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/*
* 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 "demux/stheader.h"
#include "sub/sd.h"
#include "sub/sub.h"
#include "sub/dec_sub.h"
#include "core/options.h"
extern const struct sd_functions sd_ass;
extern const struct sd_functions sd_lavc;
extern const struct sd_functions sd_spu;
static const struct sd_functions *sd_list[] = {
#ifdef CONFIG_ASS
&sd_ass,
#endif
&sd_lavc,
&sd_spu,
NULL
};
bool is_text_sub(const char *t)
{
return t && (is_ass_sub(t) ||
strcmp(t, "text") == 0 ||
strcmp(t, "subrip") == 0 ||
strcmp(t, "mov_text") == 0);
}
bool is_ass_sub(const char *t)
{
return t && (strcmp(t, "ass") == 0 ||
strcmp(t, "ssa") == 0);
}
bool is_dvd_sub(const char *t)
{
return t && (strcmp(t, "dvd_subtitle") == 0 ||
strcmp(t, "dvd_subtitle_mpg") == 0);
}
void sub_init(struct sh_sub *sh, struct osd_state *osd)
{
sh->sd_driver = NULL;
for (int n = 0; sd_list[n]; n++) {
if (sd_list[n]->supports_format(sh->gsh->codec)) {
sh->sd_driver = sd_list[n];
break;
}
}
if (sh->sd_driver) {
if (sh->sd_driver->init(sh, osd) < 0)
return;
osd->sh_sub = sh;
osd->switch_sub_id++;
sh->initialized = true;
sh->active = true;
}
}
bool sub_accept_packets_in_advance(struct sh_sub *sh)
{
return sh->active && sh->sd_driver->accept_packets_in_advance;
}
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_get_bitmaps(struct osd_state *osd, struct mp_osd_res dim, double pts,
struct sub_bitmaps *res)
{
struct MPOpts *opts = osd->opts;
*res = (struct sub_bitmaps) {0};
if (!opts->sub_visibility || !osd->sh_sub || !osd->sh_sub->active) {
/* Change ID in case we just switched from visible subtitles
* to current state. Hopefully, unnecessarily claiming that
* things may have changed is harmless for empty contents.
* Increase osd-> values ahead so that _next_ returned id
* is also guaranteed to differ from this one.
*/
osd->switch_sub_id++;
} else {
if (osd->sh_sub->sd_driver->get_bitmaps)
osd->sh_sub->sd_driver->get_bitmaps(osd->sh_sub, osd, dim, pts, res);
}
res->bitmap_id += osd->switch_sub_id;
res->bitmap_pos_id += osd->switch_sub_id;
osd->switch_sub_id = 0;
}
char *sub_get_text(struct osd_state *osd, double pts)
{
struct MPOpts *opts = osd->opts;
char *text = NULL;
if (!opts->sub_visibility || !osd->sh_sub || !osd->sh_sub->active) {
// -
} else {
if (osd->sh_sub->sd_driver->get_text)
text = osd->sh_sub->sd_driver->get_text(osd->sh_sub, osd, pts);
}
return text;
}
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) {
assert(osd->sh_sub == sh);
sh->sd_driver->switch_off(sh, osd);
osd->sh_sub = NULL;
}
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;
}
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