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/types_convert.h"
  26 #include "ardour/filesystem_paths.h"
  27 #include "ardour/session_directory.h"
  28
  29 #include "ardour_ui.h"
  30 #include "ardour_http.h"
  31 #include "public_editor.h"
  32 #include "gui_thread.h"
  33 #include "utils_videotl.h"
  34 #include "rgb_macros.h"
  35 #include "video_timeline.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_filename = "";
  63         local_file = true;
  64         video_file_fps = 25.0;
  65         _flush_frames = false;
  66         vmonitor=0;
  67         reopen_vmonitor=false;
  68         find_xjadeo();
  69         find_harvid();
  70         video_server_url = video_get_server_url(Config);
  71         server_docroot   = video_get_docroot(Config);
  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         XMLNode* node = new XMLNode(X_("Videomonitor"));
  91         if (!node) return;
  92         node->set_property (X_("active"), (vmonitor && vmonitor->is_started()));
  93         _session->add_extra_xml (*node);
  94
  95         if (vmonitor) {
  96                 if (vmonitor->is_started()) {
  97                         vmonitor->query_full_state(true);
  98                 }
  99                 vmonitor->save_session();
 100         }
 101
 102         /* VTL settings */
 103         node = _session->extra_xml (X_("Videotimeline"));
 104         if (!node) return;
 105         node->set_property (X_("id"), id());
 106         node->set_property (X_("Height"), editor->get_videotl_bar_height());
 107         node->set_property (X_("VideoOffsetLock"), video_offset_lock);
 108         node->set_property (X_("VideoOffset"), video_offset);
 109         node->set_property (X_("AutoFPS"), auto_set_session_fps);
 110 }
 111
 112 /* close and save settings */
 113 void
 114 VideoTimeLine::close_session ()
 115 {
 116         if (video_duration == 0) {
 117                 return;
 118         }
 119         sessionsave.disconnect();
 120         close_video_monitor();
 121
 122         remove_frames ();
 123         video_filename = "";
 124         video_duration = 0;
 125         GuiUpdate("set-xjadeo-sensitive-off");
 126         GuiUpdate("video-unavailable");
 127 }
 128
 129 void
 130 VideoTimeLine::sync_session_state ()
 131 {
 132         if (!_session || !vmonitor || !vmonitor->is_started()) {
 133                 return;
 134         }
 135         save_session();
 136 }
 137
 138 /** load settings from session */
 139 void
 140 VideoTimeLine::set_session (ARDOUR::Session *s)
 141 {
 142         SessionHandlePtr::set_session (s);
 143         if (!_session) { return ; }
 144
 145         _session->SessionSaveUnderway.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
 146
 147         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 148
 149         if (!node || !node->property (X_("Filename"))) {
 150                 return;
 151         }
 152
 153         ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 154
 155         set_id(*node);
 156
 157         int height;
 158         if (node->get_property (X_("Height"), height)) {
 159                 editor->set_video_timeline_height(height);
 160         }
 161 #if 0 /* TODO THINK: set FPS first time only ?! */
 162         XMLProperty const * propasfps = node->property (X_("AutoFPS"));
 163         if (propasfps) {
 164                 auto_set_session_fps = atoi(propasfps->value())?true:false;
 165         }
 166 #endif
 167
 168         if (node->get_property (X_("VideoOffset"), video_offset)) {
 169                 video_offset_p = video_offset;
 170         }
 171
 172         node->get_property (X_("VideoOffsetLock"), video_offset_lock);
 173         node->get_property (X_("LocalFile"), local_file);
 174
 175         std::string filename;
 176         if (node->get_property (X_("Filename"), filename)) {
 177                 video_file_info (filename, local_file);
 178         }
 179
 180         if ((node = _session->extra_xml (X_("Videomonitor")))) {
 181                 bool active;
 182                 if (node->get_property (X_("active"), active) && active && found_xjadeo () &&
 183                     !video_filename.empty () && local_file) {
 184                         open_video_monitor();
 185                 }
 186         }
 187
 188         _session->register_with_memento_command_factory(id(), this);
 189         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 190 }
 191
 192 void
 193 VideoTimeLine::set_offset_locked (bool v) {
 194         if (_session && v != video_offset_lock) {
 195                 _session->set_dirty ();
 196         }
 197         video_offset_lock = v;
 198 }
 199
 200 void
 201 VideoTimeLine::toggle_offset_locked () {
 202         video_offset_lock = !video_offset_lock;
 203         if (_session) {
 204                 _session->set_dirty ();
 205         }
 206 }
 207
 208 void
 209 VideoTimeLine::save_undo ()
 210 {
 211         if (_session && video_offset_p != video_offset) {
 212                 _session->set_dirty ();
 213         }
 214         video_offset_p = video_offset;
 215 }
 216
 217 int
 218 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 219 {
 220         node.get_property (X_("VideoOffset"), video_offset);
 221         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 222         return 0;
 223 }
 224
 225 XMLNode&
 226 VideoTimeLine::get_state ()
 227 {
 228         XMLNode* node = new XMLNode (X_("Videotimeline"));
 229         node->set_property (X_("VideoOffset"), video_offset_p);
 230         return *node;
 231 }
 232
 233 void
 234 VideoTimeLine::remove_frames ()
 235 {
 236         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 237                 VideoImageFrame* frame = (*i);
 238                 delete frame;
 239                 (*i) = 0;
 240         }
 241         video_frames.clear();
 242 }
 243
 244 VideoImageFrame*
 245 VideoTimeLine::get_video_frame (samplepos_t vfn, int cut, int rightend)
 246 {
 247         if (vfn==0) cut=0;
 248         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 249                 VideoImageFrame* frame = (*i);
 250                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 251                     && frame->get_rightend() == rightend) { return frame; }
 252         }
 253         return 0;
 254 }
 255
 256 float
 257 VideoTimeLine::get_apv()
 258 {
 259         // XXX: dup code - TODO use this fn in update_video_timeline()
 260         float apv = -1; /* audio samples per video frame; */
 261         if (!_session) return apv;
 262
 263         if (_session->config.get_use_video_file_fps()) {
 264                 if (video_file_fps == 0 ) return apv;
 265         } else {
 266                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 267         }
 268
 269         if (_session->config.get_videotimeline_pullup()) {
 270                 apv = _session->sample_rate();
 271         } else {
 272                 apv = _session->nominal_sample_rate();
 273         }
 274         if (_session->config.get_use_video_file_fps()) {
 275                 apv /= video_file_fps;
 276         } else {
 277                 apv /= _session->timecode_frames_per_second();
 278         }
 279         return apv;
 280 }
 281
 282 void
 283 VideoTimeLine::update_video_timeline()
 284 {
 285         if (!_session) return;
 286
 287         if (_session->config.get_use_video_file_fps()) {
 288                 if (video_file_fps == 0 ) return;
 289         } else {
 290                 if (_session->timecode_frames_per_second() == 0 ) return;
 291         }
 292
 293         const double samples_per_pixel = editor->get_current_zoom();
 294         const samplepos_t leftmost_sample =  editor->leftmost_sample();
 295
 296         /* Outline:
 297          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 298          * 2) calculate first frame and distance between video-frames (according to zoom)
 299          * 3) destroy/add frames
 300          * 4) reposition existing frames
 301          * 5) assign framenumber to frames -> request/decode video.
 302          */
 303
 304         /* video-file and session properties */
 305         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 306         float apv; /* audio samples per video frame; */
 307         samplepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 308
 309         /* variables needed to render videotimeline -- what needs to computed first */
 310         samplepos_t vtl_start; /* unit: audio-samples ; first displayed video-frame */
 311         samplepos_t vtl_dist;  /* unit: audio-samples ; distance between displayed video-frames */
 312         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 313
 314         if (_session->config.get_videotimeline_pullup()) {
 315                 apv = _session->sample_rate();
 316         } else {
 317                 apv = _session->nominal_sample_rate();
 318         }
 319         if (_session->config.get_use_video_file_fps()) {
 320                 apv /= video_file_fps;
 321         } else {
 322                 apv /= _session->timecode_frames_per_second();
 323         }
 324
 325         display_vframe_width = bar_height * video_aspect_ratio;
 326
 327         if (apv > samples_per_pixel * display_vframe_width) {
 328                 /* high-zoom: need space between successive video-frames */
 329                 vtl_dist = rint(apv);
 330         } else {
 331                 /* continous timeline: skip video-frames */
 332                 vtl_dist = ceil(display_vframe_width * samples_per_pixel / apv) * apv;
 333         }
 334
 335         assert (vtl_dist > 0);
 336         assert (apv > 0);
 337
 338         leftmost_video_frame = floor (floor((long double)(leftmost_sample - video_start_offset - video_offset ) / vtl_dist) * vtl_dist / apv);
 339
 340         vtl_start = rint (video_offset + video_start_offset + leftmost_video_frame * apv);
 341         visible_video_frames = 2 + ceil((double)editor->current_page_samples() / vtl_dist); /* +2 left+right partial frames */
 342
 343         /* expand timeline (cache next/prev page images) */
 344         vtl_start -= visible_video_frames * vtl_dist;
 345         visible_video_frames *=3;
 346
 347         /* don't request frames that are too far to the right */
 348         if (vtl_start < video_offset) {
 349                 visible_video_frames = std::max((double)0.0, (double)visible_video_frames + ceil((double)(vtl_start - video_offset)/vtl_dist));
 350                 vtl_start = video_offset;
 351         }
 352
 353         /* apply video-file constraints
 354          * (first frame in video is at video_start_offset) */
 355         if (vtl_start > video_start_offset + video_duration + video_offset ) {
 356                 visible_video_frames = 0;
 357         }
 358         /* trim end.
 359          * end = position on timeline (video-offset)  minus  video-file's first frame position
 360          * TODO optimize: compute rather than iterate */
 361         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + video_offset) {
 362                 --visible_video_frames;
 363         }
 364
 365         if (_flush_frames) {
 366                 remove_frames ();
 367                 _flush_frames = false;
 368         }
 369
 370         while (video_frames.size() < visible_video_frames) {
 371                 VideoImageFrame *frame;
 372                 frame = new VideoImageFrame(*editor, *videotl_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 373                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 374                 video_frames.push_back(frame);
 375         }
 376
 377         VideoFrames outdated_video_frames;
 378         std::list<int> remaining;
 379
 380         outdated_video_frames = video_frames;
 381
 382 #if 1
 383         /* when zoomed out, ignore shifts by +-1 sample
 384          * which can occur due to rounding errors when
 385          * scrolling to a new leftmost-audio sample.
 386          */
 387         int cut =1;
 388         if (vtl_dist/apv < 3.0) cut =0;
 389 #else
 390         int cut =0;
 391 #endif
 392
 393         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 394                 samplepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-samples */
 395                 samplepos_t vframeno = rint ( (vfpos - video_offset) / apv); /* unit: video-frames */
 396                 vfpos = (vframeno * apv ) + video_offset; /* audio-sample  corresponding to /rounded/ video-frame */
 397
 398                 int rightend = -1; /* unit: pixels */
 399                 if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 400                         rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 401                         //printf("lf(e): %lu\n", vframeno); // XXX
 402                 }
 403                 VideoImageFrame* frame = get_video_frame(vframeno, cut, rightend);
 404                 if (frame) {
 405                   frame->set_position(vfpos);
 406                         outdated_video_frames.remove (frame);
 407                 } else {
 408                         remaining.push_back(vfcount);
 409                 }
 410         }
 411
 412         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 413                 VideoImageFrame* frame = (*i);
 414                 if (remaining.empty()) {
 415                   frame->set_position(-2 * vtl_dist + leftmost_sample); /* move off screen */
 416                 } else {
 417                         int vfcount = remaining.front();
 418                         remaining.pop_front();
 419                         samplepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-samples */
 420                         samplepos_t vframeno = rint ((vfpos - video_offset) / apv);  /* unit: video-frames */
 421                         int rightend = -1; /* unit: pixels */
 422                         if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 423                                 rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 424                                 //printf("lf(n): %lu\n", vframeno); // XXX
 425                         }
 426                         frame->set_position(vfpos);
 427                         frame->set_videoframe(vframeno, rightend);
 428                 }
 429         }
 430 }
 431
 432 std::string
 433 VideoTimeLine::translated_filename ()
 434 {
 435         if (!local_file){
 436                 return video_filename;
 437         } else {
 438                 return video_map_path(server_docroot, video_filename);
 439         }
 440 }
 441
 442 bool
 443 VideoTimeLine::video_file_info (std::string filename, bool local)
 444 {
 445
 446         local_file = local;
 447         if (Glib::path_is_absolute(filename) || !local_file)
 448         {
 449                 video_filename = filename;
 450         }  else {
 451                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 452         }
 453
 454         long long int _duration;
 455         double _start_offset;
 456
 457         if (!video_query_info(
 458                         video_server_url, translated_filename(),
 459                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 460                 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;
 461                 video_duration = 0;
 462                 GuiUpdate("set-xjadeo-sensitive-off");
 463                 GuiUpdate("video-unavailable");
 464                 return false;
 465         }
 466         video_duration = _duration * _session->nominal_sample_rate() / video_file_fps;
 467         video_start_offset = _start_offset * _session->nominal_sample_rate();
 468
 469         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 470                 switch ((int)floorf(video_file_fps*1000.0)) {
 471                         case 23976:
 472                                 _session->config.set_timecode_format(timecode_23976);
 473                                 break;
 474                         case 24000:
 475                                 _session->config.set_timecode_format(timecode_24);
 476                                 break;
 477                         case 24975:
 478                         case 24976:
 479                                 _session->config.set_timecode_format(timecode_24976);
 480                                 break;
 481                         case 25000:
 482                                 _session->config.set_timecode_format(timecode_25);
 483                                 break;
 484                         case 29970:
 485                                 _session->config.set_timecode_format(timecode_2997drop);
 486                                 break;
 487                         case 30000:
 488                                 _session->config.set_timecode_format(timecode_30);
 489                                 break;
 490                         case 59940:
 491                                 _session->config.set_timecode_format(timecode_5994);
 492                                 break;
 493                         case 60000:
 494                                 _session->config.set_timecode_format(timecode_60);
 495                                 break;
 496                         default:
 497                                 warning << string_compose (
 498                                                 _("Failed to set session-framerate: '%1' does not have a corresponding option setting in %2."),
 499                                                 video_file_fps, PROGRAM_NAME ) << endmsg;
 500                                 break;
 501                 }
 502                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 503         }
 504         if (floor(video_file_fps*100) != floor(_session->timecode_frames_per_second()*100)) {
 505                 warning << string_compose(
 506                                 _("Video file's framerate is not equal to %1 session timecode's framerate: '%2' vs '%3'"),
 507                                         PROGRAM_NAME, video_file_fps, _session->timecode_frames_per_second())
 508                                 << endmsg;
 509         }
 510         flush_local_cache ();
 511
 512         if (found_xjadeo() && local_file) {
 513                 GuiUpdate("set-xjadeo-sensitive-on");
 514                 if (vmonitor && vmonitor->is_started()) {
 515 #if 1
 516                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 517                          * if the geometry changes to a different line-size alignment
 518                          */
 519                         reopen_vmonitor = true;
 520                         vmonitor->quit();
 521 #else
 522                         vmonitor->set_fps(video_file_fps);
 523                         vmonitor->open(video_filename);
 524 #endif
 525                 }
 526         } else if (!local_file) {
 527 #if 1 /* temp debug/devel message */
 528                 // TODO - call xjremote remotely.
 529                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 530                 GuiUpdate("set-xjadeo-sensitive-off");
 531 #endif
 532         }
 533         VtlUpdate();
 534         GuiUpdate("video-available");
 535         return true;
 536 }
 537
 538 bool
 539 VideoTimeLine::check_server ()
 540 {
 541         bool ok = false;
 542         char url[1024];
 543         snprintf(url, sizeof(url), "%s%sstatus"
 544                         , video_server_url.c_str()
 545                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 546                         );
 547         char* res = ArdourCurl::http_get (url, NULL, false);
 548         if (res) {
 549                 if (strstr(res, "status: ok, online.")) { ok = true; }
 550                 free(res);
 551         }
 552         return ok;
 553 }
 554
 555 bool
 556 VideoTimeLine::check_server_docroot ()
 557 {
 558         bool ok = true;
 559         char url[1024];
 560         std::vector<std::vector<std::string> > lines;
 561
 562         if (video_server_url.find("/localhost:") == string::npos) {
 563                 return true;
 564         }
 565         snprintf(url, sizeof(url), "%s%src?format=csv"
 566                         , video_server_url.c_str()
 567                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 568                         );
 569         char* res = ArdourCurl::http_get (url, NULL, false);
 570         if (!res) {
 571                 return false;
 572         }
 573
 574         ParseCSV(std::string(res), lines);
 575         if (   lines.empty()
 576                         || lines.at(0).empty()
 577                         || lines.at(0).at(0) != video_get_docroot(Config)) {
 578                 warning << string_compose(
 579                                 _("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."),
 580                                 PROGRAM_NAME, video_get_docroot(Config), lines.at(0).at(0))
 581                 << endmsg;
 582                 ok = false; // TODO allow to override
 583         }
 584         free(res);
 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         } else if (t == "video-available") {
 629                 editor->set_close_video_sensitive(true);
 630         } else if (t == "video-unavailable") {
 631                 editor->set_close_video_sensitive(false);
 632         }
 633 }
 634
 635 void
 636 VideoTimeLine::set_height (int height) {
 637         if (_session && bar_height != height) {
 638                 _session->set_dirty ();
 639         }
 640         bar_height = height;
 641         flush_local_cache();
 642 }
 643
 644 void
 645 VideoTimeLine::vmon_update () {
 646         if (vmonitor && vmonitor->is_started()) {
 647                 vmonitor->set_offset(video_offset); // TODO proper re-init xjadeo w/o restart not just offset.
 648         }
 649 }
 650
 651 void
 652 VideoTimeLine::flush_local_cache () {
 653         _flush_frames = true;
 654         vmon_update();
 655 }
 656
 657 void
 658 VideoTimeLine::flush_cache () {
 659         flush_local_cache();
 660         char url[1024];
 661         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 662                         , video_server_url.c_str()
 663                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 664                         );
 665         char* res = ArdourCurl::http_get (url, NULL, false);
 666         if (res) {
 667                 free (res);
 668         }
 669         if (vmonitor && vmonitor->is_started()) {
 670                 reopen_vmonitor=true;
 671                 vmonitor->quit();
 672         }
 673         video_file_info(video_filename, local_file);
 674 }
 675
 676 /* config */
 677 void
 678 VideoTimeLine::parameter_changed (std::string const & p)
 679 {
 680         if (p == "video-server-url") {
 681                 set_video_server_url (video_get_server_url(Config));
 682         } else if (p == "video-server-docroot") {
 683                 set_video_server_docroot (video_get_docroot(Config));
 684         } else if (p == "video-advanced-setup") {
 685                 set_video_server_url (video_get_server_url(Config));
 686                 set_video_server_docroot (video_get_docroot(Config));
 687         }
 688         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 689                 VtlUpdate();
 690         }
 691 }
 692
 693 void
 694 VideoTimeLine::set_video_server_url(std::string vsu) {
 695         flush_local_cache ();
 696         video_server_url = vsu;
 697         VtlUpdate();
 698 }
 699
 700 void
 701 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 702         flush_local_cache ();
 703         server_docroot = vsr;
 704         VtlUpdate();
 705 }
 706
 707 /* video-monitor for this timeline */
 708 void
 709 VideoTimeLine::xjadeo_readversion (std::string d, size_t /* s */) {
 710         xjadeo_version += d;
 711 }
 712
 713 void
 714 VideoTimeLine::find_xjadeo () {
 715         if (!ArdourVideoToolPaths::xjadeo_exe(_xjadeo_bin)) {
 716                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 717                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 718                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').\n"
 719                                 "\n"
 720                                 "see also http://manual.ardour.org/video-timeline/setup/")
 721                         << endmsg;
 722         }
 723
 724         if (found_xjadeo ()) {
 725                 ARDOUR::SystemExec version_check(_xjadeo_bin, X_("--version"));
 726                 xjadeo_version = "";
 727                 version_check.ReadStdout.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, _1 ,_2));
 728                 version_check.Terminated.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, "\n" ,1));
 729                 if (version_check.start(2)) {
 730                         warning << _(
 731                                         "Video-monitor 'xjadeo' cannot be launched."
 732                                         ) << endmsg;
 733                         _xjadeo_bin = X_("");
 734                         return;
 735                 }
 736
 737 #ifdef PLATFORM_WINDOWS
 738                 version_check.wait (); // 40ms timeout
 739 #else
 740                 version_check.wait (WNOHANG);
 741 #endif
 742
 743                 int timeout = 300;
 744                 while (xjadeo_version.empty() && --timeout) {
 745                         Glib::usleep(10000);
 746                 }
 747
 748                 bool v_ok = false;
 749                 size_t vo = xjadeo_version.find(" version ");
 750                 if (vo != string::npos) {
 751                         int v_major, v_minor, v_micro;
 752                         if(sscanf(xjadeo_version.substr(vo + 9, string::npos).c_str(),"%d.%d.%d",
 753                                                 &v_major, &v_minor, &v_micro) == 3)
 754                         {
 755                                 if (v_major >= 1) v_ok = true;
 756                                 else if (v_major == 0 && v_minor >= 8) v_ok = true;
 757                                 else if (v_major == 0 && v_minor >= 7 && v_micro >= 7) v_ok = true;
 758                         }
 759                 }
 760                 if (!v_ok) {
 761                         _xjadeo_bin = X_("");
 762                         warning << _(
 763                                         "Video-monitor 'xjadeo' is too old. "
 764                                         "Please install xjadeo version 0.7.7 or later. http://xjadeo.sf.net/"
 765                                         ) << endmsg;
 766                 }
 767         }
 768 }
 769
 770 void
 771 VideoTimeLine::harvid_readversion (std::string d, size_t /* s */) {
 772         harvid_version += d;
 773 }
 774
 775 void
 776 VideoTimeLine::find_harvid () {
 777         /* This is mainly for the benefit of the windows version:
 778          * harvid >= 0.8.2 allows an empty docroot and ardour can
 779          * pass the drive-letter along.
 780          *
 781          * It is a chicken/egg w.r.t. the video-server dialog
 782          * but needed for default preferences and initial settings.
 783          */
 784         std::string harvid_bin;
 785         if (VideoUtils::harvid_version != 0x0) {
 786                 return;
 787         }
 788         if (!ArdourVideoToolPaths::harvid_exe(harvid_bin)) {
 789                 return;
 790         }
 791         if (harvid_bin.empty ()) {
 792                 return;
 793         }
 794         ARDOUR::SystemExec version_check(harvid_bin, X_("--version"));
 795         harvid_version = "";
 796         version_check.ReadStdout.connect_same_thread (*this, boost::bind (&VideoTimeLine::harvid_readversion, this, _1 ,_2));
 797         version_check.Terminated.connect_same_thread (*this, boost::bind (&VideoTimeLine::harvid_readversion, this, "\n" ,1));
 798         if (version_check.start(2)) {
 799                 return;
 800         }
 801
 802 #ifdef PLATFORM_WINDOWS
 803         version_check.wait (); // 40ms timeout
 804 #else
 805         version_check.wait (WNOHANG);
 806 #endif
 807
 808         int timeout = 300;
 809         while (harvid_version.empty() && --timeout) {
 810                 Glib::usleep(10000);
 811         }
 812
 813         size_t vo = harvid_version.find("harvid v");
 814         if (vo != string::npos) {
 815                 int v_major, v_minor, v_micro;
 816                 if(sscanf(harvid_version.substr(vo + 8, string::npos).c_str(),"%d.%d.%d",
 817                                         &v_major, &v_minor, &v_micro) == 3)
 818                 {
 819                         VideoUtils::harvid_version = (v_major << 16) | (v_minor << 8) | v_micro;
 820                         info << "harvid version: "<< hex << VideoUtils::harvid_version << endmsg;
 821                 }
 822         }
 823 }
 824
 825 void
 826 VideoTimeLine::open_video_monitor() {
 827         if (!found_xjadeo()) return;
 828         if (!vmonitor) {
 829                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 830                 vmonitor->set_session(_session);
 831                 vmonitor->set_offset(video_offset);
 832                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 833                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 834         } else if (vmonitor->is_started()) {
 835                 return;
 836         }
 837
 838 #if 0
 839         /* unused for now.
 840          * the idea is to selective ignore certain monitor window
 841          * states if xjadeo is not running on the same host as ardour.
 842          * However with the removal of the video-monitor-startup-dialogue
 843          * (git rev 5a4d0fff0) these settings are currently not accessible.
 844          */
 845         int xj_settings_mask = vmonitor->restore_settings_mask();
 846         if (_session) {
 847                 /* load mask from Session */
 848                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 849                 if (node) {
 850                         XMLProperty const * prop = node->property (X_("mask"));
 851                         if (prop) {
 852                                 xj_settings_mask = atoi(prop->value());
 853                         }
 854                 }
 855         }
 856
 857         vmonitor->restore_settings_mask(xj_settings_mask);
 858 #endif
 859
 860         if (!vmonitor->start()) {
 861                 warning << "launching xjadeo failed.." << endmsg;
 862                 close_video_monitor();
 863         } else {
 864                 GuiUpdate("set-xjadeo-active-on");
 865                 vmonitor->set_fps(video_file_fps);
 866                 vmonitor->open(video_filename);
 867
 868                 if (_session) {
 869                         XMLNode* node = _session->extra_xml (X_("Videomonitor"));
 870                         if (node) {
 871                                 bool active;
 872                                 if (node->get_property (X_("active"), active) && !active) {
 873                                         _session->set_dirty ();
 874                                 }
 875                         } else {
 876                                 _session->set_dirty ();
 877                         }
 878                 }
 879
 880         }
 881 }
 882
 883 void
 884 VideoTimeLine::close_video_monitor() {
 885         if (vmonitor && vmonitor->is_started()) {
 886                 vmonitor->quit();
 887         }
 888 }
 889
 890 void
 891 VideoTimeLine::control_video_monitor(int what, int param) {
 892         if (!vmonitor || !vmonitor->is_started()) {
 893                 return;
 894         }
 895         vmonitor->send_cmd(what, param);
 896 }
 897
 898
 899 void
 900 VideoTimeLine::terminated_video_monitor () {
 901         if (vmonitor) {
 902                 vmonitor->save_session();
 903                 delete vmonitor;
 904         }
 905         vmonitor=0;
 906         GuiUpdate("set-xjadeo-active-off");
 907         if (reopen_vmonitor) {
 908                 reopen_vmonitor=false;
 909                 open_video_monitor();
 910         } else {
 911                 if (_session) {
 912                         _session->set_dirty ();
 913                 }
 914         }
 915 }
 916
 917 void
 918 VideoTimeLine::manual_seek_video_monitor (samplepos_t pos)
 919 {
 920         if (!vmonitor) { return; }
 921         if (!vmonitor->is_started()) { return; }
 922         if (!vmonitor->synced_by_manual_seeks()) { return; }
 923         vmonitor->manual_seek(pos, false, video_offset); // XXX -> set offset in xjadeo
 924 }