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 "ardour/session_directory.h"
  26
  27 #include "ardour_ui.h"
  28 #include "public_editor.h"
  29 #include "gui_thread.h"
  30 #include "utils.h"
  31 #include "canvas_impl.h"
  32 #include "simpleline.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 "i18n.h"
  42
  43 using namespace std;
  44 using namespace ARDOUR;
  45 using namespace PBD;
  46 using namespace Timecode;
  47
  48 VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Group *vbg, int initial_height)
  49         : editor (ed)
  50                 , videotl_bar_group(vbg)
  51                 , bar_height(initial_height)
  52 {
  53         video_start_offset = 0L;
  54         video_offset = 0L;
  55         video_offset_p = 0L;
  56         video_duration = 0L;
  57         auto_set_session_fps = false;
  58         video_offset_lock = false;
  59         video_aspect_ratio = 4.0/3.0;
  60         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
  61         video_server_url = video_get_server_url(Config);
  62         server_docroot   = video_get_docroot(Config);
  63         video_filename = "";
  64         local_file = true;
  65         video_file_fps = 25.0;
  66         flush_frames = false;
  67         vmonitor=0;
  68         reopen_vmonitor=false;
  69         find_xjadeo();
  70
  71         VtlUpdate.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
  72         GuiUpdate.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
  73 }
  74
  75 VideoTimeLine::~VideoTimeLine ()
  76 {
  77         close_session();
  78 }
  79
  80 /* close and save settings */
  81 void
  82 VideoTimeLine::save_session ()
  83 {
  84         if (!_session) {
  85                 return;
  86         }
  87
  88         LocaleGuard lg (X_("POSIX"));
  89
  90         XMLNode* node = new XMLNode(X_("Videomonitor"));
  91         if (!node) return;
  92         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
  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->add_property (X_("id"), id().to_s());
 106         node->add_property (X_("Height"), editor->get_videotl_bar_height());
 107         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 108         node->add_property (X_("VideoOffset"), video_offset);
 109         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 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 }
 127
 128 void
 129 VideoTimeLine::sync_session_state ()
 130 {
 131         if (!_session || !vmonitor || !vmonitor->is_started()) {
 132                 return;
 133         }
 134         save_session();
 135 }
 136
 137 /** load settings from session */
 138 void
 139 VideoTimeLine::set_session (ARDOUR::Session *s)
 140 {
 141         SessionHandlePtr::set_session (s);
 142         if (!_session) { return ; }
 143
 144         _session->SaveSession.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
 145         LocaleGuard lg (X_("POSIX"));
 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         const XMLProperty* proph = node->property (X_("Height"));
 158         if (proph) {
 159                 editor->set_video_timeline_height(atoi(proph->value().c_str()));
 160         }
 161 #if 0 /* TODO THINK: set FPS first time only ?! */
 162         const XMLProperty* propasfps = node->property (X_("AutoFPS"));
 163         if (propasfps) {
 164                 auto_set_session_fps = atoi(propasfps->value().c_str())?true:false;
 165         }
 166 #endif
 167
 168         const XMLProperty* propoffset = node->property (X_("VideoOffset"));
 169         if (propoffset) {
 170                 video_offset = atoll(propoffset->value().c_str());
 171                 video_offset_p = video_offset;
 172         }
 173
 174         const XMLProperty* proplock = node->property (X_("VideoOffsetLock"));
 175         if (proplock) {
 176                 video_offset_lock = atoi(proplock->value().c_str())?true:false;
 177         }
 178
 179         const XMLProperty* localfile = node->property (X_("LocalFile"));
 180         if (localfile) {
 181                 local_file = atoi(localfile->value().c_str())?true:false;
 182         }
 183
 184         const XMLProperty* propf = node->property (X_("Filename"));
 185         video_file_info(propf->value(), local_file);
 186
 187         if ((node = _session->extra_xml (X_("Videomonitor")))) {
 188                 const XMLProperty* prop = node->property (X_("active"));
 189                 if (prop && prop->value() == "yes" && found_xjadeo() && !video_filename.empty() && local_file) {
 190                         open_video_monitor();
 191                 }
 192         }
 193
 194         _session->register_with_memento_command_factory(id(), this);
 195         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 196 }
 197
 198 void
 199 VideoTimeLine::set_offset_locked (bool v) {
 200         if (_session && v != video_offset_lock) {
 201                 _session->set_dirty ();
 202         }
 203         video_offset_lock = v;
 204 }
 205
 206 void
 207 VideoTimeLine::toggle_offset_locked () {
 208         video_offset_lock = !video_offset_lock;
 209         if (_session) {
 210                 _session->set_dirty ();
 211         }
 212 }
 213
 214 void
 215 VideoTimeLine::save_undo ()
 216 {
 217         if (_session && video_offset_p != video_offset) {
 218                 _session->set_dirty ();
 219         }
 220         video_offset_p = video_offset;
 221 }
 222
 223 int
 224 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 225 {
 226         LocaleGuard lg (X_("POSIX"));
 227         const XMLProperty* propoffset = node.property (X_("VideoOffset"));
 228         if (propoffset) {
 229                 video_offset = atoll(propoffset->value().c_str());
 230         }
 231         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 232         return 0;
 233 }
 234
 235 XMLNode&
 236 VideoTimeLine::get_state ()
 237 {
 238         XMLNode* node = new XMLNode (X_("Videotimeline"));
 239         LocaleGuard lg (X_("POSIX"));
 240         node->add_property (X_("VideoOffset"), video_offset_p);
 241         return *node;
 242 }
 243
 244 void
 245 VideoTimeLine::remove_frames ()
 246 {
 247         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 248                 VideoImageFrame *frame = (*i);
 249                 delete frame;
 250                 (*i) = 0;
 251         }
 252         video_frames.clear();
 253 }
 254
 255 VideoImageFrame *
 256 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 257 {
 258         if (vfn==0) cut=0;
 259         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 260                 VideoImageFrame *frame = (*i);
 261                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 262                     && frame->get_rightend() == rightend) { return frame; }
 263         }
 264         return 0;
 265 }
 266
 267 float
 268 VideoTimeLine::get_apv()
 269 {
 270         // XXX: dup code - TODO use this fn in update_video_timeline()
 271         float apv = -1; /* audio frames per video frame; */
 272         if (!_session) return apv;
 273
 274         if (_session->config.get_use_video_file_fps()) {
 275                 if (video_file_fps == 0 ) return apv;
 276         } else {
 277                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 278         }
 279
 280         if (_session->config.get_videotimeline_pullup()) {
 281                 apv = _session->frame_rate();
 282         } else {
 283                 apv = _session->nominal_frame_rate();
 284         }
 285         if (_session->config.get_use_video_file_fps()) {
 286                 apv /= video_file_fps;
 287         } else {
 288                 apv /= _session->timecode_frames_per_second();
 289         }
 290         return apv;
 291 }
 292
 293 void
 294 VideoTimeLine::update_video_timeline()
 295 {
 296         if (!_session) return;
 297
 298         if (_session->config.get_use_video_file_fps()) {
 299                 if (video_file_fps == 0 ) return;
 300         } else {
 301                 if (_session->timecode_frames_per_second() == 0 ) return;
 302         }
 303
 304         double frames_per_unit = editor->unit_to_frame(1.0);
 305         framepos_t leftmost_frame =  editor->leftmost_position();
 306
 307         /* Outline:
 308          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 309          * 2) calculate first frame and distance between video-frames (according to zoom)
 310          * 3) destroy/add frames
 311          * 4) reposition existing frames
 312          * 5) assign framenumber to frames -> request/decode video.
 313          */
 314
 315         /* video-file and session properties */
 316         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 317         float apv; /* audio frames per video frame; */
 318         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 319
 320         /* variables needed to render videotimeline -- what needs to computed first */
 321         framepos_t vtl_start; /* unit: audio-frames ; first displayed video-frame */
 322         framepos_t vtl_dist;  /* unit: audio-frames ; distance between displayed video-frames */
 323         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 324
 325         if (_session->config.get_videotimeline_pullup()) {
 326                 apv = _session->frame_rate();
 327         } else {
 328                 apv = _session->nominal_frame_rate();
 329         }
 330         if (_session->config.get_use_video_file_fps()) {
 331                 apv /= video_file_fps;
 332         } else {
 333                 apv /= _session->timecode_frames_per_second();
 334         }
 335
 336         display_vframe_width = bar_height * video_aspect_ratio;
 337
 338         if (apv > frames_per_unit * display_vframe_width) {
 339                 /* high-zoom: need space between successive video-frames */
 340                 vtl_dist = rint(apv);
 341         } else {
 342                 /* continous timeline: skip video-frames */
 343                 vtl_dist = ceil(display_vframe_width * frames_per_unit / apv) * apv;
 344         }
 345
 346         assert (vtl_dist > 0);
 347         assert (apv > 0);
 348
 349 #define GOFFSET (video_offset)
 350
 351         leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - GOFFSET ) / vtl_dist) * vtl_dist / apv);
 352
 353         vtl_start = rint (GOFFSET + video_start_offset + leftmost_video_frame * apv);
 354         visible_video_frames = 2 + ceil(editor->current_page_frames() / 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         if (vtl_start < GOFFSET ) {
 361                 visible_video_frames += ceil(vtl_start/vtl_dist);
 362                 vtl_start = GOFFSET;
 363         }
 364
 365         /* apply video-file constraints */
 366         if (vtl_start > video_start_offset + video_duration + GOFFSET ) {
 367                 visible_video_frames = 0;
 368         }
 369         /* TODO optimize: compute rather than iterate */
 370         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + GOFFSET) {
 371                 --visible_video_frames;
 372         }
 373
 374         if (flush_frames) {
 375                 remove_frames();
 376                 flush_frames=false;
 377         }
 378
 379         while (video_frames.size() < visible_video_frames) {
 380                 VideoImageFrame *frame;
 381                 frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 382                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 383                 video_frames.push_back(frame);
 384         }
 385
 386         VideoFrames outdated_video_frames;
 387         std::list<int> remaining;
 388
 389         outdated_video_frames = video_frames;
 390
 391 #if 1
 392         /* when zoomed out, ignore shifts by +-1 frame
 393          * which can occur due to rounding errors when
 394          * scrolling to a new leftmost-audio frame.
 395          */
 396         int cut =1;
 397         if (vtl_dist/apv < 3.0) cut =0;
 398 #else
 399         int cut =0;
 400 #endif
 401
 402         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 403                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 404                 framepos_t vframeno = rint ( (vfpos - GOFFSET) / apv); /* unit: video-frames */
 405                 vfpos = (vframeno * apv ) + GOFFSET; /* audio-frame  corresponding to /rounded/ video-frame */
 406
 407                 int rightend = -1; /* unit: pixels */
 408                 if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 409                         rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 410                         //printf("lf(e): %lu\n", vframeno); // XXX
 411                 }
 412                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 413                 if (frame) {
 414                   frame->set_position(vfpos-leftmost_frame);
 415                         outdated_video_frames.remove(frame);
 416                 } else {
 417                         remaining.push_back(vfcount);
 418                 }
 419         }
 420
 421         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 422                 VideoImageFrame *frame = (*i);
 423                 if (remaining.empty()) {
 424                   frame->set_position(-2 * vtl_dist); /* move off screen */
 425                 } else {
 426                         int vfcount=remaining.front();
 427                         remaining.pop_front();
 428                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 429                         framepos_t vframeno = rint ((vfpos - GOFFSET) / apv);  /* unit: video-frames */
 430                         int rightend = -1; /* unit: pixels */
 431                         if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 432                                 rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 433                                 //printf("lf(n): %lu\n", vframeno); // XXX
 434                         }
 435                         frame->set_position(vfpos-leftmost_frame);
 436                         frame->set_videoframe(vframeno, rightend);
 437                 }
 438         }
 439 }
 440
 441 std::string
 442 VideoTimeLine::translated_filename ()
 443 {
 444         if (!local_file){
 445                 return video_filename;
 446         } else {
 447                 return video_map_path(server_docroot, video_filename);
 448         }
 449 }
 450
 451 bool
 452 VideoTimeLine::video_file_info (std::string filename, bool local)
 453 {
 454
 455         local_file = local;
 456         if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
 457                 video_filename = filename;
 458         }  else {
 459                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 460         }
 461
 462         long long int _duration;
 463         double _start_offset;
 464
 465         if (!video_query_info(
 466                         video_server_url, translated_filename(),
 467                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 468                 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;
 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 << _("Failed to set session-framerate: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
 503                                 break;
 504                 }
 505                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 506         }
 507         if (floor(video_file_fps*100) != floor(_session->timecode_frames_per_second()*100)) {
 508                 warning << _("Video file's framerate is not equal to Ardour session timecode's framerate: ")
 509                         << video_file_fps << _(" vs ") << _session->timecode_frames_per_second() << endmsg;
 510         }
 511         flush_local_cache ();
 512
 513         if (found_xjadeo() && local_file) {
 514                 GuiUpdate("set-xjadeo-sensitive-on");
 515                 if (vmonitor && vmonitor->is_started()) {
 516 #if 1
 517                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 518                          * if the geometry changes to a different line-size alignment
 519                          */
 520                         reopen_vmonitor = true;
 521                         vmonitor->quit();
 522 #else
 523                         vmonitor->set_fps(video_file_fps);
 524                         vmonitor->open(video_filename);
 525 #endif
 526                 }
 527         } else if (!local_file) {
 528 #if 1 /* temp debug/devel message */
 529                 // TODO - call xjremote remotely.
 530                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 531                 GuiUpdate("set-xjadeo-sensitive-off");
 532 #endif
 533         }
 534         VtlUpdate();
 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=curl_http_get(url, NULL);
 548         if (res) {
 549                 if (strstr(res, "status: ok, online.")) { ok = true; }
 550                 free(res);
 551         }
 552         return ok;
 553 }
 554
 555 void
 556 VideoTimeLine::gui_update(std::string const & t) {
 557         /* this is to be called via GuiUpdate() only. */
 558         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 559         if (t == "videotimeline-update") {
 560                 editor->queue_visual_videotimeline_update();
 561         } else if (t == "set-xjadeo-active-off") {
 562                 editor->toggle_xjadeo_proc(0);
 563         } else if (t == "set-xjadeo-active-on") {
 564                 editor->toggle_xjadeo_proc(1);
 565         } else if (t == "set-xjadeo-sensitive-on") {
 566                 editor->set_xjadeo_sensitive(true);
 567         } else if (t == "set-xjadeo-sensitive-off") {
 568                 editor->toggle_xjadeo_proc(0);
 569                 //close_video_monitor();
 570                 editor->set_xjadeo_sensitive(false);
 571         } else if (t == "xjadeo-window-ontop-on") {
 572                 editor->toggle_xjadeo_viewoption(1, 1);
 573         } else if (t == "xjadeo-window-ontop-off") {
 574                 editor->toggle_xjadeo_viewoption(1, 0);
 575         } else if (t == "xjadeo-window-osd-timecode-on") {
 576                 editor->toggle_xjadeo_viewoption(2, 1);
 577         } else if (t == "xjadeo-window-osd-timecode-off") {
 578                 editor->toggle_xjadeo_viewoption(2, 0);
 579         } else if (t == "xjadeo-window-osd-frame-on") {
 580                 editor->toggle_xjadeo_viewoption(3, 1);
 581         } else if (t == "xjadeo-window-osd-frame-off") {
 582                 editor->toggle_xjadeo_viewoption(3, 0);
 583         } else if (t == "xjadeo-window-osd-box-on") {
 584                 editor->toggle_xjadeo_viewoption(4, 1);
 585         } else if (t == "xjadeo-window-osd-box-off") {
 586                 editor->toggle_xjadeo_viewoption(4, 0);
 587         } else if (t == "xjadeo-window-fullscreen-on") {
 588                 editor->toggle_xjadeo_viewoption(5, 1);
 589         } else if (t == "xjadeo-window-fullscreen-off") {
 590                 editor->toggle_xjadeo_viewoption(5, 0);
 591         } else if (t == "xjadeo-window-letterbox-on") {
 592                 editor->toggle_xjadeo_viewoption(6, 1);
 593         } else if (t == "xjadeo-window-letterbox-off") {
 594                 editor->toggle_xjadeo_viewoption(6, 0);
 595         }
 596 }
 597
 598 void
 599 VideoTimeLine::set_height (int height) {
 600         if (_session && bar_height != height) {
 601                 _session->set_dirty ();
 602         }
 603         bar_height = height;
 604         flush_local_cache();
 605 }
 606
 607 void
 608 VideoTimeLine::vmon_update () {
 609         if (vmonitor && vmonitor->is_started()) {
 610                 vmonitor->set_offset( GOFFSET); // TODO proper re-init xjadeo w/o restart not just offset.
 611         }
 612 }
 613
 614 void
 615 VideoTimeLine::flush_local_cache () {
 616         flush_frames = true;
 617         vmon_update();
 618 }
 619
 620 void
 621 VideoTimeLine::flush_cache () {
 622         flush_local_cache();
 623         char url[1024];
 624         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 625                         , video_server_url.c_str()
 626                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 627                         );
 628         char *res=curl_http_get(url, NULL);
 629         if (res) {
 630                 free (res);
 631         }
 632         if (vmonitor && vmonitor->is_started()) {
 633                 reopen_vmonitor=true;
 634                 vmonitor->quit();
 635         }
 636         video_file_info(video_filename, local_file);
 637 }
 638
 639 /* config */
 640 void
 641 VideoTimeLine::parameter_changed (std::string const & p)
 642 {
 643         if (p == "video-server-url") {
 644                 set_video_server_url (video_get_server_url(Config));
 645         } else if (p == "video-server-docroot") {
 646                 set_video_server_docroot (video_get_docroot(Config));
 647         } else if (p == "video-advanced-setup") {
 648                 set_video_server_url (video_get_server_url(Config));
 649                 set_video_server_docroot (video_get_docroot(Config));
 650         }
 651         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 652                 VtlUpdate();
 653         }
 654 }
 655
 656 void
 657 VideoTimeLine::set_video_server_url(std::string vsu) {
 658         flush_local_cache ();
 659         video_server_url = vsu;
 660         VtlUpdate();
 661 }
 662
 663 void
 664 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 665         flush_local_cache ();
 666         server_docroot = vsr;
 667         VtlUpdate();
 668 }
 669
 670 /* video-monitor for this timeline */
 671 void
 672 VideoTimeLine::find_xjadeo () {
 673         std::string xjadeo_file_path;
 674         if (getenv("XJREMOTE")) {
 675                 _xjadeo_bin = strdup(getenv("XJREMOTE")); // XXX TODO: free it?!
 676         } else if (find_file_in_search_path (SearchPath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
 677                 _xjadeo_bin = xjadeo_file_path;
 678         }
 679         else if (Glib::file_test(X_("/Applications/Jadeo.app/Contents/MacOS/xjremote"), Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_EXECUTABLE)) {
 680                 _xjadeo_bin = X_("/Applications/Jadeo.app/Contents/MacOS/xjremote");
 681         }
 682         /* TODO: win32: allow to configure PATH to xjremote */
 683         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.exe"), Glib::FILE_TEST_EXISTS)) {
 684                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.exe");
 685         }
 686         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.bat"), Glib::FILE_TEST_EXISTS)) {
 687                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.bat");
 688         }
 689         else  {
 690                 _xjadeo_bin = X_("");
 691                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 692                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 693                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').")
 694                         << endmsg;
 695         }
 696 }
 697
 698 void
 699 VideoTimeLine::open_video_monitor() {
 700         if (!found_xjadeo()) return;
 701         if (!vmonitor) {
 702                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 703                 vmonitor->set_session(_session);
 704                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 705                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 706         } else if (vmonitor->is_started()) {
 707                 return;
 708         }
 709
 710         int xj_settings_mask = vmonitor->restore_settings_mask();
 711         if (_session) {
 712                 /* load mask from Session */
 713                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 714                 if (node) {
 715                         const XMLProperty* prop = node->property (X_("mask"));
 716                         if (prop) {
 717                                 xj_settings_mask = atoi(prop->value().c_str());
 718                         }
 719                 }
 720         }
 721
 722         vmonitor->restore_settings_mask(xj_settings_mask);
 723
 724         if (!vmonitor->start()) {
 725                 warning << "launching xjadeo failed.." << endmsg;
 726                 close_video_monitor();
 727         } else {
 728                 GuiUpdate("set-xjadeo-active-on");
 729                 vmonitor->set_fps(video_file_fps);
 730                 vmonitor->open(video_filename);
 731
 732                 if (_session) {
 733                         XMLNode* node = _session->extra_xml (X_("Videomonitor"));
 734                         if (node) {
 735                                 const XMLProperty* prop = node->property (X_("active"));
 736                                 if (prop && prop->value() != "yes") _session->set_dirty ();
 737                         } else {
 738                                 _session->set_dirty ();
 739                         }
 740                 }
 741
 742         }
 743 }
 744
 745 void
 746 VideoTimeLine::close_video_monitor() {
 747         if (vmonitor && vmonitor->is_started()) {
 748                 vmonitor->quit();
 749         }
 750 }
 751
 752 void
 753 VideoTimeLine::control_video_monitor(int what, int param) {
 754         if (!vmonitor || !vmonitor->is_started()) {
 755                 return;
 756         }
 757         vmonitor->send_cmd(what, param);
 758 }
 759
 760
 761 void
 762 VideoTimeLine::terminated_video_monitor () {
 763         if (vmonitor) {
 764                 delete vmonitor;
 765         }
 766         GuiUpdate("set-xjadeo-active-off");
 767         vmonitor=0;
 768         if (reopen_vmonitor) {
 769                 reopen_vmonitor=false;
 770                 open_video_monitor();
 771         } else {
 772                 if (_session) {
 773                         _session->set_dirty ();
 774                 }
 775         }
 776 }
 777
 778 /*
 779 void
 780 VideoTimeLine::clear_video_monitor_session_state ()
 781 {
 782         if (vmonitor) {
 783                 vmonitor->clear_session_state();
 784         } else {
 785           if (!_session) { return; }
 786                 XMLNode* node = new XMLNode(X_("XJSettings"));
 787                 _session->add_extra_xml (*node);
 788                 _session->set_dirty ();
 789         }
 790 }
 791 */
 792
 793 void
 794 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 795 {
 796         if (!vmonitor) { return; }
 797         if (!vmonitor->is_started()) { return; }
 798         if (!vmonitor->synced_by_manual_seeks()) { return; }
 799         vmonitor->manual_seek(pos, false, GOFFSET); // XXX -> set offset in xjadeo
 800 }