hvirtual/cinelerra/vtracking.C

   1 #include "edl.h"
   2 #include "edlsession.h"
   3 #include "localsession.h"
   4 #include "mainclock.h"
   5 #include "meterpanel.h"
   6 #include "mwindow.h"
   7 #include "vplayback.h"
   8 #include "vtimebar.h"
   9 #include "vtracking.h"
  10 #include "vwindow.h"
  11 #include "vwindowgui.h"
  12
  13
  14 VTracking::VTracking(MWindow *mwindow, VWindow *vwindow)
  15  : Tracking(mwindow)
  16 {
  17         this->vwindow = vwindow;
  18 }
  19
  20 VTracking::~VTracking()
  21 {
  22 }
  23
  24 PlaybackEngine* VTracking::get_playback_engine()
  25 {
  26         return vwindow->playback_engine;
  27 }
  28
  29 void VTracking::update_tracker(double position)
  30 {
  31 //printf("VTracking::update_tracker %ld\n", position);
  32         vwindow->gui->lock_window();
  33         vwindow->get_edl()->local_session->selectionstart =
  34                 vwindow->get_edl()->local_session->selectionend =
  35                 position;
  36         vwindow->gui->slider->update(position);
  37         vwindow->gui->clock->update(position);
  38
  39 // This is going to boost the latency but we need to update the timebar
  40         vwindow->gui->timebar->draw_range();
  41         vwindow->gui->timebar->flash();
  42
  43         vwindow->gui->unlock_window();
  44
  45         update_meters((int64_t)(position * mwindow->edl->session->frame_rate));
  46 }
  47
  48 void VTracking::update_meters(int64_t position)
  49 {
  50         double output_levels[MAXCHANNELS];
  51         int do_audio = get_playback_engine()->get_output_levels(output_levels, position);
  52         if(do_audio)
  53         {
  54                 vwindow->gui->lock_window();
  55                 vwindow->gui->meters->update(output_levels);
  56                 vwindow->gui->unlock_window();
  57         }
  58 }
  59
  60 void VTracking::stop_meters()
  61 {
  62         vwindow->gui->lock_window();
  63         vwindow->gui->meters->stop_meters();
  64         vwindow->gui->unlock_window();
  65 }
  66
  67 void VTracking::draw()
  68 {
  69 }