libaribb24.c File Reference

#include "avcodec.h"
#include "libavcodec/ass.h"
#include "codec_internal.h"
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include <aribb24/aribb24.h>
#include <aribb24/parser.h>
#include <aribb24/decoder.h>

Go to the source code of this file.

Data Structures
struct	Libaribb24Context

Macros
#define	RGB_TO_BGR(c)   (((c) & 0xff) << 16 | ((c) & 0xff00) | (((c) >> 16) & 0xff))
#define	OFFSET(x)   offsetof(Libaribb24Context, x)
#define	SD   AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_DECODING_PARAM

Functions
static unsigned int	get_profile_font_size (AVCodecContext *avctx)
static void	libaribb24_log (void *p, const char *msg)
static int	libaribb24_generate_ass_header (AVCodecContext *avctx)
static av_cold int	libaribb24_init (AVCodecContext *avctx)
static av_cold int	libaribb24_close (AVCodecContext *avctx)
static int	libaribb24_handle_regions (AVCodecContext *avctx, AVSubtitle *sub)
static int	libaribb24_decode (AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, const AVPacket *pkt)
static void	libaribb24_flush (AVCodecContext *avctx)

Variables
static const AVOption	options []
static const AVClass	aribb24_class
const FFCodec	ff_libaribb24_decoder

Macro Definition Documentation

RGB_TO_BGR

#define RGB_TO_BGR

(

c

)

(((c) & 0xff) << 16 | ((c) & 0xff00) | (((c) >> 16) & 0xff))

Definition at line 213 of file libaribb24.c.

OFFSET

#define OFFSET

(

x

)

offsetof(Libaribb24Context, x)

Definition at line 375 of file libaribb24.c.

SD

#define SD   AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 376 of file libaribb24.c.

Function Documentation

get_profile_font_size()

static unsigned int get_profile_font_size ( AVCodecContext *  avctx )

static

Definition at line 48 of file libaribb24.c.

Referenced by libaribb24_generate_ass_header(), and libaribb24_handle_regions().

libaribb24_log()

static void libaribb24_log ( void *  p, const char *  msg  )

static

Definition at line 66 of file libaribb24.c.

Referenced by libaribb24_init().

libaribb24_generate_ass_header()

static int libaribb24_generate_ass_header ( AVCodecContext *  avctx )

static

Definition at line 71 of file libaribb24.c.

Referenced by libaribb24_init().

libaribb24_init()

static av_cold int libaribb24_init ( AVCodecContext *  avctx )

static

Definition at line 147 of file libaribb24.c.

libaribb24_close()

static av_cold int libaribb24_close ( AVCodecContext *  avctx )

static

Definition at line 200 of file libaribb24.c.

libaribb24_handle_regions()

static int libaribb24_handle_regions ( AVCodecContext *  avctx, AVSubtitle *  sub  )

static

Definition at line 215 of file libaribb24.c.

Referenced by libaribb24_decode().

libaribb24_decode()

static int libaribb24_decode ( AVCodecContext *  avctx, AVSubtitle *  sub, int *  got_sub_ptr, const AVPacket *  pkt  )

static

Definition at line 294 of file libaribb24.c.

libaribb24_flush()

static void libaribb24_flush ( AVCodecContext *  avctx )

static

Definition at line 368 of file libaribb24.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "aribb24-base-path", "set the base path for the libaribb24 library",
      OFFSET(aribb24_base_path), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, SD },
    { "aribb24-skip-ruby-text", "skip ruby text blocks during decoding",
      OFFSET(aribb24_skip_ruby), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, SD },
    { "default_profile", "default profile to use if not specified in the stream parameters",
      OFFSET(default_profile), AV_OPT_TYPE_INT, { .i64 = AV_PROFILE_UNKNOWN }, AV_PROFILE_UNKNOWN, AV_PROFILE_ARIB_PROFILE_C, SD, .unit = "profile" },
        {"a", "Profile A", 0, AV_OPT_TYPE_CONST, {.i64 = AV_PROFILE_ARIB_PROFILE_A}, INT_MIN, INT_MAX, SD, .unit = "profile"},
        {"c", "Profile C", 0, AV_OPT_TYPE_CONST, {.i64 = AV_PROFILE_ARIB_PROFILE_C}, INT_MIN, INT_MAX, SD, .unit = "profile"},
    { NULL }
}

Definition at line 377 of file libaribb24.c.

aribb24_class

const AVClass aribb24_class

static

Initial value:

= {
    .class_name = "libaribb24 decoder",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 389 of file libaribb24.c.

ff_libaribb24_decoder

const FFCodec ff_libaribb24_decoder

Initial value:

= {
    .p.name         = "libaribb24",
    CODEC_LONG_NAME("libaribb24 ARIB STD-B24 caption decoder"),
    .p.type         = AVMEDIA_TYPE_SUBTITLE,
    .p.id           = AV_CODEC_ID_ARIB_CAPTION,
    .p.priv_class   = &aribb24_class,
    .p.wrapper_name = "libaribb24",
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_NOT_INIT_THREADSAFE,
    .priv_data_size = sizeof(Libaribb24Context),
    .init      = libaribb24_init,
    .close     = libaribb24_close,
    FF_CODEC_DECODE_SUB_CB(libaribb24_decode),
    .flush     = libaribb24_flush,
}

Definition at line 396 of file libaribb24.c.