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91 lines
3.0 KiB
91 lines
3.0 KiB
/*****************************************************************************
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* webvtt.h: WEBVTT shared code
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*****************************************************************************
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* Copyright (C) 2017 VideoLabs, VLC authors and VideoLAN
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef WEBVTT_H
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#define WEBVTT_H
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#include <vlc_tick.h>
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int webvtt_OpenDecoder ( vlc_object_t * );
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void webvtt_CloseDecoder ( vlc_object_t * );
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int webvtt_OpenDemux ( vlc_object_t * );
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int webvtt_OpenDemuxStream (vlc_object_t *);
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void webvtt_CloseDemux ( vlc_object_t * );
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#ifdef ENABLE_SOUT
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int webvtt_OpenEncoder ( vlc_object_t * );
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int webvtt_OpenMuxer ( vlc_object_t * );
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void webvtt_CloseMuxer ( vlc_object_t * );
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#endif
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#define ATOM_iden VLC_FOURCC('i', 'd', 'e', 'n')
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#define ATOM_payl VLC_FOURCC('p', 'a', 'y', 'l')
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#define ATOM_sttg VLC_FOURCC('s', 't', 't', 'g')
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#define ATOM_vttc VLC_FOURCC('v', 't', 't', 'c')
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#define ATOM_vtte VLC_FOURCC('v', 't', 't', 'e')
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#define ATOM_vttx VLC_FOURCC('v', 't', 't', 'x')
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typedef struct webvtt_text_parser_t webvtt_text_parser_t;
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enum webvtt_header_line_e
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{
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WEBVTT_HEADER_STYLE = 1,
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WEBVTT_HEADER_REGION,
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};
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typedef struct
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{
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vlc_tick_t i_start;
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vlc_tick_t i_stop;
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char *psz_id;
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char *psz_text;
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char *psz_attrs;
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} webvtt_cue_t;
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static inline void webvtt_cue_Init( webvtt_cue_t *c )
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{
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memset( c, 0, sizeof(*c) );
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}
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static inline void webvtt_cue_Clean( webvtt_cue_t *c )
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{
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free( c->psz_attrs );
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free( c->psz_text );
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free( c->psz_id );
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}
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webvtt_text_parser_t * webvtt_text_parser_New(
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void *priv,
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/* parser callback requesting a new cue to fill
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* set to NULL if no cues data required */
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webvtt_cue_t *(*pf_get_cue)( void * ),
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/* callback when cue is complete set to NULL for no callback */
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void (*pf_cue_done)( void *, webvtt_cue_t * ),
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/* parser callback returning headers
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* set to NULL for no callbacks */
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void (*pf_header)( void *, enum webvtt_header_line_e, bool, const char * )
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);
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void webvtt_text_parser_Delete( webvtt_text_parser_t *p );
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void webvtt_text_parser_Feed( webvtt_text_parser_t *p, char *psz_line );
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bool webvtt_scan_time( const char *psz, vlc_tick_t *p_time );
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#endif
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