cinelerra/vtracking.C

   1 #include "asset.h"
   2 #include "assets.h"
   3 #include "edl.h"
   4 #include "edlsession.h"
   5 #include "localsession.h"
   6 #include "mainclock.h"
   7 #include "meterpanel.h"
   8 #include "mwindow.h"
   9 #include "renderengine.h"
  10 #include "mainclock.h"
  11 #include "vplayback.h"
  12 #include "vrender.h"
  13 #include "vtimebar.h"
  14 #include "vtracking.h"
  15 #include "vwindow.h"
  16 #include "vwindowgui.h"
  17
  18
  19 VTracking::VTracking(MWindow *mwindow, VWindow *vwindow)
  20  : Tracking(mwindow)
  21 {
  22         this->vwindow = vwindow;
  23 }
  24
  25 VTracking::~VTracking()
  26 {
  27 }
  28
  29 PlaybackEngine* VTracking::get_playback_engine()
  30 {
  31         return vwindow->playback_engine;
  32 }
  33
  34 void VTracking::update_tracker(double position)
  35 {
  36         Asset *asset = vwindow->get_edl()->assets->first;
  37 //printf("VTracking::update_tracker %ld\n", position);
  38         vwindow->gui->lock_window();
  39         vwindow->get_edl()->local_session->selectionstart =
  40                 vwindow->get_edl()->local_session->selectionend =
  41                 position;
  42         vwindow->gui->slider->update(position);
  43
  44         vwindow->gui->clock->update(position +
  45                 asset->tcstart / (asset->video_data ?
  46                                                         asset->frame_rate :
  47                                                         asset->sample_rate));
  48
  49 // This is going to boost the latency but we need to update the timebar
  50         vwindow->gui->timebar->draw_range();
  51         vwindow->gui->timebar->flash();
  52
  53         vwindow->gui->unlock_window();
  54
  55         update_meters((int64_t)(position * mwindow->edl->session->frame_rate));
  56 }
  57
  58 void VTracking::update_meters(int64_t position)
  59 {
  60         double output_levels[MAXCHANNELS];
  61         int do_audio = get_playback_engine()->get_output_levels(output_levels, position);
  62         if(do_audio)
  63         {
  64                 vwindow->gui->lock_window();
  65                 vwindow->gui->meters->update(output_levels);
  66                 vwindow->gui->unlock_window();
  67         }
  68 }
  69
  70 void VTracking::stop_meters()
  71 {
  72         vwindow->gui->lock_window();
  73         vwindow->gui->meters->stop_meters();
  74         vwindow->gui->unlock_window();
  75 }
  76
  77 void VTracking::draw()
  78 {
  79 }