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         save_session();
 159         close_video_monitor();
 160
 161         remove_frames();
 162         video_filename = "";
 163         video_duration = 0;
 164         GuiUpdate("set-xjadeo-sensitive-off");
 165 }
 166
 167 /** load settings from session */
 168 void
 169 VideoTimeLine::set_session (ARDOUR::Session *s)
 170 {
 171         SessionHandlePtr::set_session (s);
 172         if (!_session) { return ; }
 173
 174         _session->SaveSession.connect_same_thread (*this, boost::bind (&VideoTimeLine::save_session, this));
 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();
 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::set_offset_locked (bool v) {
 233         if (_session && v != video_offset_lock) {
 234                 _session->set_dirty ();
 235         }
 236         video_offset_lock = v;
 237 }
 238
 239 void
 240 VideoTimeLine::toggle_offset_locked () {
 241         video_offset_lock = !video_offset_lock;
 242         if (_session) {
 243                 _session->set_dirty ();
 244         }
 245 }
 246
 247 void
 248 VideoTimeLine::save_undo ()
 249 {
 250         if (_session && video_offset_p != video_offset) {
 251                 _session->set_dirty ();
 252         }
 253         video_offset_p = video_offset;
 254 }
 255
 256 int
 257 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 258 {
 259         LocaleGuard lg (X_("POSIX"));
 260         const XMLProperty* propoffset = node.property (X_("VideoOffset"));
 261         if (propoffset) {
 262                 video_offset = atoll(propoffset->value().c_str());
 263         }
 264         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 265         return 0;
 266 }
 267
 268 XMLNode&
 269 VideoTimeLine::get_state ()
 270 {
 271         XMLNode* node = new XMLNode (X_("Videotimeline"));
 272         LocaleGuard lg (X_("POSIX"));
 273         node->add_property (X_("VideoOffset"), video_offset_p);
 274         return *node;
 275 }
 276
 277 void
 278 VideoTimeLine::remove_frames ()
 279 {
 280         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 281                 VideoImageFrame *frame = (*i);
 282                 delete frame;
 283                 (*i) = 0;
 284         }
 285         video_frames.clear();
 286 }
 287
 288 VideoImageFrame *
 289 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 290 {
 291         if (vfn==0) cut=0;
 292         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 293                 VideoImageFrame *frame = (*i);
 294                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 295                     && frame->get_rightend() == rightend) { return frame; }
 296         }
 297         return 0;
 298 }
 299
 300 float
 301 VideoTimeLine::get_apv()
 302 {
 303         // XXX: dup code - TODO use this fn in update_video_timeline()
 304         float apv = -1; /* audio frames per video frame; */
 305         if (!_session) return apv;
 306
 307         if (_session->config.get_use_video_file_fps()) {
 308                 if (video_file_fps == 0 ) return apv;
 309         } else {
 310                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 311         }
 312
 313         if (_session->config.get_videotimeline_pullup()) {
 314                 apv = _session->frame_rate();
 315         } else {
 316                 apv = _session->nominal_frame_rate();
 317         }
 318         if (_session->config.get_use_video_file_fps()) {
 319                 apv /= video_file_fps;
 320         } else {
 321                 apv /= _session->timecode_frames_per_second();
 322         }
 323         return apv;
 324 }
 325
 326 void
 327 VideoTimeLine::update_video_timeline()
 328 {
 329         if (!_session) return;
 330
 331         if (_session->config.get_use_video_file_fps()) {
 332                 if (video_file_fps == 0 ) return;
 333         } else {
 334                 if (_session->timecode_frames_per_second() == 0 ) return;
 335         }
 336
 337         double frames_per_unit = editor->unit_to_frame(1.0);
 338         framepos_t leftmost_frame =  editor->leftmost_position();
 339
 340         /* Outline:
 341          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 342          * 2) calculate first frame and distance between video-frames (according to zoom)
 343          * 3) destroy/add frames
 344          * 4) reposition existing frames
 345          * 5) assign framenumber to frames -> request/decode video.
 346          */
 347
 348         /* video-file and session properties */
 349         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 350         float apv; /* audio frames per video frame; */
 351         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 352
 353         /* variables needed to render videotimeline -- what needs to computed first */
 354         framepos_t vtl_start; /* unit: audio-frames ; first displayed video-frame */
 355         framepos_t vtl_dist;  /* unit: audio-frames ; distance between displayed video-frames */
 356         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 357
 358         if (_session->config.get_videotimeline_pullup()) {
 359                 apv = _session->frame_rate();
 360         } else {
 361                 apv = _session->nominal_frame_rate();
 362         }
 363         if (_session->config.get_use_video_file_fps()) {
 364                 apv /= video_file_fps;
 365         } else {
 366                 apv /= _session->timecode_frames_per_second();
 367         }
 368
 369         display_vframe_width = bar_height * video_aspect_ratio;
 370
 371         if (apv > frames_per_unit * display_vframe_width) {
 372                 /* high-zoom: need space between successive video-frames */
 373                 vtl_dist = rint(apv);
 374         } else {
 375                 /* continous timeline: skip video-frames */
 376                 vtl_dist = ceil(display_vframe_width * frames_per_unit / apv) * apv;
 377         }
 378
 379         assert (vtl_dist > 0);
 380         assert (apv > 0);
 381
 382 #define GOFFSET (video_offset)
 383
 384         leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - GOFFSET ) / vtl_dist) * vtl_dist / apv);
 385
 386         vtl_start = rint (GOFFSET + video_start_offset + leftmost_video_frame * apv);
 387         visible_video_frames = 2 + ceil(editor->current_page_frames() / vtl_dist); /* +2 left+right partial frames */
 388
 389         /* expand timeline (cache next/prev page images) */
 390         vtl_start -= visible_video_frames * vtl_dist;
 391         visible_video_frames *=3;
 392
 393         if (vtl_start < GOFFSET ) {
 394                 visible_video_frames += ceil(vtl_start/vtl_dist);
 395                 vtl_start = GOFFSET;
 396         }
 397
 398         /* apply video-file constraints */
 399         if (vtl_start > video_start_offset + video_duration + GOFFSET ) {
 400                 visible_video_frames = 0;
 401         }
 402         /* TODO optimize: compute rather than iterate */
 403         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + GOFFSET) {
 404                 --visible_video_frames;
 405         }
 406
 407         if (flush_frames) {
 408                 remove_frames();
 409                 flush_frames=false;
 410         }
 411
 412         while (video_frames.size() < visible_video_frames) {
 413                 VideoImageFrame *frame;
 414                 frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 415                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 416                 video_frames.push_back(frame);
 417         }
 418
 419         VideoFrames outdated_video_frames;
 420         std::list<int> remaining;
 421
 422         outdated_video_frames = video_frames;
 423
 424 #if 1
 425         /* when zoomed out, ignore shifts by +-1 frame
 426          * which can occur due to rounding errors when
 427          * scrolling to a new leftmost-audio frame.
 428          */
 429         int cut =1;
 430         if (vtl_dist/apv < 3.0) cut =0;
 431 #else
 432         int cut =0;
 433 #endif
 434
 435         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 436                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 437                 framepos_t vframeno = rint ( (vfpos - GOFFSET) / apv); /* unit: video-frames */
 438                 vfpos = (vframeno * apv ) + GOFFSET; /* audio-frame  corresponding to /rounded/ video-frame */
 439
 440                 int rightend = -1; /* unit: pixels */
 441                 if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 442                         rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 443                         //printf("lf(e): %lu\n", vframeno); // XXX
 444                 }
 445                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 446                 if (frame) {
 447                   frame->set_position(vfpos-leftmost_frame);
 448                         outdated_video_frames.remove(frame);
 449                 } else {
 450                         remaining.push_back(vfcount);
 451                 }
 452         }
 453
 454         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 455                 VideoImageFrame *frame = (*i);
 456                 if (remaining.empty()) {
 457                   frame->set_position(-2 * vtl_dist); /* move off screen */
 458                 } else {
 459                         int vfcount=remaining.front();
 460                         remaining.pop_front();
 461                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 462                         framepos_t vframeno = rint ((vfpos - GOFFSET) / apv);  /* unit: video-frames */
 463                         int rightend = -1; /* unit: pixels */
 464                         if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 465                                 rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 466                                 //printf("lf(n): %lu\n", vframeno); // XXX
 467                         }
 468                         frame->set_position(vfpos-leftmost_frame);
 469                         frame->set_videoframe(vframeno, rightend);
 470                 }
 471         }
 472 }
 473
 474 std::string
 475 VideoTimeLine::translated_filename ()
 476 {
 477         if (!local_file){
 478                 return video_filename;
 479         } else {
 480                 return video_map_path(server_docroot, video_filename);
 481         }
 482 }
 483
 484 bool
 485 VideoTimeLine::video_file_info (std::string filename, bool local)
 486 {
 487
 488         local_file = local;
 489         if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
 490                 video_filename = filename;
 491         }  else {
 492                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 493         }
 494
 495         long long int _duration;
 496         double _start_offset;
 497
 498         if (!video_query_info(
 499                         video_server_url, translated_filename(),
 500                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 501                 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;
 502                 return false;
 503         }
 504         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 505         video_start_offset = _start_offset * _session->nominal_frame_rate();
 506
 507         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 508                 switch ((int)floorf(video_file_fps*1000.0)) {
 509                         case 23976:
 510                                 _session->config.set_timecode_format(timecode_23976);
 511                                 break;
 512                         case 24000:
 513                                 _session->config.set_timecode_format(timecode_24);
 514                                 break;
 515                         case 24975:
 516                         case 24976:
 517                                 _session->config.set_timecode_format(timecode_24976);
 518                                 break;
 519                         case 25000:
 520                                 _session->config.set_timecode_format(timecode_25);
 521                                 break;
 522                         case 29970:
 523                                 _session->config.set_timecode_format(timecode_2997drop);
 524                                 break;
 525                         case 30000:
 526                                 _session->config.set_timecode_format(timecode_30);
 527                                 break;
 528                         case 59940:
 529                                 _session->config.set_timecode_format(timecode_5994);
 530                                 break;
 531                         case 60000:
 532                                 _session->config.set_timecode_format(timecode_60);
 533                                 break;
 534                         default:
 535                                 warning << _("Failed to set session-framerate: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
 536                                 break;
 537                 }
 538                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 539         }
 540         if (video_file_fps != _session->timecode_frames_per_second()) {
 541                 warning << _("Video file's framerate is not equal to Ardour session timecode's framerate: ")
 542                         << video_file_fps << _(" vs ") << _session->timecode_frames_per_second() << endmsg;
 543         }
 544         flush_local_cache ();
 545
 546         if (found_xjadeo() && local_file) {
 547                 GuiUpdate("set-xjadeo-sensitive-on");
 548                 if (vmonitor && vmonitor->is_started()) {
 549 #if 1
 550                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 551                          * if the geometry changes to a different line-size alignment
 552                          */
 553                         reopen_vmonitor = true;
 554                         vmonitor->quit();
 555 #else
 556                         vmonitor->set_fps(video_file_fps);
 557                         vmonitor->open(video_filename);
 558 #endif
 559                 }
 560         } else if (!local_file) {
 561 #if 1 /* temp debug/devel message */
 562                 // TODO - call xjremote remotely.
 563                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 564                 GuiUpdate("set-xjadeo-sensitive-off");
 565 #endif
 566         }
 567         VtlUpdate();
 568         return true;
 569 }
 570
 571 bool
 572 VideoTimeLine::check_server ()
 573 {
 574         bool ok = false;
 575         char url[1024];
 576         snprintf(url, sizeof(url), "%s%sstatus"
 577                         , video_server_url.c_str()
 578                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 579                         );
 580         char *res=curl_http_get(url, NULL);
 581         if (res) {
 582                 if (strstr(res, "status: ok, online.")) { ok = true; }
 583                 free(res);
 584         }
 585         return ok;
 586 }
 587
 588 void
 589 VideoTimeLine::gui_update(std::string const & t) {
 590         /* this is to be called via GuiUpdate() only. */
 591         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 592         if (t == "videotimeline-update") {
 593                 editor->queue_visual_videotimeline_update();
 594         } else if (t == "set-xjadeo-active-off") {
 595                 editor->toggle_xjadeo_proc(0);
 596         } else if (t == "set-xjadeo-active-on") {
 597                 editor->toggle_xjadeo_proc(1);
 598         } else if (t == "set-xjadeo-sensitive-on") {
 599                 editor->set_xjadeo_sensitive(true);
 600         } else if (t == "set-xjadeo-sensitive-off") {
 601                 editor->toggle_xjadeo_proc(0);
 602                 //close_video_monitor();
 603                 editor->set_xjadeo_sensitive(false);
 604         } else if (t == "xjadeo-window-ontop-on") {
 605                 editor->toggle_xjadeo_viewoption(1, 1);
 606         } else if (t == "xjadeo-window-ontop-off") {
 607                 editor->toggle_xjadeo_viewoption(1, 0);
 608         } else if (t == "xjadeo-window-osd-timecode-on") {
 609                 editor->toggle_xjadeo_viewoption(2, 1);
 610         } else if (t == "xjadeo-window-osd-timecode-off") {
 611                 editor->toggle_xjadeo_viewoption(2, 0);
 612         } else if (t == "xjadeo-window-osd-frame-on") {
 613                 editor->toggle_xjadeo_viewoption(3, 1);
 614         } else if (t == "xjadeo-window-osd-frame-off") {
 615                 editor->toggle_xjadeo_viewoption(3, 0);
 616         } else if (t == "xjadeo-window-osd-box-on") {
 617                 editor->toggle_xjadeo_viewoption(4, 1);
 618         } else if (t == "xjadeo-window-osd-box-off") {
 619                 editor->toggle_xjadeo_viewoption(4, 0);
 620         } else if (t == "xjadeo-window-fullscreen-on") {
 621                 editor->toggle_xjadeo_viewoption(5, 1);
 622         } else if (t == "xjadeo-window-fullscreen-off") {
 623                 editor->toggle_xjadeo_viewoption(5, 0);
 624         } else if (t == "xjadeo-window-letterbox-on") {
 625                 editor->toggle_xjadeo_viewoption(6, 1);
 626         } else if (t == "xjadeo-window-letterbox-off") {
 627                 editor->toggle_xjadeo_viewoption(6, 0);
 628         }
 629 }
 630
 631 void
 632 VideoTimeLine::set_height (int height) {
 633         if (_session && bar_height != height) {
 634                 _session->set_dirty ();
 635         }
 636         bar_height = height;
 637         flush_local_cache();
 638 }
 639
 640 void
 641 VideoTimeLine::vmon_update () {
 642         if (vmonitor && vmonitor->is_started()) {
 643                 vmonitor->set_offset( GOFFSET); // TODO proper re-init xjadeo w/o restart not just offset.
 644         }
 645 }
 646
 647 void
 648 VideoTimeLine::flush_local_cache () {
 649         flush_frames = true;
 650         vmon_update();
 651 }
 652
 653 void
 654 VideoTimeLine::flush_cache () {
 655         flush_local_cache();
 656         char url[1024];
 657         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 658                         , video_server_url.c_str()
 659                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 660                         );
 661         char *res=curl_http_get(url, NULL);
 662         if (res) {
 663                 free (res);
 664         }
 665         if (vmonitor && vmonitor->is_started()) {
 666                 reopen_vmonitor=true;
 667                 vmonitor->quit();
 668         }
 669         video_file_info(video_filename, local_file);
 670 }
 671
 672 /* config */
 673 void
 674 VideoTimeLine::parameter_changed (std::string const & p)
 675 {
 676         if (p == "video-server-url") {
 677                 set_video_server_url (video_get_server_url(Config));
 678         } else if (p == "video-server-docroot") {
 679                 set_video_server_docroot (video_get_docroot(Config));
 680         } else if (p == "video-advanced-setup") {
 681                 set_video_server_url (video_get_server_url(Config));
 682                 set_video_server_docroot (video_get_docroot(Config));
 683         }
 684         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 685                 VtlUpdate();
 686         }
 687 }
 688
 689 void
 690 VideoTimeLine::set_video_server_url(std::string vsu) {
 691         flush_local_cache ();
 692         video_server_url = vsu;
 693         VtlUpdate();
 694 }
 695
 696 void
 697 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 698         flush_local_cache ();
 699         server_docroot = vsr;
 700         VtlUpdate();
 701 }
 702
 703 /* video-monitor for this timeline */
 704 void
 705 VideoTimeLine::find_xjadeo () {
 706         std::string xjadeo_file_path;
 707         if (getenv("XJREMOTE")) {
 708                 _xjadeo_bin = strdup(getenv("XJREMOTE")); // XXX TODO: free it?!
 709         } else if (find_file_in_search_path (SearchPath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
 710                 _xjadeo_bin = xjadeo_file_path;
 711         }
 712         else if (Glib::file_test(X_("/Applications/Jadeo.app/Contents/MacOS/xjremote"), Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_EXECUTABLE)) {
 713                 _xjadeo_bin = X_("/Applications/Jadeo.app/Contents/MacOS/xjremote");
 714         }
 715         /* TODO: win32: allow to configure PATH to xjremote */
 716         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.exe"), Glib::FILE_TEST_EXISTS)) {
 717                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.exe");
 718         }
 719         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.bat"), Glib::FILE_TEST_EXISTS)) {
 720                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.bat");
 721         }
 722         else  {
 723                 _xjadeo_bin = X_("");
 724                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 725                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 726                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').")
 727                         << endmsg;
 728         }
 729 }
 730
 731 void
 732 VideoTimeLine::open_video_monitor() {
 733         if (!found_xjadeo()) return;
 734         if (!vmonitor) {
 735                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 736                 vmonitor->set_session(_session);
 737                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 738                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 739         } else if (vmonitor->is_started()) {
 740                 return;
 741         }
 742
 743         int xj_settings_mask = vmonitor->restore_settings_mask();
 744         if (_session) {
 745                 /* load mask from Session */
 746                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 747                 if (node) {
 748                         const XMLProperty* prop = node->property (X_("mask"));
 749                         if (prop) {
 750                                 xj_settings_mask = atoi(prop->value().c_str());
 751                         }
 752                 }
 753         }
 754
 755         vmonitor->restore_settings_mask(xj_settings_mask);
 756
 757         if (!vmonitor->start()) {
 758                 warning << "launching xjadeo failed.." << endmsg;
 759                 close_video_monitor();
 760         } else {
 761                 GuiUpdate("set-xjadeo-active-on");
 762                 vmonitor->set_fps(video_file_fps);
 763                 vmonitor->open(video_filename);
 764         }
 765 }
 766
 767 void
 768 VideoTimeLine::close_video_monitor() {
 769         if (vmonitor && vmonitor->is_started()) {
 770                 vmonitor->quit();
 771         }
 772 }
 773
 774 void
 775 VideoTimeLine::control_video_monitor(int what, int param) {
 776         if (!vmonitor || !vmonitor->is_started()) {
 777                 return;
 778         }
 779         vmonitor->send_cmd(what, param);
 780 }
 781
 782
 783 void
 784 VideoTimeLine::terminated_video_monitor () {
 785         if (vmonitor) {
 786                 delete vmonitor;
 787         }
 788         GuiUpdate("set-xjadeo-active-off");
 789         vmonitor=0;
 790   if (reopen_vmonitor) {
 791                 reopen_vmonitor=false;
 792                 open_video_monitor();
 793         }
 794 }
 795
 796 /*
 797 void
 798 VideoTimeLine::clear_video_monitor_session_state ()
 799 {
 800         if (vmonitor) {
 801                 vmonitor->clear_session_state();
 802         } else {
 803           if (!_session) { return; }
 804                 XMLNode* node = new XMLNode(X_("XJSettings"));
 805                 _session->add_extra_xml (*node);
 806                 _session->set_dirty ();
 807         }
 808 }
 809 */
 810
 811 void
 812 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 813 {
 814         if (!vmonitor) { return; }
 815         if (!vmonitor->is_started()) { return; }
 816         if (!vmonitor->synced_by_manual_seeks()) { return; }
 817         vmonitor->manual_seek(pos, false, GOFFSET); // XXX -> set offset in xjadeo
 818 }
 819
 820 #endif /* WITH_VIDEOTIMELINE */