#include "avcodec.h"
#include "libavutil/bprint.h"

Data Structures
struct	FFASSDecoderContext

Macros
#define	ASS_DEFAULT_PLAYRESX 384

#define	ASS_DEFAULT_PLAYRESY 288

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

#define	ASS_DEFAULT_BORDERSTYLE 1

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 border_style, int alignment)
	Generate a suitable AVCodecContext.subtitle_header for SUBTITLE_ASS. More...

int	ff_ass_subtitle_header_default (AVCodecContext *avctx)
	Generate a suitable AVCodecContext.subtitle_header for SUBTITLE_ASS with default style. More...

char *	ff_ass_get_dialog (int readorder, int layer, const char style, const char speaker, const char *text)
	Craft an ASS dialog string. More...

int	ff_ass_add_rect (AVSubtitle sub, const char dialog, int readorder, int layer, const char style, const char speaker)
	Add an ASS dialog to a subtitle. More...

void	ff_ass_decoder_flush (AVCodecContext *avctx)
	Helper to flush a text subtitles decoder making use of the FFASSDecoderContext. More...

void	ff_ass_bprint_text_event (AVBPrint buf, const char p, int size, const char *linebreaks, int keep_ass_markup)
	Escape a text subtitle using ASS syntax into an AVBPrint buffer. More...

Macro Definition Documentation

#define ASS_DEFAULT_PLAYRESX 384

Definition at line 28 of file ass.h.

Referenced by capture_screen(), ff_ass_subtitle_header(), and srt_to_ass().

#define ASS_DEFAULT_PLAYRESY 288

Definition at line 29 of file ass.h.

Referenced by capture_screen(), ff_ass_subtitle_header(), and srt_to_ass().

#define ASS_DEFAULT_FONT "Arial"

Definition at line 35 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), microdvd_init(), and srt_style_apply().

#define ASS_DEFAULT_FONT_SIZE 16

Definition at line 36 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), init_decoder(), microdvd_init(), and srt_style_apply().

#define ASS_DEFAULT_COLOR 0xffffff

Definition at line 37 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), init_decoder(), microdvd_init(), and srt_style_apply().

#define ASS_DEFAULT_BACK_COLOR 0

Definition at line 38 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), init_decoder(), and microdvd_init().

#define ASS_DEFAULT_BOLD 0

Definition at line 39 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), init_decoder(), microdvd_init(), srt_style_apply(), and webvtt_style_apply().

#define ASS_DEFAULT_ITALIC 0

Definition at line 40 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), init_decoder(), microdvd_init(), srt_style_apply(), and webvtt_style_apply().

#define ASS_DEFAULT_UNDERLINE 0

Definition at line 41 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), init_decoder(), microdvd_init(), srt_style_apply(), and webvtt_style_apply().

#define ASS_DEFAULT_ALIGNMENT 2

Definition at line 42 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), init_decoder(), microdvd_init(), and srt_style_apply().

#define ASS_DEFAULT_BORDERSTYLE 1

Definition at line 43 of file ass.h.

Referenced by ff_ass_subtitle_header_default(), microdvd_init(), and mov_text_init().

Function Documentation

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	border_style,
		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 29 of file ass.c.

Referenced by ff_ass_subtitle_header_default(), init_decoder(), microdvd_init(), and mov_text_init().

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 80 of file ass.c.

Referenced by mov_text_init(), sami_init(), and teletext_init_decoder().

char* ff_ass_get_dialog	(	int	readorder,
		int	layer,
		const char *	style,
		const char *	speaker,
		const char *	text
	)

Craft an ASS dialog string.

Definition at line 93 of file ass.c.

Referenced by create_ass_text(), and ff_ass_add_rect().

int ff_ass_add_rect	(	AVSubtitle *	sub,
		const char *	dialog,
		int	readorder,
		int	layer,
		const char *	style,
		const char *	speaker
	)

Add an ASS dialog to a subtitle.

Definition at line 101 of file ass.c.

Referenced by decode(), jacosub_decode_frame(), microdvd_decode_frame(), mov_text_decode_frame(), mpl2_decode_frame(), realtext_decode_frame(), sami_decode_frame(), srt_decode_frame(), subviewer_decode_frame(), text_decode_frame(), and webvtt_decode_frame().

void ff_ass_decoder_flush ( AVCodecContext * avctx )

Helper to flush a text subtitles decoder making use of the FFASSDecoderContext.

Definition at line 124 of file ass.c.

void ff_ass_bprint_text_event	(	AVBPrint *	buf,
		const char *	p,
		int	size,
		const char *	linebreaks,
		int	keep_ass_markup
	)

Escape a text subtitle using ASS syntax into an AVBPrint buffer.

Newline characters will be escaped to .

Parameters

buf	pointer to an initialized AVBPrint buffer
p	source text
size	size of the source text
linebreaks	additional newline chars, which will be escaped to
keep_ass_markup	braces and backslash will not be escaped if set

Definition at line 131 of file ass.c.

Referenced by create_ass_text(), and text_decode_frame().

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation