gtk2_ardour/video_timeline.cc

   1 /*
   2     Copyright (C) 2010 Paul Davis
   3     Author: Robin Gareus <robin@gareus.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20 #include <algorithm>
  21 #include <sigc++/bind.h>
  22 #include "ardour/tempo.h"
  23
  24 #include "pbd/file_utils.h"
  25 #include "pbd/convert.h"
  26 #include "ardour/session_directory.h"
  27
  28 #include "ardour_ui.h"
  29 #include "public_editor.h"
  30 #include "gui_thread.h"
  31 #include "utils.h"
  32 #include "canvas_impl.h"
  33 #include "simpleline.h"
  34 #include "utils_videotl.h"
  35 #include "rgb_macros.h"
  36 #include "video_timeline.h"
  37
  38 #include <gtkmm2ext/utils.h>
  39 #include <pthread.h>
  40 #include <curl/curl.h>
  41
  42 #include "i18n.h"
  43
  44 using namespace std;
  45 using namespace ARDOUR;
  46 using namespace PBD;
  47 using namespace Timecode;
  48 using namespace VideoUtils;
  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         XMLNode* node = new XMLNode(X_("Videomonitor"));
  93         if (!node) return;
  94         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
  95         _session->add_extra_xml (*node);
  96
  97         if (vmonitor) {
  98                 if (vmonitor->is_started()) {
  99                         vmonitor->query_full_state(true);
 100                 }
 101                 vmonitor->save_session();
 102         }
 103
 104         /* VTL settings */
 105         node = _session->extra_xml (X_("Videotimeline"));
 106         if (!node) return;
 107         node->add_property (X_("id"), id().to_s());
 108         node->add_property (X_("Height"), editor->get_videotl_bar_height());
 109         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 110         node->add_property (X_("VideoOffset"), video_offset);
 111         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 112 }
 113
 114 /* close and save settings */
 115 void
 116 VideoTimeLine::close_session ()
 117 {
 118         if (video_duration == 0) {
 119                 return;
 120         }
 121         sessionsave.disconnect();
 122         close_video_monitor();
 123
 124         remove_frames();
 125         video_filename = "";
 126         video_duration = 0;
 127         GuiUpdate("set-xjadeo-sensitive-off");
 128         GuiUpdate("video-unavailable");
 129 }
 130
 131 void
 132 VideoTimeLine::sync_session_state ()
 133 {
 134         if (!_session || !vmonitor || !vmonitor->is_started()) {
 135                 return;
 136         }
 137         save_session();
 138 }
 139
 140 /** load settings from session */
 141 void
 142 VideoTimeLine::set_session (ARDOUR::Session *s)
 143 {
 144         SessionHandlePtr::set_session (s);
 145         if (!_session) { return ; }
 146
 147         _session->SaveSession.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
 148         LocaleGuard lg (X_("POSIX"));
 149
 150         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 151
 152         if (!node || !node->property (X_("Filename"))) {
 153                 return;
 154         }
 155
 156         ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 157
 158         set_id(*node);
 159
 160         const XMLProperty* proph = node->property (X_("Height"));
 161         if (proph) {
 162                 editor->set_video_timeline_height(atoi(proph->value()));
 163         }
 164 #if 0 /* TODO THINK: set FPS first time only ?! */
 165         const XMLProperty* propasfps = node->property (X_("AutoFPS"));
 166         if (propasfps) {
 167                 auto_set_session_fps = atoi(propasfps->value())?true:false;
 168         }
 169 #endif
 170
 171         const XMLProperty* propoffset = node->property (X_("VideoOffset"));
 172         if (propoffset) {
 173                 video_offset = atoll(propoffset->value());
 174                 video_offset_p = video_offset;
 175         }
 176
 177         const XMLProperty* proplock = node->property (X_("VideoOffsetLock"));
 178         if (proplock) {
 179                 video_offset_lock = atoi(proplock->value())?true:false;
 180         }
 181
 182         const XMLProperty* localfile = node->property (X_("LocalFile"));
 183         if (localfile) {
 184                 local_file = atoi(localfile->value())?true:false;
 185         }
 186
 187         const XMLProperty* propf = node->property (X_("Filename"));
 188         video_file_info(propf->value(), local_file);
 189
 190         if ((node = _session->extra_xml (X_("Videomonitor")))) {
 191                 const XMLProperty* prop = node->property (X_("active"));
 192                 if (prop && prop->value() == "yes" && found_xjadeo() && !video_filename.empty() && local_file) {
 193                         open_video_monitor();
 194                 }
 195         }
 196
 197         _session->register_with_memento_command_factory(id(), this);
 198         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 199 }
 200
 201 void
 202 VideoTimeLine::set_offset_locked (bool v) {
 203         if (_session && v != video_offset_lock) {
 204                 _session->set_dirty ();
 205         }
 206         video_offset_lock = v;
 207 }
 208
 209 void
 210 VideoTimeLine::toggle_offset_locked () {
 211         video_offset_lock = !video_offset_lock;
 212         if (_session) {
 213                 _session->set_dirty ();
 214         }
 215 }
 216
 217 void
 218 VideoTimeLine::save_undo ()
 219 {
 220         if (_session && video_offset_p != video_offset) {
 221                 _session->set_dirty ();
 222         }
 223         video_offset_p = video_offset;
 224 }
 225
 226 int
 227 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 228 {
 229         LocaleGuard lg (X_("POSIX"));
 230         const XMLProperty* propoffset = node.property (X_("VideoOffset"));
 231         if (propoffset) {
 232                 video_offset = atoll(propoffset->value());
 233         }
 234         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 235         return 0;
 236 }
 237
 238 XMLNode&
 239 VideoTimeLine::get_state ()
 240 {
 241         XMLNode* node = new XMLNode (X_("Videotimeline"));
 242         LocaleGuard lg (X_("POSIX"));
 243         node->add_property (X_("VideoOffset"), video_offset_p);
 244         return *node;
 245 }
 246
 247 void
 248 VideoTimeLine::remove_frames ()
 249 {
 250         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 251                 VideoImageFrame *frame = (*i);
 252                 delete frame;
 253                 (*i) = 0;
 254         }
 255         video_frames.clear();
 256 }
 257
 258 VideoImageFrame *
 259 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 260 {
 261         if (vfn==0) cut=0;
 262         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 263                 VideoImageFrame *frame = (*i);
 264                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 265                     && frame->get_rightend() == rightend) { return frame; }
 266         }
 267         return 0;
 268 }
 269
 270 float
 271 VideoTimeLine::get_apv()
 272 {
 273         // XXX: dup code - TODO use this fn in update_video_timeline()
 274         float apv = -1; /* audio frames per video frame; */
 275         if (!_session) return apv;
 276
 277         if (_session->config.get_use_video_file_fps()) {
 278                 if (video_file_fps == 0 ) return apv;
 279         } else {
 280                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 281         }
 282
 283         if (_session->config.get_videotimeline_pullup()) {
 284                 apv = _session->frame_rate();
 285         } else {
 286                 apv = _session->nominal_frame_rate();
 287         }
 288         if (_session->config.get_use_video_file_fps()) {
 289                 apv /= video_file_fps;
 290         } else {
 291                 apv /= _session->timecode_frames_per_second();
 292         }
 293         return apv;
 294 }
 295
 296 void
 297 VideoTimeLine::update_video_timeline()
 298 {
 299         if (!_session) return;
 300
 301         if (_session->config.get_use_video_file_fps()) {
 302                 if (video_file_fps == 0 ) return;
 303         } else {
 304                 if (_session->timecode_frames_per_second() == 0 ) return;
 305         }
 306
 307         double frames_per_unit = editor->unit_to_frame(1.0);
 308         framepos_t leftmost_frame =  editor->leftmost_position();
 309
 310         /* Outline:
 311          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 312          * 2) calculate first frame and distance between video-frames (according to zoom)
 313          * 3) destroy/add frames
 314          * 4) reposition existing frames
 315          * 5) assign framenumber to frames -> request/decode video.
 316          */
 317
 318         /* video-file and session properties */
 319         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 320         float apv; /* audio frames per video frame; */
 321         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 322
 323         /* variables needed to render videotimeline -- what needs to computed first */
 324         framepos_t vtl_start; /* unit: audio-frames ; first displayed video-frame */
 325         framepos_t vtl_dist;  /* unit: audio-frames ; distance between displayed video-frames */
 326         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 327
 328         if (_session->config.get_videotimeline_pullup()) {
 329                 apv = _session->frame_rate();
 330         } else {
 331                 apv = _session->nominal_frame_rate();
 332         }
 333         if (_session->config.get_use_video_file_fps()) {
 334                 apv /= video_file_fps;
 335         } else {
 336                 apv /= _session->timecode_frames_per_second();
 337         }
 338
 339         display_vframe_width = bar_height * video_aspect_ratio;
 340
 341         if (apv > frames_per_unit * display_vframe_width) {
 342                 /* high-zoom: need space between successive video-frames */
 343                 vtl_dist = rint(apv);
 344         } else {
 345                 /* continous timeline: skip video-frames */
 346                 vtl_dist = ceil(display_vframe_width * frames_per_unit / apv) * apv;
 347         }
 348
 349         assert (vtl_dist > 0);
 350         assert (apv > 0);
 351
 352         leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - video_offset ) / vtl_dist) * vtl_dist / apv);
 353
 354         vtl_start = rint (video_offset + video_start_offset + leftmost_video_frame * apv);
 355         visible_video_frames = 2 + ceil(editor->current_page_frames() / vtl_dist); /* +2 left+right partial frames */
 356
 357         /* expand timeline (cache next/prev page images) */
 358         vtl_start -= visible_video_frames * vtl_dist;
 359         visible_video_frames *=3;
 360
 361         if (vtl_start < video_offset ) {
 362                 visible_video_frames += ceil(vtl_start/vtl_dist);
 363                 vtl_start = video_offset;
 364         }
 365
 366         /* apply video-file constraints */
 367         if (vtl_start > video_start_offset + video_duration + video_offset ) {
 368                 visible_video_frames = 0;
 369         }
 370         /* TODO optimize: compute rather than iterate */
 371         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + video_offset) {
 372                 --visible_video_frames;
 373         }
 374
 375         if (flush_frames) {
 376                 remove_frames();
 377                 flush_frames=false;
 378         }
 379
 380         while (video_frames.size() < visible_video_frames) {
 381                 VideoImageFrame *frame;
 382                 frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 383                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 384                 video_frames.push_back(frame);
 385         }
 386
 387         VideoFrames outdated_video_frames;
 388         std::list<int> remaining;
 389
 390         outdated_video_frames = video_frames;
 391
 392 #if 1
 393         /* when zoomed out, ignore shifts by +-1 frame
 394          * which can occur due to rounding errors when
 395          * scrolling to a new leftmost-audio frame.
 396          */
 397         int cut =1;
 398         if (vtl_dist/apv < 3.0) cut =0;
 399 #else
 400         int cut =0;
 401 #endif
 402
 403         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 404                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 405                 framepos_t vframeno = rint ( (vfpos - video_offset) / apv); /* unit: video-frames */
 406                 vfpos = (vframeno * apv ) + video_offset; /* audio-frame  corresponding to /rounded/ video-frame */
 407
 408                 int rightend = -1; /* unit: pixels */
 409                 if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 410                         rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 411                         //printf("lf(e): %lu\n", vframeno); // XXX
 412                 }
 413                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 414                 if (frame) {
 415                   frame->set_position(vfpos-leftmost_frame);
 416                         outdated_video_frames.remove(frame);
 417                 } else {
 418                         remaining.push_back(vfcount);
 419                 }
 420         }
 421
 422         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 423                 VideoImageFrame *frame = (*i);
 424                 if (remaining.empty()) {
 425                   frame->set_position(-2 * vtl_dist); /* move off screen */
 426                 } else {
 427                         int vfcount=remaining.front();
 428                         remaining.pop_front();
 429                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 430                         framepos_t vframeno = rint ((vfpos - video_offset) / apv);  /* unit: video-frames */
 431                         int rightend = -1; /* unit: pixels */
 432                         if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 433                                 rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 434                                 //printf("lf(n): %lu\n", vframeno); // XXX
 435                         }
 436                         frame->set_position(vfpos-leftmost_frame);
 437                         frame->set_videoframe(vframeno, rightend);
 438                 }
 439         }
 440 }
 441
 442 std::string
 443 VideoTimeLine::translated_filename ()
 444 {
 445         if (!local_file){
 446                 return video_filename;
 447         } else {
 448                 return video_map_path(server_docroot, video_filename);
 449         }
 450 }
 451
 452 bool
 453 VideoTimeLine::video_file_info (std::string filename, bool local)
 454 {
 455
 456         local_file = local;
 457         if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
 458                 video_filename = filename;
 459         }  else {
 460                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 461         }
 462
 463         long long int _duration;
 464         double _start_offset;
 465
 466         if (!video_query_info(
 467                         video_server_url, translated_filename(),
 468                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 469                 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;
 470                 video_duration = 0;
 471                 GuiUpdate("set-xjadeo-sensitive-off");
 472                 GuiUpdate("video-unavailable");
 473                 return false;
 474         }
 475         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 476         video_start_offset = _start_offset * _session->nominal_frame_rate();
 477
 478         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 479                 switch ((int)floorf(video_file_fps*1000.0)) {
 480                         case 23976:
 481                                 _session->config.set_timecode_format(timecode_23976);
 482                                 break;
 483                         case 24000:
 484                                 _session->config.set_timecode_format(timecode_24);
 485                                 break;
 486                         case 24975:
 487                         case 24976:
 488                                 _session->config.set_timecode_format(timecode_24976);
 489                                 break;
 490                         case 25000:
 491                                 _session->config.set_timecode_format(timecode_25);
 492                                 break;
 493                         case 29970:
 494                                 _session->config.set_timecode_format(timecode_2997drop);
 495                                 break;
 496                         case 30000:
 497                                 _session->config.set_timecode_format(timecode_30);
 498                                 break;
 499                         case 59940:
 500                                 _session->config.set_timecode_format(timecode_5994);
 501                                 break;
 502                         case 60000:
 503                                 _session->config.set_timecode_format(timecode_60);
 504                                 break;
 505                         default:
 506                                 warning << string_compose (
 507                                                 _("Failed to set session-framerate: '%1' does not have a corresponding option setting in %2."),
 508                                                 video_file_fps, PROGRAM_NAME ) << endmsg;
 509                                 break;
 510                 }
 511                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 512         }
 513         if (floor(video_file_fps*100) != floor(_session->timecode_frames_per_second()*100)) {
 514                 warning << string_compose(
 515                                 _("Video file's framerate is not equal to %1 session timecode's framerate: '%2' vs '%3'"),
 516                                         PROGRAM_NAME, video_file_fps, _session->timecode_frames_per_second())
 517                                 << endmsg;
 518         }
 519         flush_local_cache ();
 520
 521         if (found_xjadeo() && local_file) {
 522                 GuiUpdate("set-xjadeo-sensitive-on");
 523                 if (vmonitor && vmonitor->is_started()) {
 524 #if 1
 525                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 526                          * if the geometry changes to a different line-size alignment
 527                          */
 528                         reopen_vmonitor = true;
 529                         vmonitor->quit();
 530 #else
 531                         vmonitor->set_fps(video_file_fps);
 532                         vmonitor->open(video_filename);
 533 #endif
 534                 }
 535         } else if (!local_file) {
 536 #if 1 /* temp debug/devel message */
 537                 // TODO - call xjremote remotely.
 538                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 539                 GuiUpdate("set-xjadeo-sensitive-off");
 540 #endif
 541         }
 542         VtlUpdate();
 543         GuiUpdate("video-available");
 544         return true;
 545 }
 546
 547 bool
 548 VideoTimeLine::check_server ()
 549 {
 550         bool ok = false;
 551         char url[1024];
 552         snprintf(url, sizeof(url), "%s%sstatus"
 553                         , video_server_url.c_str()
 554                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 555                         );
 556         char *res=a3_curl_http_get(url, NULL);
 557         if (res) {
 558                 if (strstr(res, "status: ok, online.")) { ok = true; }
 559                 free(res);
 560         }
 561         return ok;
 562 }
 563
 564 bool
 565 VideoTimeLine::check_server_docroot ()
 566 {
 567         bool ok = true;
 568         char url[1024];
 569         std::vector<std::vector<std::string> > lines;
 570
 571         if (video_server_url.find("/localhost:") == string::npos) {
 572                 return true;
 573         }
 574         snprintf(url, sizeof(url), "%s%src?format=csv"
 575                         , video_server_url.c_str()
 576                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 577                         );
 578         char *res=a3_curl_http_get(url, NULL);
 579         if (!res) {
 580                 return false;
 581         }
 582
 583         ParseCSV(std::string(res), lines);
 584         if (   lines.empty()
 585                         || lines.at(0).empty()
 586                         || lines.at(0).at(0) != video_get_docroot(Config)) {
 587                 warning << string_compose(
 588                                 _("Video-server docroot mismatch. %1: '%2', video-server: '%3'. This usually means that the video server was not started by ardour and uses a different document-root."),
 589                                 PROGRAM_NAME, video_get_docroot(Config), lines.at(0).at(0))
 590                 << endmsg;
 591                 ok = false; // TODO allow to override
 592         }
 593         free(res);
 594         return ok;
 595 }
 596
 597 void
 598 VideoTimeLine::gui_update(std::string const & t) {
 599         /* this is to be called via GuiUpdate() only. */
 600         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 601         if (t == "videotimeline-update") {
 602                 editor->queue_visual_videotimeline_update();
 603         } else if (t == "set-xjadeo-active-off") {
 604                 editor->toggle_xjadeo_proc(0);
 605         } else if (t == "set-xjadeo-active-on") {
 606                 editor->toggle_xjadeo_proc(1);
 607         } else if (t == "set-xjadeo-sensitive-on") {
 608                 editor->set_xjadeo_sensitive(true);
 609         } else if (t == "set-xjadeo-sensitive-off") {
 610                 editor->toggle_xjadeo_proc(0);
 611                 //close_video_monitor();
 612                 editor->set_xjadeo_sensitive(false);
 613         } else if (t == "xjadeo-window-ontop-on") {
 614                 editor->toggle_xjadeo_viewoption(1, 1);
 615         } else if (t == "xjadeo-window-ontop-off") {
 616                 editor->toggle_xjadeo_viewoption(1, 0);
 617         } else if (t == "xjadeo-window-osd-timecode-on") {
 618                 editor->toggle_xjadeo_viewoption(2, 1);
 619         } else if (t == "xjadeo-window-osd-timecode-off") {
 620                 editor->toggle_xjadeo_viewoption(2, 0);
 621         } else if (t == "xjadeo-window-osd-frame-on") {
 622                 editor->toggle_xjadeo_viewoption(3, 1);
 623         } else if (t == "xjadeo-window-osd-frame-off") {
 624                 editor->toggle_xjadeo_viewoption(3, 0);
 625         } else if (t == "xjadeo-window-osd-box-on") {
 626                 editor->toggle_xjadeo_viewoption(4, 1);
 627         } else if (t == "xjadeo-window-osd-box-off") {
 628                 editor->toggle_xjadeo_viewoption(4, 0);
 629         } else if (t == "xjadeo-window-fullscreen-on") {
 630                 editor->toggle_xjadeo_viewoption(5, 1);
 631         } else if (t == "xjadeo-window-fullscreen-off") {
 632                 editor->toggle_xjadeo_viewoption(5, 0);
 633         } else if (t == "xjadeo-window-letterbox-on") {
 634                 editor->toggle_xjadeo_viewoption(6, 1);
 635         } else if (t == "xjadeo-window-letterbox-off") {
 636                 editor->toggle_xjadeo_viewoption(6, 0);
 637         } else if (t == "video-available") {
 638                 editor->set_close_video_sensitive(true);
 639         } else if (t == "video-unavailable") {
 640                 editor->set_close_video_sensitive(false);
 641         }
 642 }
 643
 644 void
 645 VideoTimeLine::set_height (int height) {
 646         if (_session && bar_height != height) {
 647                 _session->set_dirty ();
 648         }
 649         bar_height = height;
 650         flush_local_cache();
 651 }
 652
 653 void
 654 VideoTimeLine::vmon_update () {
 655         if (vmonitor && vmonitor->is_started()) {
 656                 vmonitor->set_offset(video_offset); // TODO proper re-init xjadeo w/o restart not just offset.
 657         }
 658 }
 659
 660 void
 661 VideoTimeLine::flush_local_cache () {
 662         flush_frames = true;
 663         vmon_update();
 664 }
 665
 666 void
 667 VideoTimeLine::flush_cache () {
 668         flush_local_cache();
 669         char url[1024];
 670         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 671                         , video_server_url.c_str()
 672                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 673                         );
 674         char *res=a3_curl_http_get(url, NULL);
 675         if (res) {
 676                 free (res);
 677         }
 678         if (vmonitor && vmonitor->is_started()) {
 679                 reopen_vmonitor=true;
 680                 vmonitor->quit();
 681         }
 682         video_file_info(video_filename, local_file);
 683 }
 684
 685 /* config */
 686 void
 687 VideoTimeLine::parameter_changed (std::string const & p)
 688 {
 689         if (p == "video-server-url") {
 690                 set_video_server_url (video_get_server_url(Config));
 691         } else if (p == "video-server-docroot") {
 692                 set_video_server_docroot (video_get_docroot(Config));
 693         } else if (p == "video-advanced-setup") {
 694                 set_video_server_url (video_get_server_url(Config));
 695                 set_video_server_docroot (video_get_docroot(Config));
 696         }
 697         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 698                 VtlUpdate();
 699         }
 700 }
 701
 702 void
 703 VideoTimeLine::set_video_server_url(std::string vsu) {
 704         flush_local_cache ();
 705         video_server_url = vsu;
 706         VtlUpdate();
 707 }
 708
 709 void
 710 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 711         flush_local_cache ();
 712         server_docroot = vsr;
 713         VtlUpdate();
 714 }
 715
 716 /* video-monitor for this timeline */
 717 void
 718 VideoTimeLine::find_xjadeo () {
 719         std::string xjadeo_file_path;
 720         if (getenv("XJREMOTE")) {
 721                 _xjadeo_bin = strdup(getenv("XJREMOTE")); // XXX TODO: free it?!
 722         } else if (find_file_in_search_path (Searchpath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
 723                 _xjadeo_bin = xjadeo_file_path;
 724         }
 725         else if (Glib::file_test(X_("/Applications/Jadeo.app/Contents/MacOS/xjremote"), Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_EXECUTABLE)) {
 726                 _xjadeo_bin = X_("/Applications/Jadeo.app/Contents/MacOS/xjremote");
 727         }
 728         /* TODO: win32: allow to configure PATH to xjremote */
 729         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.exe"), Glib::FILE_TEST_EXISTS)) {
 730                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.exe");
 731         }
 732         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.bat"), Glib::FILE_TEST_EXISTS)) {
 733                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.bat");
 734         }
 735         else  {
 736                 _xjadeo_bin = X_("");
 737                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 738                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 739                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').")
 740                         << endmsg;
 741         }
 742 }
 743
 744 void
 745 VideoTimeLine::open_video_monitor() {
 746         if (!found_xjadeo()) return;
 747         if (!vmonitor) {
 748                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 749                 vmonitor->set_session(_session);
 750                 vmonitor->set_offset(video_offset);
 751                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 752                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 753         } else if (vmonitor->is_started()) {
 754                 return;
 755         }
 756
 757 #if 0
 758         /* unused for now.
 759          * the idea is to selective ignore certain monitor window
 760          * states if xjadeo is not running on the same host as ardour.
 761          * However with the removal of the video-monitor-startup-dialogue
 762          * (git rev 5a4d0fff0) these settings are currently not accessible.
 763          */
 764         int xj_settings_mask = vmonitor->restore_settings_mask();
 765         if (_session) {
 766                 /* load mask from Session */
 767                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 768                 if (node) {
 769                         const XMLProperty* prop = node->property (X_("mask"));
 770                         if (prop) {
 771                                 xj_settings_mask = atoi(prop->value());
 772                         }
 773                 }
 774         }
 775
 776         vmonitor->restore_settings_mask(xj_settings_mask);
 777 #endif
 778
 779         if (!vmonitor->start()) {
 780                 warning << "launching xjadeo failed.." << endmsg;
 781                 close_video_monitor();
 782         } else {
 783                 GuiUpdate("set-xjadeo-active-on");
 784                 vmonitor->set_fps(video_file_fps);
 785                 vmonitor->open(video_filename);
 786
 787                 if (_session) {
 788                         XMLNode* node = _session->extra_xml (X_("Videomonitor"));
 789                         if (node) {
 790                                 const XMLProperty* prop = node->property (X_("active"));
 791                                 if (prop && prop->value() != "yes") _session->set_dirty ();
 792                         } else {
 793                                 _session->set_dirty ();
 794                         }
 795                 }
 796
 797         }
 798 }
 799
 800 void
 801 VideoTimeLine::close_video_monitor() {
 802         if (vmonitor && vmonitor->is_started()) {
 803                 vmonitor->quit();
 804         }
 805 }
 806
 807 void
 808 VideoTimeLine::control_video_monitor(int what, int param) {
 809         if (!vmonitor || !vmonitor->is_started()) {
 810                 return;
 811         }
 812         vmonitor->send_cmd(what, param);
 813 }
 814
 815
 816 void
 817 VideoTimeLine::terminated_video_monitor () {
 818         if (vmonitor) {
 819                 vmonitor->save_session();
 820                 delete vmonitor;
 821         }
 822         vmonitor=0;
 823         GuiUpdate("set-xjadeo-active-off");
 824         if (reopen_vmonitor) {
 825                 reopen_vmonitor=false;
 826                 open_video_monitor();
 827         } else {
 828                 if (_session) {
 829                         _session->set_dirty ();
 830                 }
 831         }
 832 }
 833
 834 void
 835 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 836 {
 837         if (!vmonitor) { return; }
 838         if (!vmonitor->is_started()) { return; }
 839         if (!vmonitor->synced_by_manual_seeks()) { return; }
 840         vmonitor->manual_seek(pos, false, video_offset); // XXX -> set offset in xjadeo
 841 }