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 (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 && type == 'v') {
  63         int timestamp;
  64         current_module = "spudec";
  65         spudec_heartbeat(vo_spudec, 90000*sh_video->timer);
  66         /* Get a sub packet from the DVD or a vobsub and make a timestamp
  67          * relative to sh_video->timer */
  68         while(1) {
  69             // Vobsub
  70             len = 0;
  71             if (vo_vobsub) {
  72                 if (sh_video->pts+sub_delay >= 0) {
  73                     len = vobsub_get_packet(vo_vobsub, sh_video->pts+sub_delay,
  74                                             (void**)&packet, &timestamp);
  75                     if (len > 0) {
  76                         timestamp -= (sh_video->pts + sub_delay - sh_video->timer)*90000;
  77                         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);
  78                     }
  79                 }
  80             } else {
  81                 // DVD sub
  82                 len = ds_get_packet_sub(d_dvdsub, (unsigned char**)&packet);
  83                 if (len > 0) {
  84                     // XXX This is wrong, sh_video->pts can be arbitrarily
  85                     // much behind demuxing position. Unfortunately using
  86                     // d_video->pts which would have been the simplest
  87                     // improvement doesn't work because mpeg specific hacks
  88                     // in video.c set d_video->pts to 0.
  89                     float x = d_dvdsub->pts - sh_video->pts;
  90                     if (x > -20 && x < 20) // prevent missing subs on pts reset
  91                         timestamp = 90000*(sh_video->timer + d_dvdsub->pts
  92                                            + sub_delay - sh_video->pts);
  93                     else timestamp = 90000*(sh_video->timer + sub_delay);
  94                     mp_dbg(MSGT_CPLAYER, MSGL_V, "\rDVD sub: len=%d  "
  95                            "v_pts=%5.3f  s_pts=%5.3f  ts=%d \n", len,
  96                            sh_video->pts, d_dvdsub->pts, timestamp);
  97                 }
  98             }
  99             if (len<=0 || !packet) break;
 100             if (vo_vobsub || timestamp >= 0)
 101                 spudec_assemble(vo_spudec, packet, len, timestamp);
 102         }
 103
 104         if (spudec_changed(vo_spudec))
 105             vo_osd_changed(OSDTYPE_SPU);
 106     } else if (dvdsub_id >= 0 && type == 't') {
 107         double curpts = sh_video->pts + sub_delay;
 108         double endpts;
 109         vo_sub = &subs;
 110         while (d_dvdsub->first) {
 111             double pts = ds_get_next_pts(d_dvdsub);
 112             if (pts > curpts)
 113                 break;
 114             endpts = d_dvdsub->first->endpts;
 115             len = ds_get_packet_sub(d_dvdsub, &packet);
 116 #ifdef USE_ASS
 117             if (ass_enabled) {
 118                 static ass_track_t *global_ass_track = NULL;
 119                 if (!global_ass_track) global_ass_track = ass_default_track(ass_library);
 120                 ass_track = global_ass_track;
 121                 vo_sub = NULL;
 122                 if (pts != MP_NOPTS_VALUE) {
 123                     if (endpts == MP_NOPTS_VALUE) endpts = pts + 3;
 124                     sub_clear_text(&subs, MP_NOPTS_VALUE);
 125                     sub_add_text(&subs, packet, len, endpts);
 126                     subs.start = pts * 100;
 127                     subs.end = endpts * 100;
 128                     ass_process_subtitle(ass_track, &subs);
 129                 }
 130             } else
 131 #endif
 132                 if (pts != MP_NOPTS_VALUE) {
 133                     if (endpts == MP_NOPTS_VALUE)
 134                         sub_clear_text(&subs, MP_NOPTS_VALUE);
 135                     sub_add_text(&subs, packet, len, endpts);
 136                     vo_osd_changed(OSDTYPE_SUBTITLE);
 137                 }
 138         }
 139         if (sub_clear_text(&subs, curpts))
 140             vo_osd_changed(OSDTYPE_SUBTITLE);
 141     }
 142     current_module=NULL;
 143 }
 144
 145 void update_teletext(sh_video_t *sh_video, demuxer_t *demuxer, int reset)
 146 {
 147 #ifdef HAVE_TV_TELETEXT
 148     tvi_handle_t* tvh=demuxer->priv;
 149     int page_changed;
 150
 151     if (demuxer->type != DEMUXER_TYPE_TV || !tvh) return;
 152
 153     //Also forcing page update when such ioctl is not supported or call error occured
 154     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_IS_CHANGED,&page_changed)!=TVI_CONTROL_TRUE)
 155         page_changed=1;
 156
 157     if(!page_changed)
 158         return;
 159
 160     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_VBIPAGE,&vo_osd_teletext_page)!=TVI_CONTROL_TRUE)
 161         vo_osd_teletext_page=NULL;
 162     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_HALF_PAGE,&vo_osd_teletext_half)!=TVI_CONTROL_TRUE)
 163         vo_osd_teletext_half=0;
 164     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_MODE,&vo_osd_teletext_mode)!=TVI_CONTROL_TRUE)
 165         vo_osd_teletext_mode=0;
 166     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_FORMAT,&vo_osd_teletext_format)!=TVI_CONTROL_TRUE)
 167         vo_osd_teletext_format=0;
 168     vo_osd_changed(OSDTYPE_TELETEXT);
 169
 170     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_MARK_UNCHANGED,NULL);
 171 #endif
 172 }