/*
 * This file is part of MPlayer.
 *
 * MPlayer 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.
 *
 * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

#include "config.h"
#include "libmpdemux/stheader.h"
#include "sd.h"
#include "dec_sub.h"
#include "options.h"

extern const struct sd_functions sd_ass;

void sub_init(struct sh_sub *sh, struct osd_state *osd)
{
    struct MPOpts *opts = sh->opts;

#ifdef CONFIG_ASS
    if (opts->ass_enabled && is_text_sub(sh->type))
        sh->sd_driver = &sd_ass;
#endif
    if (sh->sd_driver) {
        sh->sd_driver->init(sh, osd);
        sh->initialized = true;
        sh->active = true;
    }
}

void sub_decode(struct sh_sub *sh, struct osd_state *osd, void *data,
                int data_len, double pts, double duration)
{
    if (sh->active && sh->sd_driver->decode)
        sh->sd_driver->decode(sh, osd, data, data_len, pts, duration);
}

void sub_reset(struct sh_sub *sh, struct osd_state *osd)
{
    if (sh->active && sh->sd_driver->reset)
        sh->sd_driver->reset(sh, osd);
}

void sub_switchoff(struct sh_sub *sh, struct osd_state *osd)
{
    if (sh->active && sh->sd_driver->switch_off)
        sh->sd_driver->switch_off(sh, osd);
    sh->active = false;
}

void sub_uninit(struct sh_sub *sh)
{
    assert (!sh->active);
    if (sh->initialized && sh->sd_driver->uninit)
        sh->sd_driver->uninit(sh);
    sh->initialized = false;
}