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/*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
* $Id$
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <dvdnav.h>
#include "dvdnav_internal.h"
#include "vm.h"
/* Navigation API calls */
/* Common things we do everytime we do a jump */
void dvdnav_do_post_jump(dvdnav_t *self) {
dvd_state_t *state = &(self->vm->state);
cell_playback_t *cell = &(state->pgc->cell_playback[state->cellN - 1]);
self->jmp_blockN = 0; /* FIXME: Should this be different? */
self->jmp_vobu_start = cell->first_sector;
self->jumping = 1;
self->still_frame = -1;
}
dvdnav_status_t dvdnav_still_skip(dvdnav_t *self) {
if(!self)
return S_ERR;
self->still_frame = -1;
return S_OK;
}
dvdnav_status_t dvdnav_get_number_of_titles(dvdnav_t *self, int *titles) {
if(!self)
return S_ERR;
if(!titles) {
printerr("Passed a NULL pointer");
return S_ERR;
}
(*titles) = vm_get_vmgi(self->vm)->tt_srpt->nr_of_srpts;
return S_OK;
}
dvdnav_status_t dvdnav_title_play(dvdnav_t *self, int title) {
int num_titles;
if(!self) {
return S_ERR;
}
/* Check number of titles */
dvdnav_get_number_of_titles(self, &num_titles);
if((title > num_titles) || (title <= 0)) {
printerrf("Invalid title passed (%i, maximum %i)", title,
num_titles);
return S_ERR;
}
vm_start_title(self->vm, title);
/* self->expecting_nav_packet = 1; */
dvdnav_do_post_jump(self);
return S_OK;
}
dvdnav_status_t dvdnav_part_play(dvdnav_t *self, int title, int part) {
int num_titles, num_progs;
if(!self) {
return S_ERR;
}
/* Check number of titles */
dvdnav_get_number_of_titles(self, &num_titles);
if((title > num_titles) || (title <= 0)) {
printerrf("Invalid title passed (%i, maximum %i)", title,
num_titles);
return S_ERR;
}
vm_start_title(self->vm, title);
/* Check number of parts */
num_progs = self->vm->state.pgc->nr_of_programs;
if((part > num_progs) || (part <= 0)) {
printerrf("Invalid program passed (%i, maximum %i)", part,
num_progs);
return S_ERR;
}
vm_jump_prog(self->vm, part);
/* self->expecting_nav_packet = 1; */
dvdnav_do_post_jump(self);
return S_OK;
}
dvdnav_status_t dvdnav_part_play_auto_stop(dvdnav_t *self, int title,
int part, int parts_to_play) {
/* Perform jump as per usual */
return dvdnav_part_play(self, title, part);
/* FIXME: Impement auto-stop */
/* return S_OK;*/
}
dvdnav_status_t dvdnav_time_play(dvdnav_t *self, int title,
unsigned long int time) {
/* FIXME: Implement */
return S_OK;
}
dvdnav_status_t dvdnav_stop(dvdnav_t *self) {
if(!self)
return S_ERR;
/* Set the STOP flag */
self->stop = 1;
return S_OK;
}
dvdnav_status_t dvdnav_go_up(dvdnav_t *self) {
if(!self)
return S_ERR;
/* A nice easy function... delegate to the VM */
vm_go_up(self->vm);
dvdnav_do_post_jump(self);
return S_OK;
}