summaryrefslogtreecommitdiffstats
path: root/libdvdnav/vm.h
blob: 07baef348f1cbd2f86c4ad16b31e33995915024f (plain)
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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
/*
 * Copyright (C) 2000, 2001 H�kan Hjort
 * Copyright (C) 2001 Rich Wareham <[email protected]>
 * 
 * This file is part of libdvdnav, a DVD navigation library. It is modified
 * from a file originally part of the Ogle DVD player.
 * 
 * libdvdnav 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.
 * 
 * libdvdnav 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 *
 * $Id: vm.h,v 1.11 2004/10/05 19:07:10 hadess Exp $
 *
 */

#ifndef VM_H_INCLUDED
#define VM_H_INCLUDED

#include "remap.h"
#include "dvdnav_internal.h"

/* DOMAIN enum */

typedef enum {
  FP_DOMAIN   = 1,
  VTS_DOMAIN  = 2,
  VMGM_DOMAIN = 4,
  VTSM_DOMAIN = 8
} domain_t;  

/**
 * State: SPRM, GPRM, Domain, pgc, pgN, cellN, ?
 */
typedef struct {
  registers_t registers;
  
  domain_t  domain;
  int       vtsN;         /* 0 is vmgm? */
  pgc_t    *pgc;          /* either this or 'int pgcN' is enough? */
  int       pgcN;         /* but provide pgcN for quick lookup */
  int       pgN;          /* is this needed? can allways fid pgN from cellN? */
  int       cellN;
  int32_t   cell_restart; /* get cell to restart */
  int       blockN;
  
  /* Resume info */
  int      rsm_vtsN;
  int      rsm_blockN;    /* of nav_packet */
  uint16_t rsm_regs[5];   /* system registers 4-8 */
  int      rsm_pgcN;
  int      rsm_cellN;
} dvd_state_t;

typedef struct vm_position_s {
  int16_t  button;        /* Button highlighted */
  int32_t  vts;           /* vts number to use */
  domain_t domain;        /* domain to use */
  int32_t  spu_channel;   /* spu channel to use */
  int32_t  angle_channel; /* angle channel to use */
  int32_t  audio_channel; /* audio channel to use */
  int32_t  hop_channel;   /* channel hopping. E.g menu button pressed */
#if 0
  /* currently unused */
  int32_t  title;         /* title number */
  int32_t  chapter;       /* chapter number */
#endif
  int32_t  cell;          /* cell number */
  int32_t  cell_restart;  /* get cell to restart */
  int32_t  cell_start;    /* sector number of start of current cell in use */
  int32_t  still;         /* is cell still */
  int32_t  block;         /* block number within cell in use */
} vm_position_t;

typedef struct {
  dvd_reader_t *dvd,*openedDvd;
  ifo_handle_t *vmgi;
  ifo_handle_t *vtsi;
  dvd_state_t   state;
  int32_t       hop_channel;
  char          dvd_name[50];
  remap_t      *map;
  int           stopped;
} vm_t;

/* magic number for seeking hops */
#define HOP_SEEK 0x1000


/*  Audio stream number */
#define AST_REG      registers.SPRM[1]
/*  Subpicture stream number */
#define SPST_REG     registers.SPRM[2]
/*  Angle number */
#define AGL_REG      registers.SPRM[3]
/*  Title Track Number */
#define TTN_REG      registers.SPRM[4]
/*  VTS Title Track Number */
#define VTS_TTN_REG  registers.SPRM[5]
/*  PGC Number for this Title Track */
#define TT_PGCN_REG  registers.SPRM[6]
/*  Current Part of Title (PTT) number for (One_Sequential_PGC_Title) */
#define PTTN_REG     registers.SPRM[7]
/*  Highlighted Button Number (btn nr 1 == value 1024) */
#define HL_BTNN_REG  registers.SPRM[8]
/*  Parental Level */
#define PTL_REG      registers.SPRM[13]

/* Initialisation & destruction */
vm_t *vm_new_vm(void);
void  vm_free_vm(vm_t *vm);

/* IFO access */
ifo_handle_t *vm_get_vmgi(vm_t *vm);
ifo_handle_t *vm_get_vtsi(vm_t *vm);

/* Reader Access */
dvd_reader_t *vm_get_dvd_reader(vm_t *vm);

/* Basic Handling */
int  vm_start(vm_t *vm);
void vm_stop(vm_t *vm);
int  vm_reset(vm_t *vm, const char *dvdroot);

/* copying and merging  - useful for try-running an operation */
vm_t *vm_new_copy(vm_t *vm);
void  vm_merge(vm_t *target, vm_t *source);
void  vm_free_copy(vm_t *vm);

/* regular playback */
void vm_position_get(vm_t *vm, vm_position_t *position);
void vm_get_next_cell(vm_t *vm);

/* Jumping - all these return 1, if a hop has been performed */
int vm_jump_pg(vm_t *vm, int pg);
int vm_jump_cell_block(vm_t *vm, int cell, int block);
int vm_jump_title_part(vm_t *vm, int title, int part);
int vm_jump_top_pg(vm_t *vm);
int vm_jump_next_pg(vm_t *vm);
int vm_jump_prev_pg(vm_t *vm);
int vm_jump_up(vm_t *vm);
int vm_jump_menu(vm_t *vm, DVDMenuID_t menuid);
int vm_jump_resume(vm_t *vm);
int vm_exec_cmd(vm_t *vm, vm_cmd_t *cmd);

/* getting information */
int vm_get_current_menu(vm_t *vm, int *menuid);
int vm_get_current_title_part(vm_t *vm, int *title_result, int *part_result);
int vm_get_audio_stream(vm_t *vm, int audioN);
int vm_get_subp_stream(vm_t *vm, int subpN, int mode);
int vm_get_audio_active_stream(vm_t *vm);
int vm_get_subp_active_stream(vm_t *vm, int mode);
void vm_get_angle_info(vm_t *vm, int *current, int *num_avail);
#if 0
/* currently unused */
void vm_get_audio_info(vm_t *vm, int *current, int *num_avail);
void vm_get_subp_info(vm_t *vm, int *current, int *num_avail);
void vm_get_video_res(vm_t *vm, int *width, int *height);
#endif
int  vm_get_video_aspect(vm_t *vm);
int  vm_get_video_scale_permission(vm_t *vm);
video_attr_t vm_get_video_attr(vm_t *vm);
audio_attr_t vm_get_audio_attr(vm_t *vm, int streamN);
subp_attr_t  vm_get_subp_attr(vm_t *vm, int streamN);

#ifdef TRACE
/* Debug */
void vm_position_print(vm_t *vm, vm_position_t *position);
#endif


#endif /* VM_HV_INCLUDED */