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/*
* Copyright (C) 2000 Rich Wareham <[email protected]>
*
* 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: navigation.c,v 1.11 2004/06/20 16:59:13 mroi Exp $
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "dvdnav_internal.h"
/* Navigation API calls */
dvdnav_status_t dvdnav_still_skip(dvdnav_t *this) {
if(!this) {
printerr("Passed a NULL pointer.");
return DVDNAV_STATUS_ERR;
}
this->position_current.still = 0;
this->skip_still = 1;
this->sync_wait = 0;
this->sync_wait_skip = 1;
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_wait_skip(dvdnav_t *this) {
if(!this) {
printerr("Passed a NULL pointer.");
return DVDNAV_STATUS_ERR;
}
this->sync_wait = 0;
this->sync_wait_skip = 1;
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_get_number_of_titles(dvdnav_t *this, int32_t *titles) {
if(!this || !titles) {
printerr("Passed a NULL pointer.");
return DVDNAV_STATUS_ERR;
}
if (!this->vm->vmgi) {
printerr("Bad VM state.");
return DVDNAV_STATUS_ERR;
}
(*titles) = vm_get_vmgi(this->vm)->tt_srpt->nr_of_srpts;
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_get_number_of_parts(dvdnav_t *this, int32_t title, int32_t *parts) {
if(!this || !parts) {
printerr("Passed a NULL pointer.");
return DVDNAV_STATUS_ERR;
}
if (!this->vm->vmgi) {
printerr("Bad VM state.");
return DVDNAV_STATUS_ERR;
}
if ((title < 1) || (title > vm_get_vmgi(this->vm)->tt_srpt->nr_of_srpts) ) {
printerr("Passed a title number out of range.");
return DVDNAV_STATUS_ERR;
}
(*parts) = vm_get_vmgi(this->vm)->tt_srpt->title[title-1].nr_of_ptts;
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_current_title_info(dvdnav_t *this, int32_t *title, int32_t *part) {
int32_t retval;
if(!this || !title || !part) {
printerr("Passed a NULL pointer.");
return DVDNAV_STATUS_ERR;
}
pthread_mutex_lock(&this->vm_lock);
if (!this->vm->vtsi || !this->vm->vmgi) {
printerr("Bad VM state.");
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_ERR;
}
if (!this->started) {
printerr("Virtual DVD machine not started.");
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_ERR;
}
if (!this->vm->state.pgc) {
printerr("No current PGC.");
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_ERR;
}
if ( (this->vm->state.domain == VTSM_DOMAIN)
|| (this->vm->state.domain == VMGM_DOMAIN) ) {
/* Get current Menu ID: into *part. */
vm_get_current_menu(this->vm, part);
if (*part > -1) {
*title = 0;
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_OK;
}
}
if (this->vm->state.domain == VTS_DOMAIN) {
retval = vm_get_current_title_part(this->vm, title, part);
pthread_mutex_unlock(&this->vm_lock);
return retval ? DVDNAV_STATUS_OK : DVDNAV_STATUS_ERR;
}
printerr("Not in a title or menu.");
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_ERR;
}
dvdnav_status_t dvdnav_title_play(dvdnav_t *this, int32_t title) {
if(!this) {
printerr("Passed a NULL pointer.");
return DVDNAV_STATUS_ERR;
}
return dvdnav_part_play(this, title, 1);
}
dvdnav_status_t dvdnav_part_play(dvdnav_t *this, int32_t title, int32_t part) {
int32_t retval;
if(!this) {
printerr("Passed a NULL pointer.");
return DVDNAV_STATUS_ERR;
}
pthread_mutex_lock(&this->vm_lock);
if (!this->vm->vmgi) {
printerr("Bad VM state.");
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_ERR;
}
if (!this->started) {
/* don't report an error but be nice */
vm_start(this->vm);
this->started = 1;
}
if (!this->vm->state.pgc) {
printerr("No current PGC.");
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_ERR;
}
if((title < 1) || (title > this->vm->vmgi->tt_srpt->nr_of_srpts)) {
printerr("Title out of range.");
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_ERR;
}
if((part < 1) || (part > this->vm->vmgi->tt_srpt->title[title-1].nr_of_ptts)) {
printerr("Part out of range.");
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_ERR;
}
retval = vm_jump_title_part(this->vm, title, part);
if (retval)
this->vm->hop_channel++;
pthread_mutex_unlock(&this->vm_lock);
return retval ? DVDNAV_STATUS_OK : DVDNAV_STATUS_ERR;
}
dvdnav_status_t dvdnav_part_play_auto_stop(dvdnav_t *this, int32_t title,
int32_t part, int32_t parts_to_play) {
/* FIXME: Implement auto-stop */
if (dvdnav_part_play(this, title, part) == DVDNAV_STATUS_OK)
printerr("Not implemented yet.");
return DVDNAV_STATUS_ERR;
}
dvdnav_status_t dvdnav_time_play(dvdnav_t *this, int32_t title,
uint64_t time) {
if(!this) {
printerr("Passed a NULL pointer.");
return DVDNAV_STATUS_ERR;
}
/* FIXME: Implement */
printerr("Not implemented yet.");
return DVDNAV_STATUS_ERR;
}
dvdnav_status_t dvdnav_stop(dvdnav_t *this) {
if(!this) {
printerr("Passed a NULL pointer.");
return DVDNAV_STATUS_ERR;
}
pthread_mutex_lock(&this->vm_lock);
this->vm->stopped = 1;
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_OK;
}
dvdnav_status_t dvdnav_go_up(dvdnav_t *this) {
if(!this) {
printerr("Passed a NULL pointer.");
return DVDNAV_STATUS_ERR;
}
/* A nice easy function... delegate to the VM */
pthread_mutex_lock(&this->vm_lock);
vm_jump_up(this->vm);
pthread_mutex_unlock(&this->vm_lock);
return DVDNAV_STATUS_OK;
}
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