gtk2_ardour/video_timeline.cc

   1 /*
   2     Copyright (C) 2010 Paul Davis
   3     Author: Robin Gareus <robin@gareus.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20 #include <algorithm>
  21 #include <sigc++/bind.h>
  22 #include "ardour/tempo.h"
  23
  24 #include "pbd/file_utils.h"
  25 #include "pbd/convert.h"
  26 #include "ardour/session_directory.h"
  27
  28 #include "ardour_ui.h"
  29 #include "public_editor.h"
  30 #include "gui_thread.h"
  31 #include "utils_videotl.h"
  32 #include "rgb_macros.h"
  33 #include "video_timeline.h"
  34 #include "video_tool_paths.h"
  35
  36 #include <gtkmm2ext/utils.h>
  37 #include <pthread.h>
  38 #include <curl/curl.h>
  39
  40 #include "pbd/i18n.h"
  41
  42 using namespace std;
  43 using namespace ARDOUR;
  44 using namespace PBD;
  45 using namespace Timecode;
  46 using namespace VideoUtils;
  47
  48 VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Container *vbg, int initial_height)
  49         : editor (ed)
  50                 , videotl_group(vbg)
  51                 , bar_height(initial_height)
  52 {
  53         video_start_offset = 0L;
  54         video_offset = 0L;
  55         video_offset_p = 0L;
  56         video_duration = 0L;
  57         auto_set_session_fps = false;
  58         video_offset_lock = false;
  59         video_aspect_ratio = 4.0/3.0;
  60         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
  61         video_server_url = video_get_server_url(Config);
  62         server_docroot   = video_get_docroot(Config);
  63         video_filename = "";
  64         local_file = true;
  65         video_file_fps = 25.0;
  66         flush_frames = false;
  67         vmonitor=0;
  68         reopen_vmonitor=false;
  69         find_xjadeo();
  70
  71         VtlUpdate.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
  72         GuiUpdate.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
  73 }
  74
  75 VideoTimeLine::~VideoTimeLine ()
  76 {
  77         close_session();
  78 }
  79
  80 /* close and save settings */
  81 void
  82 VideoTimeLine::save_session ()
  83 {
  84         if (!_session) {
  85                 return;
  86         }
  87
  88         LocaleGuard lg;
  89
  90         XMLNode* node = new XMLNode(X_("Videomonitor"));
  91         if (!node) return;
  92         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
  93         _session->add_extra_xml (*node);
  94
  95         if (vmonitor) {
  96                 if (vmonitor->is_started()) {
  97                         vmonitor->query_full_state(true);
  98                 }
  99                 vmonitor->save_session();
 100         }
 101
 102         /* VTL settings */
 103         node = _session->extra_xml (X_("Videotimeline"));
 104         if (!node) return;
 105         node->add_property (X_("id"), id().to_s());
 106         node->add_property (X_("Height"), editor->get_videotl_bar_height());
 107         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 108         node->add_property (X_("VideoOffset"), video_offset);
 109         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 110 }
 111
 112 /* close and save settings */
 113 void
 114 VideoTimeLine::close_session ()
 115 {
 116         if (video_duration == 0) {
 117                 return;
 118         }
 119         sessionsave.disconnect();
 120         close_video_monitor();
 121
 122         remove_frames();
 123         video_filename = "";
 124         video_duration = 0;
 125         GuiUpdate("set-xjadeo-sensitive-off");
 126         GuiUpdate("video-unavailable");
 127 }
 128
 129 void
 130 VideoTimeLine::sync_session_state ()
 131 {
 132         if (!_session || !vmonitor || !vmonitor->is_started()) {
 133                 return;
 134         }
 135         save_session();
 136 }
 137
 138 /** load settings from session */
 139 void
 140 VideoTimeLine::set_session (ARDOUR::Session *s)
 141 {
 142         SessionHandlePtr::set_session (s);
 143         if (!_session) { return ; }
 144
 145         _session->SessionSaveUnderway.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
 146         LocaleGuard lg;
 147
 148         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 149
 150         if (!node || !node->property (X_("Filename"))) {
 151                 return;
 152         }
 153
 154         ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 155
 156         set_id(*node);
 157
 158         XMLProperty const * proph = node->property (X_("Height"));
 159         if (proph) {
 160                 editor->set_video_timeline_height(atoi(proph->value()));
 161         }
 162 #if 0 /* TODO THINK: set FPS first time only ?! */
 163         XMLProperty const * propasfps = node->property (X_("AutoFPS"));
 164         if (propasfps) {
 165                 auto_set_session_fps = atoi(propasfps->value())?true:false;
 166         }
 167 #endif
 168
 169         XMLProperty const * propoffset = node->property (X_("VideoOffset"));
 170         if (propoffset) {
 171                 video_offset = atoll(propoffset->value());
 172                 video_offset_p = video_offset;
 173         }
 174
 175         XMLProperty const * proplock = node->property (X_("VideoOffsetLock"));
 176         if (proplock) {
 177                 video_offset_lock = atoi(proplock->value())?true:false;
 178         }
 179
 180         XMLProperty const * localfile = node->property (X_("LocalFile"));
 181         if (localfile) {
 182                 local_file = atoi(localfile->value())?true:false;
 183         }
 184
 185         XMLProperty const * propf = node->property (X_("Filename"));
 186         video_file_info(propf->value(), local_file);
 187
 188         if ((node = _session->extra_xml (X_("Videomonitor")))) {
 189                 XMLProperty const * prop = node->property (X_("active"));
 190                 if (prop && prop->value() == "yes" && found_xjadeo() && !video_filename.empty() && local_file) {
 191                         open_video_monitor();
 192                 }
 193         }
 194
 195         _session->register_with_memento_command_factory(id(), this);
 196         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 197 }
 198
 199 void
 200 VideoTimeLine::set_offset_locked (bool v) {
 201         if (_session && v != video_offset_lock) {
 202                 _session->set_dirty ();
 203         }
 204         video_offset_lock = v;
 205 }
 206
 207 void
 208 VideoTimeLine::toggle_offset_locked () {
 209         video_offset_lock = !video_offset_lock;
 210         if (_session) {
 211                 _session->set_dirty ();
 212         }
 213 }
 214
 215 void
 216 VideoTimeLine::save_undo ()
 217 {
 218         if (_session && video_offset_p != video_offset) {
 219                 _session->set_dirty ();
 220         }
 221         video_offset_p = video_offset;
 222 }
 223
 224 int
 225 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 226 {
 227         LocaleGuard lg;
 228         XMLProperty const * propoffset = node.property (X_("VideoOffset"));
 229         if (propoffset) {
 230                 video_offset = atoll(propoffset->value());
 231         }
 232         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 233         return 0;
 234 }
 235
 236 XMLNode&
 237 VideoTimeLine::get_state ()
 238 {
 239         XMLNode* node = new XMLNode (X_("Videotimeline"));
 240         LocaleGuard lg;
 241         node->add_property (X_("VideoOffset"), video_offset_p);
 242         return *node;
 243 }
 244
 245 void
 246 VideoTimeLine::remove_frames ()
 247 {
 248         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 249                 VideoImageFrame *frame = (*i);
 250                 delete frame;
 251                 (*i) = 0;
 252         }
 253         video_frames.clear();
 254 }
 255
 256 VideoImageFrame *
 257 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 258 {
 259         if (vfn==0) cut=0;
 260         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 261                 VideoImageFrame *frame = (*i);
 262                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 263                     && frame->get_rightend() == rightend) { return frame; }
 264         }
 265         return 0;
 266 }
 267
 268 float
 269 VideoTimeLine::get_apv()
 270 {
 271         // XXX: dup code - TODO use this fn in update_video_timeline()
 272         float apv = -1; /* audio samples per video frame; */
 273         if (!_session) return apv;
 274
 275         if (_session->config.get_use_video_file_fps()) {
 276                 if (video_file_fps == 0 ) return apv;
 277         } else {
 278                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 279         }
 280
 281         if (_session->config.get_videotimeline_pullup()) {
 282                 apv = _session->frame_rate();
 283         } else {
 284                 apv = _session->nominal_frame_rate();
 285         }
 286         if (_session->config.get_use_video_file_fps()) {
 287                 apv /= video_file_fps;
 288         } else {
 289                 apv /= _session->timecode_frames_per_second();
 290         }
 291         return apv;
 292 }
 293
 294 void
 295 VideoTimeLine::update_video_timeline()
 296 {
 297         if (!_session) return;
 298
 299         if (_session->config.get_use_video_file_fps()) {
 300                 if (video_file_fps == 0 ) return;
 301         } else {
 302                 if (_session->timecode_frames_per_second() == 0 ) return;
 303         }
 304
 305         const double samples_per_pixel = editor->get_current_zoom();
 306         const framepos_t leftmost_sample =  editor->leftmost_sample();
 307
 308         /* Outline:
 309          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 310          * 2) calculate first frame and distance between video-frames (according to zoom)
 311          * 3) destroy/add frames
 312          * 4) reposition existing frames
 313          * 5) assign framenumber to frames -> request/decode video.
 314          */
 315
 316         /* video-file and session properties */
 317         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 318         float apv; /* audio samples per video frame; */
 319         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 320
 321         /* variables needed to render videotimeline -- what needs to computed first */
 322         framepos_t vtl_start; /* unit: audio-samples ; first displayed video-frame */
 323         framepos_t vtl_dist;  /* unit: audio-samples ; distance between displayed video-frames */
 324         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 325
 326         if (_session->config.get_videotimeline_pullup()) {
 327                 apv = _session->frame_rate();
 328         } else {
 329                 apv = _session->nominal_frame_rate();
 330         }
 331         if (_session->config.get_use_video_file_fps()) {
 332                 apv /= video_file_fps;
 333         } else {
 334                 apv /= _session->timecode_frames_per_second();
 335         }
 336
 337         display_vframe_width = bar_height * video_aspect_ratio;
 338
 339         if (apv > samples_per_pixel * display_vframe_width) {
 340                 /* high-zoom: need space between successive video-frames */
 341                 vtl_dist = rint(apv);
 342         } else {
 343                 /* continous timeline: skip video-frames */
 344                 vtl_dist = ceil(display_vframe_width * samples_per_pixel / apv) * apv;
 345         }
 346
 347         assert (vtl_dist > 0);
 348         assert (apv > 0);
 349
 350         leftmost_video_frame = floor (floor((long double)(leftmost_sample - video_start_offset - video_offset ) / vtl_dist) * vtl_dist / apv);
 351
 352         vtl_start = rint (video_offset + video_start_offset + leftmost_video_frame * apv);
 353         visible_video_frames = 2 + ceil((double)editor->current_page_samples() / vtl_dist); /* +2 left+right partial frames */
 354
 355         /* expand timeline (cache next/prev page images) */
 356         vtl_start -= visible_video_frames * vtl_dist;
 357         visible_video_frames *=3;
 358
 359         /* don't request frames that are too far to the right */
 360         if (vtl_start < video_offset) {
 361                 visible_video_frames = std::max((double)0.0, (double)visible_video_frames + ceil((double)(vtl_start - video_offset)/vtl_dist));
 362                 vtl_start = video_offset;
 363         }
 364
 365         /* apply video-file constraints
 366          * (first frame in video is at video_start_offset) */
 367         if (vtl_start > video_start_offset + video_duration + video_offset ) {
 368                 visible_video_frames = 0;
 369         }
 370         /* trim end.
 371          * end = position on timeline (video-offset)  minus  video-file's first frame position
 372          * TODO optimize: compute rather than iterate */
 373         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + video_offset) {
 374                 --visible_video_frames;
 375         }
 376
 377         if (flush_frames) {
 378                 remove_frames();
 379                 flush_frames=false;
 380         }
 381
 382         while (video_frames.size() < visible_video_frames) {
 383                 VideoImageFrame *frame;
 384                 frame = new VideoImageFrame(*editor, *videotl_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 385                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 386                 video_frames.push_back(frame);
 387         }
 388
 389         VideoFrames outdated_video_frames;
 390         std::list<int> remaining;
 391
 392         outdated_video_frames = video_frames;
 393
 394 #if 1
 395         /* when zoomed out, ignore shifts by +-1 frame
 396          * which can occur due to rounding errors when
 397          * scrolling to a new leftmost-audio frame.
 398          */
 399         int cut =1;
 400         if (vtl_dist/apv < 3.0) cut =0;
 401 #else
 402         int cut =0;
 403 #endif
 404
 405         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 406                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 407                 framepos_t vframeno = rint ( (vfpos - video_offset) / apv); /* unit: video-frames */
 408                 vfpos = (vframeno * apv ) + video_offset; /* audio-frame  corresponding to /rounded/ video-frame */
 409
 410                 int rightend = -1; /* unit: pixels */
 411                 if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 412                         rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 413                         //printf("lf(e): %lu\n", vframeno); // XXX
 414                 }
 415                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 416                 if (frame) {
 417                   frame->set_position(vfpos);
 418                         outdated_video_frames.remove(frame);
 419                 } else {
 420                         remaining.push_back(vfcount);
 421                 }
 422         }
 423
 424         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 425                 VideoImageFrame *frame = (*i);
 426                 if (remaining.empty()) {
 427                   frame->set_position(-2 * vtl_dist + leftmost_sample); /* move off screen */
 428                 } else {
 429                         int vfcount=remaining.front();
 430                         remaining.pop_front();
 431                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 432                         framepos_t vframeno = rint ((vfpos - video_offset) / apv);  /* unit: video-frames */
 433                         int rightend = -1; /* unit: pixels */
 434                         if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 435                                 rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 436                                 //printf("lf(n): %lu\n", vframeno); // XXX
 437                         }
 438                         frame->set_position(vfpos);
 439                         frame->set_videoframe(vframeno, rightend);
 440                 }
 441         }
 442 }
 443
 444 std::string
 445 VideoTimeLine::translated_filename ()
 446 {
 447         if (!local_file){
 448                 return video_filename;
 449         } else {
 450                 return video_map_path(server_docroot, video_filename);
 451         }
 452 }
 453
 454 bool
 455 VideoTimeLine::video_file_info (std::string filename, bool local)
 456 {
 457
 458         local_file = local;
 459         if (Glib::path_is_absolute(filename) || !local_file)
 460         {
 461                 video_filename = filename;
 462         }  else {
 463                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 464         }
 465
 466         long long int _duration;
 467         double _start_offset;
 468
 469         if (!video_query_info(
 470                         video_server_url, translated_filename(),
 471                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 472                 warning << _("Parsing video file info failed. Is the Video Server running? Is the file readable by the Video Server? Does the docroot match? Is it a video file?") << endmsg;
 473                 video_duration = 0;
 474                 GuiUpdate("set-xjadeo-sensitive-off");
 475                 GuiUpdate("video-unavailable");
 476                 return false;
 477         }
 478         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 479         video_start_offset = _start_offset * _session->nominal_frame_rate();
 480
 481         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 482                 switch ((int)floorf(video_file_fps*1000.0)) {
 483                         case 23976:
 484                                 _session->config.set_timecode_format(timecode_23976);
 485                                 break;
 486                         case 24000:
 487                                 _session->config.set_timecode_format(timecode_24);
 488                                 break;
 489                         case 24975:
 490                         case 24976:
 491                                 _session->config.set_timecode_format(timecode_24976);
 492                                 break;
 493                         case 25000:
 494                                 _session->config.set_timecode_format(timecode_25);
 495                                 break;
 496                         case 29970:
 497                                 _session->config.set_timecode_format(timecode_2997drop);
 498                                 break;
 499                         case 30000:
 500                                 _session->config.set_timecode_format(timecode_30);
 501                                 break;
 502                         case 59940:
 503                                 _session->config.set_timecode_format(timecode_5994);
 504                                 break;
 505                         case 60000:
 506                                 _session->config.set_timecode_format(timecode_60);
 507                                 break;
 508                         default:
 509                                 warning << string_compose (
 510                                                 _("Failed to set session-framerate: '%1' does not have a corresponding option setting in %2."),
 511                                                 video_file_fps, PROGRAM_NAME ) << endmsg;
 512                                 break;
 513                 }
 514                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 515         }
 516         if (floor(video_file_fps*100) != floor(_session->timecode_frames_per_second()*100)) {
 517                 warning << string_compose(
 518                                 _("Video file's framerate is not equal to %1 session timecode's framerate: '%2' vs '%3'"),
 519                                         PROGRAM_NAME, video_file_fps, _session->timecode_frames_per_second())
 520                                 << endmsg;
 521         }
 522         flush_local_cache ();
 523
 524         if (found_xjadeo() && local_file) {
 525                 GuiUpdate("set-xjadeo-sensitive-on");
 526                 if (vmonitor && vmonitor->is_started()) {
 527 #if 1
 528                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 529                          * if the geometry changes to a different line-size alignment
 530                          */
 531                         reopen_vmonitor = true;
 532                         vmonitor->quit();
 533 #else
 534                         vmonitor->set_fps(video_file_fps);
 535                         vmonitor->open(video_filename);
 536 #endif
 537                 }
 538         } else if (!local_file) {
 539 #if 1 /* temp debug/devel message */
 540                 // TODO - call xjremote remotely.
 541                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 542                 GuiUpdate("set-xjadeo-sensitive-off");
 543 #endif
 544         }
 545         VtlUpdate();
 546         GuiUpdate("video-available");
 547         return true;
 548 }
 549
 550 bool
 551 VideoTimeLine::check_server ()
 552 {
 553         bool ok = false;
 554         char url[1024];
 555         snprintf(url, sizeof(url), "%s%sstatus"
 556                         , video_server_url.c_str()
 557                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 558                         );
 559         char *res=a3_curl_http_get(url, NULL);
 560         if (res) {
 561                 if (strstr(res, "status: ok, online.")) { ok = true; }
 562                 free(res);
 563         }
 564         return ok;
 565 }
 566
 567 bool
 568 VideoTimeLine::check_server_docroot ()
 569 {
 570         bool ok = true;
 571         char url[1024];
 572         std::vector<std::vector<std::string> > lines;
 573
 574         if (video_server_url.find("/localhost:") == string::npos) {
 575                 return true;
 576         }
 577         snprintf(url, sizeof(url), "%s%src?format=csv"
 578                         , video_server_url.c_str()
 579                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 580                         );
 581         char *res=a3_curl_http_get(url, NULL);
 582         if (!res) {
 583                 return false;
 584         }
 585
 586         ParseCSV(std::string(res), lines);
 587         if (   lines.empty()
 588                         || lines.at(0).empty()
 589                         || lines.at(0).at(0) != video_get_docroot(Config)) {
 590                 warning << string_compose(
 591                                 _("Video-server docroot mismatch. %1: '%2', video-server: '%3'. This usually means that the video server was not started by %1 and uses a different document-root."),
 592                                 PROGRAM_NAME, video_get_docroot(Config), lines.at(0).at(0))
 593                 << endmsg;
 594                 ok = false; // TODO allow to override
 595         }
 596         free(res);
 597         return ok;
 598 }
 599
 600 void
 601 VideoTimeLine::gui_update(std::string const & t) {
 602         /* this is to be called via GuiUpdate() only. */
 603         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 604         if (t == "videotimeline-update") {
 605                 editor->queue_visual_videotimeline_update();
 606         } else if (t == "set-xjadeo-active-off") {
 607                 editor->toggle_xjadeo_proc(0);
 608         } else if (t == "set-xjadeo-active-on") {
 609                 editor->toggle_xjadeo_proc(1);
 610         } else if (t == "set-xjadeo-sensitive-on") {
 611                 editor->set_xjadeo_sensitive(true);
 612         } else if (t == "set-xjadeo-sensitive-off") {
 613                 editor->toggle_xjadeo_proc(0);
 614                 //close_video_monitor();
 615                 editor->set_xjadeo_sensitive(false);
 616         } else if (t == "xjadeo-window-ontop-on") {
 617                 editor->toggle_xjadeo_viewoption(1, 1);
 618         } else if (t == "xjadeo-window-ontop-off") {
 619                 editor->toggle_xjadeo_viewoption(1, 0);
 620         } else if (t == "xjadeo-window-osd-timecode-on") {
 621                 editor->toggle_xjadeo_viewoption(2, 1);
 622         } else if (t == "xjadeo-window-osd-timecode-off") {
 623                 editor->toggle_xjadeo_viewoption(2, 0);
 624         } else if (t == "xjadeo-window-osd-frame-on") {
 625                 editor->toggle_xjadeo_viewoption(3, 1);
 626         } else if (t == "xjadeo-window-osd-frame-off") {
 627                 editor->toggle_xjadeo_viewoption(3, 0);
 628         } else if (t == "xjadeo-window-osd-box-on") {
 629                 editor->toggle_xjadeo_viewoption(4, 1);
 630         } else if (t == "xjadeo-window-osd-box-off") {
 631                 editor->toggle_xjadeo_viewoption(4, 0);
 632         } else if (t == "xjadeo-window-fullscreen-on") {
 633                 editor->toggle_xjadeo_viewoption(5, 1);
 634         } else if (t == "xjadeo-window-fullscreen-off") {
 635                 editor->toggle_xjadeo_viewoption(5, 0);
 636         } else if (t == "xjadeo-window-letterbox-on") {
 637                 editor->toggle_xjadeo_viewoption(6, 1);
 638         } else if (t == "xjadeo-window-letterbox-off") {
 639                 editor->toggle_xjadeo_viewoption(6, 0);
 640         } else if (t == "video-available") {
 641                 editor->set_close_video_sensitive(true);
 642         } else if (t == "video-unavailable") {
 643                 editor->set_close_video_sensitive(false);
 644         }
 645 }
 646
 647 void
 648 VideoTimeLine::set_height (int height) {
 649         if (_session && bar_height != height) {
 650                 _session->set_dirty ();
 651         }
 652         bar_height = height;
 653         flush_local_cache();
 654 }
 655
 656 void
 657 VideoTimeLine::vmon_update () {
 658         if (vmonitor && vmonitor->is_started()) {
 659                 vmonitor->set_offset(video_offset); // TODO proper re-init xjadeo w/o restart not just offset.
 660         }
 661 }
 662
 663 void
 664 VideoTimeLine::flush_local_cache () {
 665         flush_frames = true;
 666         vmon_update();
 667 }
 668
 669 void
 670 VideoTimeLine::flush_cache () {
 671         flush_local_cache();
 672         char url[1024];
 673         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 674                         , video_server_url.c_str()
 675                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 676                         );
 677         char *res=a3_curl_http_get(url, NULL);
 678         if (res) {
 679                 free (res);
 680         }
 681         if (vmonitor && vmonitor->is_started()) {
 682                 reopen_vmonitor=true;
 683                 vmonitor->quit();
 684         }
 685         video_file_info(video_filename, local_file);
 686 }
 687
 688 /* config */
 689 void
 690 VideoTimeLine::parameter_changed (std::string const & p)
 691 {
 692         if (p == "video-server-url") {
 693                 set_video_server_url (video_get_server_url(Config));
 694         } else if (p == "video-server-docroot") {
 695                 set_video_server_docroot (video_get_docroot(Config));
 696         } else if (p == "video-advanced-setup") {
 697                 set_video_server_url (video_get_server_url(Config));
 698                 set_video_server_docroot (video_get_docroot(Config));
 699         }
 700         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 701                 VtlUpdate();
 702         }
 703 }
 704
 705 void
 706 VideoTimeLine::set_video_server_url(std::string vsu) {
 707         flush_local_cache ();
 708         video_server_url = vsu;
 709         VtlUpdate();
 710 }
 711
 712 void
 713 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 714         flush_local_cache ();
 715         server_docroot = vsr;
 716         VtlUpdate();
 717 }
 718
 719 /* video-monitor for this timeline */
 720 void
 721 VideoTimeLine::xjadeo_readversion (std::string d, size_t /* s */) {
 722         xjadeo_version += d;
 723 }
 724
 725 void
 726 VideoTimeLine::find_xjadeo () {
 727         if (!ArdourVideoToolPaths::xjadeo_exe(_xjadeo_bin)) {
 728                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 729                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 730                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').\n"
 731                                 "\n"
 732                                 "see also http://manual.ardour.org/video-timeline/setup/")
 733                         << endmsg;
 734         }
 735
 736         if (found_xjadeo ()) {
 737                 ARDOUR::SystemExec version_check(_xjadeo_bin, X_("--version"));
 738                 xjadeo_version = "";
 739                 version_check.ReadStdout.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, _1 ,_2));
 740                 version_check.Terminated.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, "\n" ,1));
 741                 if (version_check.start(2)) {
 742                         warning << _(
 743                                         "Video-monitor 'xjadeo' cannot be launched."
 744                                         ) << endmsg;
 745                         _xjadeo_bin = X_("");
 746                         return;
 747                 }
 748
 749 #ifdef PLATFORM_WINDOWS
 750                 version_check.wait (); // 40ms timeout
 751 #else
 752                 version_check.wait (WNOHANG);
 753 #endif
 754
 755                 int timeout = 300;
 756                 while (xjadeo_version.empty() && --timeout) {
 757                         Glib::usleep(10000);
 758                 }
 759
 760                 bool v_ok = false;
 761                 size_t vo = xjadeo_version.find(" version ");
 762                 if (vo != string::npos) {
 763                         int v_major, v_minor, v_micro;
 764                         if(sscanf(xjadeo_version.substr(vo + 9, string::npos).c_str(),"%d.%d.%d",
 765                                                 &v_major, &v_minor, &v_micro) == 3)
 766                         {
 767                                 if (v_major >= 1) v_ok = true;
 768                                 else if (v_major == 0 && v_minor >= 8) v_ok = true;
 769                                 else if (v_major == 0 && v_minor >= 7 && v_micro >= 7) v_ok = true;
 770                         }
 771                 }
 772                 if (!v_ok) {
 773                         _xjadeo_bin = X_("");
 774                         warning << _(
 775                                         "Video-monitor 'xjadeo' is too old. "
 776                                         "Please install xjadeo version 0.7.7 or later. http://xjadeo.sf.net/"
 777                                         ) << endmsg;
 778                 }
 779         }
 780 }
 781
 782 void
 783 VideoTimeLine::open_video_monitor() {
 784         if (!found_xjadeo()) return;
 785         if (!vmonitor) {
 786                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 787                 vmonitor->set_session(_session);
 788                 vmonitor->set_offset(video_offset);
 789                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 790                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 791         } else if (vmonitor->is_started()) {
 792                 return;
 793         }
 794
 795 #if 0
 796         /* unused for now.
 797          * the idea is to selective ignore certain monitor window
 798          * states if xjadeo is not running on the same host as ardour.
 799          * However with the removal of the video-monitor-startup-dialogue
 800          * (git rev 5a4d0fff0) these settings are currently not accessible.
 801          */
 802         int xj_settings_mask = vmonitor->restore_settings_mask();
 803         if (_session) {
 804                 /* load mask from Session */
 805                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 806                 if (node) {
 807                         XMLProperty const * prop = node->property (X_("mask"));
 808                         if (prop) {
 809                                 xj_settings_mask = atoi(prop->value());
 810                         }
 811                 }
 812         }
 813
 814         vmonitor->restore_settings_mask(xj_settings_mask);
 815 #endif
 816
 817         if (!vmonitor->start()) {
 818                 warning << "launching xjadeo failed.." << endmsg;
 819                 close_video_monitor();
 820         } else {
 821                 GuiUpdate("set-xjadeo-active-on");
 822                 vmonitor->set_fps(video_file_fps);
 823                 vmonitor->open(video_filename);
 824
 825                 if (_session) {
 826                         XMLNode* node = _session->extra_xml (X_("Videomonitor"));
 827                         if (node) {
 828                                 XMLProperty const * prop = node->property (X_("active"));
 829                                 if (prop && prop->value() != "yes") _session->set_dirty ();
 830                         } else {
 831                                 _session->set_dirty ();
 832                         }
 833                 }
 834
 835         }
 836 }
 837
 838 void
 839 VideoTimeLine::close_video_monitor() {
 840         if (vmonitor && vmonitor->is_started()) {
 841                 vmonitor->quit();
 842         }
 843 }
 844
 845 void
 846 VideoTimeLine::control_video_monitor(int what, int param) {
 847         if (!vmonitor || !vmonitor->is_started()) {
 848                 return;
 849         }
 850         vmonitor->send_cmd(what, param);
 851 }
 852
 853
 854 void
 855 VideoTimeLine::terminated_video_monitor () {
 856         if (vmonitor) {
 857                 vmonitor->save_session();
 858                 delete vmonitor;
 859         }
 860         vmonitor=0;
 861         GuiUpdate("set-xjadeo-active-off");
 862         if (reopen_vmonitor) {
 863                 reopen_vmonitor=false;
 864                 open_video_monitor();
 865         } else {
 866                 if (_session) {
 867                         _session->set_dirty ();
 868                 }
 869         }
 870 }
 871
 872 void
 873 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 874 {
 875         if (!vmonitor) { return; }
 876         if (!vmonitor->is_started()) { return; }
 877         if (!vmonitor->synced_by_manual_seeks()) { return; }
 878         vmonitor->manual_seek(pos, false, video_offset); // XXX -> set offset in xjadeo
 879 }