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         open_video_monitor_dialog = 0;
  63         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
  64         video_server_url = video_get_server_url(Config);
  65         server_docroot   = video_get_docroot(Config);
  66         video_filename = "";
  67         local_file = true;
  68         video_file_fps = 25.0;
  69         flush_frames = false;
  70         vmonitor=0;
  71         reopen_vmonitor=false;
  72         find_xjadeo();
  73
  74         VtlUpdate.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
  75         GuiUpdate.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
  76 }
  77
  78 VideoTimeLine::~VideoTimeLine ()
  79 {
  80         close_session();
  81 }
  82
  83 /* close and save settings */
  84 void
  85 VideoTimeLine::save_session ()
  86 {
  87         if (!_session) {
  88                 return;
  89         }
  90
  91         LocaleGuard lg (X_("POSIX"));
  92
  93         bool is_dirty = false;
  94
  95         XMLNode* prev = _session->extra_xml (X_("Videomonitor"));
  96
  97         /* remember if vmonitor was open.. */
  98         XMLNode* node = new XMLNode(X_("Videomonitor"));
  99
 100         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
 101         if (!prev || !(prev->property (X_("active")) && prev->property (X_("active"))->value() == node->property(X_("active"))->value()) ){
 102                 _session->add_extra_xml (*node);
 103                 is_dirty=true; // TODO not if !prev && value==default
 104         }
 105
 106         /* VTL settings */
 107         node = _session->extra_xml (X_("Videotimeline"));
 108
 109         if (node) {
 110                 if (!(node->property(X_("id")) && node->property(X_("id"))->value() == id().to_s())) {
 111                         node->add_property (X_("id"), id().to_s());
 112                         is_dirty=true;
 113                 }
 114         }
 115
 116         /* remember timeline height.. */
 117         if (node) {
 118                 int h = editor->get_videotl_bar_height();
 119                 if (!(node->property(X_("Height")) && atoi(node->property(X_("Height"))->value().c_str())==h)) {
 120                         node->add_property (X_("Height"), h);
 121                         is_dirty=true;
 122                 }
 123         }
 124
 125         /* save video-offset-lock */
 126         if (node) {
 127                 if (!(node->property(X_("VideoOffsetLock")) && atoi(node->property(X_("VideoOffsetLock"))->value().c_str())==video_offset_lock)) {
 128                         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 129                         is_dirty=true;
 130                 }
 131         }
 132         /* save video-offset */
 133         if (node) {
 134                 if (!(node->property(X_("VideoOffset")) && atoll(node->property(X_("VideoOffset"))->value().c_str())==video_offset)) {
 135                         node->add_property (X_("VideoOffset"), video_offset);
 136                         is_dirty=true;
 137                 }
 138         }
 139
 140         /* save 'auto_set_session_fps' */
 141         if (node) {
 142                 if (!(node->property(X_("AutoFPS")) && atoi(node->property(X_("AutoFPS"))->value().c_str())==auto_set_session_fps)) {
 143                         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 144                         is_dirty=true;
 145                 }
 146         }
 147         if (is_dirty) {
 148                 _session->set_dirty ();
 149         }
 150 }
 151
 152 /* close and save settings */
 153 void
 154 VideoTimeLine::close_session ()
 155 {
 156         if (video_duration == 0) {
 157                 return;
 158         }
 159         close_video_monitor();
 160         save_session();
 161
 162         remove_frames();
 163         video_filename = "";
 164         video_duration = 0;
 165         GuiUpdate("set-xjadeo-sensitive-off");
 166         if (open_video_monitor_dialog) {
 167                 delete open_video_monitor_dialog;
 168         }
 169         open_video_monitor_dialog = 0;
 170 }
 171
 172 /** load settings from session */
 173 void
 174 VideoTimeLine::set_session (ARDOUR::Session *s)
 175 {
 176         SessionHandlePtr::set_session (s);
 177         if (!_session) { return ; }
 178
 179         LocaleGuard lg (X_("POSIX"));
 180
 181         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 182
 183         if (!node || !node->property (X_("Filename"))) {
 184                 return;
 185         }
 186
 187         if (node) {
 188                 ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 189
 190                 set_id(*node);
 191
 192                 const XMLProperty* proph = node->property (X_("Height"));
 193                 if (proph) {
 194                         editor->set_video_timeline_height(atoi(proph->value().c_str()));
 195                 }
 196 #if 0 /* TODO THINK: set FPS first time only ?! */
 197                 const XMLProperty* propasfps = node->property (X_("AutoFPS"));
 198                 if (propasfps) {
 199                         auto_set_session_fps = atoi(propasfps->value().c_str())?true:false;
 200                 }
 201 #endif
 202
 203                 const XMLProperty* propoffset = node->property (X_("VideoOffset"));
 204                 if (propoffset) {
 205                         video_offset = atoll(propoffset->value().c_str());
 206                         video_offset_p = video_offset;
 207                 }
 208
 209                 const XMLProperty* proplock = node->property (X_("VideoOffsetLock"));
 210                 if (proplock) {
 211                         video_offset_lock = atoi(proplock->value().c_str())?true:false;
 212                 }
 213
 214                 const XMLProperty* localfile = node->property (X_("LocalFile"));
 215                 if (localfile) {
 216                         local_file = atoi(localfile->value().c_str())?true:false;
 217                 }
 218
 219                 const XMLProperty* propf = node->property (X_("Filename"));
 220                 video_file_info(propf->value(), local_file);
 221         }
 222
 223         if (open_video_monitor_dialog) {
 224                 delete open_video_monitor_dialog;
 225         }
 226         open_video_monitor_dialog = 0;
 227
 228         node = _session->extra_xml (X_("Videomonitor"));
 229         if (node) {
 230                 const XMLProperty* prop = node->property (X_("active"));
 231                 if (prop && prop->value() == "yes" && found_xjadeo() && !video_filename.empty() && local_file) {
 232                         open_video_monitor(false);
 233                 }
 234         }
 235
 236         _session->register_with_memento_command_factory(id(), this);
 237         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 238 }
 239
 240 void
 241 VideoTimeLine::save_undo ()
 242 {
 243         video_offset_p = video_offset;
 244 }
 245
 246 int
 247 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 248 {
 249         LocaleGuard lg (X_("POSIX"));
 250         const XMLProperty* propoffset = node.property (X_("VideoOffset"));
 251         if (propoffset) {
 252                 video_offset = atoll(propoffset->value().c_str());
 253         }
 254         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 255         return 0;
 256 }
 257
 258 XMLNode&
 259 VideoTimeLine::get_state ()
 260 {
 261         XMLNode* node = new XMLNode (X_("Videotimeline"));
 262         LocaleGuard lg (X_("POSIX"));
 263         node->add_property (X_("VideoOffset"), video_offset_p);
 264         return *node;
 265 }
 266
 267 void
 268 VideoTimeLine::remove_frames ()
 269 {
 270         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 271                 VideoImageFrame *frame = (*i);
 272                 delete frame;
 273                 (*i) = 0;
 274         }
 275         video_frames.clear();
 276 }
 277
 278 VideoImageFrame *
 279 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 280 {
 281         if (vfn==0) cut=0;
 282         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 283                 VideoImageFrame *frame = (*i);
 284                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 285                     && frame->get_rightend() == rightend) { return frame; }
 286         }
 287         return 0;
 288 }
 289
 290 float
 291 VideoTimeLine::get_apv()
 292 {
 293         // XXX: dup code - TODO use this fn in update_video_timeline()
 294         float apv = -1; /* audio frames per video frame; */
 295         if (!_session) return apv;
 296
 297         if (_session->config.get_use_video_file_fps()) {
 298                 if (video_file_fps == 0 ) return apv;
 299         } else {
 300                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 301         }
 302
 303         if (_session->config.get_videotimeline_pullup()) {
 304                 apv = _session->frame_rate();
 305         } else {
 306                 apv = _session->nominal_frame_rate();
 307         }
 308         if (_session->config.get_use_video_file_fps()) {
 309                 apv /= video_file_fps;
 310         } else {
 311                 apv /= _session->timecode_frames_per_second();
 312         }
 313         return apv;
 314 }
 315
 316 void
 317 VideoTimeLine::update_video_timeline()
 318 {
 319         if (!_session) return;
 320
 321         if (_session->config.get_use_video_file_fps()) {
 322                 if (video_file_fps == 0 ) return;
 323         } else {
 324                 if (_session->timecode_frames_per_second() == 0 ) return;
 325         }
 326
 327         double frames_per_unit = editor->unit_to_frame(1.0);
 328         framepos_t leftmost_frame =  editor->leftmost_position();
 329
 330         /* Outline:
 331          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 332          * 2) calculate first frame and distance between video-frames (according to zoom)
 333          * 3) destroy/add frames
 334          * 4) reposition existing frames
 335          * 5) assign framenumber to frames -> request/decode video.
 336          */
 337
 338         /* video-file and session properties */
 339         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 340         float apv; /* audio frames per video frame; */
 341         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 342
 343         /* variables needed to render videotimeline -- what needs to computed first */
 344         framepos_t vtl_start; /* unit: audio-frames ; first displayed video-frame */
 345         framepos_t vtl_dist;  /* unit: audio-frames ; distance between displayed video-frames */
 346         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 347
 348         if (_session->config.get_videotimeline_pullup()) {
 349                 apv = _session->frame_rate();
 350         } else {
 351                 apv = _session->nominal_frame_rate();
 352         }
 353         if (_session->config.get_use_video_file_fps()) {
 354                 apv /= video_file_fps;
 355         } else {
 356                 apv /= _session->timecode_frames_per_second();
 357         }
 358
 359         display_vframe_width = bar_height * video_aspect_ratio;
 360
 361         if (apv > frames_per_unit * display_vframe_width) {
 362                 /* high-zoom: need space between successive video-frames */
 363                 vtl_dist = rint(apv);
 364         } else {
 365                 /* continous timeline: skip video-frames */
 366                 vtl_dist = ceil(display_vframe_width * frames_per_unit / apv) * apv;
 367         }
 368
 369         assert (vtl_dist > 0);
 370         assert (apv > 0);
 371
 372 #define GOFFSET (video_offset)
 373
 374         leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - GOFFSET ) / vtl_dist) * vtl_dist / apv);
 375
 376         vtl_start = rint (GOFFSET + video_start_offset + leftmost_video_frame * apv);
 377         visible_video_frames = 2 + ceil(editor->current_page_frames() / vtl_dist); /* +2 left+right partial frames */
 378
 379         /* expand timeline (cache next/prev page images) */
 380         vtl_start -= visible_video_frames * vtl_dist;
 381         visible_video_frames *=3;
 382
 383         if (vtl_start < GOFFSET ) {
 384                 visible_video_frames += ceil(vtl_start/vtl_dist);
 385                 vtl_start = GOFFSET;
 386         }
 387
 388         /* apply video-file constraints */
 389         if (vtl_start > video_start_offset + video_duration + GOFFSET ) {
 390                 visible_video_frames = 0;
 391         }
 392         /* TODO optimize: compute rather than iterate */
 393         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + GOFFSET) {
 394                 --visible_video_frames;
 395         }
 396
 397         if (flush_frames) {
 398                 remove_frames();
 399                 flush_frames=false;
 400         }
 401
 402         while (video_frames.size() < visible_video_frames) {
 403                 VideoImageFrame *frame;
 404                 frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 405                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 406                 video_frames.push_back(frame);
 407         }
 408
 409         VideoFrames outdated_video_frames;
 410         std::list<int> remaining;
 411
 412         outdated_video_frames = video_frames;
 413
 414 #if 1
 415         /* when zoomed out, ignore shifts by +-1 frame
 416          * which can occur due to rounding errors when
 417          * scrolling to a new leftmost-audio frame.
 418          */
 419         int cut =1;
 420         if (vtl_dist/apv < 3.0) cut =0;
 421 #else
 422         int cut =0;
 423 #endif
 424
 425         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 426                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 427                 framepos_t vframeno = rint ( (vfpos - GOFFSET) / apv); /* unit: video-frames */
 428                 vfpos = (vframeno * apv ) + GOFFSET; /* audio-frame  corresponding to /rounded/ video-frame */
 429
 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(e): %lu\n", vframeno); // XXX
 434                 }
 435                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 436                 if (frame) {
 437                   frame->set_position(vfpos-leftmost_frame);
 438                         outdated_video_frames.remove(frame);
 439                 } else {
 440                         remaining.push_back(vfcount);
 441                 }
 442         }
 443
 444         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 445                 VideoImageFrame *frame = (*i);
 446                 if (remaining.empty()) {
 447                   frame->set_position(-2 * vtl_dist); /* move off screen */
 448                 } else {
 449                         int vfcount=remaining.front();
 450                         remaining.pop_front();
 451                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 452                         framepos_t vframeno = rint ((vfpos - GOFFSET) / apv);  /* unit: video-frames */
 453                         int rightend = -1; /* unit: pixels */
 454                         if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 455                                 rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 456                                 //printf("lf(n): %lu\n", vframeno); // XXX
 457                         }
 458                         frame->set_position(vfpos-leftmost_frame);
 459                         frame->set_videoframe(vframeno, rightend);
 460                 }
 461         }
 462 }
 463
 464 std::string
 465 VideoTimeLine::translated_filename ()
 466 {
 467         if (!local_file){
 468                 return video_filename;
 469         } else {
 470                 return video_map_path(server_docroot, video_filename);
 471         }
 472 }
 473
 474 bool
 475 VideoTimeLine::video_file_info (std::string filename, bool local)
 476 {
 477
 478         local_file = local;
 479         if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
 480                 video_filename = filename;
 481         }  else {
 482                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 483         }
 484
 485         long long int _duration;
 486         double _start_offset;
 487
 488         if (!video_query_info(
 489                         video_server_url, translated_filename(),
 490                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 491                 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;
 492                 return false;
 493         }
 494         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 495         video_start_offset = _start_offset * _session->nominal_frame_rate();
 496
 497         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 498                 switch ((int)floorf(video_file_fps*1000.0)) {
 499                         case 23976:
 500                                 _session->config.set_timecode_format(timecode_23976);
 501                                 break;
 502                         case 24000:
 503                                 _session->config.set_timecode_format(timecode_24);
 504                                 break;
 505                         case 24975:
 506                         case 24976:
 507                                 _session->config.set_timecode_format(timecode_24976);
 508                                 break;
 509                         case 25000:
 510                                 _session->config.set_timecode_format(timecode_25);
 511                                 break;
 512                         case 29970:
 513                                 _session->config.set_timecode_format(timecode_2997drop);
 514                                 break;
 515                         case 30000:
 516                                 _session->config.set_timecode_format(timecode_30);
 517                                 break;
 518                         case 59940:
 519                                 _session->config.set_timecode_format(timecode_5994);
 520                                 break;
 521                         case 60000:
 522                                 _session->config.set_timecode_format(timecode_60);
 523                                 break;
 524                         default:
 525                                 warning << _("Failed to set session-framerate: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
 526                                 break;
 527                 }
 528                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 529         }
 530         if (video_file_fps != _session->timecode_frames_per_second()) {
 531                 warning << _("Video file's framerate is not equal to Ardour session timecode's framerate: ")
 532                         << video_file_fps << _(" vs ") << _session->timecode_frames_per_second() << endmsg;
 533         }
 534         flush_local_cache ();
 535
 536         _session->maybe_update_session_range(
 537                         std::max(get_offset(), (ARDOUR::frameoffset_t) 0),
 538                         std::max(get_offset() + get_duration(), (ARDOUR::frameoffset_t) 0)
 539                         );
 540
 541         if (found_xjadeo() && local_file) {
 542                 GuiUpdate("set-xjadeo-sensitive-on");
 543                 if (vmonitor && vmonitor->is_started()) {
 544 #if 1
 545                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 546                          * if the geometry changes to a different line-size alignment
 547                          */
 548                         reopen_vmonitor = true;
 549                         vmonitor->quit();
 550 #else
 551                         vmonitor->set_fps(video_file_fps);
 552                         vmonitor->open(video_filename);
 553 #endif
 554                 }
 555         } else if (!local_file) {
 556 #if 1 /* temp debug/devel message */
 557                 // TODO - call xjremote remotely.
 558                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 559                 GuiUpdate("set-xjadeo-sensitive-off");
 560 #endif
 561         }
 562         VtlUpdate();
 563         return true;
 564 }
 565
 566 bool
 567 VideoTimeLine::check_server ()
 568 {
 569         bool ok = false;
 570         char url[1024];
 571         snprintf(url, sizeof(url), "%s%sstatus"
 572                         , video_server_url.c_str()
 573                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 574                         );
 575         char *res=curl_http_get(url, NULL);
 576         if (res) {
 577                 if (strstr(res, "status: ok, online.")) { ok = true; }
 578                 free(res);
 579         }
 580         return ok;
 581 }
 582
 583 void
 584 VideoTimeLine::gui_update(std::string const & t) {
 585         /* this is to be called via GuiUpdate() only. */
 586         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 587         if (t == "videotimeline-update") {
 588                 editor->queue_visual_videotimeline_update();
 589         } else if (t == "set-xjadeo-active-off") {
 590                 editor->toggle_xjadeo_proc(0);
 591         } else if (t == "set-xjadeo-active-on") {
 592                 editor->toggle_xjadeo_proc(1);
 593         } else if (t == "set-xjadeo-sensitive-on") {
 594                 editor->set_xjadeo_sensitive(true);
 595         } else if (t == "set-xjadeo-sensitive-off") {
 596                 editor->toggle_xjadeo_proc(0);
 597                 //close_video_monitor();
 598                 editor->set_xjadeo_sensitive(false);
 599         }
 600 }
 601
 602 void
 603 VideoTimeLine::set_height (int height) {
 604         bar_height = height;
 605         flush_local_cache();
 606 }
 607
 608 void
 609 VideoTimeLine::vmon_update () {
 610         if (vmonitor && vmonitor->is_started()) {
 611                 vmonitor->set_offset( GOFFSET); // TODO proper re-init xjadeo w/o restart not just offset.
 612         }
 613 }
 614
 615 void
 616 VideoTimeLine::flush_local_cache () {
 617         flush_frames = true;
 618         vmon_update();
 619 }
 620
 621 void
 622 VideoTimeLine::flush_cache () {
 623         flush_local_cache();
 624         char url[1024];
 625         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 626                         , video_server_url.c_str()
 627                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 628                         );
 629         char *res=curl_http_get(url, NULL);
 630         if (res) {
 631                 free (res);
 632         }
 633         if (vmonitor && vmonitor->is_started()) {
 634                 reopen_vmonitor=true;
 635                 vmonitor->quit();
 636         }
 637         video_file_info(video_filename, local_file);
 638 }
 639
 640 /* config */
 641 void
 642 VideoTimeLine::parameter_changed (std::string const & p)
 643 {
 644         if (p == "video-server-url") {
 645                 set_video_server_url (video_get_server_url(Config));
 646         } else if (p == "video-server-docroot") {
 647                 set_video_server_docroot (video_get_docroot(Config));
 648         } else if (p == "video-advanced-setup") {
 649                 set_video_server_url (video_get_server_url(Config));
 650                 set_video_server_docroot (video_get_docroot(Config));
 651         }
 652         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 653                 VtlUpdate();
 654         }
 655 }
 656
 657 void
 658 VideoTimeLine::set_video_server_url(std::string vsu) {
 659         flush_local_cache ();
 660         video_server_url = vsu;
 661         VtlUpdate();
 662 }
 663
 664 void
 665 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 666         flush_local_cache ();
 667         server_docroot = vsr;
 668         VtlUpdate();
 669 }
 670
 671 /* video-monitor for this timeline */
 672 void
 673 VideoTimeLine::find_xjadeo () {
 674         std::string xjadeo_file_path;
 675         if (getenv("XJREMOTE")) {
 676                 _xjadeo_bin = strdup(getenv("XJREMOTE")); // XXX TODO: free it?!
 677         } else if (find_file_in_search_path (SearchPath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
 678                 _xjadeo_bin = xjadeo_file_path;
 679         }
 680         else if (Glib::file_test(X_("/Applications/Jadeo.app/Contents/MacOS/xjremote"), Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_EXECUTABLE)) {
 681                 _xjadeo_bin = X_("/Applications/Jadeo.app/Contents/MacOS/xjremote");
 682         }
 683         /* TODO: win32: allow to configure PATH to xjremote */
 684         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.exe"), Glib::FILE_TEST_EXISTS)) {
 685                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.exe");
 686         }
 687         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.bat"), Glib::FILE_TEST_EXISTS)) {
 688                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.bat");
 689         }
 690         else  {
 691                 _xjadeo_bin = X_("");
 692                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 693                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 694                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').")
 695                         << endmsg;
 696         }
 697 }
 698
 699 void
 700 VideoTimeLine::open_video_monitor(bool interactive) {
 701         if (!found_xjadeo()) return;
 702         if (!vmonitor) {
 703                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 704                 vmonitor->set_session(_session);
 705                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 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         if (interactive && Config->get_video_monitor_setup_dialog()) {
 723                 if (open_video_monitor_dialog == 0) {
 724                         open_video_monitor_dialog = new OpenVideoMonitorDialog(_session);
 725                 }
 726                 if (open_video_monitor_dialog->is_visible()) {
 727                         return;
 728                 }
 729                 open_video_monitor_dialog->setup_settings_mask(xj_settings_mask);
 730                 open_video_monitor_dialog->set_filename(video_filename);
 731                 Gtk::ResponseType r = (Gtk::ResponseType) open_video_monitor_dialog->run ();
 732                 open_video_monitor_dialog->hide();
 733                 if (r != Gtk::RESPONSE_ACCEPT) {
 734                         GuiUpdate("set-xjadeo-active-off");
 735                         return;
 736                 }
 737
 738                 if (_session && (xj_settings_mask != open_video_monitor_dialog->xj_settings_mask()) ) {
 739                         /* save mask to Session */
 740                         XMLNode* node = new XMLNode(X_("XJRestoreSettings"));
 741                         node->add_property (X_("mask"), (const long) open_video_monitor_dialog->xj_settings_mask() );
 742                         _session->add_extra_xml (*node);
 743                         _session->set_dirty ();
 744                 }
 745
 746                 if (open_video_monitor_dialog->show_again()) {
 747                         Config->set_video_monitor_setup_dialog(false);
 748                 }
 749 #if 1
 750                 vmonitor->set_debug(open_video_monitor_dialog->enable_debug());
 751 #endif
 752                 vmonitor->restore_settings_mask(open_video_monitor_dialog->xj_settings_mask());
 753         } else {
 754                 vmonitor->restore_settings_mask(xj_settings_mask);
 755         }
 756
 757
 758         if (!vmonitor->start()) {
 759                 warning << "launching xjadeo failed.." << endmsg;
 760                 close_video_monitor();
 761         } else {
 762                 GuiUpdate("set-xjadeo-active-on");
 763                 vmonitor->set_fps(video_file_fps);
 764                 vmonitor->open(video_filename);
 765         }
 766 }
 767
 768 void
 769 VideoTimeLine::close_video_monitor() {
 770         if (vmonitor && vmonitor->is_started()) {
 771                 vmonitor->quit();
 772         }
 773 }
 774
 775 void
 776 VideoTimeLine::terminated_video_monitor () {
 777         if (vmonitor) {
 778                 delete vmonitor;
 779         }
 780         GuiUpdate("set-xjadeo-active-off");
 781         vmonitor=0;
 782   if (reopen_vmonitor) {
 783                 reopen_vmonitor=false;
 784                 open_video_monitor(false);
 785         }
 786 }
 787
 788 /*
 789 void
 790 VideoTimeLine::clear_video_monitor_session_state ()
 791 {
 792         if (vmonitor) {
 793                 vmonitor->clear_session_state();
 794         } else {
 795           if (!_session) { return; }
 796                 XMLNode* node = new XMLNode(X_("XJSettings"));
 797                 _session->add_extra_xml (*node);
 798                 _session->set_dirty ();
 799         }
 800 }
 801 */
 802
 803 void
 804 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 805 {
 806         if (!vmonitor) { return; }
 807         if (!vmonitor->is_started()) { return; }
 808         if (!vmonitor->synced_by_manual_seeks()) { return; }
 809         vmonitor->manual_seek(pos, false, GOFFSET); // XXX -> set offset in xjadeo
 810 }
 811
 812 #endif /* WITH_VIDEOTIMELINE */