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 "ardour_http.h"
  30 #include "public_editor.h"
  31 #include "gui_thread.h"
  32 #include "utils_videotl.h"
  33 #include "rgb_macros.h"
  34 #include "video_timeline.h"
  35 #include "video_tool_paths.h"
  36
  37 #include <gtkmm2ext/utils.h>
  38 #include <pthread.h>
  39 #include <curl/curl.h>
  40
  41 #include "pbd/i18n.h"
  42
  43 using namespace std;
  44 using namespace ARDOUR;
  45 using namespace PBD;
  46 using namespace Timecode;
  47 using namespace VideoUtils;
  48
  49 VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Container *vbg, int initial_height)
  50         : editor (ed)
  51                 , videotl_group(vbg)
  52                 , bar_height(initial_height)
  53 {
  54         video_start_offset = 0L;
  55         video_offset = 0L;
  56         video_offset_p = 0L;
  57         video_duration = 0L;
  58         auto_set_session_fps = false;
  59         video_offset_lock = false;
  60         video_aspect_ratio = 4.0/3.0;
  61         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
  62         video_server_url = video_get_server_url(Config);
  63         server_docroot   = video_get_docroot(Config);
  64         video_filename = "";
  65         local_file = true;
  66         video_file_fps = 25.0;
  67         flush_frames = false;
  68         vmonitor=0;
  69         reopen_vmonitor=false;
  70         find_xjadeo();
  71
  72         VtlUpdate.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
  73         GuiUpdate.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
  74 }
  75
  76 VideoTimeLine::~VideoTimeLine ()
  77 {
  78         close_session();
  79 }
  80
  81 /* close and save settings */
  82 void
  83 VideoTimeLine::save_session ()
  84 {
  85         if (!_session) {
  86                 return;
  87         }
  88
  89         LocaleGuard lg;
  90
  91         XMLNode* node = new XMLNode(X_("Videomonitor"));
  92         if (!node) return;
  93         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
  94         _session->add_extra_xml (*node);
  95
  96         if (vmonitor) {
  97                 if (vmonitor->is_started()) {
  98                         vmonitor->query_full_state(true);
  99                 }
 100                 vmonitor->save_session();
 101         }
 102
 103         /* VTL settings */
 104         node = _session->extra_xml (X_("Videotimeline"));
 105         if (!node) return;
 106         node->add_property (X_("id"), id().to_s());
 107         node->add_property (X_("Height"), editor->get_videotl_bar_height());
 108         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 109         node->add_property (X_("VideoOffset"), video_offset);
 110         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 111 }
 112
 113 /* close and save settings */
 114 void
 115 VideoTimeLine::close_session ()
 116 {
 117         if (video_duration == 0) {
 118                 return;
 119         }
 120         sessionsave.disconnect();
 121         close_video_monitor();
 122
 123         remove_frames();
 124         video_filename = "";
 125         video_duration = 0;
 126         GuiUpdate("set-xjadeo-sensitive-off");
 127         GuiUpdate("video-unavailable");
 128 }
 129
 130 void
 131 VideoTimeLine::sync_session_state ()
 132 {
 133         if (!_session || !vmonitor || !vmonitor->is_started()) {
 134                 return;
 135         }
 136         save_session();
 137 }
 138
 139 /** load settings from session */
 140 void
 141 VideoTimeLine::set_session (ARDOUR::Session *s)
 142 {
 143         SessionHandlePtr::set_session (s);
 144         if (!_session) { return ; }
 145
 146         _session->SessionSaveUnderway.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
 147         LocaleGuard lg;
 148
 149         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 150
 151         if (!node || !node->property (X_("Filename"))) {
 152                 return;
 153         }
 154
 155         ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 156
 157         set_id(*node);
 158
 159         XMLProperty const * proph = node->property (X_("Height"));
 160         if (proph) {
 161                 editor->set_video_timeline_height(atoi(proph->value()));
 162         }
 163 #if 0 /* TODO THINK: set FPS first time only ?! */
 164         XMLProperty const * propasfps = node->property (X_("AutoFPS"));
 165         if (propasfps) {
 166                 auto_set_session_fps = atoi(propasfps->value())?true:false;
 167         }
 168 #endif
 169
 170         XMLProperty const * propoffset = node->property (X_("VideoOffset"));
 171         if (propoffset) {
 172                 video_offset = atoll(propoffset->value());
 173                 video_offset_p = video_offset;
 174         }
 175
 176         XMLProperty const * proplock = node->property (X_("VideoOffsetLock"));
 177         if (proplock) {
 178                 video_offset_lock = atoi(proplock->value())?true:false;
 179         }
 180
 181         XMLProperty const * localfile = node->property (X_("LocalFile"));
 182         if (localfile) {
 183                 local_file = atoi(localfile->value())?true:false;
 184         }
 185
 186         XMLProperty const * propf = node->property (X_("Filename"));
 187         video_file_info(propf->value(), local_file);
 188
 189         if ((node = _session->extra_xml (X_("Videomonitor")))) {
 190                 XMLProperty const * prop = node->property (X_("active"));
 191                 if (prop && prop->value() == "yes" && found_xjadeo() && !video_filename.empty() && local_file) {
 192                         open_video_monitor();
 193                 }
 194         }
 195
 196         _session->register_with_memento_command_factory(id(), this);
 197         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 198 }
 199
 200 void
 201 VideoTimeLine::set_offset_locked (bool v) {
 202         if (_session && v != video_offset_lock) {
 203                 _session->set_dirty ();
 204         }
 205         video_offset_lock = v;
 206 }
 207
 208 void
 209 VideoTimeLine::toggle_offset_locked () {
 210         video_offset_lock = !video_offset_lock;
 211         if (_session) {
 212                 _session->set_dirty ();
 213         }
 214 }
 215
 216 void
 217 VideoTimeLine::save_undo ()
 218 {
 219         if (_session && video_offset_p != video_offset) {
 220                 _session->set_dirty ();
 221         }
 222         video_offset_p = video_offset;
 223 }
 224
 225 int
 226 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 227 {
 228         LocaleGuard lg;
 229         XMLProperty const * propoffset = node.property (X_("VideoOffset"));
 230         if (propoffset) {
 231                 video_offset = atoll(propoffset->value());
 232         }
 233         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 234         return 0;
 235 }
 236
 237 XMLNode&
 238 VideoTimeLine::get_state ()
 239 {
 240         XMLNode* node = new XMLNode (X_("Videotimeline"));
 241         LocaleGuard lg;
 242         node->add_property (X_("VideoOffset"), video_offset_p);
 243         return *node;
 244 }
 245
 246 void
 247 VideoTimeLine::remove_frames ()
 248 {
 249         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 250                 VideoImageFrame *frame = (*i);
 251                 delete frame;
 252                 (*i) = 0;
 253         }
 254         video_frames.clear();
 255 }
 256
 257 VideoImageFrame *
 258 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 259 {
 260         if (vfn==0) cut=0;
 261         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 262                 VideoImageFrame *frame = (*i);
 263                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 264                     && frame->get_rightend() == rightend) { return frame; }
 265         }
 266         return 0;
 267 }
 268
 269 float
 270 VideoTimeLine::get_apv()
 271 {
 272         // XXX: dup code - TODO use this fn in update_video_timeline()
 273         float apv = -1; /* audio samples per video frame; */
 274         if (!_session) return apv;
 275
 276         if (_session->config.get_use_video_file_fps()) {
 277                 if (video_file_fps == 0 ) return apv;
 278         } else {
 279                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 280         }
 281
 282         if (_session->config.get_videotimeline_pullup()) {
 283                 apv = _session->frame_rate();
 284         } else {
 285                 apv = _session->nominal_frame_rate();
 286         }
 287         if (_session->config.get_use_video_file_fps()) {
 288                 apv /= video_file_fps;
 289         } else {
 290                 apv /= _session->timecode_frames_per_second();
 291         }
 292         return apv;
 293 }
 294
 295 void
 296 VideoTimeLine::update_video_timeline()
 297 {
 298         if (!_session) return;
 299
 300         if (_session->config.get_use_video_file_fps()) {
 301                 if (video_file_fps == 0 ) return;
 302         } else {
 303                 if (_session->timecode_frames_per_second() == 0 ) return;
 304         }
 305
 306         const double samples_per_pixel = editor->get_current_zoom();
 307         const framepos_t leftmost_sample =  editor->leftmost_sample();
 308
 309         /* Outline:
 310          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 311          * 2) calculate first frame and distance between video-frames (according to zoom)
 312          * 3) destroy/add frames
 313          * 4) reposition existing frames
 314          * 5) assign framenumber to frames -> request/decode video.
 315          */
 316
 317         /* video-file and session properties */
 318         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 319         float apv; /* audio samples per video frame; */
 320         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 321
 322         /* variables needed to render videotimeline -- what needs to computed first */
 323         framepos_t vtl_start; /* unit: audio-samples ; first displayed video-frame */
 324         framepos_t vtl_dist;  /* unit: audio-samples ; distance between displayed video-frames */
 325         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 326
 327         if (_session->config.get_videotimeline_pullup()) {
 328                 apv = _session->frame_rate();
 329         } else {
 330                 apv = _session->nominal_frame_rate();
 331         }
 332         if (_session->config.get_use_video_file_fps()) {
 333                 apv /= video_file_fps;
 334         } else {
 335                 apv /= _session->timecode_frames_per_second();
 336         }
 337
 338         display_vframe_width = bar_height * video_aspect_ratio;
 339
 340         if (apv > samples_per_pixel * display_vframe_width) {
 341                 /* high-zoom: need space between successive video-frames */
 342                 vtl_dist = rint(apv);
 343         } else {
 344                 /* continous timeline: skip video-frames */
 345                 vtl_dist = ceil(display_vframe_width * samples_per_pixel / apv) * apv;
 346         }
 347
 348         assert (vtl_dist > 0);
 349         assert (apv > 0);
 350
 351         leftmost_video_frame = floor (floor((long double)(leftmost_sample - video_start_offset - video_offset ) / vtl_dist) * vtl_dist / apv);
 352
 353         vtl_start = rint (video_offset + video_start_offset + leftmost_video_frame * apv);
 354         visible_video_frames = 2 + ceil((double)editor->current_page_samples() / vtl_dist); /* +2 left+right partial frames */
 355
 356         /* expand timeline (cache next/prev page images) */
 357         vtl_start -= visible_video_frames * vtl_dist;
 358         visible_video_frames *=3;
 359
 360         /* don't request frames that are too far to the right */
 361         if (vtl_start < video_offset) {
 362                 visible_video_frames = std::max((double)0.0, (double)visible_video_frames + ceil((double)(vtl_start - video_offset)/vtl_dist));
 363                 vtl_start = video_offset;
 364         }
 365
 366         /* apply video-file constraints
 367          * (first frame in video is at video_start_offset) */
 368         if (vtl_start > video_start_offset + video_duration + video_offset ) {
 369                 visible_video_frames = 0;
 370         }
 371         /* trim end.
 372          * end = position on timeline (video-offset)  minus  video-file's first frame position
 373          * TODO optimize: compute rather than iterate */
 374         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + video_offset) {
 375                 --visible_video_frames;
 376         }
 377
 378         if (flush_frames) {
 379                 remove_frames();
 380                 flush_frames=false;
 381         }
 382
 383         while (video_frames.size() < visible_video_frames) {
 384                 VideoImageFrame *frame;
 385                 frame = new VideoImageFrame(*editor, *videotl_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 386                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 387                 video_frames.push_back(frame);
 388         }
 389
 390         VideoFrames outdated_video_frames;
 391         std::list<int> remaining;
 392
 393         outdated_video_frames = video_frames;
 394
 395 #if 1
 396         /* when zoomed out, ignore shifts by +-1 frame
 397          * which can occur due to rounding errors when
 398          * scrolling to a new leftmost-audio frame.
 399          */
 400         int cut =1;
 401         if (vtl_dist/apv < 3.0) cut =0;
 402 #else
 403         int cut =0;
 404 #endif
 405
 406         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 407                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 408                 framepos_t vframeno = rint ( (vfpos - video_offset) / apv); /* unit: video-frames */
 409                 vfpos = (vframeno * apv ) + video_offset; /* audio-frame  corresponding to /rounded/ video-frame */
 410
 411                 int rightend = -1; /* unit: pixels */
 412                 if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 413                         rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 414                         //printf("lf(e): %lu\n", vframeno); // XXX
 415                 }
 416                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 417                 if (frame) {
 418                   frame->set_position(vfpos);
 419                         outdated_video_frames.remove(frame);
 420                 } else {
 421                         remaining.push_back(vfcount);
 422                 }
 423         }
 424
 425         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 426                 VideoImageFrame *frame = (*i);
 427                 if (remaining.empty()) {
 428                   frame->set_position(-2 * vtl_dist + leftmost_sample); /* move off screen */
 429                 } else {
 430                         int vfcount=remaining.front();
 431                         remaining.pop_front();
 432                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 433                         framepos_t vframeno = rint ((vfpos - video_offset) / apv);  /* unit: video-frames */
 434                         int rightend = -1; /* unit: pixels */
 435                         if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 436                                 rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 437                                 //printf("lf(n): %lu\n", vframeno); // XXX
 438                         }
 439                         frame->set_position(vfpos);
 440                         frame->set_videoframe(vframeno, rightend);
 441                 }
 442         }
 443 }
 444
 445 std::string
 446 VideoTimeLine::translated_filename ()
 447 {
 448         if (!local_file){
 449                 return video_filename;
 450         } else {
 451                 return video_map_path(server_docroot, video_filename);
 452         }
 453 }
 454
 455 bool
 456 VideoTimeLine::video_file_info (std::string filename, bool local)
 457 {
 458
 459         local_file = local;
 460         if (Glib::path_is_absolute(filename) || !local_file)
 461         {
 462                 video_filename = filename;
 463         }  else {
 464                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 465         }
 466
 467         long long int _duration;
 468         double _start_offset;
 469
 470         if (!video_query_info(
 471                         video_server_url, translated_filename(),
 472                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 473                 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;
 474                 video_duration = 0;
 475                 GuiUpdate("set-xjadeo-sensitive-off");
 476                 GuiUpdate("video-unavailable");
 477                 return false;
 478         }
 479         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 480         video_start_offset = _start_offset * _session->nominal_frame_rate();
 481
 482         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 483                 switch ((int)floorf(video_file_fps*1000.0)) {
 484                         case 23976:
 485                                 _session->config.set_timecode_format(timecode_23976);
 486                                 break;
 487                         case 24000:
 488                                 _session->config.set_timecode_format(timecode_24);
 489                                 break;
 490                         case 24975:
 491                         case 24976:
 492                                 _session->config.set_timecode_format(timecode_24976);
 493                                 break;
 494                         case 25000:
 495                                 _session->config.set_timecode_format(timecode_25);
 496                                 break;
 497                         case 29970:
 498                                 _session->config.set_timecode_format(timecode_2997drop);
 499                                 break;
 500                         case 30000:
 501                                 _session->config.set_timecode_format(timecode_30);
 502                                 break;
 503                         case 59940:
 504                                 _session->config.set_timecode_format(timecode_5994);
 505                                 break;
 506                         case 60000:
 507                                 _session->config.set_timecode_format(timecode_60);
 508                                 break;
 509                         default:
 510                                 warning << string_compose (
 511                                                 _("Failed to set session-framerate: '%1' does not have a corresponding option setting in %2."),
 512                                                 video_file_fps, PROGRAM_NAME ) << endmsg;
 513                                 break;
 514                 }
 515                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 516         }
 517         if (floor(video_file_fps*100) != floor(_session->timecode_frames_per_second()*100)) {
 518                 warning << string_compose(
 519                                 _("Video file's framerate is not equal to %1 session timecode's framerate: '%2' vs '%3'"),
 520                                         PROGRAM_NAME, video_file_fps, _session->timecode_frames_per_second())
 521                                 << endmsg;
 522         }
 523         flush_local_cache ();
 524
 525         if (found_xjadeo() && local_file) {
 526                 GuiUpdate("set-xjadeo-sensitive-on");
 527                 if (vmonitor && vmonitor->is_started()) {
 528 #if 1
 529                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 530                          * if the geometry changes to a different line-size alignment
 531                          */
 532                         reopen_vmonitor = true;
 533                         vmonitor->quit();
 534 #else
 535                         vmonitor->set_fps(video_file_fps);
 536                         vmonitor->open(video_filename);
 537 #endif
 538                 }
 539         } else if (!local_file) {
 540 #if 1 /* temp debug/devel message */
 541                 // TODO - call xjremote remotely.
 542                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 543                 GuiUpdate("set-xjadeo-sensitive-off");
 544 #endif
 545         }
 546         VtlUpdate();
 547         GuiUpdate("video-available");
 548         return true;
 549 }
 550
 551 bool
 552 VideoTimeLine::check_server ()
 553 {
 554         bool ok = false;
 555         char url[1024];
 556         snprintf(url, sizeof(url), "%s%sstatus"
 557                         , video_server_url.c_str()
 558                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 559                         );
 560         char* res = ArdourCurl::http_get (url, NULL);
 561         if (res) {
 562                 if (strstr(res, "status: ok, online.")) { ok = true; }
 563                 free(res);
 564         }
 565         return ok;
 566 }
 567
 568 bool
 569 VideoTimeLine::check_server_docroot ()
 570 {
 571         bool ok = true;
 572         char url[1024];
 573         std::vector<std::vector<std::string> > lines;
 574
 575         if (video_server_url.find("/localhost:") == string::npos) {
 576                 return true;
 577         }
 578         snprintf(url, sizeof(url), "%s%src?format=csv"
 579                         , video_server_url.c_str()
 580                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 581                         );
 582         char* res = ArdourCurl::http_get (url, NULL);
 583         if (!res) {
 584                 return false;
 585         }
 586
 587         ParseCSV(std::string(res), lines);
 588         if (   lines.empty()
 589                         || lines.at(0).empty()
 590                         || lines.at(0).at(0) != video_get_docroot(Config)) {
 591                 warning << string_compose(
 592                                 _("Video-server docroot mismatch. %1: '%2', video-server: '%3'. This usually means that the video server was not started by %1 and uses a different document-root."),
 593                                 PROGRAM_NAME, video_get_docroot(Config), lines.at(0).at(0))
 594                 << endmsg;
 595                 ok = false; // TODO allow to override
 596         }
 597         free(res);
 598         return ok;
 599 }
 600
 601 void
 602 VideoTimeLine::gui_update(std::string const & t) {
 603         /* this is to be called via GuiUpdate() only. */
 604         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 605         if (t == "videotimeline-update") {
 606                 editor->queue_visual_videotimeline_update();
 607         } else if (t == "set-xjadeo-active-off") {
 608                 editor->toggle_xjadeo_proc(0);
 609         } else if (t == "set-xjadeo-active-on") {
 610                 editor->toggle_xjadeo_proc(1);
 611         } else if (t == "set-xjadeo-sensitive-on") {
 612                 editor->set_xjadeo_sensitive(true);
 613         } else if (t == "set-xjadeo-sensitive-off") {
 614                 editor->toggle_xjadeo_proc(0);
 615                 //close_video_monitor();
 616                 editor->set_xjadeo_sensitive(false);
 617         } else if (t == "xjadeo-window-ontop-on") {
 618                 editor->toggle_xjadeo_viewoption(1, 1);
 619         } else if (t == "xjadeo-window-ontop-off") {
 620                 editor->toggle_xjadeo_viewoption(1, 0);
 621         } else if (t == "xjadeo-window-osd-timecode-on") {
 622                 editor->toggle_xjadeo_viewoption(2, 1);
 623         } else if (t == "xjadeo-window-osd-timecode-off") {
 624                 editor->toggle_xjadeo_viewoption(2, 0);
 625         } else if (t == "xjadeo-window-osd-frame-on") {
 626                 editor->toggle_xjadeo_viewoption(3, 1);
 627         } else if (t == "xjadeo-window-osd-frame-off") {
 628                 editor->toggle_xjadeo_viewoption(3, 0);
 629         } else if (t == "xjadeo-window-osd-box-on") {
 630                 editor->toggle_xjadeo_viewoption(4, 1);
 631         } else if (t == "xjadeo-window-osd-box-off") {
 632                 editor->toggle_xjadeo_viewoption(4, 0);
 633         } else if (t == "xjadeo-window-fullscreen-on") {
 634                 editor->toggle_xjadeo_viewoption(5, 1);
 635         } else if (t == "xjadeo-window-fullscreen-off") {
 636                 editor->toggle_xjadeo_viewoption(5, 0);
 637         } else if (t == "xjadeo-window-letterbox-on") {
 638                 editor->toggle_xjadeo_viewoption(6, 1);
 639         } else if (t == "xjadeo-window-letterbox-off") {
 640                 editor->toggle_xjadeo_viewoption(6, 0);
 641         } else if (t == "video-available") {
 642                 editor->set_close_video_sensitive(true);
 643         } else if (t == "video-unavailable") {
 644                 editor->set_close_video_sensitive(false);
 645         }
 646 }
 647
 648 void
 649 VideoTimeLine::set_height (int height) {
 650         if (_session && bar_height != height) {
 651                 _session->set_dirty ();
 652         }
 653         bar_height = height;
 654         flush_local_cache();
 655 }
 656
 657 void
 658 VideoTimeLine::vmon_update () {
 659         if (vmonitor && vmonitor->is_started()) {
 660                 vmonitor->set_offset(video_offset); // TODO proper re-init xjadeo w/o restart not just offset.
 661         }
 662 }
 663
 664 void
 665 VideoTimeLine::flush_local_cache () {
 666         flush_frames = true;
 667         vmon_update();
 668 }
 669
 670 void
 671 VideoTimeLine::flush_cache () {
 672         flush_local_cache();
 673         char url[1024];
 674         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 675                         , video_server_url.c_str()
 676                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 677                         );
 678         char* res = ArdourCurl::http_get (url, NULL);
 679         if (res) {
 680                 free (res);
 681         }
 682         if (vmonitor && vmonitor->is_started()) {
 683                 reopen_vmonitor=true;
 684                 vmonitor->quit();
 685         }
 686         video_file_info(video_filename, local_file);
 687 }
 688
 689 /* config */
 690 void
 691 VideoTimeLine::parameter_changed (std::string const & p)
 692 {
 693         if (p == "video-server-url") {
 694                 set_video_server_url (video_get_server_url(Config));
 695         } else if (p == "video-server-docroot") {
 696                 set_video_server_docroot (video_get_docroot(Config));
 697         } else if (p == "video-advanced-setup") {
 698                 set_video_server_url (video_get_server_url(Config));
 699                 set_video_server_docroot (video_get_docroot(Config));
 700         }
 701         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 702                 VtlUpdate();
 703         }
 704 }
 705
 706 void
 707 VideoTimeLine::set_video_server_url(std::string vsu) {
 708         flush_local_cache ();
 709         video_server_url = vsu;
 710         VtlUpdate();
 711 }
 712
 713 void
 714 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 715         flush_local_cache ();
 716         server_docroot = vsr;
 717         VtlUpdate();
 718 }
 719
 720 /* video-monitor for this timeline */
 721 void
 722 VideoTimeLine::xjadeo_readversion (std::string d, size_t /* s */) {
 723         xjadeo_version += d;
 724 }
 725
 726 void
 727 VideoTimeLine::find_xjadeo () {
 728         if (!ArdourVideoToolPaths::xjadeo_exe(_xjadeo_bin)) {
 729                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 730                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 731                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').\n"
 732                                 "\n"
 733                                 "see also http://manual.ardour.org/video-timeline/setup/")
 734                         << endmsg;
 735         }
 736
 737         if (found_xjadeo ()) {
 738                 ARDOUR::SystemExec version_check(_xjadeo_bin, X_("--version"));
 739                 xjadeo_version = "";
 740                 version_check.ReadStdout.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, _1 ,_2));
 741                 version_check.Terminated.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, "\n" ,1));
 742                 if (version_check.start(2)) {
 743                         warning << _(
 744                                         "Video-monitor 'xjadeo' cannot be launched."
 745                                         ) << endmsg;
 746                         _xjadeo_bin = X_("");
 747                         return;
 748                 }
 749
 750 #ifdef PLATFORM_WINDOWS
 751                 version_check.wait (); // 40ms timeout
 752 #else
 753                 version_check.wait (WNOHANG);
 754 #endif
 755
 756                 int timeout = 300;
 757                 while (xjadeo_version.empty() && --timeout) {
 758                         Glib::usleep(10000);
 759                 }
 760
 761                 bool v_ok = false;
 762                 size_t vo = xjadeo_version.find(" version ");
 763                 if (vo != string::npos) {
 764                         int v_major, v_minor, v_micro;
 765                         if(sscanf(xjadeo_version.substr(vo + 9, string::npos).c_str(),"%d.%d.%d",
 766                                                 &v_major, &v_minor, &v_micro) == 3)
 767                         {
 768                                 if (v_major >= 1) v_ok = true;
 769                                 else if (v_major == 0 && v_minor >= 8) v_ok = true;
 770                                 else if (v_major == 0 && v_minor >= 7 && v_micro >= 7) v_ok = true;
 771                         }
 772                 }
 773                 if (!v_ok) {
 774                         _xjadeo_bin = X_("");
 775                         warning << _(
 776                                         "Video-monitor 'xjadeo' is too old. "
 777                                         "Please install xjadeo version 0.7.7 or later. http://xjadeo.sf.net/"
 778                                         ) << endmsg;
 779                 }
 780         }
 781 }
 782
 783 void
 784 VideoTimeLine::open_video_monitor() {
 785         if (!found_xjadeo()) return;
 786         if (!vmonitor) {
 787                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 788                 vmonitor->set_session(_session);
 789                 vmonitor->set_offset(video_offset);
 790                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 791                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 792         } else if (vmonitor->is_started()) {
 793                 return;
 794         }
 795
 796 #if 0
 797         /* unused for now.
 798          * the idea is to selective ignore certain monitor window
 799          * states if xjadeo is not running on the same host as ardour.
 800          * However with the removal of the video-monitor-startup-dialogue
 801          * (git rev 5a4d0fff0) these settings are currently not accessible.
 802          */
 803         int xj_settings_mask = vmonitor->restore_settings_mask();
 804         if (_session) {
 805                 /* load mask from Session */
 806                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 807                 if (node) {
 808                         XMLProperty const * prop = node->property (X_("mask"));
 809                         if (prop) {
 810                                 xj_settings_mask = atoi(prop->value());
 811                         }
 812                 }
 813         }
 814
 815         vmonitor->restore_settings_mask(xj_settings_mask);
 816 #endif
 817
 818         if (!vmonitor->start()) {
 819                 warning << "launching xjadeo failed.." << endmsg;
 820                 close_video_monitor();
 821         } else {
 822                 GuiUpdate("set-xjadeo-active-on");
 823                 vmonitor->set_fps(video_file_fps);
 824                 vmonitor->open(video_filename);
 825
 826                 if (_session) {
 827                         XMLNode* node = _session->extra_xml (X_("Videomonitor"));
 828                         if (node) {
 829                                 XMLProperty const * prop = node->property (X_("active"));
 830                                 if (prop && prop->value() != "yes") _session->set_dirty ();
 831                         } else {
 832                                 _session->set_dirty ();
 833                         }
 834                 }
 835
 836         }
 837 }
 838
 839 void
 840 VideoTimeLine::close_video_monitor() {
 841         if (vmonitor && vmonitor->is_started()) {
 842                 vmonitor->quit();
 843         }
 844 }
 845
 846 void
 847 VideoTimeLine::control_video_monitor(int what, int param) {
 848         if (!vmonitor || !vmonitor->is_started()) {
 849                 return;
 850         }
 851         vmonitor->send_cmd(what, param);
 852 }
 853
 854
 855 void
 856 VideoTimeLine::terminated_video_monitor () {
 857         if (vmonitor) {
 858                 vmonitor->save_session();
 859                 delete vmonitor;
 860         }
 861         vmonitor=0;
 862         GuiUpdate("set-xjadeo-active-off");
 863         if (reopen_vmonitor) {
 864                 reopen_vmonitor=false;
 865                 open_video_monitor();
 866         } else {
 867                 if (_session) {
 868                         _session->set_dirty ();
 869                 }
 870         }
 871 }
 872
 873 void
 874 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 875 {
 876         if (!vmonitor) { return; }
 877         if (!vmonitor->is_started()) { return; }
 878         if (!vmonitor->synced_by_manual_seeks()) { return; }
 879         vmonitor->manual_seek(pos, false, video_offset); // XXX -> set offset in xjadeo
 880 }