1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001-2003 VideoLAN
5 * $Id: sub.h,v 1.11 2003/11/13 13:31:12 fenrir Exp $
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 #define SUB_TYPE_MICRODVD 0x00
25 #define SUB_TYPE_SUBRIP 0x01
26 #define SUB_TYPE_SSA1 0x02
27 #define SUB_TYPE_SSA2_4 0x03
28 #define SUB_TYPE_VPLAYER 0x04
29 #define SUB_TYPE_SAMI 0x05
30 #define SUB_TYPE_VOBSUB 0x100
31 #define SUB_TYPE_UNKNOWN 0xffff
33 typedef struct subtitle_s
39 int i_vobsub_location;
53 int i_previously_selected; /* to make pf_seek */
54 es_descriptor_t *p_es;
59 typedef struct subtitle_demux_s
65 int (*pf_open) ( struct subtitle_demux_s *p_sub,
66 input_thread_t*p_input,
68 mtime_t i_microsecperframe,
70 int (*pf_demux)( struct subtitle_demux_s *p_sub, mtime_t i_maxdate );
71 int (*pf_seek) ( struct subtitle_demux_s *p_sub, mtime_t i_date );
72 void (*pf_close)( struct subtitle_demux_s *p_sub );
75 input_thread_t *p_input;
83 int i_previously_selected; /* to make pf_seek */
85 /*unsigned int i_tracks;
86 subtitle_track_t *p_tracks
91 /*****************************************************************************
92 * subtitle_New: Start a new subtitle demux instance (but subtitle ES isn't
93 * selected by default.
94 *****************************************************************************
95 * Return: NULL if failed, else a pointer on a new subtitle_demux_t.
97 * XXX: - if psz_name is NULL then --sub-file is read
98 * - i_microsecperframe is used only for microdvd file. (overriden
100 * - it's at this point that --sub-delay is applied
102 *****************************************************************************/
103 static inline subtitle_demux_t *subtitle_New( input_thread_t *p_input,
105 mtime_t i_microsecperframe,
108 subtitle_demux_t *p_sub;
110 p_sub = vlc_object_create( p_input, sizeof( subtitle_demux_t ) );
111 p_sub->psz_object_name = "subtitle demux";
112 vlc_object_attach( p_sub, p_input );
113 p_sub->p_module = module_Need( p_sub, "subtitle demux", "" );
115 if( p_sub->p_module &&
116 p_sub->pf_open( p_sub,
122 msg_Info( p_input, "subtitle started" );
127 msg_Warn( p_input, "failed to start subtitle demux" );
128 vlc_object_detach( p_sub );
129 if( p_sub->p_module )
131 module_Unneed( p_sub, p_sub->p_module );
133 vlc_object_destroy( p_sub );
140 /*****************************************************************************
141 * subtitle_Demux: send subtitle to decoder from last date to i_max
142 *****************************************************************************/
143 static inline int subtitle_Demux( subtitle_demux_t *p_sub, mtime_t i_max )
145 return( p_sub->pf_demux( p_sub, i_max ) );
148 /*****************************************************************************
149 * subtitle_Seek: Seek to i_date
150 *****************************************************************************/
151 static inline int subtitle_Seek( subtitle_demux_t *p_sub, mtime_t i_date )
153 return( p_sub->pf_seek( p_sub, i_date ) );
156 /*****************************************************************************
157 * subtitle_Close: Stop ES decoder and free all memory included p_sub.
158 *****************************************************************************/
159 static inline void subtitle_Close( subtitle_demux_t *p_sub )
161 msg_Info( p_sub, "subtitle stopped" );
164 vlc_object_detach( p_sub );
165 if( p_sub->p_module )
167 module_Unneed( p_sub, p_sub->p_module );
169 vlc_object_destroy( p_sub );