mpcommon.c

   1 #include <stdlib.h>
   2 #include "options.h"
   3 #include "stream/stream.h"
   4 #include "libmpdemux/demuxer.h"
   5 #include "libmpdemux/stheader.h"
   6 #include "mplayer.h"
   7 #include "libvo/sub.h"
   8 #include "libvo/video_out.h"
   9 #include "spudec.h"
  10 #include "vobsub.h"
  11 #ifdef HAVE_TV_TELETEXT
  12 #include "stream/tv.h"
  13 #endif
  14 #include "libavutil/intreadwrite.h"
  15 #include "m_option.h"
  16
  17 double sub_last_pts = -303;
  18
  19 #ifdef USE_ASS
  20 #include "libass/ass.h"
  21 #include "libass/ass_mp.h"
  22 ass_track_t* ass_track = 0; // current track to render
  23 #endif
  24
  25 sub_data* subdata = NULL;
  26 subtitle* vo_sub_last = NULL;
  27
  28 void update_subtitles(sh_video_t *sh_video, demux_stream_t *d_dvdsub, int reset)
  29 {
  30     struct MPOpts *opts = sh_video->opts;
  31     unsigned char *packet=NULL;
  32     int len;
  33     char type = d_dvdsub->sh ? ((sh_sub_t *)d_dvdsub->sh)->type : 'v';
  34     static subtitle subs;
  35     if (reset) {
  36         sub_clear_text(&subs, MP_NOPTS_VALUE);
  37         if (vo_sub) {
  38             vo_sub = NULL;
  39             vo_osd_changed(OSDTYPE_SUBTITLE);
  40         }
  41         if (vo_spudec) {
  42             spudec_reset(vo_spudec);
  43             vo_osd_changed(OSDTYPE_SPU);
  44         }
  45     }
  46     // find sub
  47     if (subdata) {
  48         double pts = sh_video->pts;
  49         if (sub_fps==0) sub_fps = sh_video->fps;
  50         current_module = "find_sub";
  51         if (pts > sub_last_pts || pts < sub_last_pts-1.0) {
  52             find_sub(subdata, (pts+sub_delay) *
  53                      (subdata->sub_uses_time ? 100. : sub_fps));
  54             if (vo_sub) vo_sub_last = vo_sub;
  55             // FIXME! frame counter...
  56             sub_last_pts = pts;
  57         }
  58     }
  59
  60     // DVD sub:
  61     if (vo_spudec && (vobsub_id >= 0 || (opts->sub_id >= 0 && type == 'v'))) {
  62         int timestamp;
  63         current_module = "spudec";
  64         spudec_heartbeat(vo_spudec, 90000*sh_video->timer);
  65         /* Get a sub packet from the DVD or a vobsub and make a timestamp
  66          * relative to sh_video->timer */
  67         while(1) {
  68             // Vobsub
  69             len = 0;
  70             if (vo_vobsub) {
  71                 if (sh_video->pts+sub_delay >= 0) {
  72                     len = vobsub_get_packet(vo_vobsub, sh_video->pts+sub_delay,
  73                                             (void**)&packet, &timestamp);
  74                     if (len > 0) {
  75                         timestamp -= (sh_video->pts + sub_delay - sh_video->timer)*90000;
  76                         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);
  77                     }
  78                 }
  79             } else {
  80                 // DVD sub
  81                 len = ds_get_packet_sub(d_dvdsub, (unsigned char**)&packet);
  82                 if (len > 0) {
  83                     // XXX This is wrong, sh_video->pts can be arbitrarily
  84                     // much behind demuxing position. Unfortunately using
  85                     // d_video->pts which would have been the simplest
  86                     // improvement doesn't work because mpeg specific hacks
  87                     // in video.c set d_video->pts to 0.
  88                     float x = d_dvdsub->pts - sh_video->pts;
  89                     if (x > -20 && x < 20) // prevent missing subs on pts reset
  90                         timestamp = 90000*(sh_video->timer + d_dvdsub->pts
  91                                            + sub_delay - sh_video->pts);
  92                     else timestamp = 90000*(sh_video->timer + sub_delay);
  93                     mp_dbg(MSGT_CPLAYER, MSGL_V, "\rDVD sub: len=%d  "
  94                            "v_pts=%5.3f  s_pts=%5.3f  ts=%d \n", len,
  95                            sh_video->pts, d_dvdsub->pts, timestamp);
  96                 }
  97             }
  98             if (len<=0 || !packet) break;
  99             if (vo_vobsub || timestamp >= 0)
 100                 spudec_assemble(vo_spudec, packet, len, timestamp);
 101         }
 102
 103         if (spudec_changed(vo_spudec))
 104             vo_osd_changed(OSDTYPE_SPU);
 105     } else if (opts->sub_id >= 0
 106                && (type == 't' || type == 'm' || type == 'a')) {
 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             if (type == 'm') {
 117                 if (len < 2) continue;
 118                 len = FFMIN(len - 2, AV_RB16(packet));
 119                 packet += 2;
 120             }
 121 #ifdef USE_ASS
 122             if (ass_enabled) {
 123                 sh_sub_t* sh = d_dvdsub->sh;
 124                 ass_track = sh ? sh->ass_track : NULL;
 125                 if (!ass_track) continue;
 126                 if (type == 'a') { // ssa/ass subs with libass
 127                     ass_process_chunk(ass_track, packet, len,
 128                                       (long long)(pts*1000 + 0.5),
 129                                       (long long)((endpts-pts)*1000 + 0.5));
 130                 } else { // plaintext subs with libass
 131                     vo_sub = NULL;
 132                     if (pts != MP_NOPTS_VALUE) {
 133                         if (endpts == MP_NOPTS_VALUE) endpts = pts + 3;
 134                         sub_clear_text(&subs, MP_NOPTS_VALUE);
 135                         sub_add_text(&subs, packet, len, endpts);
 136                         subs.start = pts * 100;
 137                         subs.end = endpts * 100;
 138                         ass_process_subtitle(ass_track, &subs);
 139                     }
 140                 }
 141                 continue;
 142             }
 143 #endif
 144             if (pts != MP_NOPTS_VALUE) {
 145                 if (endpts == MP_NOPTS_VALUE)
 146                     sub_clear_text(&subs, MP_NOPTS_VALUE);
 147                 if (type == 'a') { // ssa/ass subs without libass => convert to plaintext
 148                     int i;
 149                     unsigned char* p = packet;
 150                     for (i=0; i < 8 && *p != '\0'; p++)
 151                         if (*p == ',')
 152                             i++;
 153                     if (*p == '\0')  /* Broken line? */
 154                         continue;
 155                     len -= p - packet;
 156                     packet = p;
 157                 }
 158                 sub_add_text(&subs, packet, len, endpts);
 159                 vo_osd_changed(OSDTYPE_SUBTITLE);
 160             }
 161         }
 162         if (sub_clear_text(&subs, curpts))
 163             vo_osd_changed(OSDTYPE_SUBTITLE);
 164     }
 165     current_module=NULL;
 166 }
 167
 168 void update_teletext(sh_video_t *sh_video, demuxer_t *demuxer, int reset)
 169 {
 170 #ifdef HAVE_TV_TELETEXT
 171     tvi_handle_t* tvh=demuxer->priv;
 172     int page_changed;
 173
 174     if (demuxer->type != DEMUXER_TYPE_TV || !tvh) return;
 175
 176     //Also forcing page update when such ioctl is not supported or call error occured
 177     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_IS_CHANGED,&page_changed)!=TVI_CONTROL_TRUE)
 178         page_changed=1;
 179
 180     if(!page_changed)
 181         return;
 182
 183     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_VBIPAGE,&vo_osd_teletext_page)!=TVI_CONTROL_TRUE)
 184         vo_osd_teletext_page=NULL;
 185     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_HALF_PAGE,&vo_osd_teletext_half)!=TVI_CONTROL_TRUE)
 186         vo_osd_teletext_half=0;
 187     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_MODE,&vo_osd_teletext_mode)!=TVI_CONTROL_TRUE)
 188         vo_osd_teletext_mode=0;
 189     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_FORMAT,&vo_osd_teletext_format)!=TVI_CONTROL_TRUE)
 190         vo_osd_teletext_format=0;
 191     vo_osd_changed(OSDTYPE_TELETEXT);
 192
 193     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_MARK_UNCHANGED,NULL);
 194 #endif
 195 }
 196
 197 int select_audio(demuxer_t* demuxer, int audio_id, char* audio_lang)
 198 {
 199     if (audio_id == -1 && audio_lang)
 200         audio_id = demuxer_audio_track_by_lang(demuxer, audio_lang);
 201     if (audio_id == -1)
 202         audio_id = demuxer_default_audio_track(demuxer);
 203     if (audio_id != -1) // -1 (automatic) is the default behaviour of demuxers
 204         demuxer_switch_audio(demuxer, audio_id);
 205     if (audio_id == -2) { // some demuxers don't yet know how to switch to no sound
 206         demuxer->audio->id = -2;
 207         demuxer->audio->sh = NULL;
 208     }
 209     return demuxer->audio->id;
 210 }
 211
 212 /* Parse -noconfig common to both programs */
 213 int disable_system_conf=0;
 214 int disable_user_conf=0;
 215 #ifdef HAVE_NEW_GUI
 216 int disable_gui_conf=0;
 217 #endif /* HAVE_NEW_GUI */
 218
 219 /* Disable all configuration files */
 220 static void noconfig_all(void)
 221 {
 222     disable_system_conf = 1;
 223     disable_user_conf = 1;
 224 #ifdef HAVE_NEW_GUI
 225     disable_gui_conf = 1;
 226 #endif /* HAVE_NEW_GUI */
 227 }
 228
 229 const m_option_t noconfig_opts[] = {
 230     {"all", noconfig_all, CONF_TYPE_FUNC, CONF_GLOBAL|CONF_NOCFG|CONF_PRE_PARSE, 0, 0, NULL},
 231     {"system", &disable_system_conf, CONF_TYPE_FLAG, CONF_GLOBAL|CONF_NOCFG|CONF_PRE_PARSE, 0, 1, NULL},
 232     {"user", &disable_user_conf, CONF_TYPE_FLAG, CONF_GLOBAL|CONF_NOCFG|CONF_PRE_PARSE, 0, 1, NULL},
 233 #ifdef HAVE_NEW_GUI
 234     {"gui", &disable_gui_conf, CONF_TYPE_FLAG, CONF_GLOBAL|CONF_NOCFG|CONF_PRE_PARSE, 0, 1, NULL},
 235 #endif /* HAVE_NEW_GUI */
 236     {NULL, NULL, 0, 0, 0, 0, NULL}
 237 };