webvttdec.c File Reference

WebVTT subtitle decoder. More...

#include "avcodec.h"
#include "ass.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, void *data, int *got_sub_ptr, AVPacket *avpkt)

Variables
struct {
const char *   from
const char *   to
}	webvtt_tag_replace []
AVCodec	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 45 of file webvttdec.c.

Referenced by webvtt_decode_frame().

webvtt_decode_frame()

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

static

Definition at line 82 of file webvttdec.c.

Variable Documentation

from

const char* from

Definition at line 33 of file webvttdec.c.

Referenced by webvtt_event_to_ass().

to

const char* to

Definition at line 34 of file webvttdec.c.

Referenced by av_isxdigit(), ff_mjpegenc_huffman_compute_bits(), 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

AVCodec ff_webvtt_decoder

Initial value:

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

Definition at line 101 of file webvttdec.c.