ass.h File Reference
#include "avcodec.h"

Go to the source code of this file.

Macros

Default values for ASS style
#define ASS_DEFAULT_FONT   "Arial"
#define ASS_DEFAULT_FONT_SIZE   16
#define ASS_DEFAULT_COLOR   0xffffff
#define ASS_DEFAULT_BACK_COLOR   0
#define ASS_DEFAULT_BOLD   0
#define ASS_DEFAULT_ITALIC   0
#define ASS_DEFAULT_UNDERLINE   0
#define ASS_DEFAULT_ALIGNMENT   2

Functions

int ff_ass_subtitle_header_default (AVCodecContext *avctx)
 Generate a suitable AVCodecContext.subtitle_header for SUBTITLE_ASS with default style.
void ff_ass_init (AVSubtitle *sub)
 Initialize an AVSubtitle structure for use with ff_ass_add_rect().
int ff_ass_add_rect (AVSubtitle *sub, const char *dialog, int ts_start, int ts_end, int raw)
 Add an ASS dialog line to an AVSubtitle as a new AVSubtitleRect.

Macro Definition Documentation

#define ASS_DEFAULT_ALIGNMENT   2

Definition at line 38 of file ass.h.

Referenced by ff_ass_subtitle_header_default().

#define ASS_DEFAULT_BACK_COLOR   0

Definition at line 34 of file ass.h.

Referenced by ff_ass_subtitle_header_default().

#define ASS_DEFAULT_BOLD   0

Definition at line 35 of file ass.h.

Referenced by ff_ass_subtitle_header_default().

#define ASS_DEFAULT_COLOR   0xffffff

Definition at line 33 of file ass.h.

Referenced by ff_ass_subtitle_header_default().

#define ASS_DEFAULT_FONT   "Arial"

Definition at line 31 of file ass.h.

Referenced by ff_ass_subtitle_header_default().

#define ASS_DEFAULT_FONT_SIZE   16

Definition at line 32 of file ass.h.

Referenced by ff_ass_subtitle_header_default().

#define ASS_DEFAULT_ITALIC   0

Definition at line 36 of file ass.h.

Referenced by ff_ass_subtitle_header_default().

#define ASS_DEFAULT_UNDERLINE   0

Definition at line 37 of file ass.h.

Referenced by ff_ass_subtitle_header_default().

Function Documentation

int ff_ass_add_rect ( AVSubtitle sub,
const char *  dialog,
int  ts_start,
int  ts_end,
int  raw 
)

Add an ASS dialog line to an AVSubtitle as a new AVSubtitleRect.

Parameters
subpointer to the AVSubtitle
dialogASS dialog to add to sub
ts_startstart timestamp for this dialog (in 1/100 second unit)
ts_endend timestamp for this dialog (in 1/100 second unit)
rawwhen set to 1, it indicates that dialog contains a whole ASS dialog line which should be copied as is. when set to 0, it indicates that dialog contains only the Text part of the ASS dialog line, the rest of the line will be generated.
Returns
number of characters read from dialog. It can be less than the whole length of dialog, if dialog contains several lines of text. A negative value indicates an error.

Definition at line 95 of file ass.c.

Referenced by ass_decode_frame(), and srt_decode_frame().

void ff_ass_init ( AVSubtitle sub)

Initialize an AVSubtitle structure for use with ff_ass_add_rect().

Parameters
subpointer to the AVSubtitle

Definition at line 81 of file ass.c.

Referenced by ass_decode_frame(), and srt_decode_frame().

int ff_ass_subtitle_header_default ( AVCodecContext avctx)

Generate a suitable AVCodecContext.subtitle_header for SUBTITLE_ASS with default style.

Parameters
avctxpointer to the AVCodecContext
Returns
>= 0 on success otherwise an error code <0

Definition at line 69 of file ass.c.