movtextenc.c File Reference

#include <stdarg.h>
#include "avcodec.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavutil/common.h"
#include "ass_split.h"
#include "ass.h"

Go to the source code of this file.

Data Structures
struct	StyleBox
struct	HighlightBox
struct	HilightcolorBox
struct	MovTextContext
struct	Box

Macros
#define	STYLE_FLAG_BOLD   (1<<0)
#define	STYLE_FLAG_ITALIC   (1<<1)
#define	STYLE_FLAG_UNDERLINE   (1<<2)
#define	STYLE_RECORD_SIZE   12
#define	SIZE_ADD   10
#define	STYL_BOX   (1<<0)
#define	HLIT_BOX   (1<<1)
#define	HCLR_BOX   (1<<2)
#define	av_bprint_append_any(buf, data, size)   av_bprint_append_data(buf, ((const char*)data), size)

Functions
static void	mov_text_cleanup (MovTextContext *s)
static void	encode_styl (MovTextContext *s, uint32_t tsmb_type)
static void	encode_hlit (MovTextContext *s, uint32_t tsmb_type)
static void	encode_hclr (MovTextContext *s, uint32_t tsmb_type)
static av_cold int	mov_text_encode_init (AVCodecContext *avctx)
static void	mov_text_style_cb (void *priv, const char style, int close)
static void	mov_text_color_cb (void *priv, unsigned int color, unsigned int color_id)
static uint16_t	utf8_strlen (const char *text, int len)
static void	mov_text_text_cb (void *priv, const char *text, int len)
static void	mov_text_new_line_cb (void *priv, int forced)
static int	mov_text_encode_frame (AVCodecContext *avctx, unsigned char *buf, int bufsize, const AVSubtitle *sub)
static int	mov_text_encode_close (AVCodecContext *avctx)

Variables
static const Box	box_types []
const static size_t	box_count = FF_ARRAY_ELEMS(box_types)
static const ASSCodesCallbacks	mov_text_callbacks
AVCodec	ff_movtext_encoder

Macro Definition Documentation

STYLE_FLAG_BOLD

#define STYLE_FLAG_BOLD   (1<<0)

Definition at line 32 of file movtextenc.c.

STYLE_FLAG_ITALIC

#define STYLE_FLAG_ITALIC   (1<<1)

Definition at line 33 of file movtextenc.c.

STYLE_FLAG_UNDERLINE

#define STYLE_FLAG_UNDERLINE   (1<<2)

Definition at line 34 of file movtextenc.c.

STYLE_RECORD_SIZE

#define STYLE_RECORD_SIZE   12

Definition at line 35 of file movtextenc.c.

SIZE_ADD

#define SIZE_ADD   10

Definition at line 36 of file movtextenc.c.

STYL_BOX

#define STYL_BOX   (1<<0)

Definition at line 38 of file movtextenc.c.

HLIT_BOX

#define HLIT_BOX   (1<<1)

Definition at line 39 of file movtextenc.c.

HCLR_BOX

#define HCLR_BOX   (1<<2)

Definition at line 40 of file movtextenc.c.

av_bprint_append_any

#define av_bprint_append_any	(		buf,
			data,
			size
	)		av_bprint_append_data(buf, ((const char*)data), size)

Definition at line 42 of file movtextenc.c.

Function Documentation

mov_text_cleanup()

static void mov_text_cleanup ( MovTextContext *  s )

static

Definition at line 83 of file movtextenc.c.

Referenced by encode_styl(), and mov_text_style_cb().

encode_styl()

static void encode_styl ( MovTextContext *  s, uint32_t  tsmb_type  )

static

Definition at line 94 of file movtextenc.c.

encode_hlit()

static void encode_hlit ( MovTextContext *  s, uint32_t  tsmb_type  )

static

Definition at line 122 of file movtextenc.c.

encode_hclr()

static void encode_hclr ( MovTextContext *  s, uint32_t  tsmb_type  )

static

Definition at line 135 of file movtextenc.c.

mov_text_encode_init()

static av_cold int mov_text_encode_init ( AVCodecContext *  avctx )

static

Definition at line 155 of file movtextenc.c.

mov_text_style_cb()

static void mov_text_style_cb ( void *  priv, const char  style, int  close  )

static

Definition at line 208 of file movtextenc.c.

mov_text_color_cb()

static void mov_text_color_cb ( void *  priv, unsigned int  color, unsigned int  color_id  )

static

Definition at line 289 of file movtextenc.c.

utf8_strlen()

static uint16_t utf8_strlen ( const char *  text, int  len  )

static

Definition at line 308 of file movtextenc.c.

Referenced by mov_text_text_cb().

mov_text_text_cb()

static void mov_text_text_cb ( void *  priv, const char *  text, int  len  )

static

Definition at line 328 of file movtextenc.c.

mov_text_new_line_cb()

static void mov_text_new_line_cb ( void *  priv, int  forced  )

static

Definition at line 338 of file movtextenc.c.

mov_text_encode_frame()

static int mov_text_encode_frame ( AVCodecContext *  avctx, unsigned char *  buf, int  bufsize, const AVSubtitle *  sub  )

static

Definition at line 353 of file movtextenc.c.

mov_text_encode_close()

static int mov_text_encode_close ( AVCodecContext *  avctx )

static

Definition at line 424 of file movtextenc.c.

Variable Documentation

box_types

const Box box_types[]

static

Initial value:

= {
    { MKTAG('s','t','y','l'), encode_styl },
    { MKTAG('h','l','i','t'), encode_hlit },
    { MKTAG('h','c','l','r'), encode_hclr },
}

Definition at line 147 of file movtextenc.c.

Referenced by mov_text_encode_frame().

box_count

const static size_t box_count = FF_ARRAY_ELEMS(box_types)

static

Definition at line 153 of file movtextenc.c.

Referenced by mov_text_encode_frame().

mov_text_callbacks

const ASSCodesCallbacks mov_text_callbacks

static

Initial value:

= {
    .text     = mov_text_text_cb,
    .new_line = mov_text_new_line_cb,
    .style    = mov_text_style_cb,
    .color    = mov_text_color_cb,
}

Definition at line 346 of file movtextenc.c.

Referenced by mov_text_encode_frame().

ff_movtext_encoder

AVCodec ff_movtext_encoder

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_encode_init,
    .encode_sub     = mov_text_encode_frame,
    .close          = mov_text_encode_close,
}

Definition at line 432 of file movtextenc.c.