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