gtk2_ardour/video_timeline.cc

   1 /*
   2     Copyright (C) 2010 Paul Davis
   3     Author: Robin Gareus <robin@gareus.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20 #include <algorithm>
  21 #include <sigc++/bind.h>
  22 #include "ardour/tempo.h"
  23
  24 #include "pbd/file_utils.h"
  25 #include "ardour/session_directory.h"
  26
  27 #include "ardour_ui.h"
  28 #include "public_editor.h"
  29 #include "gui_thread.h"
  30 #include "utils.h"
  31 #include "utils_videotl.h"
  32 #include "rgb_macros.h"
  33 #include "video_timeline.h"
  34
  35 #include <gtkmm2ext/utils.h>
  36 #include <pthread.h>
  37 #include <curl/curl.h>
  38
  39 #include "i18n.h"
  40
  41 using namespace std;
  42 using namespace ARDOUR;
  43 using namespace PBD;
  44 using namespace Timecode;
  45
  46 VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Group *vbg, int initial_height)
  47         : editor (ed)
  48                 , videotl_bar_group(vbg)
  49                 , bar_height(initial_height)
  50 {
  51         video_start_offset = 0L;
  52         video_offset = 0L;
  53         video_offset_p = 0L;
  54         video_duration = 0L;
  55         auto_set_session_fps = false;
  56         video_offset_lock = false;
  57         video_aspect_ratio = 4.0/3.0;
  58         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
  59         video_server_url = video_get_server_url(Config);
  60         server_docroot   = video_get_docroot(Config);
  61         video_filename = "";
  62         local_file = true;
  63         video_file_fps = 25.0;
  64         flush_frames = false;
  65         vmonitor=0;
  66         reopen_vmonitor=false;
  67         find_xjadeo();
  68
  69         VtlUpdate.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
  70         GuiUpdate.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
  71 }
  72
  73 VideoTimeLine::~VideoTimeLine ()
  74 {
  75         close_session();
  76 }
  77
  78 /* close and save settings */
  79 void
  80 VideoTimeLine::save_session ()
  81 {
  82         if (!_session) {
  83                 return;
  84         }
  85
  86         LocaleGuard lg (X_("POSIX"));
  87
  88         XMLNode* node = new XMLNode(X_("Videomonitor"));
  89         if (!node) return;
  90         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
  91         _session->add_extra_xml (*node);
  92
  93         if (vmonitor) {
  94                 if (vmonitor->is_started()) {
  95                         vmonitor->query_full_state(true);
  96                 }
  97                 vmonitor->save_session();
  98         }
  99
 100         /* VTL settings */
 101         node = _session->extra_xml (X_("Videotimeline"));
 102         if (!node) return;
 103         node->add_property (X_("id"), id().to_s());
 104         node->add_property (X_("Height"), editor->get_videotl_bar_height());
 105         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 106         node->add_property (X_("VideoOffset"), video_offset);
 107         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 108 }
 109
 110 /* close and save settings */
 111 void
 112 VideoTimeLine::close_session ()
 113 {
 114         if (video_duration == 0) {
 115                 return;
 116         }
 117         sessionsave.disconnect();
 118         close_video_monitor();
 119
 120         remove_frames();
 121         video_filename = "";
 122         video_duration = 0;
 123         GuiUpdate("set-xjadeo-sensitive-off");
 124 }
 125
 126 void
 127 VideoTimeLine::sync_session_state ()
 128 {
 129         if (!_session || !vmonitor || !vmonitor->is_started()) {
 130                 return;
 131         }
 132         save_session();
 133 }
 134
 135 /** load settings from session */
 136 void
 137 VideoTimeLine::set_session (ARDOUR::Session *s)
 138 {
 139         SessionHandlePtr::set_session (s);
 140         if (!_session) { return ; }
 141
 142         _session->SaveSession.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
 143         LocaleGuard lg (X_("POSIX"));
 144
 145         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 146
 147         if (!node || !node->property (X_("Filename"))) {
 148                 return;
 149         }
 150
 151         if (node) {
 152                 ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 153
 154                 set_id(*node);
 155
 156                 const XMLProperty* proph = node->property (X_("Height"));
 157                 if (proph) {
 158                         editor->set_video_timeline_height(atoi(proph->value().c_str()));
 159                 }
 160 #if 0 /* TODO THINK: set FPS first time only ?! */
 161                 const XMLProperty* propasfps = node->property (X_("AutoFPS"));
 162                 if (propasfps) {
 163                         auto_set_session_fps = atoi(propasfps->value().c_str())?true:false;
 164                 }
 165 #endif
 166
 167                 const XMLProperty* propoffset = node->property (X_("VideoOffset"));
 168                 if (propoffset) {
 169                         video_offset = atoll(propoffset->value().c_str());
 170                         video_offset_p = video_offset;
 171                 }
 172
 173                 const XMLProperty* proplock = node->property (X_("VideoOffsetLock"));
 174                 if (proplock) {
 175                         video_offset_lock = atoi(proplock->value().c_str())?true:false;
 176                 }
 177
 178                 const XMLProperty* localfile = node->property (X_("LocalFile"));
 179                 if (localfile) {
 180                         local_file = atoi(localfile->value().c_str())?true:false;
 181                 }
 182
 183                 const XMLProperty* propf = node->property (X_("Filename"));
 184                 video_file_info(propf->value(), local_file);
 185         }
 186
 187         node = _session->extra_xml (X_("Videomonitor"));
 188         if (node) {
 189                 const XMLProperty* prop = node->property (X_("active"));
 190                 if (prop && prop->value() == "yes" && found_xjadeo() && !video_filename.empty() && local_file) {
 191                         open_video_monitor();
 192                 }
 193         }
 194
 195         _session->register_with_memento_command_factory(id(), this);
 196         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 197 }
 198
 199 void
 200 VideoTimeLine::set_offset_locked (bool v) {
 201         if (_session && v != video_offset_lock) {
 202                 _session->set_dirty ();
 203         }
 204         video_offset_lock = v;
 205 }
 206
 207 void
 208 VideoTimeLine::toggle_offset_locked () {
 209         video_offset_lock = !video_offset_lock;
 210         if (_session) {
 211                 _session->set_dirty ();
 212         }
 213 }
 214
 215 void
 216 VideoTimeLine::save_undo ()
 217 {
 218         if (_session && video_offset_p != video_offset) {
 219                 _session->set_dirty ();
 220         }
 221         video_offset_p = video_offset;
 222 }
 223
 224 int
 225 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 226 {
 227         LocaleGuard lg (X_("POSIX"));
 228         const XMLProperty* propoffset = node.property (X_("VideoOffset"));
 229         if (propoffset) {
 230                 video_offset = atoll(propoffset->value().c_str());
 231         }
 232         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 233         return 0;
 234 }
 235
 236 XMLNode&
 237 VideoTimeLine::get_state ()
 238 {
 239         XMLNode* node = new XMLNode (X_("Videotimeline"));
 240         LocaleGuard lg (X_("POSIX"));
 241         node->add_property (X_("VideoOffset"), video_offset_p);
 242         return *node;
 243 }
 244
 245 void
 246 VideoTimeLine::remove_frames ()
 247 {
 248         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 249                 VideoImageFrame *frame = (*i);
 250                 delete frame;
 251                 (*i) = 0;
 252         }
 253         video_frames.clear();
 254 }
 255
 256 VideoImageFrame *
 257 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 258 {
 259         if (vfn==0) cut=0;
 260         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 261                 VideoImageFrame *frame = (*i);
 262                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 263                     && frame->get_rightend() == rightend) { return frame; }
 264         }
 265         return 0;
 266 }
 267
 268 float
 269 VideoTimeLine::get_apv()
 270 {
 271         // XXX: dup code - TODO use this fn in update_video_timeline()
 272         float apv = -1; /* audio frames per video frame; */
 273         if (!_session) return apv;
 274
 275         if (_session->config.get_use_video_file_fps()) {
 276                 if (video_file_fps == 0 ) return apv;
 277         } else {
 278                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 279         }
 280
 281         if (_session->config.get_videotimeline_pullup()) {
 282                 apv = _session->frame_rate();
 283         } else {
 284                 apv = _session->nominal_frame_rate();
 285         }
 286         if (_session->config.get_use_video_file_fps()) {
 287                 apv /= video_file_fps;
 288         } else {
 289                 apv /= _session->timecode_frames_per_second();
 290         }
 291         return apv;
 292 }
 293
 294 void
 295 VideoTimeLine::update_video_timeline()
 296 {
 297         if (!_session) return;
 298
 299         if (_session->config.get_use_video_file_fps()) {
 300                 if (video_file_fps == 0 ) return;
 301         } else {
 302                 if (_session->timecode_frames_per_second() == 0 ) return;
 303         }
 304
 305         double frames_per_unit = editor->get_current_zoom();
 306         framepos_t leftmost_frame =  editor->leftmost_sample();
 307
 308         /* Outline:
 309          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 310          * 2) calculate first frame and distance between video-frames (according to zoom)
 311          * 3) destroy/add frames
 312          * 4) reposition existing frames
 313          * 5) assign framenumber to frames -> request/decode video.
 314          */
 315
 316         /* video-file and session properties */
 317         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 318         float apv; /* audio frames per video frame; */
 319         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 320
 321         /* variables needed to render videotimeline -- what needs to computed first */
 322         framepos_t vtl_start; /* unit: audio-frames ; first displayed video-frame */
 323         framepos_t vtl_dist;  /* unit: audio-frames ; distance between displayed video-frames */
 324         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 325
 326         if (_session->config.get_videotimeline_pullup()) {
 327                 apv = _session->frame_rate();
 328         } else {
 329                 apv = _session->nominal_frame_rate();
 330         }
 331         if (_session->config.get_use_video_file_fps()) {
 332                 apv /= video_file_fps;
 333         } else {
 334                 apv /= _session->timecode_frames_per_second();
 335         }
 336
 337         display_vframe_width = bar_height * video_aspect_ratio;
 338
 339         if (apv > frames_per_unit * display_vframe_width) {
 340                 /* high-zoom: need space between successive video-frames */
 341                 vtl_dist = rint(apv);
 342         } else {
 343                 /* continous timeline: skip video-frames */
 344                 vtl_dist = ceil(display_vframe_width * frames_per_unit / apv) * apv;
 345         }
 346
 347         assert (vtl_dist > 0);
 348         assert (apv > 0);
 349
 350 #define GOFFSET (video_offset)
 351
 352         leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - GOFFSET ) / vtl_dist) * vtl_dist / apv);
 353
 354         vtl_start = rint (GOFFSET + video_start_offset + leftmost_video_frame * apv);
 355         visible_video_frames = 2 + ceil(editor->current_page_samples() / vtl_dist); /* +2 left+right partial frames */
 356
 357         /* expand timeline (cache next/prev page images) */
 358         vtl_start -= visible_video_frames * vtl_dist;
 359         visible_video_frames *=3;
 360
 361         if (vtl_start < GOFFSET ) {
 362                 visible_video_frames += ceil(vtl_start/vtl_dist);
 363                 vtl_start = GOFFSET;
 364         }
 365
 366         /* apply video-file constraints */
 367         if (vtl_start > video_start_offset + video_duration + GOFFSET ) {
 368                 visible_video_frames = 0;
 369         }
 370         /* TODO optimize: compute rather than iterate */
 371         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + GOFFSET) {
 372                 --visible_video_frames;
 373         }
 374
 375         if (flush_frames) {
 376                 remove_frames();
 377                 flush_frames=false;
 378         }
 379
 380         while (video_frames.size() < visible_video_frames) {
 381                 VideoImageFrame *frame;
 382                 frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 383                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 384                 video_frames.push_back(frame);
 385         }
 386
 387         VideoFrames outdated_video_frames;
 388         std::list<int> remaining;
 389
 390         outdated_video_frames = video_frames;
 391
 392 #if 1
 393         /* when zoomed out, ignore shifts by +-1 frame
 394          * which can occur due to rounding errors when
 395          * scrolling to a new leftmost-audio frame.
 396          */
 397         int cut =1;
 398         if (vtl_dist/apv < 3.0) cut =0;
 399 #else
 400         int cut =0;
 401 #endif
 402
 403         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 404                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 405                 framepos_t vframeno = rint ( (vfpos - GOFFSET) / apv); /* unit: video-frames */
 406                 vfpos = (vframeno * apv ) + GOFFSET; /* audio-frame  corresponding to /rounded/ video-frame */
 407
 408                 int rightend = -1; /* unit: pixels */
 409                 if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 410                         rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 411                         //printf("lf(e): %lu\n", vframeno); // XXX
 412                 }
 413                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 414                 if (frame) {
 415                   frame->set_position(vfpos);
 416                         outdated_video_frames.remove(frame);
 417                 } else {
 418                         remaining.push_back(vfcount);
 419                 }
 420         }
 421
 422         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 423                 VideoImageFrame *frame = (*i);
 424                 if (remaining.empty()) {
 425                   frame->set_position(-2 * vtl_dist + leftmost_frame); /* move off screen */
 426                 } else {
 427                         int vfcount=remaining.front();
 428                         remaining.pop_front();
 429                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 430                         framepos_t vframeno = rint ((vfpos - GOFFSET) / apv);  /* unit: video-frames */
 431                         int rightend = -1; /* unit: pixels */
 432                         if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 433                                 rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 434                                 //printf("lf(n): %lu\n", vframeno); // XXX
 435                         }
 436                         frame->set_position(vfpos);
 437                         frame->set_videoframe(vframeno, rightend);
 438                 }
 439         }
 440 }
 441
 442 std::string
 443 VideoTimeLine::translated_filename ()
 444 {
 445         if (!local_file){
 446                 return video_filename;
 447         } else {
 448                 return video_map_path(server_docroot, video_filename);
 449         }
 450 }
 451
 452 bool
 453 VideoTimeLine::video_file_info (std::string filename, bool local)
 454 {
 455
 456         local_file = local;
 457         if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
 458                 video_filename = filename;
 459         }  else {
 460                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 461         }
 462
 463         long long int _duration;
 464         double _start_offset;
 465
 466         if (!video_query_info(
 467                         video_server_url, translated_filename(),
 468                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 469                 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;
 470                 return false;
 471         }
 472         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 473         video_start_offset = _start_offset * _session->nominal_frame_rate();
 474
 475         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 476                 switch ((int)floorf(video_file_fps*1000.0)) {
 477                         case 23976:
 478                                 _session->config.set_timecode_format(timecode_23976);
 479                                 break;
 480                         case 24000:
 481                                 _session->config.set_timecode_format(timecode_24);
 482                                 break;
 483                         case 24975:
 484                         case 24976:
 485                                 _session->config.set_timecode_format(timecode_24976);
 486                                 break;
 487                         case 25000:
 488                                 _session->config.set_timecode_format(timecode_25);
 489                                 break;
 490                         case 29970:
 491                                 _session->config.set_timecode_format(timecode_2997drop);
 492                                 break;
 493                         case 30000:
 494                                 _session->config.set_timecode_format(timecode_30);
 495                                 break;
 496                         case 59940:
 497                                 _session->config.set_timecode_format(timecode_5994);
 498                                 break;
 499                         case 60000:
 500                                 _session->config.set_timecode_format(timecode_60);
 501                                 break;
 502                         default:
 503                                 warning << _("Failed to set session-framerate: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
 504                                 break;
 505                 }
 506                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 507         }
 508         if (video_file_fps != _session->timecode_frames_per_second()) {
 509                 warning << _("Video file's framerate is not equal to Ardour session timecode's framerate: ")
 510                         << video_file_fps << _(" vs ") << _session->timecode_frames_per_second() << endmsg;
 511         }
 512         flush_local_cache ();
 513
 514         if (found_xjadeo() && local_file) {
 515                 GuiUpdate("set-xjadeo-sensitive-on");
 516                 if (vmonitor && vmonitor->is_started()) {
 517 #if 1
 518                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 519                          * if the geometry changes to a different line-size alignment
 520                          */
 521                         reopen_vmonitor = true;
 522                         vmonitor->quit();
 523 #else
 524                         vmonitor->set_fps(video_file_fps);
 525                         vmonitor->open(video_filename);
 526 #endif
 527                 }
 528         } else if (!local_file) {
 529 #if 1 /* temp debug/devel message */
 530                 // TODO - call xjremote remotely.
 531                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 532                 GuiUpdate("set-xjadeo-sensitive-off");
 533 #endif
 534         }
 535         VtlUpdate();
 536         return true;
 537 }
 538
 539 bool
 540 VideoTimeLine::check_server ()
 541 {
 542         bool ok = false;
 543         char url[1024];
 544         snprintf(url, sizeof(url), "%s%sstatus"
 545                         , video_server_url.c_str()
 546                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 547                         );
 548         char *res=curl_http_get(url, NULL);
 549         if (res) {
 550                 if (strstr(res, "status: ok, online.")) { ok = true; }
 551                 free(res);
 552         }
 553         return ok;
 554 }
 555
 556 void
 557 VideoTimeLine::gui_update(std::string const & t) {
 558         /* this is to be called via GuiUpdate() only. */
 559         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 560         if (t == "videotimeline-update") {
 561                 editor->queue_visual_videotimeline_update();
 562         } else if (t == "set-xjadeo-active-off") {
 563                 editor->toggle_xjadeo_proc(0);
 564         } else if (t == "set-xjadeo-active-on") {
 565                 editor->toggle_xjadeo_proc(1);
 566         } else if (t == "set-xjadeo-sensitive-on") {
 567                 editor->set_xjadeo_sensitive(true);
 568         } else if (t == "set-xjadeo-sensitive-off") {
 569                 editor->toggle_xjadeo_proc(0);
 570                 //close_video_monitor();
 571                 editor->set_xjadeo_sensitive(false);
 572         } else if (t == "xjadeo-window-ontop-on") {
 573                 editor->toggle_xjadeo_viewoption(1, 1);
 574         } else if (t == "xjadeo-window-ontop-off") {
 575                 editor->toggle_xjadeo_viewoption(1, 0);
 576         } else if (t == "xjadeo-window-osd-timecode-on") {
 577                 editor->toggle_xjadeo_viewoption(2, 1);
 578         } else if (t == "xjadeo-window-osd-timecode-off") {
 579                 editor->toggle_xjadeo_viewoption(2, 0);
 580         } else if (t == "xjadeo-window-osd-frame-on") {
 581                 editor->toggle_xjadeo_viewoption(3, 1);
 582         } else if (t == "xjadeo-window-osd-frame-off") {
 583                 editor->toggle_xjadeo_viewoption(3, 0);
 584         } else if (t == "xjadeo-window-osd-box-on") {
 585                 editor->toggle_xjadeo_viewoption(4, 1);
 586         } else if (t == "xjadeo-window-osd-box-off") {
 587                 editor->toggle_xjadeo_viewoption(4, 0);
 588         } else if (t == "xjadeo-window-fullscreen-on") {
 589                 editor->toggle_xjadeo_viewoption(5, 1);
 590         } else if (t == "xjadeo-window-fullscreen-off") {
 591                 editor->toggle_xjadeo_viewoption(5, 0);
 592         } else if (t == "xjadeo-window-letterbox-on") {
 593                 editor->toggle_xjadeo_viewoption(6, 1);
 594         } else if (t == "xjadeo-window-letterbox-off") {
 595                 editor->toggle_xjadeo_viewoption(6, 0);
 596         }
 597 }
 598
 599 void
 600 VideoTimeLine::set_height (int height) {
 601         if (_session && bar_height != height) {
 602                 _session->set_dirty ();
 603         }
 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() {
 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                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 707         } else if (vmonitor->is_started()) {
 708                 return;
 709         }
 710
 711         int xj_settings_mask = vmonitor->restore_settings_mask();
 712         if (_session) {
 713                 /* load mask from Session */
 714                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 715                 if (node) {
 716                         const XMLProperty* prop = node->property (X_("mask"));
 717                         if (prop) {
 718                                 xj_settings_mask = atoi(prop->value().c_str());
 719                         }
 720                 }
 721         }
 722
 723         vmonitor->restore_settings_mask(xj_settings_mask);
 724
 725         if (!vmonitor->start()) {
 726                 warning << "launching xjadeo failed.." << endmsg;
 727                 close_video_monitor();
 728         } else {
 729                 GuiUpdate("set-xjadeo-active-on");
 730                 vmonitor->set_fps(video_file_fps);
 731                 vmonitor->open(video_filename);
 732
 733                 if (_session) {
 734                         XMLNode* node = _session->extra_xml (X_("Videomonitor"));
 735                         if (node) {
 736                                 const XMLProperty* prop = node->property (X_("active"));
 737                                 if (prop && prop->value() != "yes") _session->set_dirty ();
 738                         } else {
 739                                 _session->set_dirty ();
 740                         }
 741                 }
 742
 743         }
 744 }
 745
 746 void
 747 VideoTimeLine::close_video_monitor() {
 748         if (vmonitor && vmonitor->is_started()) {
 749                 vmonitor->quit();
 750         }
 751 }
 752
 753 void
 754 VideoTimeLine::control_video_monitor(int what, int param) {
 755         if (!vmonitor || !vmonitor->is_started()) {
 756                 return;
 757         }
 758         vmonitor->send_cmd(what, param);
 759 }
 760
 761
 762 void
 763 VideoTimeLine::terminated_video_monitor () {
 764         if (vmonitor) {
 765                 delete vmonitor;
 766         }
 767         GuiUpdate("set-xjadeo-active-off");
 768         vmonitor=0;
 769         if (reopen_vmonitor) {
 770                 reopen_vmonitor=false;
 771                 open_video_monitor();
 772         } else {
 773                 if (_session) {
 774                         _session->set_dirty ();
 775                 }
 776         }
 777 }
 778
 779 /*
 780 void
 781 VideoTimeLine::clear_video_monitor_session_state ()
 782 {
 783         if (vmonitor) {
 784                 vmonitor->clear_session_state();
 785         } else {
 786           if (!_session) { return; }
 787                 XMLNode* node = new XMLNode(X_("XJSettings"));
 788                 _session->add_extra_xml (*node);
 789                 _session->set_dirty ();
 790         }
 791 }
 792 */
 793
 794 void
 795 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 796 {
 797         if (!vmonitor) { return; }
 798         if (!vmonitor->is_started()) { return; }
 799         if (!vmonitor->synced_by_manual_seeks()) { return; }
 800         vmonitor->manual_seek(pos, false, GOFFSET); // XXX -> set offset in xjadeo
 801 }