movtextdec.c File Reference

#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"

Go to the source code of this file.

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 []
const static 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.

STYLE_FLAG_ITALIC

#define STYLE_FLAG_ITALIC   (1<<1)

Definition at line 31 of file movtextdec.c.

STYLE_FLAG_UNDERLINE

#define STYLE_FLAG_UNDERLINE   (1<<2)

Definition at line 32 of file movtextdec.c.

BOX_SIZE_INITIAL

#define BOX_SIZE_INITIAL   40

Definition at line 34 of file movtextdec.c.

STYL_BOX

#define STYL_BOX   (1<<0)

Definition at line 36 of file movtextdec.c.

HLIT_BOX

#define HLIT_BOX   (1<<1)

Definition at line 37 of file movtextdec.c.

HCLR_BOX

#define HCLR_BOX   (1<<2)

Definition at line 38 of file movtextdec.c.

TWRP_BOX

#define TWRP_BOX   (1<<3)

Definition at line 39 of file movtextdec.c.

BOTTOM_LEFT

#define BOTTOM_LEFT   1

Definition at line 41 of file movtextdec.c.

BOTTOM_CENTER

#define BOTTOM_CENTER   2

Definition at line 42 of file movtextdec.c.

BOTTOM_RIGHT

#define BOTTOM_RIGHT   3

Definition at line 43 of file movtextdec.c.

MIDDLE_LEFT

#define MIDDLE_LEFT   4

Definition at line 44 of file movtextdec.c.

MIDDLE_CENTER

#define MIDDLE_CENTER   5

Definition at line 45 of file movtextdec.c.

MIDDLE_RIGHT

#define MIDDLE_RIGHT   6

Definition at line 46 of file movtextdec.c.

TOP_LEFT

#define TOP_LEFT   7

Definition at line 47 of file movtextdec.c.

TOP_CENTER

#define TOP_CENTER   8

Definition at line 48 of file movtextdec.c.

TOP_RIGHT

#define TOP_RIGHT   9

Definition at line 49 of file movtextdec.c.

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.

Referenced by mov_text_decode_frame().

box_count

const static 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.