2 * Copyright (C) 2000 Rich Wareham <richwareham@users.sourceforge.net>
4 * This file is part of libdvdnav, a DVD navigation library.
6 * libdvdnav is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * libdvdnav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with libdvdnav; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
29 #include "dvdnav/dvdnav.h"
30 #include <dvdread/nav_types.h>
31 #include <dvdread/ifo_types.h>
33 #include "vm/decoder.h"
35 #include "dvdnav_internal.h"
37 /* Characteristics/setting API calls */
39 dvdnav_status_t
dvdnav_get_region_mask(dvdnav_t
*this, int32_t *region
) {
40 (*region
) = this->vm
->state
.registers
.SPRM
[20];
41 return DVDNAV_STATUS_OK
;
44 dvdnav_status_t
dvdnav_set_region_mask(dvdnav_t
*this, int32_t mask
) {
45 pthread_mutex_lock(&this->vm_lock
);
46 this->vm
->state
.registers
.SPRM
[20] = (mask
& 0xff);
47 pthread_mutex_unlock(&this->vm_lock
);
48 return DVDNAV_STATUS_OK
;
51 dvdnav_status_t
dvdnav_set_readahead_flag(dvdnav_t
*this, int32_t use_readahead
) {
52 this->use_read_ahead
= use_readahead
;
53 return DVDNAV_STATUS_OK
;
56 dvdnav_status_t
dvdnav_get_readahead_flag(dvdnav_t
*this, int32_t *flag
) {
57 (*flag
) = this->use_read_ahead
;
58 return DVDNAV_STATUS_OK
;
61 static dvdnav_status_t
set_language_register(dvdnav_t
*this, char *code
, int reg
) {
62 if(!code
[0] || !code
[1]) {
63 printerr("Passed illegal language code.");
64 return DVDNAV_STATUS_ERR
;
67 pthread_mutex_lock(&this->vm_lock
);
68 this->vm
->state
.registers
.SPRM
[reg
] = (code
[0] << 8) | code
[1];
69 pthread_mutex_unlock(&this->vm_lock
);
70 return DVDNAV_STATUS_OK
;
73 dvdnav_status_t
dvdnav_menu_language_select(dvdnav_t
*this, char *code
) {
74 return set_language_register(this, code
, 0);
77 dvdnav_status_t
dvdnav_audio_language_select(dvdnav_t
*this, char *code
) {
78 return set_language_register(this, code
, 16);
81 dvdnav_status_t
dvdnav_spu_language_select(dvdnav_t
*this, char *code
) {
82 return set_language_register(this, code
, 18);
85 dvdnav_status_t
dvdnav_set_PGC_positioning_flag(dvdnav_t
*this, int32_t pgc
) {
86 this->pgc_based
= pgc
;
87 return DVDNAV_STATUS_OK
;
90 dvdnav_status_t
dvdnav_get_PGC_positioning_flag(dvdnav_t
*this, int32_t *flag
) {
91 (*flag
) = this->pgc_based
;
92 return DVDNAV_STATUS_OK
;