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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 <ass/ass.h>
#include <assert.h>
#include "talloc.h"
#include "mpcommon.h"
#include "libmpdemux/stheader.h"
#include "libvo/sub.h"
#include "ass_mp.h"
#include "sd.h"
struct sd_ass_priv {
struct ass_track *ass_track;
};
static void init(struct sh_sub *sh, struct osd_state *osd)
{
struct sd_ass_priv *ctx;
if (sh->initialized) {
ctx = sh->context;
} else {
ctx = talloc_zero(NULL, struct sd_ass_priv);
sh->context = ctx;
if (sh->type == 'a') {
ctx->ass_track = ass_new_track(ass_library);
if (sh->extradata)
ass_process_codec_private(ctx->ass_track, sh->extradata,
sh->extradata_len);
} else
ctx->ass_track = ass_default_track(ass_library);
}
assert(osd->ass_track == NULL);
osd->ass_track = ctx->ass_track;
}
static void decode(struct sh_sub *sh, struct osd_state *osd, void *data,
int data_len, double pts, double duration)
{
struct sd_ass_priv *ctx = sh->context;
if (sh->type == 'a') { // ssa/ass subs
ass_process_chunk(ctx->ass_track, data, data_len,
(long long)(pts*1000 + 0.5),
(long long)(duration*1000 + 0.5));
} else { // plaintext subs
if (pts != MP_NOPTS_VALUE) {
subtitle tmp_subs = {0};
if (duration <= 0)
duration = 3;
sub_add_text(&tmp_subs, data, data_len, pts + duration);
tmp_subs.start = pts * 100;
tmp_subs.end = (pts + duration) * 100;
ass_process_subtitle(ctx->ass_track, &tmp_subs);
sub_clear_text(&tmp_subs, MP_NOPTS_VALUE);
}
}
}
static void switch_off(struct sh_sub *sh, struct osd_state *osd)
{
osd->ass_track = NULL;
}
static void uninit(struct sh_sub *sh)
{
struct sd_ass_priv *ctx = sh->context;
ass_free_track(ctx->ass_track);
talloc_free(ctx);
}
const struct sd_functions sd_ass = {
.init = init,
.decode = decode,
.switch_off = switch_off,
.uninit = uninit,
};
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