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/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_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         LocaleGuard lg;
  91
  92         XMLNode* node = new XMLNode(X_("Videomonitor"));
  93         if (!node) return;
  94         node->set_property (X_("active"), (vmonitor && vmonitor->is_started()));
  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->set_property (X_("id"), id());
 108         node->set_property (X_("Height"), editor->get_videotl_bar_height());
 109         node->set_property (X_("VideoOffsetLock"), video_offset_lock);
 110         node->set_property (X_("VideoOffset"), video_offset);
 111         node->set_property (X_("AutoFPS"), auto_set_session_fps);
 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->SessionSaveUnderway.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
 148         LocaleGuard lg;
 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         int height;
 161         if (node->get_property (X_("Height"), height)) {
 162                 editor->set_video_timeline_height(height);
 163         }
 164 #if 0 /* TODO THINK: set FPS first time only ?! */
 165         XMLProperty const * propasfps = node->property (X_("AutoFPS"));
 166         if (propasfps) {
 167                 auto_set_session_fps = atoi(propasfps->value())?true:false;
 168         }
 169 #endif
 170
 171         if (node->get_property (X_("VideoOffset"), video_offset)) {
 172                 video_offset_p = video_offset;
 173         }
 174
 175         node->get_property (X_("VideoOffsetLock"), video_offset_lock);
 176         node->get_property (X_("LocalFile"), local_file);
 177
 178         std::string filename;
 179         if (node->get_property (X_("Filename"), filename)) {
 180                 video_file_info (filename, local_file);
 181         }
 182
 183         if ((node = _session->extra_xml (X_("Videomonitor")))) {
 184                 bool active;
 185                 if (node->get_property (X_("active"), active) && active && found_xjadeo () &&
 186                     !video_filename.empty () && local_file) {
 187                         open_video_monitor();
 188                 }
 189         }
 190
 191         _session->register_with_memento_command_factory(id(), this);
 192         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 193 }
 194
 195 void
 196 VideoTimeLine::set_offset_locked (bool v) {
 197         if (_session && v != video_offset_lock) {
 198                 _session->set_dirty ();
 199         }
 200         video_offset_lock = v;
 201 }
 202
 203 void
 204 VideoTimeLine::toggle_offset_locked () {
 205         video_offset_lock = !video_offset_lock;
 206         if (_session) {
 207                 _session->set_dirty ();
 208         }
 209 }
 210
 211 void
 212 VideoTimeLine::save_undo ()
 213 {
 214         if (_session && video_offset_p != video_offset) {
 215                 _session->set_dirty ();
 216         }
 217         video_offset_p = video_offset;
 218 }
 219
 220 int
 221 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 222 {
 223         LocaleGuard lg;
 224         node.get_property (X_("VideoOffset"), video_offset);
 225         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 226         return 0;
 227 }
 228
 229 XMLNode&
 230 VideoTimeLine::get_state ()
 231 {
 232         XMLNode* node = new XMLNode (X_("Videotimeline"));
 233         LocaleGuard lg;
 234         node->set_property (X_("VideoOffset"), video_offset_p);
 235         return *node;
 236 }
 237
 238 void
 239 VideoTimeLine::remove_frames ()
 240 {
 241         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 242                 VideoImageFrame *frame = (*i);
 243                 delete frame;
 244                 (*i) = 0;
 245         }
 246         video_frames.clear();
 247 }
 248
 249 VideoImageFrame *
 250 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 251 {
 252         if (vfn==0) cut=0;
 253         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 254                 VideoImageFrame *frame = (*i);
 255                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 256                     && frame->get_rightend() == rightend) { return frame; }
 257         }
 258         return 0;
 259 }
 260
 261 float
 262 VideoTimeLine::get_apv()
 263 {
 264         // XXX: dup code - TODO use this fn in update_video_timeline()
 265         float apv = -1; /* audio samples per video frame; */
 266         if (!_session) return apv;
 267
 268         if (_session->config.get_use_video_file_fps()) {
 269                 if (video_file_fps == 0 ) return apv;
 270         } else {
 271                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 272         }
 273
 274         if (_session->config.get_videotimeline_pullup()) {
 275                 apv = _session->frame_rate();
 276         } else {
 277                 apv = _session->nominal_frame_rate();
 278         }
 279         if (_session->config.get_use_video_file_fps()) {
 280                 apv /= video_file_fps;
 281         } else {
 282                 apv /= _session->timecode_frames_per_second();
 283         }
 284         return apv;
 285 }
 286
 287 void
 288 VideoTimeLine::update_video_timeline()
 289 {
 290         if (!_session) return;
 291
 292         if (_session->config.get_use_video_file_fps()) {
 293                 if (video_file_fps == 0 ) return;
 294         } else {
 295                 if (_session->timecode_frames_per_second() == 0 ) return;
 296         }
 297
 298         const double samples_per_pixel = editor->get_current_zoom();
 299         const framepos_t leftmost_sample =  editor->leftmost_sample();
 300
 301         /* Outline:
 302          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 303          * 2) calculate first frame and distance between video-frames (according to zoom)
 304          * 3) destroy/add frames
 305          * 4) reposition existing frames
 306          * 5) assign framenumber to frames -> request/decode video.
 307          */
 308
 309         /* video-file and session properties */
 310         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 311         float apv; /* audio samples per video frame; */
 312         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 313
 314         /* variables needed to render videotimeline -- what needs to computed first */
 315         framepos_t vtl_start; /* unit: audio-samples ; first displayed video-frame */
 316         framepos_t vtl_dist;  /* unit: audio-samples ; distance between displayed video-frames */
 317         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 318
 319         if (_session->config.get_videotimeline_pullup()) {
 320                 apv = _session->frame_rate();
 321         } else {
 322                 apv = _session->nominal_frame_rate();
 323         }
 324         if (_session->config.get_use_video_file_fps()) {
 325                 apv /= video_file_fps;
 326         } else {
 327                 apv /= _session->timecode_frames_per_second();
 328         }
 329
 330         display_vframe_width = bar_height * video_aspect_ratio;
 331
 332         if (apv > samples_per_pixel * display_vframe_width) {
 333                 /* high-zoom: need space between successive video-frames */
 334                 vtl_dist = rint(apv);
 335         } else {
 336                 /* continous timeline: skip video-frames */
 337                 vtl_dist = ceil(display_vframe_width * samples_per_pixel / apv) * apv;
 338         }
 339
 340         assert (vtl_dist > 0);
 341         assert (apv > 0);
 342
 343         leftmost_video_frame = floor (floor((long double)(leftmost_sample - video_start_offset - video_offset ) / vtl_dist) * vtl_dist / apv);
 344
 345         vtl_start = rint (video_offset + video_start_offset + leftmost_video_frame * apv);
 346         visible_video_frames = 2 + ceil((double)editor->current_page_samples() / vtl_dist); /* +2 left+right partial frames */
 347
 348         /* expand timeline (cache next/prev page images) */
 349         vtl_start -= visible_video_frames * vtl_dist;
 350         visible_video_frames *=3;
 351
 352         /* don't request frames that are too far to the right */
 353         if (vtl_start < video_offset) {
 354                 visible_video_frames = std::max((double)0.0, (double)visible_video_frames + ceil((double)(vtl_start - video_offset)/vtl_dist));
 355                 vtl_start = video_offset;
 356         }
 357
 358         /* apply video-file constraints
 359          * (first frame in video is at video_start_offset) */
 360         if (vtl_start > video_start_offset + video_duration + video_offset ) {
 361                 visible_video_frames = 0;
 362         }
 363         /* trim end.
 364          * end = position on timeline (video-offset)  minus  video-file's first frame position
 365          * TODO optimize: compute rather than iterate */
 366         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + video_offset) {
 367                 --visible_video_frames;
 368         }
 369
 370         if (flush_frames) {
 371                 remove_frames();
 372                 flush_frames=false;
 373         }
 374
 375         while (video_frames.size() < visible_video_frames) {
 376                 VideoImageFrame *frame;
 377                 frame = new VideoImageFrame(*editor, *videotl_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 378                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 379                 video_frames.push_back(frame);
 380         }
 381
 382         VideoFrames outdated_video_frames;
 383         std::list<int> remaining;
 384
 385         outdated_video_frames = video_frames;
 386
 387 #if 1
 388         /* when zoomed out, ignore shifts by +-1 frame
 389          * which can occur due to rounding errors when
 390          * scrolling to a new leftmost-audio frame.
 391          */
 392         int cut =1;
 393         if (vtl_dist/apv < 3.0) cut =0;
 394 #else
 395         int cut =0;
 396 #endif
 397
 398         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 399                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 400                 framepos_t vframeno = rint ( (vfpos - video_offset) / apv); /* unit: video-frames */
 401                 vfpos = (vframeno * apv ) + video_offset; /* audio-frame  corresponding to /rounded/ video-frame */
 402
 403                 int rightend = -1; /* unit: pixels */
 404                 if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 405                         rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 406                         //printf("lf(e): %lu\n", vframeno); // XXX
 407                 }
 408                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 409                 if (frame) {
 410                   frame->set_position(vfpos);
 411                         outdated_video_frames.remove(frame);
 412                 } else {
 413                         remaining.push_back(vfcount);
 414                 }
 415         }
 416
 417         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 418                 VideoImageFrame *frame = (*i);
 419                 if (remaining.empty()) {
 420                   frame->set_position(-2 * vtl_dist + leftmost_sample); /* move off screen */
 421                 } else {
 422                         int vfcount=remaining.front();
 423                         remaining.pop_front();
 424                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 425                         framepos_t vframeno = rint ((vfpos - video_offset) / apv);  /* unit: video-frames */
 426                         int rightend = -1; /* unit: pixels */
 427                         if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 428                                 rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 429                                 //printf("lf(n): %lu\n", vframeno); // XXX
 430                         }
 431                         frame->set_position(vfpos);
 432                         frame->set_videoframe(vframeno, rightend);
 433                 }
 434         }
 435 }
 436
 437 std::string
 438 VideoTimeLine::translated_filename ()
 439 {
 440         if (!local_file){
 441                 return video_filename;
 442         } else {
 443                 return video_map_path(server_docroot, video_filename);
 444         }
 445 }
 446
 447 bool
 448 VideoTimeLine::video_file_info (std::string filename, bool local)
 449 {
 450
 451         local_file = local;
 452         if (Glib::path_is_absolute(filename) || !local_file)
 453         {
 454                 video_filename = filename;
 455         }  else {
 456                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 457         }
 458
 459         long long int _duration;
 460         double _start_offset;
 461
 462         if (!video_query_info(
 463                         video_server_url, translated_filename(),
 464                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 465                 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;
 466                 video_duration = 0;
 467                 GuiUpdate("set-xjadeo-sensitive-off");
 468                 GuiUpdate("video-unavailable");
 469                 return false;
 470         }
 471         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 472         video_start_offset = _start_offset * _session->nominal_frame_rate();
 473
 474         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 475                 switch ((int)floorf(video_file_fps*1000.0)) {
 476                         case 23976:
 477                                 _session->config.set_timecode_format(timecode_23976);
 478                                 break;
 479                         case 24000:
 480                                 _session->config.set_timecode_format(timecode_24);
 481                                 break;
 482                         case 24975:
 483                         case 24976:
 484                                 _session->config.set_timecode_format(timecode_24976);
 485                                 break;
 486                         case 25000:
 487                                 _session->config.set_timecode_format(timecode_25);
 488                                 break;
 489                         case 29970:
 490                                 _session->config.set_timecode_format(timecode_2997drop);
 491                                 break;
 492                         case 30000:
 493                                 _session->config.set_timecode_format(timecode_30);
 494                                 break;
 495                         case 59940:
 496                                 _session->config.set_timecode_format(timecode_5994);
 497                                 break;
 498                         case 60000:
 499                                 _session->config.set_timecode_format(timecode_60);
 500                                 break;
 501                         default:
 502                                 warning << string_compose (
 503                                                 _("Failed to set session-framerate: '%1' does not have a corresponding option setting in %2."),
 504                                                 video_file_fps, PROGRAM_NAME ) << endmsg;
 505                                 break;
 506                 }
 507                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 508         }
 509         if (floor(video_file_fps*100) != floor(_session->timecode_frames_per_second()*100)) {
 510                 warning << string_compose(
 511                                 _("Video file's framerate is not equal to %1 session timecode's framerate: '%2' vs '%3'"),
 512                                         PROGRAM_NAME, video_file_fps, _session->timecode_frames_per_second())
 513                                 << endmsg;
 514         }
 515         flush_local_cache ();
 516
 517         if (found_xjadeo() && local_file) {
 518                 GuiUpdate("set-xjadeo-sensitive-on");
 519                 if (vmonitor && vmonitor->is_started()) {
 520 #if 1
 521                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 522                          * if the geometry changes to a different line-size alignment
 523                          */
 524                         reopen_vmonitor = true;
 525                         vmonitor->quit();
 526 #else
 527                         vmonitor->set_fps(video_file_fps);
 528                         vmonitor->open(video_filename);
 529 #endif
 530                 }
 531         } else if (!local_file) {
 532 #if 1 /* temp debug/devel message */
 533                 // TODO - call xjremote remotely.
 534                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 535                 GuiUpdate("set-xjadeo-sensitive-off");
 536 #endif
 537         }
 538         VtlUpdate();
 539         GuiUpdate("video-available");
 540         return true;
 541 }
 542
 543 bool
 544 VideoTimeLine::check_server ()
 545 {
 546         bool ok = false;
 547         char url[1024];
 548         snprintf(url, sizeof(url), "%s%sstatus"
 549                         , video_server_url.c_str()
 550                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 551                         );
 552         char* res = ArdourCurl::http_get (url, NULL);
 553         if (res) {
 554                 if (strstr(res, "status: ok, online.")) { ok = true; }
 555                 free(res);
 556         }
 557         return ok;
 558 }
 559
 560 bool
 561 VideoTimeLine::check_server_docroot ()
 562 {
 563         bool ok = true;
 564         char url[1024];
 565         std::vector<std::vector<std::string> > lines;
 566
 567         if (video_server_url.find("/localhost:") == string::npos) {
 568                 return true;
 569         }
 570         snprintf(url, sizeof(url), "%s%src?format=csv"
 571                         , video_server_url.c_str()
 572                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 573                         );
 574         char* res = ArdourCurl::http_get (url, NULL);
 575         if (!res) {
 576                 return false;
 577         }
 578
 579         ParseCSV(std::string(res), lines);
 580         if (   lines.empty()
 581                         || lines.at(0).empty()
 582                         || lines.at(0).at(0) != video_get_docroot(Config)) {
 583                 warning << string_compose(
 584                                 _("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."),
 585                                 PROGRAM_NAME, video_get_docroot(Config), lines.at(0).at(0))
 586                 << endmsg;
 587                 ok = false; // TODO allow to override
 588         }
 589         free(res);
 590         return ok;
 591 }
 592
 593 void
 594 VideoTimeLine::gui_update(std::string const & t) {
 595         /* this is to be called via GuiUpdate() only. */
 596         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 597         if (t == "videotimeline-update") {
 598                 editor->queue_visual_videotimeline_update();
 599         } else if (t == "set-xjadeo-active-off") {
 600                 editor->toggle_xjadeo_proc(0);
 601         } else if (t == "set-xjadeo-active-on") {
 602                 editor->toggle_xjadeo_proc(1);
 603         } else if (t == "set-xjadeo-sensitive-on") {
 604                 editor->set_xjadeo_sensitive(true);
 605         } else if (t == "set-xjadeo-sensitive-off") {
 606                 editor->toggle_xjadeo_proc(0);
 607                 //close_video_monitor();
 608                 editor->set_xjadeo_sensitive(false);
 609         } else if (t == "xjadeo-window-ontop-on") {
 610                 editor->toggle_xjadeo_viewoption(1, 1);
 611         } else if (t == "xjadeo-window-ontop-off") {
 612                 editor->toggle_xjadeo_viewoption(1, 0);
 613         } else if (t == "xjadeo-window-osd-timecode-on") {
 614                 editor->toggle_xjadeo_viewoption(2, 1);
 615         } else if (t == "xjadeo-window-osd-timecode-off") {
 616                 editor->toggle_xjadeo_viewoption(2, 0);
 617         } else if (t == "xjadeo-window-osd-frame-on") {
 618                 editor->toggle_xjadeo_viewoption(3, 1);
 619         } else if (t == "xjadeo-window-osd-frame-off") {
 620                 editor->toggle_xjadeo_viewoption(3, 0);
 621         } else if (t == "xjadeo-window-osd-box-on") {
 622                 editor->toggle_xjadeo_viewoption(4, 1);
 623         } else if (t == "xjadeo-window-osd-box-off") {
 624                 editor->toggle_xjadeo_viewoption(4, 0);
 625         } else if (t == "xjadeo-window-fullscreen-on") {
 626                 editor->toggle_xjadeo_viewoption(5, 1);
 627         } else if (t == "xjadeo-window-fullscreen-off") {
 628                 editor->toggle_xjadeo_viewoption(5, 0);
 629         } else if (t == "xjadeo-window-letterbox-on") {
 630                 editor->toggle_xjadeo_viewoption(6, 1);
 631         } else if (t == "xjadeo-window-letterbox-off") {
 632                 editor->toggle_xjadeo_viewoption(6, 0);
 633         } else if (t == "video-available") {
 634                 editor->set_close_video_sensitive(true);
 635         } else if (t == "video-unavailable") {
 636                 editor->set_close_video_sensitive(false);
 637         }
 638 }
 639
 640 void
 641 VideoTimeLine::set_height (int height) {
 642         if (_session && bar_height != height) {
 643                 _session->set_dirty ();
 644         }
 645         bar_height = height;
 646         flush_local_cache();
 647 }
 648
 649 void
 650 VideoTimeLine::vmon_update () {
 651         if (vmonitor && vmonitor->is_started()) {
 652                 vmonitor->set_offset(video_offset); // TODO proper re-init xjadeo w/o restart not just offset.
 653         }
 654 }
 655
 656 void
 657 VideoTimeLine::flush_local_cache () {
 658         flush_frames = true;
 659         vmon_update();
 660 }
 661
 662 void
 663 VideoTimeLine::flush_cache () {
 664         flush_local_cache();
 665         char url[1024];
 666         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 667                         , video_server_url.c_str()
 668                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 669                         );
 670         char* res = ArdourCurl::http_get (url, NULL);
 671         if (res) {
 672                 free (res);
 673         }
 674         if (vmonitor && vmonitor->is_started()) {
 675                 reopen_vmonitor=true;
 676                 vmonitor->quit();
 677         }
 678         video_file_info(video_filename, local_file);
 679 }
 680
 681 /* config */
 682 void
 683 VideoTimeLine::parameter_changed (std::string const & p)
 684 {
 685         if (p == "video-server-url") {
 686                 set_video_server_url (video_get_server_url(Config));
 687         } else if (p == "video-server-docroot") {
 688                 set_video_server_docroot (video_get_docroot(Config));
 689         } else if (p == "video-advanced-setup") {
 690                 set_video_server_url (video_get_server_url(Config));
 691                 set_video_server_docroot (video_get_docroot(Config));
 692         }
 693         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 694                 VtlUpdate();
 695         }
 696 }
 697
 698 void
 699 VideoTimeLine::set_video_server_url(std::string vsu) {
 700         flush_local_cache ();
 701         video_server_url = vsu;
 702         VtlUpdate();
 703 }
 704
 705 void
 706 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 707         flush_local_cache ();
 708         server_docroot = vsr;
 709         VtlUpdate();
 710 }
 711
 712 /* video-monitor for this timeline */
 713 void
 714 VideoTimeLine::xjadeo_readversion (std::string d, size_t /* s */) {
 715         xjadeo_version += d;
 716 }
 717
 718 void
 719 VideoTimeLine::find_xjadeo () {
 720         if (!ArdourVideoToolPaths::xjadeo_exe(_xjadeo_bin)) {
 721                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 722                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 723                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').\n"
 724                                 "\n"
 725                                 "see also http://manual.ardour.org/video-timeline/setup/")
 726                         << endmsg;
 727         }
 728
 729         if (found_xjadeo ()) {
 730                 ARDOUR::SystemExec version_check(_xjadeo_bin, X_("--version"));
 731                 xjadeo_version = "";
 732                 version_check.ReadStdout.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, _1 ,_2));
 733                 version_check.Terminated.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, "\n" ,1));
 734                 if (version_check.start(2)) {
 735                         warning << _(
 736                                         "Video-monitor 'xjadeo' cannot be launched."
 737                                         ) << endmsg;
 738                         _xjadeo_bin = X_("");
 739                         return;
 740                 }
 741
 742 #ifdef PLATFORM_WINDOWS
 743                 version_check.wait (); // 40ms timeout
 744 #else
 745                 version_check.wait (WNOHANG);
 746 #endif
 747
 748                 int timeout = 300;
 749                 while (xjadeo_version.empty() && --timeout) {
 750                         Glib::usleep(10000);
 751                 }
 752
 753                 bool v_ok = false;
 754                 size_t vo = xjadeo_version.find(" version ");
 755                 if (vo != string::npos) {
 756                         int v_major, v_minor, v_micro;
 757                         if(sscanf(xjadeo_version.substr(vo + 9, string::npos).c_str(),"%d.%d.%d",
 758                                                 &v_major, &v_minor, &v_micro) == 3)
 759                         {
 760                                 if (v_major >= 1) v_ok = true;
 761                                 else if (v_major == 0 && v_minor >= 8) v_ok = true;
 762                                 else if (v_major == 0 && v_minor >= 7 && v_micro >= 7) v_ok = true;
 763                         }
 764                 }
 765                 if (!v_ok) {
 766                         _xjadeo_bin = X_("");
 767                         warning << _(
 768                                         "Video-monitor 'xjadeo' is too old. "
 769                                         "Please install xjadeo version 0.7.7 or later. http://xjadeo.sf.net/"
 770                                         ) << endmsg;
 771                 }
 772         }
 773 }
 774
 775 void
 776 VideoTimeLine::harvid_readversion (std::string d, size_t /* s */) {
 777         harvid_version += d;
 778 }
 779
 780 void
 781 VideoTimeLine::find_harvid () {
 782         /* This is mainly for the benefit of the windows version:
 783          * harvid >= 0.8.2 allows an empty docroot and ardour can
 784          * pass the drive-letter along.
 785          *
 786          * It is a chicken/egg w.r.t. the video-server dialog
 787          * but needed for default preferences and initial settings.
 788          */
 789         std::string harvid_bin;
 790         if (VideoUtils::harvid_version != 0x0) {
 791                 return;
 792         }
 793         if (!ArdourVideoToolPaths::harvid_exe(harvid_bin)) {
 794                 return;
 795         }
 796         if (harvid_bin.empty ()) {
 797                 return;
 798         }
 799         ARDOUR::SystemExec version_check(harvid_bin, X_("--version"));
 800         harvid_version = "";
 801         version_check.ReadStdout.connect_same_thread (*this, boost::bind (&VideoTimeLine::harvid_readversion, this, _1 ,_2));
 802         version_check.Terminated.connect_same_thread (*this, boost::bind (&VideoTimeLine::harvid_readversion, this, "\n" ,1));
 803         if (version_check.start(2)) {
 804                 return;
 805         }
 806
 807 #ifdef PLATFORM_WINDOWS
 808         version_check.wait (); // 40ms timeout
 809 #else
 810         version_check.wait (WNOHANG);
 811 #endif
 812
 813         int timeout = 300;
 814         while (harvid_version.empty() && --timeout) {
 815                 Glib::usleep(10000);
 816         }
 817
 818         size_t vo = harvid_version.find("harvid v");
 819         if (vo != string::npos) {
 820                 int v_major, v_minor, v_micro;
 821                 if(sscanf(harvid_version.substr(vo + 8, string::npos).c_str(),"%d.%d.%d",
 822                                         &v_major, &v_minor, &v_micro) == 3)
 823                 {
 824                         VideoUtils::harvid_version = (v_major << 16) | (v_minor << 8) | v_micro;
 825                         info << "harvid version: "<< hex << VideoUtils::harvid_version << endmsg;
 826                 }
 827         }
 828 }
 829
 830 void
 831 VideoTimeLine::open_video_monitor() {
 832         if (!found_xjadeo()) return;
 833         if (!vmonitor) {
 834                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 835                 vmonitor->set_session(_session);
 836                 vmonitor->set_offset(video_offset);
 837                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 838                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 839         } else if (vmonitor->is_started()) {
 840                 return;
 841         }
 842
 843 #if 0
 844         /* unused for now.
 845          * the idea is to selective ignore certain monitor window
 846          * states if xjadeo is not running on the same host as ardour.
 847          * However with the removal of the video-monitor-startup-dialogue
 848          * (git rev 5a4d0fff0) these settings are currently not accessible.
 849          */
 850         int xj_settings_mask = vmonitor->restore_settings_mask();
 851         if (_session) {
 852                 /* load mask from Session */
 853                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 854                 if (node) {
 855                         XMLProperty const * prop = node->property (X_("mask"));
 856                         if (prop) {
 857                                 xj_settings_mask = atoi(prop->value());
 858                         }
 859                 }
 860         }
 861
 862         vmonitor->restore_settings_mask(xj_settings_mask);
 863 #endif
 864
 865         if (!vmonitor->start()) {
 866                 warning << "launching xjadeo failed.." << endmsg;
 867                 close_video_monitor();
 868         } else {
 869                 GuiUpdate("set-xjadeo-active-on");
 870                 vmonitor->set_fps(video_file_fps);
 871                 vmonitor->open(video_filename);
 872
 873                 if (_session) {
 874                         XMLNode* node = _session->extra_xml (X_("Videomonitor"));
 875                         if (node) {
 876                                 bool active;
 877                                 if (node->get_property (X_("active"), active) && !active) {
 878                                         _session->set_dirty ();
 879                                 }
 880                         } else {
 881                                 _session->set_dirty ();
 882                         }
 883                 }
 884
 885         }
 886 }
 887
 888 void
 889 VideoTimeLine::close_video_monitor() {
 890         if (vmonitor && vmonitor->is_started()) {
 891                 vmonitor->quit();
 892         }
 893 }
 894
 895 void
 896 VideoTimeLine::control_video_monitor(int what, int param) {
 897         if (!vmonitor || !vmonitor->is_started()) {
 898                 return;
 899         }
 900         vmonitor->send_cmd(what, param);
 901 }
 902
 903
 904 void
 905 VideoTimeLine::terminated_video_monitor () {
 906         if (vmonitor) {
 907                 vmonitor->save_session();
 908                 delete vmonitor;
 909         }
 910         vmonitor=0;
 911         GuiUpdate("set-xjadeo-active-off");
 912         if (reopen_vmonitor) {
 913                 reopen_vmonitor=false;
 914                 open_video_monitor();
 915         } else {
 916                 if (_session) {
 917                         _session->set_dirty ();
 918                 }
 919         }
 920 }
 921
 922 void
 923 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 924 {
 925         if (!vmonitor) { return; }
 926         if (!vmonitor->is_started()) { return; }
 927         if (!vmonitor->synced_by_manual_seeks()) { return; }
 928         vmonitor->manual_seek(pos, false, video_offset); // XXX -> set offset in xjadeo
 929 }