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 "canvas_impl.h"
  34 #include "simpleline.h"
  35 #include "utils_videotl.h"
  36 #include "rgb_macros.h"
  37 #include "video_timeline.h"
  38
  39 #include <gtkmm2ext/utils.h>
  40 #include <pthread.h>
  41 #include <curl/curl.h>
  42
  43 #include "i18n.h"
  44
  45 using namespace std;
  46 using namespace ARDOUR;
  47 using namespace PBD;
  48 using namespace Timecode;
  49
  50 VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Group *vbg, int initial_height)
  51         : editor (ed)
  52                 , videotl_bar_group(vbg)
  53                 , bar_height(initial_height)
  54 {
  55         video_start_offset = 0L;
  56         video_offset = 0L;
  57         video_offset_p = 0L;
  58         video_duration = 0L;
  59         auto_set_session_fps = false;
  60         video_offset_lock = false;
  61         video_aspect_ratio = 4.0/3.0;
  62         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
  63         video_server_url = video_get_server_url(Config);
  64         server_docroot   = video_get_docroot(Config);
  65         video_filename = "";
  66         local_file = true;
  67         video_file_fps = 25.0;
  68         flush_frames = false;
  69         vmonitor=0;
  70         reopen_vmonitor=false;
  71         find_xjadeo();
  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 (X_("POSIX"));
  91
  92         bool is_dirty = false;
  93
  94         XMLNode* prev = _session->extra_xml (X_("Videomonitor"));
  95
  96         /* remember if vmonitor was open.. */
  97         XMLNode* node = new XMLNode(X_("Videomonitor"));
  98
  99         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
 100         if (!prev || !(prev->property (X_("active")) && prev->property (X_("active"))->value() == node->property(X_("active"))->value()) ){
 101                 _session->add_extra_xml (*node);
 102                 is_dirty=true; // TODO not if !prev && value==default
 103         }
 104
 105         /* VTL settings */
 106         node = _session->extra_xml (X_("Videotimeline"));
 107
 108         if (node) {
 109                 if (!(node->property(X_("id")) && node->property(X_("id"))->value() == id().to_s())) {
 110                         node->add_property (X_("id"), id().to_s());
 111                         is_dirty=true;
 112                 }
 113         }
 114
 115         /* remember timeline height.. */
 116         if (node) {
 117                 int h = editor->get_videotl_bar_height();
 118                 if (!(node->property(X_("Height")) && atoi(node->property(X_("Height"))->value().c_str())==h)) {
 119                         node->add_property (X_("Height"), h);
 120                         is_dirty=true;
 121                 }
 122         }
 123
 124         /* save video-offset-lock */
 125         if (node) {
 126                 if (!(node->property(X_("VideoOffsetLock")) && atoi(node->property(X_("VideoOffsetLock"))->value().c_str())==video_offset_lock)) {
 127                         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 128                         is_dirty=true;
 129                 }
 130         }
 131         /* save video-offset */
 132         if (node) {
 133                 if (!(node->property(X_("VideoOffset")) && atoll(node->property(X_("VideoOffset"))->value().c_str())==video_offset)) {
 134                         node->add_property (X_("VideoOffset"), video_offset);
 135                         is_dirty=true;
 136                 }
 137         }
 138
 139         /* save 'auto_set_session_fps' */
 140         if (node) {
 141                 if (!(node->property(X_("AutoFPS")) && atoi(node->property(X_("AutoFPS"))->value().c_str())==auto_set_session_fps)) {
 142                         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 143                         is_dirty=true;
 144                 }
 145         }
 146         if (is_dirty) {
 147                 _session->set_dirty ();
 148         }
 149 }
 150
 151 /* close and save settings */
 152 void
 153 VideoTimeLine::close_session ()
 154 {
 155         if (video_duration == 0) {
 156                 return;
 157         }
 158         save_session();
 159         close_video_monitor();
 160
 161         remove_frames();
 162         video_filename = "";
 163         video_duration = 0;
 164         GuiUpdate("set-xjadeo-sensitive-off");
 165 }
 166
 167 /** load settings from session */
 168 void
 169 VideoTimeLine::set_session (ARDOUR::Session *s)
 170 {
 171         SessionHandlePtr::set_session (s);
 172         if (!_session) { return ; }
 173
 174         LocaleGuard lg (X_("POSIX"));
 175
 176         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 177
 178         if (!node || !node->property (X_("Filename"))) {
 179                 return;
 180         }
 181
 182         if (node) {
 183                 ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 184
 185                 set_id(*node);
 186
 187                 const XMLProperty* proph = node->property (X_("Height"));
 188                 if (proph) {
 189                         editor->set_video_timeline_height(atoi(proph->value().c_str()));
 190                 }
 191 #if 0 /* TODO THINK: set FPS first time only ?! */
 192                 const XMLProperty* propasfps = node->property (X_("AutoFPS"));
 193                 if (propasfps) {
 194                         auto_set_session_fps = atoi(propasfps->value().c_str())?true:false;
 195                 }
 196 #endif
 197
 198                 const XMLProperty* propoffset = node->property (X_("VideoOffset"));
 199                 if (propoffset) {
 200                         video_offset = atoll(propoffset->value().c_str());
 201                         video_offset_p = video_offset;
 202                 }
 203
 204                 const XMLProperty* proplock = node->property (X_("VideoOffsetLock"));
 205                 if (proplock) {
 206                         video_offset_lock = atoi(proplock->value().c_str())?true:false;
 207                 }
 208
 209                 const XMLProperty* localfile = node->property (X_("LocalFile"));
 210                 if (localfile) {
 211                         local_file = atoi(localfile->value().c_str())?true:false;
 212                 }
 213
 214                 const XMLProperty* propf = node->property (X_("Filename"));
 215                 video_file_info(propf->value(), local_file);
 216         }
 217
 218         node = _session->extra_xml (X_("Videomonitor"));
 219         if (node) {
 220                 const XMLProperty* prop = node->property (X_("active"));
 221                 if (prop && prop->value() == "yes" && found_xjadeo() && !video_filename.empty() && local_file) {
 222                         open_video_monitor();
 223                 }
 224         }
 225
 226         _session->register_with_memento_command_factory(id(), this);
 227         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 228 }
 229
 230 void
 231 VideoTimeLine::save_undo ()
 232 {
 233         video_offset_p = video_offset;
 234 }
 235
 236 int
 237 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 238 {
 239         LocaleGuard lg (X_("POSIX"));
 240         const XMLProperty* propoffset = node.property (X_("VideoOffset"));
 241         if (propoffset) {
 242                 video_offset = atoll(propoffset->value().c_str());
 243         }
 244         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 245         return 0;
 246 }
 247
 248 XMLNode&
 249 VideoTimeLine::get_state ()
 250 {
 251         XMLNode* node = new XMLNode (X_("Videotimeline"));
 252         LocaleGuard lg (X_("POSIX"));
 253         node->add_property (X_("VideoOffset"), video_offset_p);
 254         return *node;
 255 }
 256
 257 void
 258 VideoTimeLine::remove_frames ()
 259 {
 260         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 261                 VideoImageFrame *frame = (*i);
 262                 delete frame;
 263                 (*i) = 0;
 264         }
 265         video_frames.clear();
 266 }
 267
 268 VideoImageFrame *
 269 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 270 {
 271         if (vfn==0) cut=0;
 272         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 273                 VideoImageFrame *frame = (*i);
 274                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 275                     && frame->get_rightend() == rightend) { return frame; }
 276         }
 277         return 0;
 278 }
 279
 280 float
 281 VideoTimeLine::get_apv()
 282 {
 283         // XXX: dup code - TODO use this fn in update_video_timeline()
 284         float apv = -1; /* audio frames per video frame; */
 285         if (!_session) return apv;
 286
 287         if (_session->config.get_use_video_file_fps()) {
 288                 if (video_file_fps == 0 ) return apv;
 289         } else {
 290                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 291         }
 292
 293         if (_session->config.get_videotimeline_pullup()) {
 294                 apv = _session->frame_rate();
 295         } else {
 296                 apv = _session->nominal_frame_rate();
 297         }
 298         if (_session->config.get_use_video_file_fps()) {
 299                 apv /= video_file_fps;
 300         } else {
 301                 apv /= _session->timecode_frames_per_second();
 302         }
 303         return apv;
 304 }
 305
 306 void
 307 VideoTimeLine::update_video_timeline()
 308 {
 309         if (!_session) return;
 310
 311         if (_session->config.get_use_video_file_fps()) {
 312                 if (video_file_fps == 0 ) return;
 313         } else {
 314                 if (_session->timecode_frames_per_second() == 0 ) return;
 315         }
 316
 317         double frames_per_unit = editor->unit_to_frame(1.0);
 318         framepos_t leftmost_frame =  editor->leftmost_position();
 319
 320         /* Outline:
 321          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 322          * 2) calculate first frame and distance between video-frames (according to zoom)
 323          * 3) destroy/add frames
 324          * 4) reposition existing frames
 325          * 5) assign framenumber to frames -> request/decode video.
 326          */
 327
 328         /* video-file and session properties */
 329         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 330         float apv; /* audio frames per video frame; */
 331         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 332
 333         /* variables needed to render videotimeline -- what needs to computed first */
 334         framepos_t vtl_start; /* unit: audio-frames ; first displayed video-frame */
 335         framepos_t vtl_dist;  /* unit: audio-frames ; distance between displayed video-frames */
 336         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 337
 338         if (_session->config.get_videotimeline_pullup()) {
 339                 apv = _session->frame_rate();
 340         } else {
 341                 apv = _session->nominal_frame_rate();
 342         }
 343         if (_session->config.get_use_video_file_fps()) {
 344                 apv /= video_file_fps;
 345         } else {
 346                 apv /= _session->timecode_frames_per_second();
 347         }
 348
 349         display_vframe_width = bar_height * video_aspect_ratio;
 350
 351         if (apv > frames_per_unit * display_vframe_width) {
 352                 /* high-zoom: need space between successive video-frames */
 353                 vtl_dist = rint(apv);
 354         } else {
 355                 /* continous timeline: skip video-frames */
 356                 vtl_dist = ceil(display_vframe_width * frames_per_unit / apv) * apv;
 357         }
 358
 359         assert (vtl_dist > 0);
 360         assert (apv > 0);
 361
 362 #define GOFFSET (video_offset)
 363
 364         leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - GOFFSET ) / vtl_dist) * vtl_dist / apv);
 365
 366         vtl_start = rint (GOFFSET + video_start_offset + leftmost_video_frame * apv);
 367         visible_video_frames = 2 + ceil(editor->current_page_frames() / vtl_dist); /* +2 left+right partial frames */
 368
 369         /* expand timeline (cache next/prev page images) */
 370         vtl_start -= visible_video_frames * vtl_dist;
 371         visible_video_frames *=3;
 372
 373         if (vtl_start < GOFFSET ) {
 374                 visible_video_frames += ceil(vtl_start/vtl_dist);
 375                 vtl_start = GOFFSET;
 376         }
 377
 378         /* apply video-file constraints */
 379         if (vtl_start > video_start_offset + video_duration + GOFFSET ) {
 380                 visible_video_frames = 0;
 381         }
 382         /* TODO optimize: compute rather than iterate */
 383         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + GOFFSET) {
 384                 --visible_video_frames;
 385         }
 386
 387         if (flush_frames) {
 388                 remove_frames();
 389                 flush_frames=false;
 390         }
 391
 392         while (video_frames.size() < visible_video_frames) {
 393                 VideoImageFrame *frame;
 394                 frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 395                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 396                 video_frames.push_back(frame);
 397         }
 398
 399         VideoFrames outdated_video_frames;
 400         std::list<int> remaining;
 401
 402         outdated_video_frames = video_frames;
 403
 404 #if 1
 405         /* when zoomed out, ignore shifts by +-1 frame
 406          * which can occur due to rounding errors when
 407          * scrolling to a new leftmost-audio frame.
 408          */
 409         int cut =1;
 410         if (vtl_dist/apv < 3.0) cut =0;
 411 #else
 412         int cut =0;
 413 #endif
 414
 415         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 416                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 417                 framepos_t vframeno = rint ( (vfpos - GOFFSET) / apv); /* unit: video-frames */
 418                 vfpos = (vframeno * apv ) + GOFFSET; /* audio-frame  corresponding to /rounded/ video-frame */
 419
 420                 int rightend = -1; /* unit: pixels */
 421                 if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 422                         rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 423                         //printf("lf(e): %lu\n", vframeno); // XXX
 424                 }
 425                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 426                 if (frame) {
 427                   frame->set_position(vfpos-leftmost_frame);
 428                         outdated_video_frames.remove(frame);
 429                 } else {
 430                         remaining.push_back(vfcount);
 431                 }
 432         }
 433
 434         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 435                 VideoImageFrame *frame = (*i);
 436                 if (remaining.empty()) {
 437                   frame->set_position(-2 * vtl_dist); /* move off screen */
 438                 } else {
 439                         int vfcount=remaining.front();
 440                         remaining.pop_front();
 441                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 442                         framepos_t vframeno = rint ((vfpos - GOFFSET) / apv);  /* unit: video-frames */
 443                         int rightend = -1; /* unit: pixels */
 444                         if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 445                                 rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 446                                 //printf("lf(n): %lu\n", vframeno); // XXX
 447                         }
 448                         frame->set_position(vfpos-leftmost_frame);
 449                         frame->set_videoframe(vframeno, rightend);
 450                 }
 451         }
 452 }
 453
 454 std::string
 455 VideoTimeLine::translated_filename ()
 456 {
 457         if (!local_file){
 458                 return video_filename;
 459         } else {
 460                 return video_map_path(server_docroot, video_filename);
 461         }
 462 }
 463
 464 bool
 465 VideoTimeLine::video_file_info (std::string filename, bool local)
 466 {
 467
 468         local_file = local;
 469         if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
 470                 video_filename = filename;
 471         }  else {
 472                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 473         }
 474
 475         long long int _duration;
 476         double _start_offset;
 477
 478         if (!video_query_info(
 479                         video_server_url, translated_filename(),
 480                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 481                 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;
 482                 return false;
 483         }
 484         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 485         video_start_offset = _start_offset * _session->nominal_frame_rate();
 486
 487         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 488                 switch ((int)floorf(video_file_fps*1000.0)) {
 489                         case 23976:
 490                                 _session->config.set_timecode_format(timecode_23976);
 491                                 break;
 492                         case 24000:
 493                                 _session->config.set_timecode_format(timecode_24);
 494                                 break;
 495                         case 24975:
 496                         case 24976:
 497                                 _session->config.set_timecode_format(timecode_24976);
 498                                 break;
 499                         case 25000:
 500                                 _session->config.set_timecode_format(timecode_25);
 501                                 break;
 502                         case 29970:
 503                                 _session->config.set_timecode_format(timecode_2997drop);
 504                                 break;
 505                         case 30000:
 506                                 _session->config.set_timecode_format(timecode_30);
 507                                 break;
 508                         case 59940:
 509                                 _session->config.set_timecode_format(timecode_5994);
 510                                 break;
 511                         case 60000:
 512                                 _session->config.set_timecode_format(timecode_60);
 513                                 break;
 514                         default:
 515                                 warning << _("Failed to set session-framerate: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
 516                                 break;
 517                 }
 518                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 519         }
 520         if (video_file_fps != _session->timecode_frames_per_second()) {
 521                 warning << _("Video file's framerate is not equal to Ardour session timecode's framerate: ")
 522                         << video_file_fps << _(" vs ") << _session->timecode_frames_per_second() << endmsg;
 523         }
 524         flush_local_cache ();
 525
 526         if (found_xjadeo() && local_file) {
 527                 GuiUpdate("set-xjadeo-sensitive-on");
 528                 if (vmonitor && vmonitor->is_started()) {
 529 #if 1
 530                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 531                          * if the geometry changes to a different line-size alignment
 532                          */
 533                         reopen_vmonitor = true;
 534                         vmonitor->quit();
 535 #else
 536                         vmonitor->set_fps(video_file_fps);
 537                         vmonitor->open(video_filename);
 538 #endif
 539                 }
 540         } else if (!local_file) {
 541 #if 1 /* temp debug/devel message */
 542                 // TODO - call xjremote remotely.
 543                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 544                 GuiUpdate("set-xjadeo-sensitive-off");
 545 #endif
 546         }
 547         VtlUpdate();
 548         return true;
 549 }
 550
 551 bool
 552 VideoTimeLine::check_server ()
 553 {
 554         bool ok = false;
 555         char url[1024];
 556         snprintf(url, sizeof(url), "%s%sstatus"
 557                         , video_server_url.c_str()
 558                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 559                         );
 560         char *res=curl_http_get(url, NULL);
 561         if (res) {
 562                 if (strstr(res, "status: ok, online.")) { ok = true; }
 563                 free(res);
 564         }
 565         return ok;
 566 }
 567
 568 void
 569 VideoTimeLine::gui_update(std::string const & t) {
 570         /* this is to be called via GuiUpdate() only. */
 571         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 572         if (t == "videotimeline-update") {
 573                 editor->queue_visual_videotimeline_update();
 574         } else if (t == "set-xjadeo-active-off") {
 575                 editor->toggle_xjadeo_proc(0);
 576         } else if (t == "set-xjadeo-active-on") {
 577                 editor->toggle_xjadeo_proc(1);
 578         } else if (t == "set-xjadeo-sensitive-on") {
 579                 editor->set_xjadeo_sensitive(true);
 580         } else if (t == "set-xjadeo-sensitive-off") {
 581                 editor->toggle_xjadeo_proc(0);
 582                 //close_video_monitor();
 583                 editor->set_xjadeo_sensitive(false);
 584         } else if (t == "xjadeo-window-ontop-on") {
 585                 editor->toggle_xjadeo_viewoption(1, 1);
 586         } else if (t == "xjadeo-window-ontop-off") {
 587                 editor->toggle_xjadeo_viewoption(1, 0);
 588         } else if (t == "xjadeo-window-osd-timecode-on") {
 589                 editor->toggle_xjadeo_viewoption(2, 1);
 590         } else if (t == "xjadeo-window-osd-timecode-off") {
 591                 editor->toggle_xjadeo_viewoption(2, 0);
 592         } else if (t == "xjadeo-window-osd-frame-on") {
 593                 editor->toggle_xjadeo_viewoption(3, 1);
 594         } else if (t == "xjadeo-window-osd-frame-off") {
 595                 editor->toggle_xjadeo_viewoption(3, 0);
 596         } else if (t == "xjadeo-window-osd-box-on") {
 597                 editor->toggle_xjadeo_viewoption(4, 1);
 598         } else if (t == "xjadeo-window-osd-box-off") {
 599                 editor->toggle_xjadeo_viewoption(4, 0);
 600         } else if (t == "xjadeo-window-fullscreen-on") {
 601                 editor->toggle_xjadeo_viewoption(5, 1);
 602         } else if (t == "xjadeo-window-fullscreen-off") {
 603                 editor->toggle_xjadeo_viewoption(5, 0);
 604         }
 605 }
 606
 607 void
 608 VideoTimeLine::set_height (int height) {
 609         bar_height = height;
 610         flush_local_cache();
 611 }
 612
 613 void
 614 VideoTimeLine::vmon_update () {
 615         if (vmonitor && vmonitor->is_started()) {
 616                 vmonitor->set_offset( GOFFSET); // TODO proper re-init xjadeo w/o restart not just offset.
 617         }
 618 }
 619
 620 void
 621 VideoTimeLine::flush_local_cache () {
 622         flush_frames = true;
 623         vmon_update();
 624 }
 625
 626 void
 627 VideoTimeLine::flush_cache () {
 628         flush_local_cache();
 629         char url[1024];
 630         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 631                         , video_server_url.c_str()
 632                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 633                         );
 634         char *res=curl_http_get(url, NULL);
 635         if (res) {
 636                 free (res);
 637         }
 638         if (vmonitor && vmonitor->is_started()) {
 639                 reopen_vmonitor=true;
 640                 vmonitor->quit();
 641         }
 642         video_file_info(video_filename, local_file);
 643 }
 644
 645 /* config */
 646 void
 647 VideoTimeLine::parameter_changed (std::string const & p)
 648 {
 649         if (p == "video-server-url") {
 650                 set_video_server_url (video_get_server_url(Config));
 651         } else if (p == "video-server-docroot") {
 652                 set_video_server_docroot (video_get_docroot(Config));
 653         } else if (p == "video-advanced-setup") {
 654                 set_video_server_url (video_get_server_url(Config));
 655                 set_video_server_docroot (video_get_docroot(Config));
 656         }
 657         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 658                 VtlUpdate();
 659         }
 660 }
 661
 662 void
 663 VideoTimeLine::set_video_server_url(std::string vsu) {
 664         flush_local_cache ();
 665         video_server_url = vsu;
 666         VtlUpdate();
 667 }
 668
 669 void
 670 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 671         flush_local_cache ();
 672         server_docroot = vsr;
 673         VtlUpdate();
 674 }
 675
 676 /* video-monitor for this timeline */
 677 void
 678 VideoTimeLine::find_xjadeo () {
 679         std::string xjadeo_file_path;
 680         if (getenv("XJREMOTE")) {
 681                 _xjadeo_bin = strdup(getenv("XJREMOTE")); // XXX TODO: free it?!
 682         } else if (find_file_in_search_path (SearchPath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
 683                 _xjadeo_bin = xjadeo_file_path;
 684         }
 685         else if (Glib::file_test(X_("/Applications/Jadeo.app/Contents/MacOS/xjremote"), Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_EXECUTABLE)) {
 686                 _xjadeo_bin = X_("/Applications/Jadeo.app/Contents/MacOS/xjremote");
 687         }
 688         /* TODO: win32: allow to configure PATH to xjremote */
 689         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.exe"), Glib::FILE_TEST_EXISTS)) {
 690                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.exe");
 691         }
 692         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.bat"), Glib::FILE_TEST_EXISTS)) {
 693                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.bat");
 694         }
 695         else  {
 696                 _xjadeo_bin = X_("");
 697                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 698                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 699                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').")
 700                         << endmsg;
 701         }
 702 }
 703
 704 void
 705 VideoTimeLine::open_video_monitor() {
 706         if (!found_xjadeo()) return;
 707         if (!vmonitor) {
 708                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 709                 vmonitor->set_session(_session);
 710                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 711                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 712         } else if (vmonitor->is_started()) {
 713                 return;
 714         }
 715
 716         int xj_settings_mask = vmonitor->restore_settings_mask();
 717         if (_session) {
 718                 /* load mask from Session */
 719                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 720                 if (node) {
 721                         const XMLProperty* prop = node->property (X_("mask"));
 722                         if (prop) {
 723                                 xj_settings_mask = atoi(prop->value().c_str());
 724                         }
 725                 }
 726         }
 727
 728         vmonitor->restore_settings_mask(xj_settings_mask);
 729
 730         if (!vmonitor->start()) {
 731                 warning << "launching xjadeo failed.." << endmsg;
 732                 close_video_monitor();
 733         } else {
 734                 GuiUpdate("set-xjadeo-active-on");
 735                 vmonitor->set_fps(video_file_fps);
 736                 vmonitor->open(video_filename);
 737         }
 738 }
 739
 740 void
 741 VideoTimeLine::close_video_monitor() {
 742         if (vmonitor && vmonitor->is_started()) {
 743                 vmonitor->quit();
 744         }
 745 }
 746
 747 void
 748 VideoTimeLine::control_video_monitor(int what, int param) {
 749         if (!vmonitor || !vmonitor->is_started()) {
 750                 return;
 751         }
 752         vmonitor->send_cmd(what, param);
 753 }
 754
 755
 756 void
 757 VideoTimeLine::terminated_video_monitor () {
 758         if (vmonitor) {
 759                 delete vmonitor;
 760         }
 761         GuiUpdate("set-xjadeo-active-off");
 762         vmonitor=0;
 763   if (reopen_vmonitor) {
 764                 reopen_vmonitor=false;
 765                 open_video_monitor();
 766         }
 767 }
 768
 769 /*
 770 void
 771 VideoTimeLine::clear_video_monitor_session_state ()
 772 {
 773         if (vmonitor) {
 774                 vmonitor->clear_session_state();
 775         } else {
 776           if (!_session) { return; }
 777                 XMLNode* node = new XMLNode(X_("XJSettings"));
 778                 _session->add_extra_xml (*node);
 779                 _session->set_dirty ();
 780         }
 781 }
 782 */
 783
 784 void
 785 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 786 {
 787         if (!vmonitor) { return; }
 788         if (!vmonitor->is_started()) { return; }
 789         if (!vmonitor->synced_by_manual_seeks()) { return; }
 790         vmonitor->manual_seek(pos, false, GOFFSET); // XXX -> set offset in xjadeo
 791 }
 792
 793 #endif /* WITH_VIDEOTIMELINE */