mpcommon.c

   1 #include <stdlib.h>
   2 #include "stream/stream.h"
   3 #include "libmpdemux/demuxer.h"
   4 #include "libmpdemux/stheader.h"
   5 #include "mplayer.h"
   6 #include "libvo/sub.h"
   7 #include "libvo/video_out.h"
   8 #include "spudec.h"
   9 #include "vobsub.h"
  10 #ifdef HAVE_TV_TELETEXT
  11 #include "stream/tv.h"
  12 #endif
  13
  14 double sub_last_pts = -303;
  15
  16 #ifdef USE_ASS
  17 #include "libass/ass.h"
  18 #include "libass/ass_mp.h"
  19 ass_track_t* ass_track = 0; // current track to render
  20 #endif
  21
  22 sub_data* subdata = NULL;
  23 subtitle* vo_sub_last = NULL;
  24
  25 void update_subtitles(sh_video_t *sh_video, demux_stream_t *d_dvdsub, int reset)
  26 {
  27     unsigned char *packet=NULL;
  28     int len;
  29     char type = d_dvdsub->sh ? ((sh_sub_t *)d_dvdsub->sh)->type : 'v';
  30     static subtitle subs;
  31     if (dvdsub_id >= 0 && type == 'a')
  32 #ifdef USE_ASS
  33       if (!ass_enabled)
  34 #endif
  35       type = 't';
  36     if (reset) {
  37         sub_clear_text(&subs, MP_NOPTS_VALUE);
  38         if (vo_sub) {
  39             vo_sub = NULL;
  40             vo_osd_changed(OSDTYPE_SUBTITLE);
  41         }
  42         if (vo_spudec) {
  43             spudec_reset(vo_spudec);
  44             vo_osd_changed(OSDTYPE_SPU);
  45         }
  46     }
  47     // find sub
  48     if (subdata) {
  49         double pts = sh_video->pts;
  50         if (sub_fps==0) sub_fps = sh_video->fps;
  51         current_module = "find_sub";
  52         if (pts > sub_last_pts || pts < sub_last_pts-1.0) {
  53             find_sub(subdata, (pts+sub_delay) *
  54                      (subdata->sub_uses_time ? 100. : sub_fps));
  55             if (vo_sub) vo_sub_last = vo_sub;
  56             // FIXME! frame counter...
  57             sub_last_pts = pts;
  58         }
  59     }
  60
  61     // DVD sub:
  62     if (vo_config_count && vo_spudec &&
  63         (vobsub_id >= 0 || (dvdsub_id >= 0 && type == 'v'))) {
  64         int timestamp;
  65         current_module = "spudec";
  66         spudec_heartbeat(vo_spudec, 90000*sh_video->timer);
  67         /* Get a sub packet from the DVD or a vobsub and make a timestamp
  68          * relative to sh_video->timer */
  69         while(1) {
  70             // Vobsub
  71             len = 0;
  72             if (vo_vobsub) {
  73                 if (sh_video->pts+sub_delay >= 0) {
  74                     len = vobsub_get_packet(vo_vobsub, sh_video->pts+sub_delay,
  75                                             (void**)&packet, &timestamp);
  76                     if (len > 0) {
  77                         timestamp -= (sh_video->pts + sub_delay - sh_video->timer)*90000;
  78                         mp_dbg(MSGT_CPLAYER,MSGL_V,"\rVOB sub: len=%d v_pts=%5.3f v_timer=%5.3f sub=%5.3f ts=%d \n",len,sh_video->pts,sh_video->timer,timestamp / 90000.0,timestamp);
  79                     }
  80                 }
  81             } else {
  82                 // DVD sub
  83                 len = ds_get_packet_sub(d_dvdsub, (unsigned char**)&packet);
  84                 if (len > 0) {
  85                     // XXX This is wrong, sh_video->pts can be arbitrarily
  86                     // much behind demuxing position. Unfortunately using
  87                     // d_video->pts which would have been the simplest
  88                     // improvement doesn't work because mpeg specific hacks
  89                     // in video.c set d_video->pts to 0.
  90                     float x = d_dvdsub->pts - sh_video->pts;
  91                     if (x > -20 && x < 20) // prevent missing subs on pts reset
  92                         timestamp = 90000*(sh_video->timer + d_dvdsub->pts
  93                                            + sub_delay - sh_video->pts);
  94                     else timestamp = 90000*(sh_video->timer + sub_delay);
  95                     mp_dbg(MSGT_CPLAYER, MSGL_V, "\rDVD sub: len=%d  "
  96                            "v_pts=%5.3f  s_pts=%5.3f  ts=%d \n", len,
  97                            sh_video->pts, d_dvdsub->pts, timestamp);
  98                 }
  99             }
 100             if (len<=0 || !packet) break;
 101             if (vo_vobsub || timestamp >= 0)
 102                 spudec_assemble(vo_spudec, packet, len, timestamp);
 103         }
 104
 105         if (spudec_changed(vo_spudec))
 106             vo_osd_changed(OSDTYPE_SPU);
 107     } else if (dvdsub_id >= 0 && type == 't') {
 108         double curpts = sh_video->pts + sub_delay;
 109         double endpts;
 110         vo_sub = &subs;
 111         while (d_dvdsub->first) {
 112             double pts = ds_get_next_pts(d_dvdsub);
 113             if (pts > curpts)
 114                 break;
 115             endpts = d_dvdsub->first->endpts;
 116             len = ds_get_packet_sub(d_dvdsub, &packet);
 117 #ifdef USE_ASS
 118             if (ass_enabled) {
 119                 static ass_track_t *global_ass_track = NULL;
 120                 if (!global_ass_track) global_ass_track = ass_default_track(ass_library);
 121                 ass_track = global_ass_track;
 122                 vo_sub = NULL;
 123                 if (pts != MP_NOPTS_VALUE) {
 124                     if (endpts == MP_NOPTS_VALUE) endpts = pts + 3;
 125                     sub_clear_text(&subs, MP_NOPTS_VALUE);
 126                     sub_add_text(&subs, packet, len, endpts);
 127                     subs.start = pts * 100;
 128                     subs.end = endpts * 100;
 129                     ass_process_subtitle(ass_track, &subs);
 130                 }
 131             } else
 132 #endif
 133                 if (pts != MP_NOPTS_VALUE) {
 134                     if (endpts == MP_NOPTS_VALUE)
 135                         sub_clear_text(&subs, MP_NOPTS_VALUE);
 136                     sub_add_text(&subs, packet, len, endpts);
 137                     vo_osd_changed(OSDTYPE_SUBTITLE);
 138                 }
 139         }
 140         if (sub_clear_text(&subs, curpts))
 141             vo_osd_changed(OSDTYPE_SUBTITLE);
 142     }
 143     current_module=NULL;
 144 }
 145
 146 void update_teletext(sh_video_t *sh_video, demuxer_t *demuxer, int reset)
 147 {
 148 #ifdef HAVE_TV_TELETEXT
 149     tvi_handle_t* tvh=demuxer->priv;
 150     int page_changed;
 151
 152     if (demuxer->type != DEMUXER_TYPE_TV || !tvh) return;
 153
 154     //Also forcing page update when such ioctl is not supported or call error occured
 155     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_IS_CHANGED,&page_changed)!=TVI_CONTROL_TRUE)
 156         page_changed=1;
 157
 158     if(!page_changed)
 159         return;
 160
 161     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_VBIPAGE,&vo_osd_teletext_page)!=TVI_CONTROL_TRUE)
 162         vo_osd_teletext_page=NULL;
 163     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_HALF_PAGE,&vo_osd_teletext_half)!=TVI_CONTROL_TRUE)
 164         vo_osd_teletext_half=0;
 165     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_MODE,&vo_osd_teletext_mode)!=TVI_CONTROL_TRUE)
 166         vo_osd_teletext_mode=0;
 167     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_FORMAT,&vo_osd_teletext_format)!=TVI_CONTROL_TRUE)
 168         vo_osd_teletext_format=0;
 169     vo_osd_changed(OSDTYPE_TELETEXT);
 170
 171     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_MARK_UNCHANGED,NULL);
 172 #endif
 173 }