webvttdec.c File Reference

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

Go to the source code of this file.

Functions
static int	webvtt_event_to_ass (AVBPrint *buf, const char *p)
static int	webvtt_decode_frame (AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, const AVPacket *avpkt)

Variables
struct {
const char *   from
const char *   to
}	webvtt_tag_replace []
const FFCodec	ff_webvtt_decoder

Detailed Description

WebVTT subtitle decoder

See also

http://dev.w3.org/html5/webvtt/

Todo:

need to support extended markups and cue settings

Definition in file webvttdec.c.

Function Documentation

webvtt_event_to_ass()

static int webvtt_event_to_ass ( AVBPrint *  buf, const char *  p  )

static

Definition at line 46 of file webvttdec.c.

Referenced by webvtt_decode_frame().

webvtt_decode_frame()

static int webvtt_decode_frame ( AVCodecContext *  avctx, AVSubtitle *  sub, int *  got_sub_ptr, const AVPacket *  avpkt  )

static

Definition at line 83 of file webvttdec.c.

Variable Documentation

from

const char* from

Definition at line 34 of file webvttdec.c.

Referenced by webvtt_event_to_ass().

to

const char* to

Definition at line 35 of file webvttdec.c.

Referenced by av_strireplace(), copy_block(), copy_picture_range(), ff_mjpegenc_huffman_compute_bits(), ff_mov_lang_to_iso639(), ff_shuffle_filter_coefficients(), filter_frame(), magy_huffman_compute_bits(), and webvtt_event_to_ass().

webvtt_tag_replace

const { ... } webvtt_tag_replace[]

Initial value:

= {
    {"<i>", "{\\i1}"}, {"</i>", "{\\i0}"},
    {"<b>", "{\\b1}"}, {"</b>", "{\\b0}"},
    {"<u>", "{\\u1}"}, {"</u>", "{\\u0}"},
    {"{", "\\{"}, {"}", "\\}"}, 
    {"&gt;", ">"}, {"&lt;", "<"},
    {"&lrm;", ""}, {"&rlm;", ""}, 
    {"&amp;", "&"}, {"&nbsp;", "\\h"},
}

Referenced by webvtt_event_to_ass().

ff_webvtt_decoder

const FFCodec ff_webvtt_decoder

Initial value:

= {
    .p.name         = "webvtt",
    .p.long_name    = NULL_IF_CONFIG_SMALL("WebVTT subtitle"),
    .p.type         = AVMEDIA_TYPE_SUBTITLE,
    .p.id           = AV_CODEC_ID_WEBVTT,
    FF_CODEC_DECODE_SUB_CB(webvtt_decode_frame),
    .init           = ff_ass_subtitle_header_default,
    .flush          = ff_ass_decoder_flush,
    .priv_data_size = sizeof(FFASSDecoderContext),
    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 101 of file webvttdec.c.