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k9copy/libdvdnav/settings.c

122 lines
3.4 KiB

/*
* Copyright (C) 2000 Rich Wareham <richwareham@users.sourceforge.net>
*
* This file is part of libdvdnav, a DVD navigation library.
*
* 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: settings.c,v 1.7 2004/03/16 11:43:38 mroi Exp $
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "dvdnav_internal.h"
/* Characteristics/setting API calls */
dvdnav_status_t dvdnav_get_region_tqmask(dvdnav_t *this, int32_t *region) {
if(!this || !region) {
printerr("Passed a NULL this pointer.");
return DVDNAV_STATUS_ERR;
}
(*region) = this->vm->state.registers.SPRM[20];
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_set_region_tqmask(dvdnav_t *this, int32_t tqmask) {
if(!this) {
printerr("Passed a NULL this pointer.");
return DVDNAV_STATUS_ERR;
}
pthread_mutex_lock(&this->vm_lock);
this->vm->state.registers.SPRM[20] = (tqmask & 0xff);
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_set_readahead_flag(dvdnav_t *this, int32_t use_readahead) {
if(!this) {
printerr("Passed a NULL this pointer.");
return DVDNAV_STATUS_ERR;
}
this->use_read_ahead = use_readahead;
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_get_readahead_flag(dvdnav_t *this, int32_t *flag) {
if(!this || !flag) {
printerr("Passed a NULL this pointer.");
return DVDNAV_STATUS_ERR;
}
(*flag) = this->use_read_ahead;
return DVDNAV_STATUS_OK;
}
static dvdnav_status_t set_language_register(dvdnav_t *this, char *code, int reg) {
if(!this || !code) {
printerr("Passed a NULL this pointer.");
return DVDNAV_STATUS_ERR;
}
if(!code[0] || !code[1]) {
printerr("Passed illegal language code.");
return DVDNAV_STATUS_ERR;
}
pthread_mutex_lock(&this->vm_lock);
this->vm->state.registers.SPRM[reg] = (code[0] << 8) | code[1];
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_menu_language_select(dvdnav_t *this, char *code) {
return set_language_register(this, code, 0);
}
dvdnav_status_t dvdnav_audio_language_select(dvdnav_t *this, char *code) {
return set_language_register(this, code, 16);
}
dvdnav_status_t dvdnav_spu_language_select(dvdnav_t *this, char *code) {
return set_language_register(this, code, 18);
}
dvdnav_status_t dvdnav_set_PGC_positioning_flag(dvdnav_t *this, int32_t pgc) {
if(!this) {
printerr("Passed a NULL this pointer.");
return DVDNAV_STATUS_ERR;
}
this->pgc_based = pgc;
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_get_PGC_positioning_flag(dvdnav_t *this, int32_t *flag) {
if(!this || !flag) {
printerr("Passed a NULL this pointer.");
return DVDNAV_STATUS_ERR;
}
(*flag) = this->pgc_based;
return DVDNAV_STATUS_OK;
}