTT",   
    "PTS",         
    "SAMPLE_RATE", 
    "STARTPTS",    
    "STARTT",      
    "T",           
    "TB",          
    NULL
}

Definition at line 35 of file f_setpts.c.

Referenced by init().