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 #ifdef WITH_VIDEOTIMELINE
  21
  22 #include <algorithm>
  23 #include <sigc++/bind.h>
  24 #include "ardour/tempo.h"
  25
  26 #include "pbd/file_utils.h"
  27 #include "ardour/session_directory.h"
  28
  29 #include "ardour_ui.h"
  30 #include "public_editor.h"
  31 #include "gui_thread.h"
  32 #include "utils.h"
  33 #include "canvas_impl.h"
  34 #include "simpleline.h"
  35 #include "utils_videotl.h"
  36 #include "rgb_macros.h"
  37 #include "video_timeline.h"
  38
  39 #include <gtkmm2ext/utils.h>
  40 #include <pthread.h>
  41 #include <curl/curl.h>
  42
  43 #include "i18n.h"
  44
  45 using namespace std;
  46 using namespace ARDOUR;
  47 using namespace PBD;
  48 using namespace Timecode;
  49
  50 VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Group *vbg, int initial_height)
  51         : editor (ed)
  52                 , videotl_bar_group(vbg)
  53                 , bar_height(initial_height)
  54 {
  55         video_start_offset = 0L;
  56         video_offset = 0L;
  57         video_offset_p = 0L;
  58         video_duration = 0L;
  59         auto_set_session_fps = false;
  60         video_offset_lock = false;
  61         video_aspect_ratio = 4.0/3.0;
  62         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
  63         video_server_url = video_get_server_url(Config);
  64         server_docroot   = video_get_docroot(Config);
  65         video_filename = "";
  66         local_file = true;
  67         video_file_fps = 25.0;
  68         flush_frames = false;
  69         vmonitor=0;
  70         reopen_vmonitor=false;
  71         find_xjadeo();
  72
  73         VtlUpdate.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
  74         GuiUpdate.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
  75 }
  76
  77 VideoTimeLine::~VideoTimeLine ()
  78 {
  79         close_session();
  80 }
  81
  82 /* close and save settings */
  83 void
  84 VideoTimeLine::save_session ()
  85 {
  86         if (!_session) {
  87                 return;
  88         }
  89
  90         LocaleGuard lg (X_("POSIX"));
  91
  92         bool is_dirty = false;
  93
  94         XMLNode* prev = _session->extra_xml (X_("Videomonitor"));
  95
  96         /* remember if vmonitor was open.. */
  97         XMLNode* node = new XMLNode(X_("Videomonitor"));
  98
  99         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
 100         if (!prev || !(prev->property (X_("active")) && prev->property (X_("active"))->value() == node->property(X_("active"))->value()) ){
 101                 _session->add_extra_xml (*node);
 102                 is_dirty=true; // TODO not if !prev && value==default
 103         }
 104
 105         /* VTL settings */
 106         node = _session->extra_xml (X_("Videotimeline"));
 107
 108         if (node) {
 109                 if (!(node->property(X_("id")) && node->property(X_("id"))->value() == id().to_s())) {
 110                         node->add_property (X_("id"), id().to_s());
 111                         is_dirty=true;
 112                 }
 113         }
 114
 115         /* remember timeline height.. */
 116         if (node) {
 117                 int h = editor->get_videotl_bar_height();
 118                 if (!(node->property(X_("Height")) && atoi(node->property(X_("Height"))->value().c_str())==h)) {
 119                         node->add_property (X_("Height"), h);
 120                         is_dirty=true;
 121                 }
 122         }
 123
 124         /* save video-offset-lock */
 125         if (node) {
 126                 if (!(node->property(X_("VideoOffsetLock")) && atoi(node->property(X_("VideoOffsetLock"))->value().c_str())==video_offset_lock)) {
 127                         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 128                         is_dirty=true;
 129                 }
 130         }
 131         /* save video-offset */
 132         if (node) {
 133                 if (!(node->property(X_("VideoOffset")) && atoll(node->property(X_("VideoOffset"))->value().c_str())==video_offset)) {
 134                         node->add_property (X_("VideoOffset"), video_offset);
 135                         is_dirty=true;
 136                 }
 137         }
 138
 139         /* save 'auto_set_session_fps' */
 140         if (node) {
 141                 if (!(node->property(X_("AutoFPS")) && atoi(node->property(X_("AutoFPS"))->value().c_str())==auto_set_session_fps)) {
 142                         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 143                         is_dirty=true;
 144                 }
 145         }
 146         if (is_dirty) {
 147                 _session->set_dirty ();
 148         }
 149 }
 150
 151 /* close and save settings */
 152 void
 153 VideoTimeLine::close_session ()
 154 {
 155         if (video_duration == 0) {
 156                 return;
 157         }
 158         sessionsave.disconnect();
 159         save_session();
 160         close_video_monitor();
 161
 162         remove_frames();
 163         video_filename = "";
 164         video_duration = 0;
 165         GuiUpdate("set-xjadeo-sensitive-off");
 166 }
 167
 168 /** load settings from session */
 169 void
 170 VideoTimeLine::set_session (ARDOUR::Session *s)
 171 {
 172         SessionHandlePtr::set_session (s);
 173         if (!_session) { return ; }
 174
 175         _session->SaveSession.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
 176         LocaleGuard lg (X_("POSIX"));
 177
 178         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 179
 180         if (!node || !node->property (X_("Filename"))) {
 181                 return;
 182         }
 183
 184         if (node) {
 185                 ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 186
 187                 set_id(*node);
 188
 189                 const XMLProperty* proph = node->property (X_("Height"));
 190                 if (proph) {
 191                         editor->set_video_timeline_height(atoi(proph->value().c_str()));
 192                 }
 193 #if 0 /* TODO THINK: set FPS first time only ?! */
 194                 const XMLProperty* propasfps = node->property (X_("AutoFPS"));
 195                 if (propasfps) {
 196                         auto_set_session_fps = atoi(propasfps->value().c_str())?true:false;
 197                 }
 198 #endif
 199
 200                 const XMLProperty* propoffset = node->property (X_("VideoOffset"));
 201                 if (propoffset) {
 202                         video_offset = atoll(propoffset->value().c_str());
 203                         video_offset_p = video_offset;
 204                 }
 205
 206                 const XMLProperty* proplock = node->property (X_("VideoOffsetLock"));
 207                 if (proplock) {
 208                         video_offset_lock = atoi(proplock->value().c_str())?true:false;
 209                 }
 210
 211                 const XMLProperty* localfile = node->property (X_("LocalFile"));
 212                 if (localfile) {
 213                         local_file = atoi(localfile->value().c_str())?true:false;
 214                 }
 215
 216                 const XMLProperty* propf = node->property (X_("Filename"));
 217                 video_file_info(propf->value(), local_file);
 218         }
 219
 220         node = _session->extra_xml (X_("Videomonitor"));
 221         if (node) {
 222                 const XMLProperty* prop = node->property (X_("active"));
 223                 if (prop && prop->value() == "yes" && found_xjadeo() && !video_filename.empty() && local_file) {
 224                         open_video_monitor();
 225                 }
 226         }
 227
 228         _session->register_with_memento_command_factory(id(), this);
 229         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 230 }
 231
 232 void
 233 VideoTimeLine::set_offset_locked (bool v) {
 234         if (_session && v != video_offset_lock) {
 235                 _session->set_dirty ();
 236         }
 237         video_offset_lock = v;
 238 }
 239
 240 void
 241 VideoTimeLine::toggle_offset_locked () {
 242         video_offset_lock = !video_offset_lock;
 243         if (_session) {
 244                 _session->set_dirty ();
 245         }
 246 }
 247
 248 void
 249 VideoTimeLine::save_undo ()
 250 {
 251         if (_session && video_offset_p != video_offset) {
 252                 _session->set_dirty ();
 253         }
 254         video_offset_p = video_offset;
 255 }
 256
 257 int
 258 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 259 {
 260         LocaleGuard lg (X_("POSIX"));
 261         const XMLProperty* propoffset = node.property (X_("VideoOffset"));
 262         if (propoffset) {
 263                 video_offset = atoll(propoffset->value().c_str());
 264         }
 265         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 266         return 0;
 267 }
 268
 269 XMLNode&
 270 VideoTimeLine::get_state ()
 271 {
 272         XMLNode* node = new XMLNode (X_("Videotimeline"));
 273         LocaleGuard lg (X_("POSIX"));
 274         node->add_property (X_("VideoOffset"), video_offset_p);
 275         return *node;
 276 }
 277
 278 void
 279 VideoTimeLine::remove_frames ()
 280 {
 281         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 282                 VideoImageFrame *frame = (*i);
 283                 delete frame;
 284                 (*i) = 0;
 285         }
 286         video_frames.clear();
 287 }
 288
 289 VideoImageFrame *
 290 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 291 {
 292         if (vfn==0) cut=0;
 293         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 294                 VideoImageFrame *frame = (*i);
 295                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 296                     && frame->get_rightend() == rightend) { return frame; }
 297         }
 298         return 0;
 299 }
 300
 301 float
 302 VideoTimeLine::get_apv()
 303 {
 304         // XXX: dup code - TODO use this fn in update_video_timeline()
 305         float apv = -1; /* audio frames per video frame; */
 306         if (!_session) return apv;
 307
 308         if (_session->config.get_use_video_file_fps()) {
 309                 if (video_file_fps == 0 ) return apv;
 310         } else {
 311                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 312         }
 313
 314         if (_session->config.get_videotimeline_pullup()) {
 315                 apv = _session->frame_rate();
 316         } else {
 317                 apv = _session->nominal_frame_rate();
 318         }
 319         if (_session->config.get_use_video_file_fps()) {
 320                 apv /= video_file_fps;
 321         } else {
 322                 apv /= _session->timecode_frames_per_second();
 323         }
 324         return apv;
 325 }
 326
 327 void
 328 VideoTimeLine::update_video_timeline()
 329 {
 330         if (!_session) return;
 331
 332         if (_session->config.get_use_video_file_fps()) {
 333                 if (video_file_fps == 0 ) return;
 334         } else {
 335                 if (_session->timecode_frames_per_second() == 0 ) return;
 336         }
 337
 338         double frames_per_unit = editor->unit_to_frame(1.0);
 339         framepos_t leftmost_frame =  editor->leftmost_position();
 340
 341         /* Outline:
 342          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 343          * 2) calculate first frame and distance between video-frames (according to zoom)
 344          * 3) destroy/add frames
 345          * 4) reposition existing frames
 346          * 5) assign framenumber to frames -> request/decode video.
 347          */
 348
 349         /* video-file and session properties */
 350         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 351         float apv; /* audio frames per video frame; */
 352         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 353
 354         /* variables needed to render videotimeline -- what needs to computed first */
 355         framepos_t vtl_start; /* unit: audio-frames ; first displayed video-frame */
 356         framepos_t vtl_dist;  /* unit: audio-frames ; distance between displayed video-frames */
 357         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 358
 359         if (_session->config.get_videotimeline_pullup()) {
 360                 apv = _session->frame_rate();
 361         } else {
 362                 apv = _session->nominal_frame_rate();
 363         }
 364         if (_session->config.get_use_video_file_fps()) {
 365                 apv /= video_file_fps;
 366         } else {
 367                 apv /= _session->timecode_frames_per_second();
 368         }
 369
 370         display_vframe_width = bar_height * video_aspect_ratio;
 371
 372         if (apv > frames_per_unit * display_vframe_width) {
 373                 /* high-zoom: need space between successive video-frames */
 374                 vtl_dist = rint(apv);
 375         } else {
 376                 /* continous timeline: skip video-frames */
 377                 vtl_dist = ceil(display_vframe_width * frames_per_unit / apv) * apv;
 378         }
 379
 380         assert (vtl_dist > 0);
 381         assert (apv > 0);
 382
 383 #define GOFFSET (video_offset)
 384
 385         leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - GOFFSET ) / vtl_dist) * vtl_dist / apv);
 386
 387         vtl_start = rint (GOFFSET + video_start_offset + leftmost_video_frame * apv);
 388         visible_video_frames = 2 + ceil(editor->current_page_frames() / vtl_dist); /* +2 left+right partial frames */
 389
 390         /* expand timeline (cache next/prev page images) */
 391         vtl_start -= visible_video_frames * vtl_dist;
 392         visible_video_frames *=3;
 393
 394         if (vtl_start < GOFFSET ) {
 395                 visible_video_frames += ceil(vtl_start/vtl_dist);
 396                 vtl_start = GOFFSET;
 397         }
 398
 399         /* apply video-file constraints */
 400         if (vtl_start > video_start_offset + video_duration + GOFFSET ) {
 401                 visible_video_frames = 0;
 402         }
 403         /* TODO optimize: compute rather than iterate */
 404         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + GOFFSET) {
 405                 --visible_video_frames;
 406         }
 407
 408         if (flush_frames) {
 409                 remove_frames();
 410                 flush_frames=false;
 411         }
 412
 413         while (video_frames.size() < visible_video_frames) {
 414                 VideoImageFrame *frame;
 415                 frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 416                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 417                 video_frames.push_back(frame);
 418         }
 419
 420         VideoFrames outdated_video_frames;
 421         std::list<int> remaining;
 422
 423         outdated_video_frames = video_frames;
 424
 425 #if 1
 426         /* when zoomed out, ignore shifts by +-1 frame
 427          * which can occur due to rounding errors when
 428          * scrolling to a new leftmost-audio frame.
 429          */
 430         int cut =1;
 431         if (vtl_dist/apv < 3.0) cut =0;
 432 #else
 433         int cut =0;
 434 #endif
 435
 436         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 437                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 438                 framepos_t vframeno = rint ( (vfpos - GOFFSET) / apv); /* unit: video-frames */
 439                 vfpos = (vframeno * apv ) + GOFFSET; /* audio-frame  corresponding to /rounded/ video-frame */
 440
 441                 int rightend = -1; /* unit: pixels */
 442                 if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 443                         rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 444                         //printf("lf(e): %lu\n", vframeno); // XXX
 445                 }
 446                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 447                 if (frame) {
 448                   frame->set_position(vfpos-leftmost_frame);
 449                         outdated_video_frames.remove(frame);
 450                 } else {
 451                         remaining.push_back(vfcount);
 452                 }
 453         }
 454
 455         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 456                 VideoImageFrame *frame = (*i);
 457                 if (remaining.empty()) {
 458                   frame->set_position(-2 * vtl_dist); /* move off screen */
 459                 } else {
 460                         int vfcount=remaining.front();
 461                         remaining.pop_front();
 462                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 463                         framepos_t vframeno = rint ((vfpos - GOFFSET) / apv);  /* unit: video-frames */
 464                         int rightend = -1; /* unit: pixels */
 465                         if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 466                                 rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 467                                 //printf("lf(n): %lu\n", vframeno); // XXX
 468                         }
 469                         frame->set_position(vfpos-leftmost_frame);
 470                         frame->set_videoframe(vframeno, rightend);
 471                 }
 472         }
 473 }
 474
 475 std::string
 476 VideoTimeLine::translated_filename ()
 477 {
 478         if (!local_file){
 479                 return video_filename;
 480         } else {
 481                 return video_map_path(server_docroot, video_filename);
 482         }
 483 }
 484
 485 bool
 486 VideoTimeLine::video_file_info (std::string filename, bool local)
 487 {
 488
 489         local_file = local;
 490         if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
 491                 video_filename = filename;
 492         }  else {
 493                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 494         }
 495
 496         long long int _duration;
 497         double _start_offset;
 498
 499         if (!video_query_info(
 500                         video_server_url, translated_filename(),
 501                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 502                 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;
 503                 return false;
 504         }
 505         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 506         video_start_offset = _start_offset * _session->nominal_frame_rate();
 507
 508         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 509                 switch ((int)floorf(video_file_fps*1000.0)) {
 510                         case 23976:
 511                                 _session->config.set_timecode_format(timecode_23976);
 512                                 break;
 513                         case 24000:
 514                                 _session->config.set_timecode_format(timecode_24);
 515                                 break;
 516                         case 24975:
 517                         case 24976:
 518                                 _session->config.set_timecode_format(timecode_24976);
 519                                 break;
 520                         case 25000:
 521                                 _session->config.set_timecode_format(timecode_25);
 522                                 break;
 523                         case 29970:
 524                                 _session->config.set_timecode_format(timecode_2997drop);
 525                                 break;
 526                         case 30000:
 527                                 _session->config.set_timecode_format(timecode_30);
 528                                 break;
 529                         case 59940:
 530                                 _session->config.set_timecode_format(timecode_5994);
 531                                 break;
 532                         case 60000:
 533                                 _session->config.set_timecode_format(timecode_60);
 534                                 break;
 535                         default:
 536                                 warning << _("Failed to set session-framerate: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
 537                                 break;
 538                 }
 539                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 540         }
 541         if (video_file_fps != _session->timecode_frames_per_second()) {
 542                 warning << _("Video file's framerate is not equal to Ardour session timecode's framerate: ")
 543                         << video_file_fps << _(" vs ") << _session->timecode_frames_per_second() << endmsg;
 544         }
 545         flush_local_cache ();
 546
 547         if (found_xjadeo() && local_file) {
 548                 GuiUpdate("set-xjadeo-sensitive-on");
 549                 if (vmonitor && vmonitor->is_started()) {
 550 #if 1
 551                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 552                          * if the geometry changes to a different line-size alignment
 553                          */
 554                         reopen_vmonitor = true;
 555                         vmonitor->quit();
 556 #else
 557                         vmonitor->set_fps(video_file_fps);
 558                         vmonitor->open(video_filename);
 559 #endif
 560                 }
 561         } else if (!local_file) {
 562 #if 1 /* temp debug/devel message */
 563                 // TODO - call xjremote remotely.
 564                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 565                 GuiUpdate("set-xjadeo-sensitive-off");
 566 #endif
 567         }
 568         VtlUpdate();
 569         return true;
 570 }
 571
 572 bool
 573 VideoTimeLine::check_server ()
 574 {
 575         bool ok = false;
 576         char url[1024];
 577         snprintf(url, sizeof(url), "%s%sstatus"
 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=curl_http_get(url, NULL);
 582         if (res) {
 583                 if (strstr(res, "status: ok, online.")) { ok = true; }
 584                 free(res);
 585         }
 586         return ok;
 587 }
 588
 589 void
 590 VideoTimeLine::gui_update(std::string const & t) {
 591         /* this is to be called via GuiUpdate() only. */
 592         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 593         if (t == "videotimeline-update") {
 594                 editor->queue_visual_videotimeline_update();
 595         } else if (t == "set-xjadeo-active-off") {
 596                 editor->toggle_xjadeo_proc(0);
 597         } else if (t == "set-xjadeo-active-on") {
 598                 editor->toggle_xjadeo_proc(1);
 599         } else if (t == "set-xjadeo-sensitive-on") {
 600                 editor->set_xjadeo_sensitive(true);
 601         } else if (t == "set-xjadeo-sensitive-off") {
 602                 editor->toggle_xjadeo_proc(0);
 603                 //close_video_monitor();
 604                 editor->set_xjadeo_sensitive(false);
 605         } else if (t == "xjadeo-window-ontop-on") {
 606                 editor->toggle_xjadeo_viewoption(1, 1);
 607         } else if (t == "xjadeo-window-ontop-off") {
 608                 editor->toggle_xjadeo_viewoption(1, 0);
 609         } else if (t == "xjadeo-window-osd-timecode-on") {
 610                 editor->toggle_xjadeo_viewoption(2, 1);
 611         } else if (t == "xjadeo-window-osd-timecode-off") {
 612                 editor->toggle_xjadeo_viewoption(2, 0);
 613         } else if (t == "xjadeo-window-osd-frame-on") {
 614                 editor->toggle_xjadeo_viewoption(3, 1);
 615         } else if (t == "xjadeo-window-osd-frame-off") {
 616                 editor->toggle_xjadeo_viewoption(3, 0);
 617         } else if (t == "xjadeo-window-osd-box-on") {
 618                 editor->toggle_xjadeo_viewoption(4, 1);
 619         } else if (t == "xjadeo-window-osd-box-off") {
 620                 editor->toggle_xjadeo_viewoption(4, 0);
 621         } else if (t == "xjadeo-window-fullscreen-on") {
 622                 editor->toggle_xjadeo_viewoption(5, 1);
 623         } else if (t == "xjadeo-window-fullscreen-off") {
 624                 editor->toggle_xjadeo_viewoption(5, 0);
 625         } else if (t == "xjadeo-window-letterbox-on") {
 626                 editor->toggle_xjadeo_viewoption(6, 1);
 627         } else if (t == "xjadeo-window-letterbox-off") {
 628                 editor->toggle_xjadeo_viewoption(6, 0);
 629         }
 630 }
 631
 632 void
 633 VideoTimeLine::set_height (int height) {
 634         if (_session && bar_height != height) {
 635                 _session->set_dirty ();
 636         }
 637         bar_height = height;
 638         flush_local_cache();
 639 }
 640
 641 void
 642 VideoTimeLine::vmon_update () {
 643         if (vmonitor && vmonitor->is_started()) {
 644                 vmonitor->set_offset( GOFFSET); // TODO proper re-init xjadeo w/o restart not just offset.
 645         }
 646 }
 647
 648 void
 649 VideoTimeLine::flush_local_cache () {
 650         flush_frames = true;
 651         vmon_update();
 652 }
 653
 654 void
 655 VideoTimeLine::flush_cache () {
 656         flush_local_cache();
 657         char url[1024];
 658         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 659                         , video_server_url.c_str()
 660                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 661                         );
 662         char *res=curl_http_get(url, NULL);
 663         if (res) {
 664                 free (res);
 665         }
 666         if (vmonitor && vmonitor->is_started()) {
 667                 reopen_vmonitor=true;
 668                 vmonitor->quit();
 669         }
 670         video_file_info(video_filename, local_file);
 671 }
 672
 673 /* config */
 674 void
 675 VideoTimeLine::parameter_changed (std::string const & p)
 676 {
 677         if (p == "video-server-url") {
 678                 set_video_server_url (video_get_server_url(Config));
 679         } else if (p == "video-server-docroot") {
 680                 set_video_server_docroot (video_get_docroot(Config));
 681         } else if (p == "video-advanced-setup") {
 682                 set_video_server_url (video_get_server_url(Config));
 683                 set_video_server_docroot (video_get_docroot(Config));
 684         }
 685         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 686                 VtlUpdate();
 687         }
 688 }
 689
 690 void
 691 VideoTimeLine::set_video_server_url(std::string vsu) {
 692         flush_local_cache ();
 693         video_server_url = vsu;
 694         VtlUpdate();
 695 }
 696
 697 void
 698 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 699         flush_local_cache ();
 700         server_docroot = vsr;
 701         VtlUpdate();
 702 }
 703
 704 /* video-monitor for this timeline */
 705 void
 706 VideoTimeLine::find_xjadeo () {
 707         std::string xjadeo_file_path;
 708         if (getenv("XJREMOTE")) {
 709                 _xjadeo_bin = strdup(getenv("XJREMOTE")); // XXX TODO: free it?!
 710         } else if (find_file_in_search_path (SearchPath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
 711                 _xjadeo_bin = xjadeo_file_path;
 712         }
 713         else if (Glib::file_test(X_("/Applications/Jadeo.app/Contents/MacOS/xjremote"), Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_EXECUTABLE)) {
 714                 _xjadeo_bin = X_("/Applications/Jadeo.app/Contents/MacOS/xjremote");
 715         }
 716         /* TODO: win32: allow to configure PATH to xjremote */
 717         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.exe"), Glib::FILE_TEST_EXISTS)) {
 718                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.exe");
 719         }
 720         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.bat"), Glib::FILE_TEST_EXISTS)) {
 721                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.bat");
 722         }
 723         else  {
 724                 _xjadeo_bin = X_("");
 725                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 726                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 727                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').")
 728                         << endmsg;
 729         }
 730 }
 731
 732 void
 733 VideoTimeLine::open_video_monitor() {
 734         if (!found_xjadeo()) return;
 735         if (!vmonitor) {
 736                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 737                 vmonitor->set_session(_session);
 738                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 739                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 740         } else if (vmonitor->is_started()) {
 741                 return;
 742         }
 743
 744         int xj_settings_mask = vmonitor->restore_settings_mask();
 745         if (_session) {
 746                 /* load mask from Session */
 747                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 748                 if (node) {
 749                         const XMLProperty* prop = node->property (X_("mask"));
 750                         if (prop) {
 751                                 xj_settings_mask = atoi(prop->value().c_str());
 752                         }
 753                 }
 754         }
 755
 756         vmonitor->restore_settings_mask(xj_settings_mask);
 757
 758         if (!vmonitor->start()) {
 759                 warning << "launching xjadeo failed.." << endmsg;
 760                 close_video_monitor();
 761         } else {
 762                 GuiUpdate("set-xjadeo-active-on");
 763                 vmonitor->set_fps(video_file_fps);
 764                 vmonitor->open(video_filename);
 765         }
 766 }
 767
 768 void
 769 VideoTimeLine::close_video_monitor() {
 770         if (vmonitor && vmonitor->is_started()) {
 771                 vmonitor->quit();
 772         }
 773 }
 774
 775 void
 776 VideoTimeLine::control_video_monitor(int what, int param) {
 777         if (!vmonitor || !vmonitor->is_started()) {
 778                 return;
 779         }
 780         vmonitor->send_cmd(what, param);
 781 }
 782
 783
 784 void
 785 VideoTimeLine::terminated_video_monitor () {
 786         if (vmonitor) {
 787                 delete vmonitor;
 788         }
 789         GuiUpdate("set-xjadeo-active-off");
 790         vmonitor=0;
 791   if (reopen_vmonitor) {
 792                 reopen_vmonitor=false;
 793                 open_video_monitor();
 794         }
 795 }
 796
 797 /*
 798 void
 799 VideoTimeLine::clear_video_monitor_session_state ()
 800 {
 801         if (vmonitor) {
 802                 vmonitor->clear_session_state();
 803         } else {
 804           if (!_session) { return; }
 805                 XMLNode* node = new XMLNode(X_("XJSettings"));
 806                 _session->add_extra_xml (*node);
 807                 _session->set_dirty ();
 808         }
 809 }
 810 */
 811
 812 void
 813 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 814 {
 815         if (!vmonitor) { return; }
 816         if (!vmonitor->is_started()) { return; }
 817         if (!vmonitor->synced_by_manual_seeks()) { return; }
 818         vmonitor->manual_seek(pos, false, GOFFSET); // XXX -> set offset in xjadeo
 819 }
 820
 821 #endif /* WITH_VIDEOTIMELINE */