2013-10-29 21:38:29 +00:00
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/*
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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 <stddef.h>
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#include <stdbool.h>
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#include <inttypes.h>
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#include <math.h>
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#include <assert.h>
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#include "config.h"
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#include "talloc.h"
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#include "mpvcore/mp_msg.h"
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#include "mpvcore/options.h"
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#include "mpvcore/mp_common.h"
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#include "stream/stream.h"
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#include "sub/dec_sub.h"
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#include "demux/demux.h"
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#include "video/mp_image.h"
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2013-11-23 20:36:20 +00:00
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#include "video/decode/dec_video.h"
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2013-10-29 21:38:29 +00:00
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#include "mp_core.h"
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void uninit_subs(struct demuxer *demuxer)
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{
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for (int i = 0; i < demuxer->num_streams; i++) {
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struct sh_stream *sh = demuxer->streams[i];
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if (sh->sub) {
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sub_destroy(sh->sub->dec_sub);
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sh->sub->dec_sub = NULL;
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}
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}
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}
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// When reading subtitles from a demuxer, and we read video or audio from the
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// demuxer, we should not explicitly read subtitle packets. (With external
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// subs, we have to.)
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static bool is_interleaved(struct MPContext *mpctx, struct track *track)
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{
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if (track->is_external || !track->demuxer)
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return false;
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struct demuxer *demuxer = track->demuxer;
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for (int type = 0; type < STREAM_TYPE_COUNT; type++) {
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struct track *other = mpctx->current_track[type];
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if (other && other != track && other->demuxer && other->demuxer == demuxer)
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return true;
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}
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return false;
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}
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void reset_subtitles(struct MPContext *mpctx)
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{
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2013-11-23 20:37:15 +00:00
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if (mpctx->d_sub)
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sub_reset(mpctx->d_sub);
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2013-10-29 21:38:29 +00:00
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set_osd_subtitle(mpctx, NULL);
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osd_changed(mpctx->osd, OSDTYPE_SUB);
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}
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void update_subtitles(struct MPContext *mpctx)
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{
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struct MPOpts *opts = mpctx->opts;
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if (!(mpctx->initialized_flags & INITIALIZED_SUB))
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return;
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struct track *track = mpctx->current_track[STREAM_SUB];
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2013-11-23 20:37:15 +00:00
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struct dec_sub *dec_sub = mpctx->d_sub;
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assert(track && dec_sub);
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2013-10-29 21:38:29 +00:00
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2013-11-23 20:39:07 +00:00
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if (mpctx->d_video) {
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struct mp_image_params params = mpctx->d_video->vf_input;
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if (params.imgfmt)
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sub_control(dec_sub, SD_CTRL_SET_VIDEO_PARAMS, ¶ms);
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2013-10-29 21:38:29 +00:00
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}
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mpctx->osd->video_offset = track->under_timeline ? mpctx->video_offset : 0;
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double refpts_s = mpctx->playback_pts - mpctx->osd->video_offset;
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double curpts_s = refpts_s + opts->sub_delay;
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2013-11-23 20:37:15 +00:00
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if (!track->preloaded && track->stream) {
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struct sh_stream *sh_stream = track->stream;
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2013-10-29 21:38:29 +00:00
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bool interleaved = is_interleaved(mpctx, track);
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2013-11-23 20:37:15 +00:00
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assert(sh_stream->sub->dec_sub == dec_sub);
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2013-10-29 21:38:29 +00:00
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while (1) {
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2013-11-23 20:37:15 +00:00
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if (interleaved && !demux_has_packet(sh_stream))
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2013-10-29 21:38:29 +00:00
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break;
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2013-11-23 20:37:15 +00:00
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double subpts_s = demux_get_next_pts(sh_stream);
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if (!demux_has_packet(sh_stream))
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2013-10-29 21:38:29 +00:00
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break;
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if (subpts_s > curpts_s) {
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mp_dbg(MSGT_CPLAYER, MSGL_DBG2,
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"Sub early: c_pts=%5.3f s_pts=%5.3f\n",
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curpts_s, subpts_s);
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// Libass handled subs can be fed to it in advance
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if (!sub_accept_packets_in_advance(dec_sub))
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break;
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// Try to avoid demuxing whole file at once
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if (subpts_s > curpts_s + 1 && !interleaved)
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break;
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}
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2013-11-23 20:37:15 +00:00
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struct demux_packet *pkt = demux_read_packet(sh_stream);
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2013-10-29 21:38:29 +00:00
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mp_dbg(MSGT_CPLAYER, MSGL_V, "Sub: c_pts=%5.3f s_pts=%5.3f "
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"duration=%5.3f len=%d\n", curpts_s, pkt->pts, pkt->duration,
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pkt->len);
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sub_decode(dec_sub, pkt);
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talloc_free(pkt);
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}
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}
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if (!mpctx->osd->render_bitmap_subs || !mpctx->video_out)
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set_osd_subtitle(mpctx, sub_get_text(dec_sub, curpts_s));
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}
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static void set_dvdsub_fake_extradata(struct dec_sub *dec_sub, struct stream *st,
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int width, int height)
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{
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2013-07-16 11:28:28 +00:00
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#if HAVE_DVDREAD
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2013-10-29 21:38:29 +00:00
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if (!st)
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return;
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struct stream_dvd_info_req info;
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if (stream_control(st, STREAM_CTRL_GET_DVD_INFO, &info) < 0)
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return;
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struct mp_csp_params csp = MP_CSP_PARAMS_DEFAULTS;
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csp.int_bits_in = 8;
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csp.int_bits_out = 8;
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float cmatrix[3][4];
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mp_get_yuv2rgb_coeffs(&csp, cmatrix);
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if (width == 0 || height == 0) {
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width = 720;
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height = 480;
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}
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char *s = NULL;
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s = talloc_asprintf_append(s, "size: %dx%d\n", width, height);
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s = talloc_asprintf_append(s, "palette: ");
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for (int i = 0; i < 16; i++) {
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int color = info.palette[i];
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int c[3] = {(color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff};
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mp_map_int_color(cmatrix, 8, c);
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color = (c[2] << 16) | (c[1] << 8) | c[0];
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if (i != 0)
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talloc_asprintf_append(s, ", ");
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s = talloc_asprintf_append(s, "%06x", color);
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}
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s = talloc_asprintf_append(s, "\n");
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sub_set_extradata(dec_sub, s, strlen(s));
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talloc_free(s);
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#endif
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}
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void reinit_subs(struct MPContext *mpctx)
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{
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struct MPOpts *opts = mpctx->opts;
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struct track *track = mpctx->current_track[STREAM_SUB];
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assert(!(mpctx->initialized_flags & INITIALIZED_SUB));
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init_demux_stream(mpctx, STREAM_SUB);
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2013-11-23 20:37:15 +00:00
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struct sh_stream *sh = mpctx->sh[STREAM_SUB];
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// No track selected, or lazily added DVD track (will actually be created
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// on first sub packet)
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if (!sh)
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2013-10-29 21:38:29 +00:00
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return;
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2013-11-23 20:37:15 +00:00
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if (!sh->sub->dec_sub) {
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assert(!mpctx->d_sub);
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sh->sub->dec_sub = sub_create(opts);
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}
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2013-10-29 21:38:29 +00:00
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2013-11-23 20:37:15 +00:00
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assert(!mpctx->d_sub || sh->sub->dec_sub == mpctx->d_sub);
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// The decoder is kept in the stream header in order to make ordered
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// chapters work well.
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mpctx->d_sub = sh->sub->dec_sub;
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2013-10-29 21:38:29 +00:00
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mpctx->initialized_flags |= INITIALIZED_SUB;
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2013-11-23 20:37:15 +00:00
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struct dec_sub *dec_sub = mpctx->d_sub;
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2013-10-29 21:38:29 +00:00
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assert(dec_sub);
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if (!sub_is_initialized(dec_sub)) {
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2013-11-23 20:36:20 +00:00
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struct sh_video *sh_video =
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mpctx->d_video ? mpctx->d_video->header->video : NULL;
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int w = sh_video ? sh_video->disp_w : 0;
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int h = sh_video ? sh_video->disp_h : 0;
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float fps = sh_video ? sh_video->fps : 25;
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2013-10-29 21:38:29 +00:00
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set_dvdsub_fake_extradata(dec_sub, track->demuxer->stream, w, h);
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sub_set_video_res(dec_sub, w, h);
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sub_set_video_fps(dec_sub, fps);
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sub_set_ass_renderer(dec_sub, mpctx->osd->ass_library,
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mpctx->osd->ass_renderer);
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2013-11-23 20:37:15 +00:00
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sub_init_from_sh(dec_sub, sh);
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2013-10-29 21:38:29 +00:00
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// Don't do this if the file has video/audio streams. Don't do it even
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// if it has only sub streams, because reading packets will change the
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// demuxer position.
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if (!track->preloaded && track->is_external) {
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demux_seek(track->demuxer, 0, SEEK_ABSOLUTE);
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2013-11-23 20:37:15 +00:00
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track->preloaded = sub_read_all_packets(dec_sub, sh);
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2013-10-29 21:38:29 +00:00
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}
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}
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mpctx->osd->dec_sub = dec_sub;
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// Decides whether to use OSD path or normal subtitle rendering path.
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mpctx->osd->render_bitmap_subs =
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opts->ass_enabled || !sub_has_get_text(dec_sub);
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reset_subtitles(mpctx);
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}
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