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 "pbd/convert.h"
  26 #include "ardour/session_directory.h"
  27
  28 #include "ardour_ui.h"
  29 #include "public_editor.h"
  30 #include "gui_thread.h"
  31 #include "utils.h"
  32 #include "canvas_impl.h"
  33 #include "simpleline.h"
  34 #include "utils_videotl.h"
  35 #include "rgb_macros.h"
  36 #include "video_timeline.h"
  37
  38 #include <gtkmm2ext/utils.h>
  39 #include <pthread.h>
  40 #include <curl/curl.h>
  41
  42 #include "i18n.h"
  43
  44 using namespace std;
  45 using namespace ARDOUR;
  46 using namespace PBD;
  47 using namespace Timecode;
  48
  49 VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Group *vbg, int initial_height)
  50         : editor (ed)
  51                 , videotl_bar_group(vbg)
  52                 , bar_height(initial_height)
  53 {
  54         video_start_offset = 0L;
  55         video_offset = 0L;
  56         video_offset_p = 0L;
  57         video_duration = 0L;
  58         auto_set_session_fps = false;
  59         video_offset_lock = false;
  60         video_aspect_ratio = 4.0/3.0;
  61         Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoTimeLine::parameter_changed, this, _1), gui_context());
  62         video_server_url = video_get_server_url(Config);
  63         server_docroot   = video_get_docroot(Config);
  64         video_filename = "";
  65         local_file = true;
  66         video_file_fps = 25.0;
  67         flush_frames = false;
  68         vmonitor=0;
  69         reopen_vmonitor=false;
  70         find_xjadeo();
  71
  72         VtlUpdate.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
  73         GuiUpdate.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
  74 }
  75
  76 VideoTimeLine::~VideoTimeLine ()
  77 {
  78         close_session();
  79 }
  80
  81 /* close and save settings */
  82 void
  83 VideoTimeLine::save_session ()
  84 {
  85         if (!_session) {
  86                 return;
  87         }
  88
  89         LocaleGuard lg (X_("POSIX"));
  90
  91         XMLNode* node = new XMLNode(X_("Videomonitor"));
  92         if (!node) return;
  93         node->add_property (X_("active"), (vmonitor && vmonitor->is_started())?"yes":"no");
  94         _session->add_extra_xml (*node);
  95
  96         if (vmonitor) {
  97                 if (vmonitor->is_started()) {
  98                         vmonitor->query_full_state(true);
  99                 }
 100                 vmonitor->save_session();
 101         }
 102
 103         /* VTL settings */
 104         node = _session->extra_xml (X_("Videotimeline"));
 105         if (!node) return;
 106         node->add_property (X_("id"), id().to_s());
 107         node->add_property (X_("Height"), editor->get_videotl_bar_height());
 108         node->add_property (X_("VideoOffsetLock"), video_offset_lock?X_("1"):X_("0"));
 109         node->add_property (X_("VideoOffset"), video_offset);
 110         node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
 111 }
 112
 113 /* close and save settings */
 114 void
 115 VideoTimeLine::close_session ()
 116 {
 117         if (video_duration == 0) {
 118                 return;
 119         }
 120         sessionsave.disconnect();
 121         close_video_monitor();
 122
 123         remove_frames();
 124         video_filename = "";
 125         video_duration = 0;
 126         GuiUpdate("set-xjadeo-sensitive-off");
 127 }
 128
 129 void
 130 VideoTimeLine::sync_session_state ()
 131 {
 132         if (!_session || !vmonitor || !vmonitor->is_started()) {
 133                 return;
 134         }
 135         save_session();
 136 }
 137
 138 /** load settings from session */
 139 void
 140 VideoTimeLine::set_session (ARDOUR::Session *s)
 141 {
 142         SessionHandlePtr::set_session (s);
 143         if (!_session) { return ; }
 144
 145         _session->SaveSession.connect_same_thread (sessionsave, boost::bind (&VideoTimeLine::save_session, this));
 146         LocaleGuard lg (X_("POSIX"));
 147
 148         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 149
 150         if (!node || !node->property (X_("Filename"))) {
 151                 return;
 152         }
 153
 154         ARDOUR_UI::instance()->start_video_server((Gtk::Window*)0, false);
 155
 156         set_id(*node);
 157
 158         const XMLProperty* proph = node->property (X_("Height"));
 159         if (proph) {
 160                 editor->set_video_timeline_height(atoi(proph->value()));
 161         }
 162 #if 0 /* TODO THINK: set FPS first time only ?! */
 163         const XMLProperty* propasfps = node->property (X_("AutoFPS"));
 164         if (propasfps) {
 165                 auto_set_session_fps = atoi(propasfps->value())?true:false;
 166         }
 167 #endif
 168
 169         const XMLProperty* propoffset = node->property (X_("VideoOffset"));
 170         if (propoffset) {
 171                 video_offset = atoll(propoffset->value());
 172                 video_offset_p = video_offset;
 173         }
 174
 175         const XMLProperty* proplock = node->property (X_("VideoOffsetLock"));
 176         if (proplock) {
 177                 video_offset_lock = atoi(proplock->value())?true:false;
 178         }
 179
 180         const XMLProperty* localfile = node->property (X_("LocalFile"));
 181         if (localfile) {
 182                 local_file = atoi(localfile->value())?true:false;
 183         }
 184
 185         const XMLProperty* propf = node->property (X_("Filename"));
 186         video_file_info(propf->value(), local_file);
 187
 188         if ((node = _session->extra_xml (X_("Videomonitor")))) {
 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());
 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->unit_to_frame(1.0);
 306         framepos_t leftmost_frame =  editor->leftmost_position();
 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         leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - video_offset ) / vtl_dist) * vtl_dist / apv);
 351
 352         vtl_start = rint (video_offset + video_start_offset + leftmost_video_frame * apv);
 353         visible_video_frames = 2 + ceil(editor->current_page_frames() / vtl_dist); /* +2 left+right partial frames */
 354
 355         /* expand timeline (cache next/prev page images) */
 356         vtl_start -= visible_video_frames * vtl_dist;
 357         visible_video_frames *=3;
 358
 359         if (vtl_start < video_offset ) {
 360                 visible_video_frames += ceil(vtl_start/vtl_dist);
 361                 vtl_start = video_offset;
 362         }
 363
 364         /* apply video-file constraints */
 365         if (vtl_start > video_start_offset + video_duration + video_offset ) {
 366                 visible_video_frames = 0;
 367         }
 368         /* TODO optimize: compute rather than iterate */
 369         while (visible_video_frames > 0 && vtl_start + (visible_video_frames-1) * vtl_dist >= video_start_offset + video_duration + video_offset) {
 370                 --visible_video_frames;
 371         }
 372
 373         if (flush_frames) {
 374                 remove_frames();
 375                 flush_frames=false;
 376         }
 377
 378         while (video_frames.size() < visible_video_frames) {
 379                 VideoImageFrame *frame;
 380                 frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
 381                 frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
 382                 video_frames.push_back(frame);
 383         }
 384
 385         VideoFrames outdated_video_frames;
 386         std::list<int> remaining;
 387
 388         outdated_video_frames = video_frames;
 389
 390 #if 1
 391         /* when zoomed out, ignore shifts by +-1 frame
 392          * which can occur due to rounding errors when
 393          * scrolling to a new leftmost-audio frame.
 394          */
 395         int cut =1;
 396         if (vtl_dist/apv < 3.0) cut =0;
 397 #else
 398         int cut =0;
 399 #endif
 400
 401         for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
 402                 framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 403                 framepos_t vframeno = rint ( (vfpos - video_offset) / apv); /* unit: video-frames */
 404                 vfpos = (vframeno * apv ) + video_offset; /* audio-frame  corresponding to /rounded/ video-frame */
 405
 406                 int rightend = -1; /* unit: pixels */
 407                 if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 408                         rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 409                         //printf("lf(e): %lu\n", vframeno); // XXX
 410                 }
 411                 VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
 412                 if (frame) {
 413                   frame->set_position(vfpos-leftmost_frame);
 414                         outdated_video_frames.remove(frame);
 415                 } else {
 416                         remaining.push_back(vfcount);
 417                 }
 418         }
 419
 420         for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
 421                 VideoImageFrame *frame = (*i);
 422                 if (remaining.empty()) {
 423                   frame->set_position(-2 * vtl_dist); /* move off screen */
 424                 } else {
 425                         int vfcount=remaining.front();
 426                         remaining.pop_front();
 427                         framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
 428                         framepos_t vframeno = rint ((vfpos - video_offset) / apv);  /* unit: video-frames */
 429                         int rightend = -1; /* unit: pixels */
 430                         if (vfpos + vtl_dist > video_start_offset + video_duration + video_offset) {
 431                                 rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
 432                                 //printf("lf(n): %lu\n", vframeno); // XXX
 433                         }
 434                         frame->set_position(vfpos-leftmost_frame);
 435                         frame->set_videoframe(vframeno, rightend);
 436                 }
 437         }
 438 }
 439
 440 std::string
 441 VideoTimeLine::translated_filename ()
 442 {
 443         if (!local_file){
 444                 return video_filename;
 445         } else {
 446                 return video_map_path(server_docroot, video_filename);
 447         }
 448 }
 449
 450 bool
 451 VideoTimeLine::video_file_info (std::string filename, bool local)
 452 {
 453
 454         local_file = local;
 455         if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
 456                 video_filename = filename;
 457         }  else {
 458                 video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 459         }
 460
 461         long long int _duration;
 462         double _start_offset;
 463
 464         if (!video_query_info(
 465                         video_server_url, translated_filename(),
 466                         video_file_fps, _duration, _start_offset, video_aspect_ratio)) {
 467                 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;
 468                 GuiUpdate("video-unavailable");
 469                 return false;
 470         }
 471         video_duration = _duration * _session->nominal_frame_rate() / video_file_fps;
 472         video_start_offset = _start_offset * _session->nominal_frame_rate();
 473
 474         if (auto_set_session_fps && video_file_fps != _session->timecode_frames_per_second()) {
 475                 switch ((int)floorf(video_file_fps*1000.0)) {
 476                         case 23976:
 477                                 _session->config.set_timecode_format(timecode_23976);
 478                                 break;
 479                         case 24000:
 480                                 _session->config.set_timecode_format(timecode_24);
 481                                 break;
 482                         case 24975:
 483                         case 24976:
 484                                 _session->config.set_timecode_format(timecode_24976);
 485                                 break;
 486                         case 25000:
 487                                 _session->config.set_timecode_format(timecode_25);
 488                                 break;
 489                         case 29970:
 490                                 _session->config.set_timecode_format(timecode_2997drop);
 491                                 break;
 492                         case 30000:
 493                                 _session->config.set_timecode_format(timecode_30);
 494                                 break;
 495                         case 59940:
 496                                 _session->config.set_timecode_format(timecode_5994);
 497                                 break;
 498                         case 60000:
 499                                 _session->config.set_timecode_format(timecode_60);
 500                                 break;
 501                         default:
 502                                 warning << _("Failed to set session-framerate: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
 503                                 break;
 504                 }
 505                 _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
 506         }
 507         if (floor(video_file_fps*100) != floor(_session->timecode_frames_per_second()*100)) {
 508                 warning << _("Video file's framerate is not equal to Ardour session timecode's framerate: ")
 509                         << video_file_fps << _(" vs ") << _session->timecode_frames_per_second() << endmsg;
 510         }
 511         flush_local_cache ();
 512
 513         if (found_xjadeo() && local_file) {
 514                 GuiUpdate("set-xjadeo-sensitive-on");
 515                 if (vmonitor && vmonitor->is_started()) {
 516 #if 1
 517                         /* xjadeo <= 0.6.4 has a bug where changing the video-file may segfauls
 518                          * if the geometry changes to a different line-size alignment
 519                          */
 520                         reopen_vmonitor = true;
 521                         vmonitor->quit();
 522 #else
 523                         vmonitor->set_fps(video_file_fps);
 524                         vmonitor->open(video_filename);
 525 #endif
 526                 }
 527         } else if (!local_file) {
 528 #if 1 /* temp debug/devel message */
 529                 // TODO - call xjremote remotely.
 530                 printf("the given video file can not be accessed on localhost, video monitoring is not currently supported for this case\n");
 531                 GuiUpdate("set-xjadeo-sensitive-off");
 532 #endif
 533         }
 534         VtlUpdate();
 535         GuiUpdate("video-available");
 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         } else if (t == "video-available") {
 597                 editor->set_close_video_sensitive(true);
 598         } else if (t == "video-unavailable") {
 599                 editor->set_close_video_sensitive(false);
 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(video_offset); // 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->set_offset(video_offset);
 710                 vmonitor->Terminated.connect (sigc::mem_fun (*this, &VideoTimeLine::terminated_video_monitor));
 711                 vmonitor->UiState.connect (*this, invalidator (*this), boost::bind (&VideoTimeLine::gui_update, this, _1), gui_context());
 712         } else if (vmonitor->is_started()) {
 713                 return;
 714         }
 715
 716 #if 0
 717         /* unused for now.
 718          * the idea is to selective ignore certain monitor window
 719          * states if xjadeo is not running on the same host as ardour.
 720          * However with the removal of the video-monitor-startup-dialogue
 721          * (git rev 5a4d0fff0) these settings are currently not accessible.
 722          */
 723         int xj_settings_mask = vmonitor->restore_settings_mask();
 724         if (_session) {
 725                 /* load mask from Session */
 726                 XMLNode* node = _session->extra_xml (X_("XJRestoreSettings"));
 727                 if (node) {
 728                         const XMLProperty* prop = node->property (X_("mask"));
 729                         if (prop) {
 730                                 xj_settings_mask = atoi(prop->value());
 731                         }
 732                 }
 733         }
 734
 735         vmonitor->restore_settings_mask(xj_settings_mask);
 736 #endif
 737
 738         if (!vmonitor->start()) {
 739                 warning << "launching xjadeo failed.." << endmsg;
 740                 close_video_monitor();
 741         } else {
 742                 GuiUpdate("set-xjadeo-active-on");
 743                 vmonitor->set_fps(video_file_fps);
 744                 vmonitor->open(video_filename);
 745
 746                 if (_session) {
 747                         XMLNode* node = _session->extra_xml (X_("Videomonitor"));
 748                         if (node) {
 749                                 const XMLProperty* prop = node->property (X_("active"));
 750                                 if (prop && prop->value() != "yes") _session->set_dirty ();
 751                         } else {
 752                                 _session->set_dirty ();
 753                         }
 754                 }
 755
 756         }
 757 }
 758
 759 void
 760 VideoTimeLine::close_video_monitor() {
 761         if (vmonitor && vmonitor->is_started()) {
 762                 vmonitor->quit();
 763         }
 764 }
 765
 766 void
 767 VideoTimeLine::control_video_monitor(int what, int param) {
 768         if (!vmonitor || !vmonitor->is_started()) {
 769                 return;
 770         }
 771         vmonitor->send_cmd(what, param);
 772 }
 773
 774
 775 void
 776 VideoTimeLine::terminated_video_monitor () {
 777         if (vmonitor) {
 778                 vmonitor->save_session();
 779                 delete vmonitor;
 780         }
 781         GuiUpdate("set-xjadeo-active-off");
 782         vmonitor=0;
 783         if (reopen_vmonitor) {
 784                 reopen_vmonitor=false;
 785                 open_video_monitor();
 786         } else {
 787                 if (_session) {
 788                         _session->set_dirty ();
 789                 }
 790         }
 791 }
 792
 793 void
 794 VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
 795 {
 796         if (!vmonitor) { return; }
 797         if (!vmonitor->is_started()) { return; }
 798         if (!vmonitor->synced_by_manual_seeks()) { return; }
 799         vmonitor->manual_seek(pos, false, video_offset); // XXX -> set offset in xjadeo
 800 }