mirror of
https://github.com/mpv-player/mpv
synced 2024-12-23 07:12:39 +00:00
176 lines
5.2 KiB
C
176 lines
5.2 KiB
C
/*
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* .SUB
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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 "config.h"
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#include <stdio.h>
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#include "libvo/video_out.h"
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#include "sub.h"
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#include "subreader.h"
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#include "mp_msg.h"
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#include "mpcommon.h"
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#include "mplayer.h"
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static int current_sub=0;
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//static subtitle* subtitles=NULL;
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static int nosub_range_start=-1;
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static int nosub_range_end=-1;
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static const sub_data *last_sub_data = NULL;
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void step_sub(sub_data *subd, float pts, int movement) {
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subtitle *subs;
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int key;
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if (subd == NULL) return;
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subs = subd->subtitles;
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key = (pts+sub_delay) * (subd->sub_uses_time ? 100 : sub_fps);
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/* Tell the OSD subsystem that the OSD contents will change soon */
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vo_osd_changed(OSDTYPE_SUBTITLE);
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/* If we are moving forward, don't count the next (current) subtitle
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* if we haven't displayed it yet. Same when moving other direction.
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*/
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if (movement > 0 && key < subs[current_sub].start)
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movement--;
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if (movement < 0 && key >= subs[current_sub].end)
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movement++;
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/* Never move beyond first or last subtitle. */
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if (current_sub+movement < 0)
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movement = 0-current_sub;
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if (current_sub+movement >= subd->sub_num)
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movement = subd->sub_num - current_sub - 1;
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current_sub += movement;
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sub_delay = subs[current_sub].start / (subd->sub_uses_time ? 100 : sub_fps) - pts;
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}
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void find_sub(struct MPContext *mpctx, sub_data* subd,int key){
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subtitle *subs;
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subtitle *new_sub = NULL;
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int i,j;
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if ( !subd || subd->sub_num == 0) return;
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subs = subd->subtitles;
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if (last_sub_data != subd) {
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// Sub data changed, reset nosub range.
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last_sub_data = subd;
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nosub_range_start = -1;
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nosub_range_end = -1;
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}
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if(vo_sub){
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if(key>=vo_sub->start && key<=vo_sub->end) return; // OK!
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} else {
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if(key>nosub_range_start && key<nosub_range_end) return; // OK!
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}
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// sub changed!
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/* Tell the OSD subsystem that the OSD contents will change soon */
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vo_osd_changed(OSDTYPE_SUBTITLE);
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if(key<=0){
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// no sub here
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goto update;
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}
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// printf("\r---- sub changed ----\n");
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// check next sub.
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if(current_sub>=0 && current_sub+1 < subd->sub_num){
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if(key>subs[current_sub].end && key<subs[current_sub+1].start){
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// no sub
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nosub_range_start=subs[current_sub].end;
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nosub_range_end=subs[current_sub+1].start;
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goto update;
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}
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// next sub?
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++current_sub;
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new_sub=&subs[current_sub];
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if(key>=new_sub->start && key<=new_sub->end) goto update; // OK!
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}
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// printf("\r---- sub log search... ----\n");
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// use logarithmic search:
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i=0;
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j = subd->sub_num - 1;
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// printf("Searching %d in %d..%d\n",key,subs[i].start,subs[j].end);
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while(j>=i){
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current_sub=(i+j+1)/2;
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new_sub=&subs[current_sub];
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if(key<new_sub->start) j=current_sub-1;
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else if(key>new_sub->end) i=current_sub+1;
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else goto update; // found!
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}
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// if(key>=new_sub->start && key<=new_sub->end) return; // OK!
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// check where are we...
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if(key<new_sub->start){
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if(current_sub<=0){
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// before the first sub
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nosub_range_start=key-1; // tricky
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nosub_range_end=new_sub->start;
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// printf("FIRST... key=%d end=%d \n",key,new_sub->start);
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new_sub=NULL;
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goto update;
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}
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--current_sub;
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if(key>subs[current_sub].end && key<subs[current_sub+1].start){
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// no sub
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nosub_range_start=subs[current_sub].end;
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nosub_range_end=subs[current_sub+1].start;
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// printf("No sub... 1 \n");
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new_sub=NULL;
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goto update;
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}
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printf("HEH???? ");
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} else {
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if(key<=new_sub->end) printf("JAJJ! "); else
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if(current_sub+1 >= subd->sub_num){
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// at the end?
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nosub_range_start=new_sub->end;
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nosub_range_end=0x7FFFFFFF; // MAXINT
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// printf("END!?\n");
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new_sub=NULL;
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goto update;
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} else
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if(key>subs[current_sub].end && key<subs[current_sub+1].start){
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// no sub
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nosub_range_start=subs[current_sub].end;
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nosub_range_end=subs[current_sub+1].start;
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// printf("No sub... 2 \n");
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new_sub=NULL;
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goto update;
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}
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}
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mp_msg(MSGT_FIXME,MSGL_FIXME,"SUB ERROR: %d ? %d --- %d [%d] \n",key,(int)new_sub->start,(int)new_sub->end,current_sub);
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new_sub=NULL; // no sub here
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update:
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set_osd_subtitle(mpctx, new_sub);
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}
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