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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
};
struct dec_sub {
struct MPOpts *opts;
struct sd init_sd;
struct sd *sd;
};
struct dec_sub *sub_create(struct MPOpts *opts)
{
struct dec_sub *sub = talloc_zero(NULL, struct dec_sub);
sub->opts = opts;
return sub;
}
void sub_destroy(struct dec_sub *sub)
{
if (!sub)
return;
if (sub->sd && sub->sd->driver->uninit)
sub->sd->driver->uninit(sub->sd);
talloc_free(sub->sd);
talloc_free(sub);
}
bool sub_is_initialized(struct dec_sub *sub)
{
return !!sub->sd;
}
struct sd *sub_get_sd(struct dec_sub *sub)
{
return sub->sd;
}
void sub_set_video_res(struct dec_sub *sub, int w, int h)
{
sub->init_sd.sub_video_w = w;
sub->init_sd.sub_video_h = h;
}
void sub_set_extradata(struct dec_sub *sub, void *data, int data_len)
{
sub->init_sd.extradata = data_len ? talloc_memdup(sub, data, data_len) : NULL;
sub->init_sd.extradata_len = data_len;
}
void sub_set_ass_renderer(struct dec_sub *sub, struct ass_library *ass_library,
struct ass_renderer *ass_renderer)
{
sub->init_sd.ass_library = ass_library;
sub->init_sd.ass_renderer = ass_renderer;
}
static int sub_init_decoder(struct dec_sub *sub, struct sd *sd)
{
sd->driver = NULL;
for (int n = 0; sd_list[n]; n++) {
if (sd_list[n]->supports_format(sd->codec)) {
sd->driver = sd_list[n];
break;
}
}
if (!sd->driver)
return -1;
if (sd->driver->init(sd) < 0)
return -1;
return 0;
}
void sub_init_from_sh(struct dec_sub *sub, struct sh_sub *sh)
{
assert(!sub->sd);
if (sh->extradata && !sub->init_sd.extradata)
sub_set_extradata(sub, sh->extradata, sh->extradata_len);
struct sd *sd = talloc(NULL, struct sd);
*sd = sub->init_sd;
sd->opts = sub->opts;
sd->codec = sh->gsh->codec;
sd->ass_track = sh->track;
if (sub_init_decoder(sub, sd) < 0) {
talloc_free(sd);
sd = NULL;
}
sub->sd = sd;
}
bool sub_accept_packets_in_advance(struct dec_sub *sub)
{
return sub->sd && sub->sd->driver->accept_packets_in_advance;
}
void sub_decode(struct dec_sub *sub, struct demux_packet *packet)
{
if (sub->sd)
sub->sd->driver->decode(sub->sd, packet);
}
void sub_get_bitmaps(struct dec_sub *sub, struct mp_osd_res dim, double pts,
struct sub_bitmaps *res)
{
struct MPOpts *opts = sub->opts;
*res = (struct sub_bitmaps) {0};
if (sub->sd && opts->sub_visibility) {
if (sub->sd->driver->get_bitmaps)
sub->sd->driver->get_bitmaps(sub->sd, dim, pts, res);
}
}
bool sub_has_get_text(struct dec_sub *sub)
{
return sub->sd && sub->sd->driver->get_text;
}
char *sub_get_text(struct dec_sub *sub, double pts)
{
struct MPOpts *opts = sub->opts;
char *text = NULL;
if (sub->sd && opts->sub_visibility) {
if (sub->sd->driver->get_text)
text = sub->sd->driver->get_text(sub->sd, pts);
}
return text;
}
void sub_reset(struct dec_sub *sub)
{
if (sub->sd && sub->sd->driver->reset)
sub->sd->driver->reset(sub->sd);
}
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