gtk2_ardour/video_timeline.cc

   1 /*
   2     Copyright (C) 2010 Paul Davis
   3     Author: Robin Gareus <robin@gareus.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20 #ifdef WITH_VIDEOTIMELINE
  21
  22 #include <algorithm>
  23 #include <sigc++/bind.h>
  24 #include "ardour/tempo.h"
  25
  26 #include "pbd/file_utils.h"
  27 #include "ardour/session_directory.h"
  28
  29 #include "ardour_ui.h"
  30 #include "public_editor.h"
  31 #include "gui_thread.h"
  32 #include "utils.h"
  33 #include "utils_videotl.h"
  34 #include "rgb_macros.h"
  35 #include "video_timeline.h"
  36
  37 #include <gtkmm2ext/utils.h>
  38 #include <pthread.h>
  39 #include <curl/curl.h>
  40
  41 #include "i18n.h"
  42
  43 using namespace std;
  44 using namespace ARDOUR;
  45 using namespace PBD;
  46 using namespace Timecode;
  47
  48 VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Group *vbg, int initial_height)
  49         : editor (ed)
  50                 , videotl_bar_group(vbg)
  51                 , bar_height(initial_height)
  52 {
  53         video_start_offset = 0L;
  54         video_offset = 0L;
  55         video_offset_p = 0L;
  56         video_duration = 0L;
  57         auto_set_session_fps = false;
  58         video_offset_lock = false;
  59         video_aspect_ratio = 4.0/3.0;
  60         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
  61         video_server_url = video_get_server_url(Config);
  62         server_docroot   = video_get_docroot(Config);
  63         video_filename = "";
  64         local_file = true;
  65         video_file_fps = 25.0;
  66         flush_frames = false;
  67         vmonitor=0;
  68         reopen_vmonitor=false;
  69         find_xjadeo();
  70
  71         VtlUpdate.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
  72         GuiUpdate.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
  73 }
  74
  75 VideoTimeLine::~VideoTimeLine ()
  76 {
  77         close_session();
  78 }
  79
  80 /* close and save settings */
  81 void
  82 VideoTimeLine::save_session ()
  83 {
  84         if (!_session) {
  85                 return;
  86         }
  87
  88         LocaleGuard lg (X_("POSIX"));
  89
  90         bool is_dirty = false;
  91
  92         XMLNode* prev = _session->extra_xml (X_("Videomonitor"));
  93
  94         /* remember if vmonitor was open.. */
  95         XMLNode* node = new XMLNode(X_("Videomonitor"));
  96
  97         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
  98         if (!prev || !(prev->property (X_("active")) && prev->property (X_("active"))->value() == node->property(X_("active"))->value()) ){
  99                 _session->add_extra_xml (*node);
 100                 is_dirty=true; // TODO not if !prev && value==default
 101         }
 102
 103         /* VTL settings */
 104         node = _session->extra_xml (X_("Videotimeline"));
 105
 106         if (node) {
 107                 if (!(node->property(X_("id")) && node->property(X_("id"))->value() == id().to_s())) {
 108                         node->add_property (X_("id"), id().to_s());
 109                         is_dirty=true;
 110                 }
 111         }
 112
 113         /* remember timeline height.. */
 114         if (node) {
 115                 int h = editor->get_videotl_bar_height();
 116                 if (!(node->property(X_("Height")) && atoi(node->property(X_("Height"))->value().c_str())==h)) {
 117                         node->add_property (X_("Height"), h);
 118                         is_dirty=true;
 119                 }
 120         }
 121
 122         /* save video-offset-lock */
 123         if (node) {
 124                 if (!(node->property(X_("VideoOffsetLock")) && atoi(node->property(X_("VideoOffsetLock"))->value().c_str())==video_offset_lock)) {
 125                         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 126                         is_dirty=true;
 127                 }
 128         }
 129         /* save video-offset */
 130         if (node) {
 131                 if (!(node->property(X_("VideoOffset")) && atoll(node->property(X_("VideoOffset"))->value().c_str())==video_offset)) {
 132                         node->add_property (X_("VideoOffset"), video_offset);
 133                         is_dirty=true;
 134                 }
 135         }
 136
 137         /* save 'auto_set_session_fps' */
 138         if (node) {
 139                 if (!(node->property(X_("AutoFPS")) && atoi(node->property(X_("AutoFPS"))->value().c_str())==auto_set_session_fps)) {
 140                         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 141                         is_dirty=true;
 142                 }
 143         }
 144         if (is_dirty) {
 145                 _session->set_dirty ();
 146         }
 147 }
 148
 149 /* close and save settings */
 150 void
 151 VideoTimeLine::close_session ()
 152 {
 153         if (video_duration == 0) {
 154                 return;
 155         }
 156         save_session();
 157         close_video_monitor();
 158
 159         remove_frames();
 160         video_filename = "";
 161         video_duration = 0;
 162         GuiUpdate("set-xjadeo-sensitive-off");
 163 }
 164
 165 /** load settings from session */
 166 void
 167 VideoTimeLine::set_session (ARDOUR::Session *s)
 168 {
 169         SessionHandlePtr::set_session (s);
 170         if (!_session) { return ; }
 171
 172         LocaleGuard lg (X_("POSIX"));
 173
 174         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 175
 176         if (!node || !node->property (X_("Filename"))) {
 177                 return;
 178         }
 179
 180         if (node) {
 181                 ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 182
 183                 set_id(*node);
 184
 185                 const XMLProperty* proph = node->property (X_("Height"));
 186                 if (proph) {
 187                         editor->set_video_timeline_height(atoi(proph->value().c_str()));
 188                 }
 189 #if 0 /* TODO THINK: set FPS first time only ?! */
 190                 const XMLProperty* propasfps = node->property (X_("AutoFPS"));
 191                 if (propasfps) {
 192                         auto_set_session_fps = atoi(propasfps->value().c_str())?true:false;
 193                 }
 194 #endif
 195
 196                 const XMLProperty* propoffset = node->property (X_("VideoOffset"));
 197                 if (propoffset) {
 198                         video_offset = atoll(propoffset->value().c_str());
 199                         video_offset_p = video_offset;
 200                 }
 201
 202                 const XMLProperty* proplock = node->property (X_("VideoOffsetLock"));
 203                 if (proplock) {
 204                         video_offset_lock = atoi(proplock->value().c_str())?true:false;
 205                 }
 206
 207                 const XMLProperty* localfile = node->property (X_("LocalFile"));
 208                 if (localfile) {
 209                         local_file = atoi(localfile->value().c_str())?true:false;
 210                 }
 211
 212                 const XMLProperty* propf = node->property (X_("Filename"));
 213                 video_file_info(propf->value(), local_file);
 214         }
 215
 216         node = _session->extra_xml (X_("Videomonitor"));
 217         if (node) {
 218                 const XMLProperty* prop = node->property (X_("active"));
 219                 if (prop && prop->value() == "yes" && found_xjadeo() && !video_filename.empty() && local_file) {
 220                         open_video_monitor();
 221                 }
 222         }
 223
 224         _session->register_with_memento_command_factory(id(), this);
 225         _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
 226 }
 227
 228 void
 229 VideoTimeLine::save_undo ()
 230 {
 231         video_offset_p = video_offset;
 232 }
 233
 234 int
 235 VideoTimeLine::set_state (const XMLNode& node, int /*version*/)
 236 {
 237         LocaleGuard lg (X_("POSIX"));
 238         const XMLProperty* propoffset = node.property (X_("VideoOffset"));
 239         if (propoffset) {
 240                 video_offset = atoll(propoffset->value().c_str());
 241         }
 242         ARDOUR_UI::instance()->flush_videotimeline_cache(true);
 243         return 0;
 244 }
 245
 246 XMLNode&
 247 VideoTimeLine::get_state ()
 248 {
 249         XMLNode* node = new XMLNode (X_("Videotimeline"));
 250         LocaleGuard lg (X_("POSIX"));
 251         node->add_property (X_("VideoOffset"), video_offset_p);
 252         return *node;
 253 }
 254
 255 void
 256 VideoTimeLine::remove_frames ()
 257 {
 258         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i ) {
 259                 VideoImageFrame *frame = (*i);
 260                 delete frame;
 261                 (*i) = 0;
 262         }
 263         video_frames.clear();
 264 }
 265
 266 VideoImageFrame *
 267 VideoTimeLine::get_video_frame (framepos_t vfn, int cut, int rightend)
 268 {
 269         if (vfn==0) cut=0;
 270         for (VideoFrames::iterator i = video_frames.begin(); i != video_frames.end(); ++i) {
 271                 VideoImageFrame *frame = (*i);
 272                 if (abs(frame->get_video_frame_number()-vfn)<=cut
 273                     && frame->get_rightend() == rightend) { return frame; }
 274         }
 275         return 0;
 276 }
 277
 278 float
 279 VideoTimeLine::get_apv()
 280 {
 281         // XXX: dup code - TODO use this fn in update_video_timeline()
 282         float apv = -1; /* audio frames per video frame; */
 283         if (!_session) return apv;
 284
 285         if (_session->config.get_use_video_file_fps()) {
 286                 if (video_file_fps == 0 ) return apv;
 287         } else {
 288                 if (_session->timecode_frames_per_second() == 0 ) return apv;
 289         }
 290
 291         if (_session->config.get_videotimeline_pullup()) {
 292                 apv = _session->frame_rate();
 293         } else {
 294                 apv = _session->nominal_frame_rate();
 295         }
 296         if (_session->config.get_use_video_file_fps()) {
 297                 apv /= video_file_fps;
 298         } else {
 299                 apv /= _session->timecode_frames_per_second();
 300         }
 301         return apv;
 302 }
 303
 304 void
 305 VideoTimeLine::update_video_timeline()
 306 {
 307         if (!_session) return;
 308
 309         if (_session->config.get_use_video_file_fps()) {
 310                 if (video_file_fps == 0 ) return;
 311         } else {
 312                 if (_session->timecode_frames_per_second() == 0 ) return;
 313         }
 314
 315         double frames_per_unit = editor->unit_to_frame(1.0);
 316         framepos_t leftmost_frame =  editor->leftmost_position();
 317
 318         /* Outline:
 319          * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
 320          * 2) calculate first frame and distance between video-frames (according to zoom)
 321          * 3) destroy/add frames
 322          * 4) reposition existing frames
 323          * 5) assign framenumber to frames -> request/decode video.
 324          */
 325
 326         /* video-file and session properties */
 327         double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
 328         float apv; /* audio frames per video frame; */
 329         framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 330
 331         /* variables needed to render videotimeline -- what needs to computed first */
 332         framepos_t vtl_start; /* unit: audio-frames ; first displayed video-frame */
 333         framepos_t vtl_dist;  /* unit: audio-frames ; distance between displayed video-frames */
 334         unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 335
 336         if (_session->config.get_videotimeline_pullup()) {
 337                 apv = _session->frame_rate();
 338         } else {
 339                 apv = _session->nominal_frame_rate();
 340         }
 341         if (_session->config.get_use_video_file_fps()) {
 342                 apv /= video_file_fps;
 343         } else {
 344                 apv /= _session->timecode_frames_per_second();
 345         }
 346
 347         display_vframe_width = bar_height * video_aspect_ratio;
 348
 349         if (apv > frames_per_unit * display_vframe_width) {
 350                 /* high-zoom: need space between successive video-frames */
 351                 vtl_dist = rint(apv);
 352         } else {
 353                 /* continous timeline: skip video-frames */
 354                 vtl_dist = ceil(display_vframe_width * frames_per_unit / apv) * apv;
 355         }
 356
 357         assert (vtl_dist > 0);
 358         assert (apv > 0);
 359
 360 #define GOFFSET (video_offset)
 361
 362         leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - GOFFSET ) / vtl_dist) * vtl_dist / apv);
 363
 364         vtl_start = rint (GOFFSET + video_start_offset + leftmost_video_frame * apv);
 365         visible_video_frames = 2 + ceil(editor->current_page_frames() / vtl_dist); /* +2 left+right partial frames */
 366
 367         /* expand timeline (cache next/prev page images) */
 368         vtl_start -= visible_video_frames * vtl_dist;
 369         visible_video_frames *=3;
 370
 371         if (vtl_start < GOFFSET ) {
 372                 visible_video_frames += ceil(vtl_start/vtl_dist);
 373                 vtl_start = GOFFSET;
 374         }
 375
 376         /* apply video-file constraints */
 377         if (vtl_start > video_start_offset + video_duration + GOFFSET ) {
 378                 visible_video_frames = 0;
 379         }
 380         /* TODO optimize: compute rather than iterate */
 381         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + GOFFSET) {
 382                 --visible_video_frames;
 383         }
 384
 385         if (flush_frames) {
 386                 remove_frames();
 387                 flush_frames=false;
 388         }
 389
 390         while (video_frames.size() < visible_video_frames) {
 391                 VideoImageFrame *frame;
 392                 frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 393                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 394                 video_frames.push_back(frame);
 395         }
 396
 397         VideoFrames outdated_video_frames;
 398         std::list<int> remaining;
 399
 400         outdated_video_frames = video_frames;
 401
 402 #if 1
 403         /* when zoomed out, ignore shifts by +-1 frame
 404          * which can occur due to rounding errors when
 405          * scrolling to a new leftmost-audio frame.
 406          */
 407         int cut =1;
 408         if (vtl_dist/apv < 3.0) cut =0;
 409 #else
 410         int cut =0;
 411 #endif
 412
 413         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 414                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 415                 framepos_t vframeno = rint ( (vfpos - GOFFSET) / apv); /* unit: video-frames */
 416                 vfpos = (vframeno * apv ) + GOFFSET; /* audio-frame  corresponding to /rounded/ video-frame */
 417
 418                 int rightend = -1; /* unit: pixels */
 419                 if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 420                         rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 421                         //printf("lf(e): %lu\n", vframeno); // XXX
 422                 }
 423                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 424                 if (frame) {
 425                   frame->set_position(vfpos-leftmost_frame);
 426                         outdated_video_frames.remove(frame);
 427                 } else {
 428                         remaining.push_back(vfcount);
 429                 }
 430         }
 431
 432         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 433                 VideoImageFrame *frame = (*i);
 434                 if (remaining.empty()) {
 435                   frame->set_position(-2 * vtl_dist); /* move off screen */
 436                 } else {
 437                         int vfcount=remaining.front();
 438                         remaining.pop_front();
 439                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 440                         framepos_t vframeno = rint ((vfpos - GOFFSET) / apv);  /* unit: video-frames */
 441                         int rightend = -1; /* unit: pixels */
 442                         if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
 443                                 rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - vfpos) / vtl_dist;
 444                                 //printf("lf(n): %lu\n", vframeno); // XXX
 445                         }
 446                         frame->set_position(vfpos-leftmost_frame);
 447                         frame->set_videoframe(vframeno, rightend);
 448                 }
 449         }
 450 }
 451
 452 std::string
 453 VideoTimeLine::translated_filename ()
 454 {
 455         if (!local_file){
 456                 return video_filename;
 457         } else {
 458                 return video_map_path(server_docroot, video_filename);
 459         }
 460 }
 461
 462 bool
 463 VideoTimeLine::video_file_info (std::string filename, bool local)
 464 {
 465
 466         local_file = local;
 467         if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
 468                 video_filename = filename;
 469         }  else {
 470                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 471         }
 472
 473         long long int _duration;
 474         double _start_offset;
 475
 476         if (!video_query_info(
 477                         video_server_url, translated_filename(),
 478                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 479                 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;
 480                 return false;
 481         }
 482         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 483         video_start_offset = _start_offset * _session->nominal_frame_rate();
 484
 485         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 486                 switch ((int)floorf(video_file_fps*1000.0)) {
 487                         case 23976:
 488                                 _session->config.set_timecode_format(timecode_23976);
 489                                 break;
 490                         case 24000:
 491                                 _session->config.set_timecode_format(timecode_24);
 492                                 break;
 493                         case 24975:
 494                         case 24976:
 495                                 _session->config.set_timecode_format(timecode_24976);
 496                                 break;
 497                         case 25000:
 498                                 _session->config.set_timecode_format(timecode_25);
 499                                 break;
 500                         case 29970:
 501                                 _session->config.set_timecode_format(timecode_2997drop);
 502                                 break;
 503                         case 30000:
 504                                 _session->config.set_timecode_format(timecode_30);
 505                                 break;
 506                         case 59940:
 507                                 _session->config.set_timecode_format(timecode_5994);
 508                                 break;
 509                         case 60000:
 510                                 _session->config.set_timecode_format(timecode_60);
 511                                 break;
 512                         default:
 513                                 warning << _("Failed to set session-framerate: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
 514                                 break;
 515                 }
 516                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 517         }
 518         if (video_file_fps != _session->timecode_frames_per_second()) {
 519                 warning << _("Video file's framerate is not equal to Ardour session timecode's framerate: ")
 520                         << video_file_fps << _(" vs ") << _session->timecode_frames_per_second() << endmsg;
 521         }
 522         flush_local_cache ();
 523
 524         if (found_xjadeo() && local_file) {
 525                 GuiUpdate("set-xjadeo-sensitive-on");
 526                 if (vmonitor && vmonitor->is_started()) {
 527 #if 1
 528                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 529                          * if the geometry changes to a different line-size alignment
 530                          */
 531                         reopen_vmonitor = true;
 532                         vmonitor->quit();
 533 #else
 534                         vmonitor->set_fps(video_file_fps);
 535                         vmonitor->open(video_filename);
 536 #endif
 537                 }
 538         } else if (!local_file) {
 539 #if 1 /* temp debug/devel message */
 540                 // TODO - call xjremote remotely.
 541                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 542                 GuiUpdate("set-xjadeo-sensitive-off");
 543 #endif
 544         }
 545         VtlUpdate();
 546         return true;
 547 }
 548
 549 bool
 550 VideoTimeLine::check_server ()
 551 {
 552         bool ok = false;
 553         char url[1024];
 554         snprintf(url, sizeof(url), "%s%sstatus"
 555                         , video_server_url.c_str()
 556                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 557                         );
 558         char *res=curl_http_get(url, NULL);
 559         if (res) {
 560                 if (strstr(res, "status: ok, online.")) { ok = true; }
 561                 free(res);
 562         }
 563         return ok;
 564 }
 565
 566 void
 567 VideoTimeLine::gui_update(std::string const & t) {
 568         /* this is to be called via GuiUpdate() only. */
 569         ENSURE_GUI_THREAD (*this, &VideoTimeLine::queue_visual_videotimeline_update)
 570         if (t == "videotimeline-update") {
 571                 editor->queue_visual_videotimeline_update();
 572         } else if (t == "set-xjadeo-active-off") {
 573                 editor->toggle_xjadeo_proc(0);
 574         } else if (t == "set-xjadeo-active-on") {
 575                 editor->toggle_xjadeo_proc(1);
 576         } else if (t == "set-xjadeo-sensitive-on") {
 577                 editor->set_xjadeo_sensitive(true);
 578         } else if (t == "set-xjadeo-sensitive-off") {
 579                 editor->toggle_xjadeo_proc(0);
 580                 //close_video_monitor();
 581                 editor->set_xjadeo_sensitive(false);
 582         } else if (t == "xjadeo-window-ontop-on") {
 583                 editor->toggle_xjadeo_viewoption(1, 1);
 584         } else if (t == "xjadeo-window-ontop-off") {
 585                 editor->toggle_xjadeo_viewoption(1, 0);
 586         } else if (t == "xjadeo-window-osd-timecode-on") {
 587                 editor->toggle_xjadeo_viewoption(2, 1);
 588         } else if (t == "xjadeo-window-osd-timecode-off") {
 589                 editor->toggle_xjadeo_viewoption(2, 0);
 590         } else if (t == "xjadeo-window-osd-frame-on") {
 591                 editor->toggle_xjadeo_viewoption(3, 1);
 592         } else if (t == "xjadeo-window-osd-frame-off") {
 593                 editor->toggle_xjadeo_viewoption(3, 0);
 594         } else if (t == "xjadeo-window-osd-box-on") {
 595                 editor->toggle_xjadeo_viewoption(4, 1);
 596         } else if (t == "xjadeo-window-osd-box-off") {
 597                 editor->toggle_xjadeo_viewoption(4, 0);
 598         } else if (t == "xjadeo-window-fullscreen-on") {
 599                 editor->toggle_xjadeo_viewoption(5, 1);
 600         } else if (t == "xjadeo-window-fullscreen-off") {
 601                 editor->toggle_xjadeo_viewoption(5, 0);
 602         } else if (t == "xjadeo-window-letterbox-on") {
 603                 editor->toggle_xjadeo_viewoption(6, 1);
 604         } else if (t == "xjadeo-window-letterbox-off") {
 605                 editor->toggle_xjadeo_viewoption(6, 0);
 606         }
 607 }
 608
 609 void
 610 VideoTimeLine::set_height (int height) {
 611         bar_height = height;
 612         flush_local_cache();
 613 }
 614
 615 void
 616 VideoTimeLine::vmon_update () {
 617         if (vmonitor && vmonitor->is_started()) {
 618                 vmonitor->set_offset( GOFFSET); // TODO proper re-init xjadeo w/o restart not just offset.
 619         }
 620 }
 621
 622 void
 623 VideoTimeLine::flush_local_cache () {
 624         flush_frames = true;
 625         vmon_update();
 626 }
 627
 628 void
 629 VideoTimeLine::flush_cache () {
 630         flush_local_cache();
 631         char url[1024];
 632         snprintf(url, sizeof(url), "%s%sadmin/flush_cache"
 633                         , video_server_url.c_str()
 634                         , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
 635                         );
 636         char *res=curl_http_get(url, NULL);
 637         if (res) {
 638                 free (res);
 639         }
 640         if (vmonitor && vmonitor->is_started()) {
 641                 reopen_vmonitor=true;
 642                 vmonitor->quit();
 643         }
 644         video_file_info(video_filename, local_file);
 645 }
 646
 647 /* config */
 648 void
 649 VideoTimeLine::parameter_changed (std::string const & p)
 650 {
 651         if (p == "video-server-url") {
 652                 set_video_server_url (video_get_server_url(Config));
 653         } else if (p == "video-server-docroot") {
 654                 set_video_server_docroot (video_get_docroot(Config));
 655         } else if (p == "video-advanced-setup") {
 656                 set_video_server_url (video_get_server_url(Config));
 657                 set_video_server_docroot (video_get_docroot(Config));
 658         }
 659         if (p == "use-video-file-fps" || p == "videotimeline-pullup" ) { /* session->config parameter */
 660                 VtlUpdate();
 661         }
 662 }
 663
 664 void
 665 VideoTimeLine::set_video_server_url(std::string vsu) {
 666         flush_local_cache ();
 667         video_server_url = vsu;
 668         VtlUpdate();
 669 }
 670
 671 void
 672 VideoTimeLine::set_video_server_docroot(std::string vsr) {
 673         flush_local_cache ();
 674         server_docroot = vsr;
 675         VtlUpdate();
 676 }
 677
 678 /* video-monitor for this timeline */
 679 void
 680 VideoTimeLine::find_xjadeo () {
 681         std::string xjadeo_file_path;
 682         if (getenv("XJREMOTE")) {
 683                 _xjadeo_bin = strdup(getenv("XJREMOTE")); // XXX TODO: free it?!
 684         } else if (find_file_in_search_path (SearchPath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
 685                 _xjadeo_bin = xjadeo_file_path;
 686         }
 687         else if (Glib::file_test(X_("/Applications/Jadeo.app/Contents/MacOS/xjremote"), Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_EXECUTABLE)) {
 688                 _xjadeo_bin = X_("/Applications/Jadeo.app/Contents/MacOS/xjremote");
 689         }
 690         /* TODO: win32: allow to configure PATH to xjremote */
 691         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.exe"), Glib::FILE_TEST_EXISTS)) {
 692                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.exe");
 693         }
 694         else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.bat"), Glib::FILE_TEST_EXISTS)) {
 695                 _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.bat");
 696         }
 697         else  {
 698                 _xjadeo_bin = X_("");
 699                 warning << _("Video-monitor 'xjadeo' was not found. Please install http://xjadeo.sf.net/ "
 700                                 "(a custom path to xjadeo can be specified by setting the XJREMOTE environment variable. "
 701                                 "It should point to an application compatible with xjadeo's remote-control interface 'xjremote').")
 702                         << endmsg;
 703         }
 704 }
 705
 706 void
 707 VideoTimeLine::open_video_monitor() {
 708         if (!found_xjadeo()) return;
 709         if (!vmonitor) {
 710                 vmonitor = new VideoMonitor(editor, _xjadeo_bin);
 711                 vmonitor->set_session(_session);
 712                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 713                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 714         } else if (vmonitor->is_started()) {
 715                 return;
 716         }
 717
 718         int xj_settings_mask = vmonitor->restore_settings_mask();
 719         if (_session) {
 720                 /* load mask from Session */
 721                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 722                 if (node) {
 723                         const XMLProperty* prop = node->property (X_("mask"));
 724                         if (prop) {
 725                                 xj_settings_mask = atoi(prop->value().c_str());
 726                         }
 727                 }
 728         }
 729
 730         vmonitor->restore_settings_mask(xj_settings_mask);
 731
 732         if (!vmonitor->start()) {
 733                 warning << "launching xjadeo failed.." << endmsg;
 734                 close_video_monitor();
 735         } else {
 736                 GuiUpdate("set-xjadeo-active-on");
 737                 vmonitor->set_fps(video_file_fps);
 738                 vmonitor->open(video_filename);
 739         }
 740 }
 741
 742 void
 743 VideoTimeLine::close_video_monitor() {
 744         if (vmonitor && vmonitor->is_started()) {
 745                 vmonitor->quit();
 746         }
 747 }
 748
 749 void
 750 VideoTimeLine::control_video_monitor(int what, int param) {
 751         if (!vmonitor || !vmonitor->is_started()) {
 752                 return;
 753         }
 754         vmonitor->send_cmd(what, param);
 755 }
 756
 757
 758 void
 759 VideoTimeLine::terminated_video_monitor () {
 760         if (vmonitor) {
 761                 delete vmonitor;
 762         }
 763         GuiUpdate("set-xjadeo-active-off");
 764         vmonitor=0;
 765   if (reopen_vmonitor) {
 766                 reopen_vmonitor=false;
 767                 open_video_monitor();
 768         }
 769 }
 770
 771 /*
 772 void
 773 VideoTimeLine::clear_video_monitor_session_state ()
 774 {
 775         if (vmonitor) {
 776                 vmonitor->clear_session_state();
 777         } else {
 778           if (!_session) { return; }
 779                 XMLNode* node = new XMLNode(X_("XJSettings"));
 780                 _session->add_extra_xml (*node);
 781                 _session->set_dirty ();
 782         }
 783 }
 784 */
 785
 786 void
 787 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 788 {
 789         if (!vmonitor) { return; }
 790         if (!vmonitor->is_started()) { return; }
 791         if (!vmonitor->synced_by_manual_seeks()) { return; }
 792         vmonitor->manual_seek(pos, false, GOFFSET); // XXX -> set offset in xjadeo
 793 }
 794
 795 #endif /* WITH_VIDEOTIMELINE */