#include "avcodec.h"
#include "ass.h"
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/bprint.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"

Data Structures
struct	MovTextDefault

struct	FontRecord

struct	StyleBox

struct	HighlightBox

struct	HilightcolorBox

struct	TextWrapBox

struct	MovTextContext

struct	Box

Macros
#define	STYLE_FLAG_BOLD (1<<0)

#define	STYLE_FLAG_ITALIC (1<<1)

#define	STYLE_FLAG_UNDERLINE (1<<2)

#define	BOX_SIZE_INITIAL 40

#define	STYL_BOX (1<<0)

#define	HLIT_BOX (1<<1)

#define	HCLR_BOX (1<<2)

#define	TWRP_BOX (1<<3)

#define	BOTTOM_LEFT 1

#define	BOTTOM_CENTER 2

#define	BOTTOM_RIGHT 3

#define	MIDDLE_LEFT 4

#define	MIDDLE_CENTER 5

#define	MIDDLE_RIGHT 6

#define	TOP_LEFT 7

#define	TOP_CENTER 8

#define	TOP_RIGHT 9

Functions
static void	mov_text_cleanup (MovTextContext *m)

static void	mov_text_cleanup_ftab (MovTextContext *m)

static int	mov_text_tx3g (AVCodecContext avctx, MovTextContext m)

static int	decode_twrp (const uint8_t tsmb, MovTextContext m, AVPacket *avpkt)

static int	decode_hlit (const uint8_t tsmb, MovTextContext m, AVPacket *avpkt)

static int	decode_hclr (const uint8_t tsmb, MovTextContext m, AVPacket *avpkt)

static int	decode_styl (const uint8_t tsmb, MovTextContext m, AVPacket *avpkt)

static int	get_utf8_length_at (const char text, const char text_end)

static int	text_to_ass (AVBPrint buf, const char text, const char text_end, AVCodecContext avctx)

static int	mov_text_init (AVCodecContext *avctx)

static int	mov_text_decode_frame (AVCodecContext avctx, void data, int got_sub_ptr, AVPacket avpkt)

static int	mov_text_decode_close (AVCodecContext *avctx)

static void	mov_text_flush (AVCodecContext *avctx)

Variables
static const Box	box_types []

static const size_t	box_count = FF_ARRAY_ELEMS(box_types)

AVCodec	ff_movtext_decoder

Macro Definition Documentation

◆ STYLE_FLAG_BOLD

#define STYLE_FLAG_BOLD (1<<0)

Definition at line 30 of file movtextdec.c.

Referenced by mov_text_tx3g(), and text_to_ass().

◆ STYLE_FLAG_ITALIC

#define STYLE_FLAG_ITALIC (1<<1)

Definition at line 31 of file movtextdec.c.

Referenced by mov_text_tx3g(), and text_to_ass().

◆ STYLE_FLAG_UNDERLINE

#define STYLE_FLAG_UNDERLINE (1<<2)

Definition at line 32 of file movtextdec.c.

Referenced by mov_text_tx3g(), and text_to_ass().

◆ BOX_SIZE_INITIAL

#define BOX_SIZE_INITIAL 40

Definition at line 34 of file movtextdec.c.

Referenced by mov_text_tx3g().

◆ STYL_BOX

#define STYL_BOX (1<<0)

Definition at line 36 of file movtextdec.c.

Referenced by decode_styl(), mov_text_cleanup(), and text_to_ass().

◆ HLIT_BOX

#define HLIT_BOX (1<<1)

Definition at line 37 of file movtextdec.c.

Referenced by decode_hlit(), and text_to_ass().

◆ HCLR_BOX

#define HCLR_BOX (1<<2)

Definition at line 38 of file movtextdec.c.

Referenced by decode_hclr(), and text_to_ass().

◆ TWRP_BOX

#define TWRP_BOX (1<<3)

Definition at line 39 of file movtextdec.c.

Referenced by decode_twrp(), and text_to_ass().

◆ BOTTOM_LEFT

#define BOTTOM_LEFT 1

Definition at line 41 of file movtextdec.c.

Referenced by mov_text_tx3g().

◆ BOTTOM_CENTER

#define BOTTOM_CENTER 2

Definition at line 42 of file movtextdec.c.

Referenced by mov_text_tx3g().

◆ BOTTOM_RIGHT

#define BOTTOM_RIGHT 3

Definition at line 43 of file movtextdec.c.

Referenced by mov_text_tx3g().

◆ MIDDLE_LEFT

#define MIDDLE_LEFT 4

Definition at line 44 of file movtextdec.c.

Referenced by mov_text_tx3g().

◆ MIDDLE_CENTER

#define MIDDLE_CENTER 5

Definition at line 45 of file movtextdec.c.

Referenced by mov_text_tx3g().

◆ MIDDLE_RIGHT

#define MIDDLE_RIGHT 6

Definition at line 46 of file movtextdec.c.

Referenced by mov_text_tx3g().

◆ TOP_LEFT

#define TOP_LEFT 7

Definition at line 47 of file movtextdec.c.

Referenced by mov_text_tx3g().

◆ TOP_CENTER

#define TOP_CENTER 8

Definition at line 48 of file movtextdec.c.

Referenced by mov_text_tx3g().

◆ TOP_RIGHT

#define TOP_RIGHT 9

Definition at line 49 of file movtextdec.c.

Referenced by mov_text_tx3g().

Function Documentation

◆ mov_text_cleanup()

static void mov_text_cleanup ( MovTextContext * m )

static

Definition at line 111 of file movtextdec.c.

Referenced by decode_styl(), mov_text_decode_close(), and mov_text_decode_frame().

◆ mov_text_cleanup_ftab()

static void mov_text_cleanup_ftab ( MovTextContext * m )

static

Definition at line 124 of file movtextdec.c.

Referenced by mov_text_decode_close(), and mov_text_tx3g().

◆ mov_text_tx3g()

static int mov_text_tx3g	(	AVCodecContext *	avctx,
		MovTextContext *	m
	)

static

Definition at line 139 of file movtextdec.c.

Referenced by mov_text_init().

◆ decode_twrp()

static int decode_twrp	(	const uint8_t *	tsmb,
		MovTextContext *	m,
		AVPacket *	avpkt
	)

static

Definition at line 256 of file movtextdec.c.

◆ decode_hlit()

static int decode_hlit	(	const uint8_t *	tsmb,
		MovTextContext *	m,
		AVPacket *	avpkt
	)

static

Definition at line 263 of file movtextdec.c.

◆ decode_hclr()

static int decode_hclr	(	const uint8_t *	tsmb,
		MovTextContext *	m,
		AVPacket *	avpkt
	)

static

Definition at line 273 of file movtextdec.c.

◆ decode_styl()

static int decode_styl	(	const uint8_t *	tsmb,
		MovTextContext *	m,
		AVPacket *	avpkt
	)

static

Definition at line 281 of file movtextdec.c.

◆ get_utf8_length_at()

static int get_utf8_length_at	(	const char *	text,
		const char *	text_end
	)

static

Definition at line 338 of file movtextdec.c.

Referenced by text_to_ass().

◆ text_to_ass()

static int text_to_ass	(	AVBPrint *	buf,
		const char *	text,
		const char *	text_end,
		AVCodecContext *	avctx
	)

static

Definition at line 351 of file movtextdec.c.

Referenced by mov_text_decode_frame().

◆ mov_text_init()

static int mov_text_init ( AVCodecContext * avctx )

static

Definition at line 440 of file movtextdec.c.

◆ mov_text_decode_frame()

static int mov_text_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	got_sub_ptr,
		AVPacket *	avpkt
	)

static

Definition at line 459 of file movtextdec.c.

◆ mov_text_decode_close()

static int mov_text_decode_close ( AVCodecContext * avctx )

static

Definition at line 555 of file movtextdec.c.

◆ mov_text_flush()

static void mov_text_flush ( AVCodecContext * avctx )

static

Definition at line 563 of file movtextdec.c.

Variable Documentation

◆ box_types

const Box box_types[]

static

Initial value:

= {
    { MKBETAG('s','t','y','l'), 2, decode_styl },
    { MKBETAG('h','l','i','t'), 4, decode_hlit },
    { MKBETAG('h','c','l','r'), 4, decode_hclr },
    { MKBETAG('t','w','r','p'), 1, decode_twrp }
}

Definition at line 328 of file movtextdec.c.

◆ box_count

const size_t box_count = FF_ARRAY_ELEMS(box_types)

static

Definition at line 335 of file movtextdec.c.

Referenced by mov_text_decode_frame().

◆ ff_movtext_decoder

AVCodec ff_movtext_decoder

Initial value:

= {
    .name         = "mov_text",
    .long_name    = NULL_IF_CONFIG_SMALL("3GPP Timed Text subtitle"),
    .type         = AVMEDIA_TYPE_SUBTITLE,
    .id           = AV_CODEC_ID_MOV_TEXT,
    .priv_data_size = sizeof(MovTextContext),
    .init         = mov_text_init,
    .decode       = mov_text_decode_frame,
    .close        = mov_text_decode_close,
    .flush        = mov_text_flush,
}

Definition at line 570 of file movtextdec.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ STYLE_FLAG_BOLD

◆ STYLE_FLAG_ITALIC

◆ STYLE_FLAG_UNDERLINE

◆ BOX_SIZE_INITIAL

◆ STYL_BOX

◆ HLIT_BOX

◆ HCLR_BOX

◆ TWRP_BOX

◆ BOTTOM_LEFT

◆ BOTTOM_CENTER

◆ BOTTOM_RIGHT

◆ MIDDLE_LEFT

◆ MIDDLE_CENTER

◆ MIDDLE_RIGHT

◆ TOP_LEFT

◆ TOP_CENTER

◆ TOP_RIGHT

Function Documentation

◆ mov_text_cleanup()

◆ mov_text_cleanup_ftab()

◆ mov_text_tx3g()

◆ decode_twrp()

◆ decode_hlit()

◆ decode_hclr()

◆ decode_styl()

◆ get_utf8_length_at()

◆ text_to_ass()

◆ mov_text_init()

◆ mov_text_decode_frame()

◆ mov_text_decode_close()

◆ mov_text_flush()

Variable Documentation

◆ box_types

◆ box_count

◆ ff_movtext_decoder