setts.c File Reference

Change the PTS/DTS timestamps. More...

#include "libavutil/opt.h"
#include "libavutil/eval.h"
#include "libavcodec/bsf.h"
#include "libavcodec/bsf_internal.h"

Go to the source code of this file.

Data Structures
struct	SetTSContext

Macros
#define	PRESCALED(x)
#define	OFFSET(x)
#define	FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_SUBTITLE_PARAM|AV_OPT_FLAG_BSF_PARAM)

Enumerations
enum	var_name {   VAR_N , VAR_TS , VAR_POS , VAR_PREV_INPTS ,   VAR_PREV_INDTS , VAR_PREV_INDUR , VAR_PREV_OUTPTS , VAR_PREV_OUTDTS ,   VAR_PREV_OUTDUR , VAR_NEXT_PTS , VAR_NEXT_DTS , VAR_NEXT_DUR ,   VAR_PTS , VAR_DTS , VAR_DURATION , VAR_STARTPTS ,   VAR_STARTDTS , VAR_TB , VAR_TB_OUT , VAR_SR ,   VAR_NOPTS , VAR_VARS_NB }

Functions
static int	setts_init (AVBSFContext *ctx)
static int	setts_filter (AVBSFContext *ctx, AVPacket *pkt)
static void	setts_close (AVBSFContext *bsf)

Variables
static const char *const	var_names []
static const AVOption	options []
static const AVClass	setts_class
const FFBitStreamFilter	ff_setts_bsf

Detailed Description

Change the PTS/DTS timestamps.

Definition in file setts.c.

Macro Definition Documentation

PRESCALED

#define PRESCALED

(

x

)

Value:

( s->prescale ? av_rescale_q(x, ctx->time_base_in, ctx->time_base_out) : x )

Definition at line 171 of file setts.c.

Referenced by setts_filter().

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(SetTSContext, x)

Definition at line 271 of file setts.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_SUBTITLE_PARAM|AV_OPT_FLAG_BSF_PARAM)

Definition at line 272 of file setts.c.

Enumeration Type Documentation

var_name

enum var_name

Enumerator
VAR_N
VAR_TS
VAR_POS
VAR_PREV_INPTS
VAR_PREV_INDTS
VAR_PREV_INDUR
VAR_PREV_OUTPTS
VAR_PREV_OUTDTS
VAR_PREV_OUTDUR
VAR_NEXT_PTS
VAR_NEXT_DTS
VAR_NEXT_DUR
VAR_PTS
VAR_DTS
VAR_DURATION
VAR_STARTPTS
VAR_STARTDTS
VAR_TB
VAR_TB_OUT
VAR_SR
VAR_NOPTS
VAR_VARS_NB

Definition at line 57 of file setts.c.

Function Documentation

setts_init()

static int setts_init ( AVBSFContext * ctx )

static

Definition at line 108 of file setts.c.

setts_filter()

static int setts_filter ( AVBSFContext * ctx, AVPacket * pkt )

static

Definition at line 173 of file setts.c.

setts_close()

static void setts_close ( AVBSFContext * bsf )

static

Definition at line 253 of file setts.c.

Variable Documentation

var_names

const char* const var_names[]

static

Initial value:

= {
    "N",           
    "TS",
    "POS",         
    "PREV_INPTS",  
    "PREV_INDTS",  
    "PREV_INDURATION", 
    "PREV_OUTPTS", 
    "PREV_OUTDTS", 
    "PREV_OUTDURATION", 
    "NEXT_PTS",    
    "NEXT_DTS",    
    "NEXT_DURATION", 
    "PTS",         
    "DTS",         
    "DURATION",    
    "STARTPTS",    
    "STARTDTS",    
    "TB",          
    "TB_OUT",      
    "SR",          
    "NOPTS",       
    NULL
}

Definition at line 32 of file setts.c.

options

const AVOption options[]

static

Initial value:

= {
    { "ts",  "set expression for packet PTS and DTS", OFFSET(ts_str),  AV_OPT_TYPE_STRING, {.str="TS"}, 0, 0, FLAGS },
    { "pts", "set expression for packet PTS", OFFSET(pts_str), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS },
    { "dts", "set expression for packet DTS", OFFSET(dts_str), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS },
    { "duration", "set expression for packet duration", OFFSET(duration_str), AV_OPT_TYPE_STRING, {.str="DURATION"}, 0, 0, FLAGS },
    { "time_base", "set output timebase", OFFSET(time_base), AV_OPT_TYPE_RATIONAL, {.dbl=0}, 0, INT_MAX, FLAGS },
    { "prescale",  "convert to output timebase before evaluation", OFFSET(prescale), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
    { NULL },
}

Definition at line 274 of file setts.c.

setts_class

const AVClass setts_class

static

Initial value:

= {
    .class_name = "setts_bsf",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 284 of file setts.c.

ff_setts_bsf

const FFBitStreamFilter ff_setts_bsf

Initial value:

= {
    .p.name         = "setts",
    .p.priv_class   = &setts_class,
    .priv_data_size = sizeof(SetTSContext),
    .init           = setts_init,
    .close          = setts_close,
    .filter         = setts_filter,
}

Definition at line 291 of file setts.c.