mirror of https://github.com/mpv-player/mpv
108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdlib.h>
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#include <stdbool.h>
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#include <assert.h>
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#include "config.h"
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#include "libmpdemux/stheader.h"
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#include "sub/sd.h"
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#include "sub/sub.h"
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#include "sub/dec_sub.h"
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#include "options.h"
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extern const struct sd_functions sd_ass;
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extern const struct sd_functions sd_lavc;
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void sub_init(struct sh_sub *sh, struct osd_state *osd)
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{
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struct MPOpts *opts = sh->opts;
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assert(!osd->sh_sub);
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#ifdef CONFIG_ASS
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if (opts->ass_enabled && is_text_sub(sh->type))
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sh->sd_driver = &sd_ass;
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#endif
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if (strchr("bpx", sh->type))
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sh->sd_driver = &sd_lavc;
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if (sh->sd_driver) {
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if (sh->sd_driver->init(sh, osd) < 0)
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return;
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osd->sh_sub = sh;
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osd->bitmap_id = ++osd->bitmap_pos_id;
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sh->initialized = true;
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sh->active = true;
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}
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}
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void sub_decode(struct sh_sub *sh, struct osd_state *osd, void *data,
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int data_len, double pts, double duration)
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{
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if (sh->active && sh->sd_driver->decode)
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sh->sd_driver->decode(sh, osd, data, data_len, pts, duration);
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}
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void sub_get_bitmaps(struct osd_state *osd, struct sub_bitmaps *res)
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{
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struct MPOpts *opts = osd->opts;
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*res = (struct sub_bitmaps){ .type = SUBBITMAP_EMPTY,
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.bitmap_id = osd->bitmap_id,
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.bitmap_pos_id = osd->bitmap_pos_id };
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if (!opts->sub_visibility || !osd->sh_sub || !osd->sh_sub->active) {
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/* Change ID in case we just switched from visible subtitles
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* to current state. Hopefully, unnecessarily claiming that
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* things may have changed is harmless for empty contents.
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* Increase osd-> values ahead so that _next_ returned id
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* is also guaranteed to differ from this one.
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*/
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res->bitmap_id = ++res->bitmap_pos_id;
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osd->bitmap_id = osd->bitmap_pos_id += 2;
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return;
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}
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if (osd->sh_sub->sd_driver->get_bitmaps)
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osd->sh_sub->sd_driver->get_bitmaps(osd->sh_sub, osd, res);
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osd->bitmap_id = res->bitmap_id;
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osd->bitmap_pos_id = res->bitmap_pos_id;
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}
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void sub_reset(struct sh_sub *sh, struct osd_state *osd)
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{
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if (sh->active && sh->sd_driver->reset)
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sh->sd_driver->reset(sh, osd);
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}
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void sub_switchoff(struct sh_sub *sh, struct osd_state *osd)
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{
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if (sh->active && sh->sd_driver->switch_off) {
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assert(osd->sh_sub == sh);
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sh->sd_driver->switch_off(sh, osd);
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osd->sh_sub = NULL;
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}
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sh->active = false;
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}
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void sub_uninit(struct sh_sub *sh)
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{
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assert (!sh->active);
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if (sh->initialized && sh->sd_driver->uninit)
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sh->sd_driver->uninit(sh);
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sh->initialized = false;
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}
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