mirror of https://github.com/mpv-player/mpv
148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
//**************************************************************************//
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// .SUB
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//**************************************************************************//
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#include "config.h"
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#ifdef USE_OSD
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#include <stdio.h>
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#include "libvo/video_out.h"
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#include "libvo/sub.h"
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#include "subreader.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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extern float sub_delay;
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extern float sub_fps;
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void step_sub(subtitle *subtitles, float pts, int movement) {
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int key = sub_uses_time ? (100*(pts+sub_delay)) : ((pts+sub_delay)*sub_fps);
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if (subtitles == NULL)
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return;
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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 < subtitles[current_sub].start)
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movement--;
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if (movement < 0 && key >= subtitles[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 >= sub_num)
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movement = sub_num-current_sub-1;
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current_sub += movement;
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sub_delay = subtitles[current_sub].start/(sub_uses_time ? 100 : sub_fps) - pts;
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}
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void find_sub(subtitle* subtitles,int key){
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int i,j;
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if ( !subtitles ) return;
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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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vo_sub=NULL; // no sub here
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return;
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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<sub_num){
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if(key>subtitles[current_sub].end && key<subtitles[current_sub+1].start){
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// no sub
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nosub_range_start=subtitles[current_sub].end;
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nosub_range_end=subtitles[current_sub+1].start;
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vo_sub=NULL;
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return;
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}
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// next sub?
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++current_sub;
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vo_sub=&subtitles[current_sub];
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if(key>=vo_sub->start && key<=vo_sub->end) return; // 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;j=sub_num-1;
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// printf("Searching %d in %d..%d\n",key,subtitles[i].start,subtitles[j].end);
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while(j>=i){
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current_sub=(i+j+1)/2;
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vo_sub=&subtitles[current_sub];
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if(key<vo_sub->start) j=current_sub-1;
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else if(key>vo_sub->end) i=current_sub+1;
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else return; // found!
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}
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// if(key>=vo_sub->start && key<=vo_sub->end) return; // OK!
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// check where are we...
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if(key<vo_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=vo_sub->start;
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// printf("FIRST... key=%d end=%d \n",key,vo_sub->start);
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vo_sub=NULL;
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return;
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}
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--current_sub;
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if(key>subtitles[current_sub].end && key<subtitles[current_sub+1].start){
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// no sub
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nosub_range_start=subtitles[current_sub].end;
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nosub_range_end=subtitles[current_sub+1].start;
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// printf("No sub... 1 \n");
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vo_sub=NULL;
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return;
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}
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printf("HEH???? ");
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} else {
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if(key<=vo_sub->end) printf("JAJJ! "); else
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if(current_sub+1>=sub_num){
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// at the end?
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nosub_range_start=vo_sub->end;
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nosub_range_end=0x7FFFFFFF; // MAXINT
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// printf("END!?\n");
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vo_sub=NULL;
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return;
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} else
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if(key>subtitles[current_sub].end && key<subtitles[current_sub+1].start){
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// no sub
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nosub_range_start=subtitles[current_sub].end;
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nosub_range_end=subtitles[current_sub+1].start;
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// printf("No sub... 2 \n");
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vo_sub=NULL;
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return;
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}
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}
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printf("SUB ERROR: %d ? %d --- %d [%d] \n",key,(int)vo_sub->start,(int)vo_sub->end,current_sub);
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vo_sub=NULL; // no sub here
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}
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#endif
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