mirror of
https://github.com/mpv-player/mpv
synced 2024-12-26 09:02:38 +00:00
103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv 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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* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <assert.h>
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#include "talloc.h"
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#include "mpvcore/options.h"
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#include "demux/stheader.h"
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#include "sd.h"
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#include "sub.h"
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#include "spudec.h"
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struct sd_spu_priv {
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void *spudec;
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};
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static bool is_dvd_sub(const char *t)
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{
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return t && (strcmp(t, "dvd_subtitle") == 0 ||
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strcmp(t, "dvd_subtitle_mpg") == 0);
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}
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static bool supports_format(const char *format)
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{
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return is_dvd_sub(format);
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}
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static int init(struct sd *sd)
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{
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void *spudec = spudec_new_scaled(sd->sub_video_w, sd->sub_video_h,
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sd->extradata, sd->extradata_len);
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if (!spudec)
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return -1;
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struct sd_spu_priv *priv = talloc_zero(NULL, struct sd_spu_priv);
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priv->spudec = spudec;
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sd->priv = priv;
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return 0;
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}
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static void decode(struct sd *sd, struct demux_packet *packet)
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{
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struct sd_spu_priv *priv = sd->priv;
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if (packet->pts < 0 || packet->len == 0)
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return;
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spudec_assemble(priv->spudec, packet->buffer, packet->len,
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packet->pts * 90000);
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}
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static void get_bitmaps(struct sd *sd, struct mp_osd_res d, double pts,
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struct sub_bitmaps *res)
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{
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struct MPOpts *opts = sd->opts;
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struct sd_spu_priv *priv = sd->priv;
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spudec_set_forced_subs_only(priv->spudec, opts->forced_subs_only);
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spudec_heartbeat(priv->spudec, pts * 90000);
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if (spudec_visible(priv->spudec))
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spudec_get_indexed(priv->spudec, &d, res);
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}
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static void reset(struct sd *sd)
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{
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struct sd_spu_priv *priv = sd->priv;
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spudec_reset(priv->spudec);
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}
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static void uninit(struct sd *sd)
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{
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struct sd_spu_priv *priv = sd->priv;
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spudec_free(priv->spudec);
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talloc_free(priv);
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}
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const struct sd_functions sd_spu = {
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.name = "spu",
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.supports_format = supports_format,
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.init = init,
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.decode = decode,
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.get_bitmaps = get_bitmaps,
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.reset = reset,
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.uninit = uninit,
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};
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