libavcodec/ass.h File Reference

#include "avcodec.h"

Go to the source code of this file.

Defines

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 (AVCodecContext *avctx, const char *font, int font_size, int color, int back_color, int bold, int italic, int underline, int alignment)
 Generate a suitable AVCodecContext.subtitle_header for SUBTITLE_ASS.
int ff_ass_subtitle_header_default (AVCodecContext *avctx)
 Generate a suitable AVCodecContext.subtitle_header for SUBTITLE_ASS with default style.
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.


Define Documentation

#define ASS_DEFAULT_ALIGNMENT   2

Definition at line 38 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), and srt_style_apply().

#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(), and srt_style_apply().

#define ASS_DEFAULT_COLOR   0xffffff

Definition at line 33 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), and srt_style_apply().

#define ASS_DEFAULT_FONT   "Arial"

Definition at line 31 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), and srt_style_apply().

#define ASS_DEFAULT_FONT_SIZE   16

Definition at line 32 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), and srt_style_apply().

#define ASS_DEFAULT_ITALIC   0

Definition at line 36 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), and srt_style_apply().

#define ASS_DEFAULT_UNDERLINE   0

Definition at line 37 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), and srt_style_apply().


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:
sub pointer to the AVSubtitle
dialog ASS dialog to add to sub
ts_start start timestamp for this dialog (in 1/100 second unit)
ts_end end timestamp for this dialog (in 1/100 second unit)
raw when 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 75 of file ass.c.

Referenced by ass_decode_frame(), and srt_decode_frame().

int ff_ass_subtitle_header ( AVCodecContext avctx,
const char *  font,
int  font_size,
int  color,
int  back_color,
int  bold,
int  italic,
int  underline,
int  alignment 
)

Generate a suitable AVCodecContext.subtitle_header for SUBTITLE_ASS.

Parameters:
avctx pointer to the AVCodecContext
font name of the default font face to use
font_size default font size to use
color default text color to use (ABGR)
back_color default background color to use (ABGR)
bold 1 for bold text, 0 for normal text
italic 1 for italic text, 0 for normal text
underline 1 for underline text, 0 for normal text
alignment position of the text (left, center, top...), defined after the layout of the numpad (1-3 sub, 4-6 mid, 7-9 top)
Returns:
>= 0 on success otherwise an error code <0

Definition at line 26 of file ass.c.

Referenced by ff_ass_subtitle_header_default().

int ff_ass_subtitle_header_default ( AVCodecContext avctx  ) 

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

Parameters:
avctx pointer to the AVCodecContext
Returns:
>= 0 on success otherwise an error code <0

Definition at line 54 of file ass.c.


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