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