1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* libzvbi - Teletext decoder
*
* Copyright (C) 2000, 2001, 2002, 2003, 2004 Michael H. Schimek
*
* Based on code from AleVT 1.5.1
* Copyright (C) 1998, 1999 Edgar Toernig <froese@gmx.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: teletext_decoder.h,v 1.5 2005/09/01 01:40:52 mschimek Exp $ */
#ifndef __ZVBI3_TELETEXT_DECODER_H__
#define __ZVBI3_TELETEXT_DECODER_H__
#include <inttypes.h> /* uint8_t */
#include "macros.h"
#include "pdc.h" /* vbi3_program_id, vbi3_pid_channel */
#include "network.h" /* vbi3_network */
#include "cache.h" /* vbi3_cache */
#include "event.h" /* vbi3_event_cb */
#include "sampling_par.h" /* vbi3_videostd_set */
#include "search.h" /* vbi3_search */
VBI3_BEGIN_DECLS
/**
* @addtogroup Teletext
* @{
*/
/**
* @brief Teletext decoder.
*
* The contents of this structure are private.
* Call vbi3_teletext_decoder_new() to allocate a Teletext decoder.
*/
typedef struct _vbi3_teletext_decoder vbi3_teletext_decoder;
extern vbi3_search *
vbi3_teletext_decoder_search_utf8_new
(vbi3_teletext_decoder *td,
const vbi3_network * nk,
vbi3_pgno pgno,
vbi3_subno subno,
const char * pattern,
vbi3_bool casefold,
vbi3_bool regexp,
vbi3_search_progress_cb *progress,
void * user_data)
__attribute__ ((malloc,
_vbi3_nonnull (1, 5)));
extern vbi3_bool
vbi3_teletext_decoder_get_top_title
(vbi3_teletext_decoder * td,
vbi3_top_title * tt,
const vbi3_network * nk,
vbi3_pgno pgno,
vbi3_subno subno)
__attribute__ ((_vbi3_nonnull (1, 2)));
extern vbi3_top_title *
vbi3_teletext_decoder_get_top_titles
(vbi3_teletext_decoder * td,
const vbi3_network * nk,
unsigned int * n_elements)
__attribute__ ((malloc,
_vbi3_nonnull (1, 3)));
extern vbi3_bool
vbi3_teletext_decoder_get_ttx_page_stat
(vbi3_teletext_decoder * td,
vbi3_ttx_page_stat * ps,
const vbi3_network * nk,
vbi3_pgno pgno)
__attribute__ ((_vbi3_nonnull (1, 2)));
extern void
vbi3_teletext_decoder_get_program_id
(vbi3_teletext_decoder * td,
vbi3_program_id * pid,
vbi3_pid_channel channel)
__attribute__ ((_vbi3_nonnull (1, 2)));
extern vbi3_page *
vbi3_teletext_decoder_get_page_va_list
(vbi3_teletext_decoder * td,
const vbi3_network * nk,
vbi3_pgno pgno,
vbi3_subno subno,
va_list format_options)
__attribute__ ((malloc,
_vbi3_nonnull (1)));
extern vbi3_page *
vbi3_teletext_decoder_get_page (vbi3_teletext_decoder * td,
const vbi3_network * nk,
vbi3_pgno pgno,
vbi3_subno subno,
...)
__attribute__ ((malloc,
_vbi3_nonnull (1),
_vbi3_sentinel));
extern vbi3_bool
vbi3_teletext_decoder_get_network (vbi3_teletext_decoder *td,
vbi3_network * nk)
__attribute__ ((_vbi3_nonnull (1, 2)));
extern vbi3_cache *
vbi3_teletext_decoder_get_cache (vbi3_teletext_decoder * td)
__attribute__ ((_vbi3_nonnull (1)));
extern void
vbi3_teletext_decoder_remove_event_handler
(vbi3_teletext_decoder * td,
vbi3_event_cb * callback,
void * user_data)
__attribute__ ((_vbi3_nonnull (1)));
extern vbi3_bool
vbi3_teletext_decoder_add_event_handler
(vbi3_teletext_decoder * td,
vbi3_event_mask event_mask,
vbi3_event_cb * callback,
void * user_data)
__attribute__ ((_vbi3_nonnull (1)));
extern void
vbi3_teletext_decoder_reset (vbi3_teletext_decoder * td,
const vbi3_network * nk,
vbi3_videostd_set videostd_set)
__attribute__ ((_vbi3_nonnull (1)));
extern vbi3_bool
vbi3_teletext_decoder_feed (vbi3_teletext_decoder * td,
const uint8_t buffer[42],
double timestamp)
__attribute__ ((_vbi3_nonnull (1, 2)));
extern void
vbi3_teletext_decoder_delete (vbi3_teletext_decoder * td);
extern vbi3_teletext_decoder *
vbi3_teletext_decoder_new (vbi3_cache * ca,
const vbi3_network * nk,
vbi3_videostd_set videostd_set)
__attribute__ ((malloc));
/** @} */
VBI3_END_DECLS
#endif /* __ZVBI3_TELETEXT_DECODER_H__ */
|
