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         XMLNode* node = new XMLNode(X_("Videomonitor"));
  93         if (!node) return;
  94         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
  95         _session->add_extra_xml (*node);
  96
  97         if (vmonitor) {
  98                 if (vmonitor->is_started()) {
  99                         vmonitor->query_full_state(true);
 100                 }
 101                 vmonitor->save_session();
 102         }
 103
 104         /* VTL settings */
 105         node = _session->extra_xml (X_("Videotimeline"));
 106         if (!node) return;
 107         node->add_property (X_("id"), id().to_s());
 108         node->add_property (X_("Height"), editor->get_videotl_bar_height());
 109         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 110         node->add_property (X_("VideoOffset"), video_offset);
 111         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 112 }
 113
 114 /* close and save settings */
 115 void
 116 VideoTimeLine::close_session ()
 117 {
 118         if (video_duration == 0) {
 119                 return;
 120         }
 121         sessionsave.disconnect();
 122         close_video_monitor();
 123
 124         remove_frames();
 125         video_filename = "";
 126         video_duration = 0;
 127         GuiUpdate("set-xjadeo-sensitive-off");
 128 }
 129
 130 void
 131 VideoTimeLine::sync_session_state ()
 132 {
 133         if (!_session || !vmonitor || !vmonitor->is_started()) {
 134                 return;
 135         }
 136         save_session();
 137 }
 138
 139 /** load settings from session */
 140 void
 141 VideoTimeLine::set_session (ARDOUR::Session *s)
 142 {
 143         SessionHandlePtr::set_session (s);
 144         if (!_session) { return ; }
 145
 146         _session->SaveSession.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
 147         LocaleGuard lg (X_("POSIX"));
 148
 149         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 150
 151         if (!node || !node->property (X_("Filename"))) {
 152                 return;
 153         }
 154
 155         if (node) {
 156                 ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 157
 158                 set_id(*node);
 159
 160                 const XMLProperty* proph = node->property (X_("Height"));
 161                 if (proph) {
 162                         editor->set_video_timeline_height(atoi(proph->value().c_str()));
 163                 }
 164 #if 0 /* TODO THINK: set FPS first time only ?! */
 165                 const XMLProperty* propasfps = node->property (X_("AutoFPS"));
 166                 if (propasfps) {
 167                         auto_set_session_fps = atoi(propasfps->value().c_str())?true:false;
 168                 }
 169 #endif
 170
 171                 const XMLProperty* propoffset = node->property (X_("VideoOffset"));
 172                 if (propoffset) {
 173                         video_offset = atoll(propoffset->value().c_str());
 174                         video_offset_p = video_offset;
 175                 }
 176
 177                 const XMLProperty* proplock = node->property (X_("VideoOffsetLock"));
 178                 if (proplock) {
 179                         video_offset_lock = atoi(proplock->value().c_str())?true:false;
 180                 }
 181
 182                 const XMLProperty* localfile = node->property (X_("LocalFile"));
 183                 if (localfile) {
 184                         local_file = atoi(localfile->value().c_str())?true:false;
 185                 }
 186
 187                 const XMLProperty* propf = node->property (X_("Filename"));
 188                 video_file_info(propf->value(), local_file);
 189         }
 190
 191         node = _session->extra_xml (X_("Videomonitor"));
 192         if (node) {
 193                 const XMLProperty* prop = node->property (X_("active"));
 194                 if (prop && prop->value() == "yes" && found_xjadeo() && !video_filename.empty() && local_file) {
 195                         open_video_monitor();
 196                 }
 197         }
 198
 199         _session->register_with_memento_command_factory(id(), this);
 200         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 201 }
 202
 203 void
 204 VideoTimeLine::set_offset_locked (bool v) {
 205         if (_session && v != video_offset_lock) {
 206                 _session->set_dirty ();
 207         }
 208         video_offset_lock = v;
 209 }
 210
 211 void
 212 VideoTimeLine::toggle_offset_locked () {
 213         video_offset_lock = !video_offset_lock;
 214         if (_session) {
 215                 _session->set_dirty ();
 216         }
 217 }
 218
 219 void
 220 VideoTimeLine::save_undo ()
 221 {
 222         if (_session && video_offset_p != video_offset) {
 223                 _session->set_dirty ();
 224         }
 225         video_offset_p = video_offset;
 226 }
 227
 228 int
 229 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 230 {
 231         LocaleGuard lg (X_("POSIX"));
 232         const XMLProperty* propoffset = node.property (X_("VideoOffset"));
 233         if (propoffset) {
 234                 video_offset = atoll(propoffset->value().c_str());
 235         }
 236         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 237         return 0;
 238 }
 239
 240 XMLNode&
 241 VideoTimeLine::get_state ()
 242 {
 243         XMLNode* node = new XMLNode (X_("Videotimeline"));
 244         LocaleGuard lg (X_("POSIX"));
 245         node->add_property (X_("VideoOffset"), video_offset_p);
 246         return *node;
 247 }
 248
 249 void
 250 VideoTimeLine::remove_frames ()
 251 {
 252         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 253                 VideoImageFrame *frame = (*i);
 254                 delete frame;
 255                 (*i) = 0;
 256         }
 257         video_frames.clear();
 258 }
 259
 260 VideoImageFrame *
 261 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 262 {
 263         if (vfn==0) cut=0;
 264         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 265                 VideoImageFrame *frame = (*i);
 266                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 267                     && frame->get_rightend() == rightend) { return frame; }
 268         }
 269         return 0;
 270 }
 271
 272 float
 273 VideoTimeLine::get_apv()
 274 {
 275         // XXX: dup code - TODO use this fn in update_video_timeline()
 276         float apv = -1; /* audio frames per video frame; */
 277         if (!_session) return apv;
 278
 279         if (_session->config.get_use_video_file_fps()) {
 280                 if (video_file_fps == 0 ) return apv;
 281         } else {
 282                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 283         }
 284
 285         if (_session->config.get_videotimeline_pullup()) {
 286                 apv = _session->frame_rate();
 287         } else {
 288                 apv = _session->nominal_frame_rate();
 289         }
 290         if (_session->config.get_use_video_file_fps()) {
 291                 apv /= video_file_fps;
 292         } else {
 293                 apv /= _session->timecode_frames_per_second();
 294         }
 295         return apv;
 296 }
 297
 298 void
 299 VideoTimeLine::update_video_timeline()
 300 {
 301         if (!_session) return;
 302
 303         if (_session->config.get_use_video_file_fps()) {
 304                 if (video_file_fps == 0 ) return;
 305         } else {
 306                 if (_session->timecode_frames_per_second() == 0 ) return;
 307         }
 308
 309         double frames_per_unit = editor->unit_to_frame(1.0);
 310         framepos_t leftmost_frame =  editor->leftmost_position();
 311
 312         /* Outline:
 313          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 314          * 2) calculate first frame and distance between video-frames (according to zoom)
 315          * 3) destroy/add frames
 316          * 4) reposition existing frames
 317          * 5) assign framenumber to frames -> request/decode video.
 318          */
 319
 320         /* video-file and session properties */
 321         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 322         float apv; /* audio frames per video frame; */
 323         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 324
 325         /* variables needed to render videotimeline -- what needs to computed first */
 326         framepos_t vtl_start; /* unit: audio-frames ; first displayed video-frame */
 327         framepos_t vtl_dist;  /* unit: audio-frames ; distance between displayed video-frames */
 328         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 329
 330         if (_session->config.get_videotimeline_pullup()) {
 331                 apv = _session->frame_rate();
 332         } else {
 333                 apv = _session->nominal_frame_rate();
 334         }
 335         if (_session->config.get_use_video_file_fps()) {
 336                 apv /= video_file_fps;
 337         } else {
 338                 apv /= _session->timecode_frames_per_second();
 339         }
 340
 341         display_vframe_width = bar_height * video_aspect_ratio;
 342
 343         if (apv > frames_per_unit * display_vframe_width) {
 344                 /* high-zoom: need space between successive video-frames */
 345                 vtl_dist = rint(apv);
 346         } else {
 347                 /* continous timeline: skip video-frames */
 348                 vtl_dist = ceil(display_vframe_width * frames_per_unit / apv) * apv;
 349         }
 350
 351         assert (vtl_dist > 0);
 352         assert (apv > 0);
 353
 354 #define GOFFSET (video_offset)
 355
 356         leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - GOFFSET ) / vtl_dist) * vtl_dist / apv);
 357
 358         vtl_start = rint (GOFFSET + video_start_offset + leftmost_video_frame * apv);
 359         visible_video_frames = 2 + ceil(editor->current_page_frames() / vtl_dist); /* +2 left+right partial frames */
 360
 361         /* expand timeline (cache next/prev page images) */
 362         vtl_start -= visible_video_frames * vtl_dist;
 363         visible_video_frames *=3;
 364
 365         if (vtl_start < GOFFSET ) {
 366                 visible_video_frames += ceil(vtl_start/vtl_dist);
 367                 vtl_start = GOFFSET;
 368         }
 369
 370         /* apply video-file constraints */
 371         if (vtl_start > video_start_offset + video_duration + GOFFSET ) {
 372                 visible_video_frames = 0;
 373         }
 374         /* TODO optimize: compute rather than iterate */
 375         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + GOFFSET) {
 376                 --visible_video_frames;
 377         }
 378
 379         if (flush_frames) {
 380                 remove_frames();
 381                 flush_frames=false;
 382         }
 383
 384         while (video_frames.size() < visible_video_frames) {
 385                 VideoImageFrame *frame;
 386                 frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 387                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 388                 video_frames.push_back(frame);
 389         }
 390
 391         VideoFrames outdated_video_frames;
 392         std::list<int> remaining;
 393
 394         outdated_video_frames = video_frames;
 395
 396 #if 1
 397         /* when zoomed out, ignore shifts by +-1 frame
 398          * which can occur due to rounding errors when
 399          * scrolling to a new leftmost-audio frame.
 400          */
 401         int cut =1;
 402         if (vtl_dist/apv < 3.0) cut =0;
 403 #else
 404         int cut =0;
 405 #endif
 406
 407         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 408                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 409                 framepos_t vframeno = rint ( (vfpos - GOFFSET) / apv); /* unit: video-frames */
 410                 vfpos = (vframeno * apv ) + GOFFSET; /* audio-frame  corresponding to /rounded/ video-frame */
 411
 412                 int rightend = -1; /* unit: pixels */
 413                 if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 414                         rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 415                         //printf("lf(e): %lu\n", vframeno); // XXX
 416                 }
 417                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 418                 if (frame) {
 419                   frame->set_position(vfpos-leftmost_frame);
 420                         outdated_video_frames.remove(frame);
 421                 } else {
 422                         remaining.push_back(vfcount);
 423                 }
 424         }
 425
 426         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 427                 VideoImageFrame *frame = (*i);
 428                 if (remaining.empty()) {
 429                   frame->set_position(-2 * vtl_dist); /* move off screen */
 430                 } else {
 431                         int vfcount=remaining.front();
 432                         remaining.pop_front();
 433                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 434                         framepos_t vframeno = rint ((vfpos - GOFFSET) / apv);  /* unit: video-frames */
 435                         int rightend = -1; /* unit: pixels */
 436                         if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 437                                 rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 438                                 //printf("lf(n): %lu\n", vframeno); // XXX
 439                         }
 440                         frame->set_position(vfpos-leftmost_frame);
 441                         frame->set_videoframe(vframeno, rightend);
 442                 }
 443         }
 444 }
 445
 446 std::string
 447 VideoTimeLine::translated_filename ()
 448 {
 449         if (!local_file){
 450                 return video_filename;
 451         } else {
 452                 return video_map_path(server_docroot, video_filename);
 453         }
 454 }
 455
 456 bool
 457 VideoTimeLine::video_file_info (std::string filename, bool local)
 458 {
 459
 460         local_file = local;
 461         if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
 462                 video_filename = filename;
 463         }  else {
 464                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 465         }
 466
 467         long long int _duration;
 468         double _start_offset;
 469
 470         if (!video_query_info(
 471                         video_server_url, translated_filename(),
 472                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 473                 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;
 474                 return false;
 475         }
 476         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 477         video_start_offset = _start_offset * _session->nominal_frame_rate();
 478
 479         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 480                 switch ((int)floorf(video_file_fps*1000.0)) {
 481                         case 23976:
 482                                 _session->config.set_timecode_format(timecode_23976);
 483                                 break;
 484                         case 24000:
 485                                 _session->config.set_timecode_format(timecode_24);
 486                                 break;
 487                         case 24975:
 488                         case 24976:
 489                                 _session->config.set_timecode_format(timecode_24976);
 490                                 break;
 491                         case 25000:
 492                                 _session->config.set_timecode_format(timecode_25);
 493                                 break;
 494                         case 29970:
 495                                 _session->config.set_timecode_format(timecode_2997drop);
 496                                 break;
 497                         case 30000:
 498                                 _session->config.set_timecode_format(timecode_30);
 499                                 break;
 500                         case 59940:
 501                                 _session->config.set_timecode_format(timecode_5994);
 502                                 break;
 503                         case 60000:
 504                                 _session->config.set_timecode_format(timecode_60);
 505                                 break;
 506                         default:
 507                                 warning << _("Failed to set session-framerate: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
 508                                 break;
 509                 }
 510                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 511         }
 512         if (video_file_fps != _session->timecode_frames_per_second()) {
 513                 warning << _("Video file's framerate is not equal to Ardour session timecode's framerate: ")
 514                         << video_file_fps << _(" vs ") << _session->timecode_frames_per_second() << endmsg;
 515         }
 516         flush_local_cache ();
 517
 518         if (found_xjadeo() && local_file) {
 519                 GuiUpdate("set-xjadeo-sensitive-on");
 520                 if (vmonitor && vmonitor->is_started()) {
 521 #if 1
 522                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 523                          * if the geometry changes to a different line-size alignment
 524                          */
 525                         reopen_vmonitor = true;
 526                         vmonitor->quit();
 527 #else
 528                         vmonitor->set_fps(video_file_fps);
 529                         vmonitor->open(video_filename);
 530 #endif
 531                 }
 532         } else if (!local_file) {
 533 #if 1 /* temp debug/devel message */
 534                 // TODO - call xjremote remotely.
 535                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 536                 GuiUpdate("set-xjadeo-sensitive-off");
 537 #endif
 538         }
 539         VtlUpdate();
 540         return true;
 541 }
 542
 543 bool
 544 VideoTimeLine::check_server ()
 545 {
 546         bool ok = false;
 547         char url[1024];
 548         snprintf(url, sizeof(url), "%s%sstatus"
 549                         , video_server_url.c_str()
 550                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 551                         );
 552         char *res=curl_http_get(url, NULL);
 553         if (res) {
 554                 if (strstr(res, "status: ok, online.")) { ok = true; }
 555                 free(res);
 556         }
 557         return ok;
 558 }
 559
 560 void
 561 VideoTimeLine::gui_update(std::string const & t) {
 562         /* this is to be called via GuiUpdate() only. */
 563         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 564         if (t == "videotimeline-update") {
 565                 editor->queue_visual_videotimeline_update();
 566         } else if (t == "set-xjadeo-active-off") {
 567                 editor->toggle_xjadeo_proc(0);
 568         } else if (t == "set-xjadeo-active-on") {
 569                 editor->toggle_xjadeo_proc(1);
 570         } else if (t == "set-xjadeo-sensitive-on") {
 571                 editor->set_xjadeo_sensitive(true);
 572         } else if (t == "set-xjadeo-sensitive-off") {
 573                 editor->toggle_xjadeo_proc(0);
 574                 //close_video_monitor();
 575                 editor->set_xjadeo_sensitive(false);
 576         } else if (t == "xjadeo-window-ontop-on") {
 577                 editor->toggle_xjadeo_viewoption(1, 1);
 578         } else if (t == "xjadeo-window-ontop-off") {
 579                 editor->toggle_xjadeo_viewoption(1, 0);
 580         } else if (t == "xjadeo-window-osd-timecode-on") {
 581                 editor->toggle_xjadeo_viewoption(2, 1);
 582         } else if (t == "xjadeo-window-osd-timecode-off") {
 583                 editor->toggle_xjadeo_viewoption(2, 0);
 584         } else if (t == "xjadeo-window-osd-frame-on") {
 585                 editor->toggle_xjadeo_viewoption(3, 1);
 586         } else if (t == "xjadeo-window-osd-frame-off") {
 587                 editor->toggle_xjadeo_viewoption(3, 0);
 588         } else if (t == "xjadeo-window-osd-box-on") {
 589                 editor->toggle_xjadeo_viewoption(4, 1);
 590         } else if (t == "xjadeo-window-osd-box-off") {
 591                 editor->toggle_xjadeo_viewoption(4, 0);
 592         } else if (t == "xjadeo-window-fullscreen-on") {
 593                 editor->toggle_xjadeo_viewoption(5, 1);
 594         } else if (t == "xjadeo-window-fullscreen-off") {
 595                 editor->toggle_xjadeo_viewoption(5, 0);
 596         } else if (t == "xjadeo-window-letterbox-on") {
 597                 editor->toggle_xjadeo_viewoption(6, 1);
 598         } else if (t == "xjadeo-window-letterbox-off") {
 599                 editor->toggle_xjadeo_viewoption(6, 0);
 600         }
 601 }
 602
 603 void
 604 VideoTimeLine::set_height (int height) {
 605         if (_session && bar_height != height) {
 606                 _session->set_dirty ();
 607         }
 608         bar_height = height;
 609         flush_local_cache();
 610 }
 611
 612 void
 613 VideoTimeLine::vmon_update () {
 614         if (vmonitor && vmonitor->is_started()) {
 615                 vmonitor->set_offset( GOFFSET); // TODO proper re-init xjadeo w/o restart not just offset.
 616         }
 617 }
 618
 619 void
 620 VideoTimeLine::flush_local_cache () {
 621         flush_frames = true;
 622         vmon_update();
 623 }
 624
 625 void
 626 VideoTimeLine::flush_cache () {
 627         flush_local_cache();
 628         char url[1024];
 629         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 630                         , video_server_url.c_str()
 631                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 632                         );
 633         char *res=curl_http_get(url, NULL);
 634         if (res) {
 635                 free (res);
 636         }
 637         if (vmonitor && vmonitor->is_started()) {
 638                 reopen_vmonitor=true;
 639                 vmonitor->quit();
 640         }
 641         video_file_info(video_filename, local_file);
 642 }
 643
 644 /* config */
 645 void
 646 VideoTimeLine::parameter_changed (std::string const & p)
 647 {
 648         if (p == "video-server-url") {
 649                 set_video_server_url (video_get_server_url(Config));
 650         } else if (p == "video-server-docroot") {
 651                 set_video_server_docroot (video_get_docroot(Config));
 652         } else if (p == "video-advanced-setup") {
 653                 set_video_server_url (video_get_server_url(Config));
 654                 set_video_server_docroot (video_get_docroot(Config));
 655         }
 656         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 657                 VtlUpdate();
 658         }
 659 }
 660
 661 void
 662 VideoTimeLine::set_video_server_url(std::string vsu) {
 663         flush_local_cache ();
 664         video_server_url = vsu;
 665         VtlUpdate();
 666 }
 667
 668 void
 669 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 670         flush_local_cache ();
 671         server_docroot = vsr;
 672         VtlUpdate();
 673 }
 674
 675 /* video-monitor for this timeline */
 676 void
 677 VideoTimeLine::find_xjadeo () {
 678         std::string xjadeo_file_path;
 679         if (getenv("XJREMOTE")) {
 680                 _xjadeo_bin = strdup(getenv("XJREMOTE")); // XXX TODO: free it?!
 681         } else if (find_file_in_search_path (SearchPath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
 682                 _xjadeo_bin = xjadeo_file_path;
 683         }
 684         else if (Glib::file_test(X_("/Applications/Jadeo.app/Contents/MacOS/xjremote"), Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_EXECUTABLE)) {
 685                 _xjadeo_bin = X_("/Applications/Jadeo.app/Contents/MacOS/xjremote");
 686         }
 687         /* TODO: win32: allow to configure PATH to xjremote */
 688         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.exe"), Glib::FILE_TEST_EXISTS)) {
 689                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.exe");
 690         }
 691         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.bat"), Glib::FILE_TEST_EXISTS)) {
 692                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.bat");
 693         }
 694         else  {
 695                 _xjadeo_bin = X_("");
 696                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 697                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 698                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').")
 699                         << endmsg;
 700         }
 701 }
 702
 703 void
 704 VideoTimeLine::open_video_monitor() {
 705         if (!found_xjadeo()) return;
 706         if (!vmonitor) {
 707                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 708                 vmonitor->set_session(_session);
 709                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 710                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 711         } else if (vmonitor->is_started()) {
 712                 return;
 713         }
 714
 715         int xj_settings_mask = vmonitor->restore_settings_mask();
 716         if (_session) {
 717                 /* load mask from Session */
 718                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 719                 if (node) {
 720                         const XMLProperty* prop = node->property (X_("mask"));
 721                         if (prop) {
 722                                 xj_settings_mask = atoi(prop->value().c_str());
 723                         }
 724                 }
 725         }
 726
 727         vmonitor->restore_settings_mask(xj_settings_mask);
 728
 729         if (!vmonitor->start()) {
 730                 warning << "launching xjadeo failed.." << endmsg;
 731                 close_video_monitor();
 732         } else {
 733                 GuiUpdate("set-xjadeo-active-on");
 734                 vmonitor->set_fps(video_file_fps);
 735                 vmonitor->open(video_filename);
 736
 737                 if (_session) {
 738                         XMLNode* node = _session->extra_xml (X_("Videomonitor"));
 739                         if (node) {
 740                                 const XMLProperty* prop = node->property (X_("active"));
 741                                 if (prop && prop->value() != "yes") _session->set_dirty ();
 742                         } else {
 743                                 _session->set_dirty ();
 744                         }
 745                 }
 746
 747         }
 748 }
 749
 750 void
 751 VideoTimeLine::close_video_monitor() {
 752         if (vmonitor && vmonitor->is_started()) {
 753                 vmonitor->quit();
 754         }
 755 }
 756
 757 void
 758 VideoTimeLine::control_video_monitor(int what, int param) {
 759         if (!vmonitor || !vmonitor->is_started()) {
 760                 return;
 761         }
 762         vmonitor->send_cmd(what, param);
 763 }
 764
 765
 766 void
 767 VideoTimeLine::terminated_video_monitor () {
 768         if (vmonitor) {
 769                 delete vmonitor;
 770         }
 771         GuiUpdate("set-xjadeo-active-off");
 772         vmonitor=0;
 773         if (reopen_vmonitor) {
 774                 reopen_vmonitor=false;
 775                 open_video_monitor();
 776         } else {
 777                 if (_session) {
 778                         _session->set_dirty ();
 779                 }
 780         }
 781 }
 782
 783 /*
 784 void
 785 VideoTimeLine::clear_video_monitor_session_state ()
 786 {
 787         if (vmonitor) {
 788                 vmonitor->clear_session_state();
 789         } else {
 790           if (!_session) { return; }
 791                 XMLNode* node = new XMLNode(X_("XJSettings"));
 792                 _session->add_extra_xml (*node);
 793                 _session->set_dirty ();
 794         }
 795 }
 796 */
 797
 798 void
 799 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 800 {
 801         if (!vmonitor) { return; }
 802         if (!vmonitor->is_started()) { return; }
 803         if (!vmonitor->synced_by_manual_seeks()) { return; }
 804         vmonitor->manual_seek(pos, false, GOFFSET); // XXX -> set offset in xjadeo
 805 }
 806
 807 #endif /* WITH_VIDEOTIMELINE */