mpcommon.c

   1 #include <stdlib.h>
   2 #include "mpcommon.h"
   3 #include "options.h"
   4 #include "stream/stream.h"
   5 #include "libmpdemux/demuxer.h"
   6 #include "libmpdemux/stheader.h"
   7 #include "mplayer.h"
   8 #include "libvo/sub.h"
   9 #include "libvo/video_out.h"
  10 #include "spudec.h"
  11 #include "vobsub.h"
  12 #ifdef CONFIG_TV_TELETEXT
  13 #include "stream/tv.h"
  14 #endif
  15 #include "libavutil/intreadwrite.h"
  16 #include "m_option.h"
  17
  18 double sub_last_pts = -303;
  19
  20 #ifdef CONFIG_ASS
  21 #include "libass/ass.h"
  22 #include "libass/ass_mp.h"
  23 ass_track_t* ass_track = 0; // current track to render
  24 #endif
  25
  26 sub_data* subdata = NULL;
  27 subtitle* vo_sub_last = NULL;
  28
  29 void update_subtitles(sh_video_t *sh_video, demux_stream_t *d_dvdsub, int reset)
  30 {
  31     struct MPOpts *opts = sh_video->opts;
  32     unsigned char *packet=NULL;
  33     int len;
  34     char type = d_dvdsub->sh ? ((sh_sub_t *)d_dvdsub->sh)->type : 'v';
  35     static subtitle subs;
  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_spudec && (vobsub_id >= 0 || (opts->sub_id >= 0 && 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 (opts->sub_id >= 0
 107                && (type == 't' || type == 'm' || type == 'a')) {
 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             if (type == 'm') {
 118                 if (len < 2) continue;
 119                 len = FFMIN(len - 2, AV_RB16(packet));
 120                 packet += 2;
 121             }
 122 #ifdef CONFIG_ASS
 123             if (ass_enabled) {
 124                 sh_sub_t* sh = d_dvdsub->sh;
 125                 ass_track = sh ? sh->ass_track : NULL;
 126                 if (!ass_track) continue;
 127                 if (type == 'a') { // ssa/ass subs with libass
 128                     ass_process_chunk(ass_track, packet, len,
 129                                       (long long)(pts*1000 + 0.5),
 130                                       (long long)((endpts-pts)*1000 + 0.5));
 131                 } else { // plaintext subs with libass
 132                     vo_sub = NULL;
 133                     if (pts != MP_NOPTS_VALUE) {
 134                         if (endpts == MP_NOPTS_VALUE) endpts = pts + 3;
 135                         sub_clear_text(&subs, MP_NOPTS_VALUE);
 136                         sub_add_text(&subs, packet, len, endpts);
 137                         subs.start = pts * 100;
 138                         subs.end = endpts * 100;
 139                         ass_process_subtitle(ass_track, &subs);
 140                     }
 141                 }
 142                 continue;
 143             }
 144 #endif
 145             if (pts != MP_NOPTS_VALUE) {
 146                 if (endpts == MP_NOPTS_VALUE)
 147                     sub_clear_text(&subs, MP_NOPTS_VALUE);
 148                 if (type == 'a') { // ssa/ass subs without libass => convert to plaintext
 149                     int i;
 150                     unsigned char* p = packet;
 151                     for (i=0; i < 8 && *p != '\0'; p++)
 152                         if (*p == ',')
 153                             i++;
 154                     if (*p == '\0')  /* Broken line? */
 155                         continue;
 156                     len -= p - packet;
 157                     packet = p;
 158                 }
 159                 sub_add_text(&subs, packet, len, endpts);
 160                 vo_osd_changed(OSDTYPE_SUBTITLE);
 161             }
 162         }
 163         if (sub_clear_text(&subs, curpts))
 164             vo_osd_changed(OSDTYPE_SUBTITLE);
 165     }
 166     current_module=NULL;
 167 }
 168
 169 void update_teletext(sh_video_t *sh_video, demuxer_t *demuxer, int reset)
 170 {
 171 #ifdef CONFIG_TV_TELETEXT
 172     tvi_handle_t* tvh=demuxer->priv;
 173     int page_changed;
 174
 175     if (demuxer->type != DEMUXER_TYPE_TV || !tvh) return;
 176
 177     //Also forcing page update when such ioctl is not supported or call error occured
 178     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_IS_CHANGED,&page_changed)!=TVI_CONTROL_TRUE)
 179         page_changed=1;
 180
 181     if(!page_changed)
 182         return;
 183
 184     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_VBIPAGE,&vo_osd_teletext_page)!=TVI_CONTROL_TRUE)
 185         vo_osd_teletext_page=NULL;
 186     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_HALF_PAGE,&vo_osd_teletext_half)!=TVI_CONTROL_TRUE)
 187         vo_osd_teletext_half=0;
 188     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_MODE,&vo_osd_teletext_mode)!=TVI_CONTROL_TRUE)
 189         vo_osd_teletext_mode=0;
 190     if(tvh->functions->control(tvh->priv,TV_VBI_CONTROL_GET_FORMAT,&vo_osd_teletext_format)!=TVI_CONTROL_TRUE)
 191         vo_osd_teletext_format=0;
 192     vo_osd_changed(OSDTYPE_TELETEXT);
 193
 194     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_MARK_UNCHANGED,NULL);
 195 #endif
 196 }
 197
 198 int select_audio(demuxer_t* demuxer, int audio_id, char* audio_lang)
 199 {
 200     if (audio_id == -1 && audio_lang)
 201         audio_id = demuxer_audio_track_by_lang(demuxer, audio_lang);
 202     if (audio_id == -1)
 203         audio_id = demuxer_default_audio_track(demuxer);
 204     if (audio_id != -1) // -1 (automatic) is the default behaviour of demuxers
 205         demuxer_switch_audio(demuxer, audio_id);
 206     if (audio_id == -2) { // some demuxers don't yet know how to switch to no sound
 207         demuxer->audio->id = -2;
 208         demuxer->audio->sh = NULL;
 209     }
 210     return demuxer->audio->id;
 211 }
 212
 213 /* Parse -noconfig common to both programs */
 214 int disable_system_conf=0;
 215 int disable_user_conf=0;
 216 #ifdef CONFIG_GUI
 217 int disable_gui_conf=0;
 218 #endif /* CONFIG_GUI */
 219
 220 /* Disable all configuration files */
 221 static void noconfig_all(void)
 222 {
 223     disable_system_conf = 1;
 224     disable_user_conf = 1;
 225 #ifdef CONFIG_GUI
 226     disable_gui_conf = 1;
 227 #endif /* CONFIG_GUI */
 228 }
 229
 230 const m_option_t noconfig_opts[] = {
 231     {"all", noconfig_all, CONF_TYPE_FUNC, CONF_GLOBAL|CONF_NOCFG|CONF_PRE_PARSE, 0, 0, NULL},
 232     {"system", &disable_system_conf, CONF_TYPE_FLAG, CONF_GLOBAL|CONF_NOCFG|CONF_PRE_PARSE, 0, 1, NULL},
 233     {"user", &disable_user_conf, CONF_TYPE_FLAG, CONF_GLOBAL|CONF_NOCFG|CONF_PRE_PARSE, 0, 1, NULL},
 234 #ifdef CONFIG_GUI
 235     {"gui", &disable_gui_conf, CONF_TYPE_FLAG, CONF_GLOBAL|CONF_NOCFG|CONF_PRE_PARSE, 0, 1, NULL},
 236 #endif /* CONFIG_GUI */
 237     {NULL, NULL, 0, 0, 0, 0, NULL}
 238 };