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