mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 08:12:17 +00:00
9e537d1f6e
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31694 b3059339-0415-0410-9bf9-f77b7e298cf2
115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/*
|
|
* 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 <libavcodec/avcodec.h>
|
|
|
|
#include "libmpdemux/stheader.h"
|
|
#include "libvo/sub.h"
|
|
#include "spudec.h"
|
|
#include "av_sub.h"
|
|
|
|
void reset_avsub(struct sh_sub *sh)
|
|
{
|
|
if (sh->context) {
|
|
avcodec_close(sh->context);
|
|
av_freep(&sh->context);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Decode a subtitle packet via libavcodec.
|
|
* \return < 0 on error, > 0 if further processing is needed
|
|
*/
|
|
int decode_avsub(struct sh_sub *sh, uint8_t **data, int *size, double *pts, double *endpts)
|
|
{
|
|
AVCodecContext *ctx = sh->context;
|
|
int new_type = 0;
|
|
int res;
|
|
int got_sub;
|
|
AVSubtitle sub;
|
|
AVPacket pkt;
|
|
av_init_packet(&pkt);
|
|
pkt.data = *data;
|
|
pkt.size = *size;
|
|
pkt.pts = *pts * 1000;
|
|
if (*pts != MP_NOPTS_VALUE && *endpts != MP_NOPTS_VALUE)
|
|
pkt.convergence_duration = (*endpts - *pts) * 1000;
|
|
if (!ctx) {
|
|
enum CodecID cid = CODEC_ID_NONE;
|
|
AVCodec *sub_codec;
|
|
avcodec_init();
|
|
avcodec_register_all();
|
|
ctx = avcodec_alloc_context();
|
|
switch (sh->type) {
|
|
case 'b':
|
|
cid = CODEC_ID_DVB_SUBTITLE; break;
|
|
case 'p':
|
|
cid = CODEC_ID_HDMV_PGS_SUBTITLE; break;
|
|
case 'x':
|
|
cid = CODEC_ID_XSUB; break;
|
|
}
|
|
sub_codec = avcodec_find_decoder(cid);
|
|
if (!ctx || !sub_codec || avcodec_open(ctx, sub_codec) < 0) {
|
|
mp_msg(MSGT_SUBREADER, MSGL_FATAL, "Could not open subtitle decoder\n");
|
|
av_freep(&ctx);
|
|
return -1;
|
|
}
|
|
sh->context = ctx;
|
|
}
|
|
res = avcodec_decode_subtitle2(ctx, &sub, &got_sub, &pkt);
|
|
if (res < 0)
|
|
return res;
|
|
if (*pts != MP_NOPTS_VALUE) {
|
|
if (sub.end_display_time > sub.start_display_time)
|
|
*endpts = *pts + sub.end_display_time / 1000.0;
|
|
*pts += sub.start_display_time / 1000.0;
|
|
}
|
|
if (got_sub && sub.num_rects > 0) {
|
|
switch (sub.rects[0]->type) {
|
|
case SUBTITLE_BITMAP:
|
|
if (!vo_spudec)
|
|
vo_spudec = spudec_new(NULL);
|
|
spudec_set_paletted(vo_spudec,
|
|
sub.rects[0]->pict.data[0],
|
|
sub.rects[0]->pict.linesize[0],
|
|
sub.rects[0]->pict.data[1],
|
|
sub.rects[0]->x,
|
|
sub.rects[0]->y,
|
|
sub.rects[0]->w,
|
|
sub.rects[0]->h,
|
|
*pts,
|
|
*endpts);
|
|
vo_osd_changed(OSDTYPE_SPU);
|
|
break;
|
|
case SUBTITLE_TEXT:
|
|
*data = strdup(sub.rects[0]->text);
|
|
new_type = 't';
|
|
break;
|
|
case SUBTITLE_ASS:
|
|
*data = strdup(sub.rects[0]->ass);
|
|
new_type = 'a';
|
|
break;
|
|
}
|
|
}
|
|
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(52, 82, 0)
|
|
if (got_sub)
|
|
avsubtitle_free(&sub);
|
|
#endif
|
|
return new_type;
|
|
}
|