plugins/crossfade/crossfade.C

   1 #include "crossfade.h"
   2 #include "edl.inc"
   3 #include "language.h"
   4 #include "overlayframe.h"
   5 #include "picon_png.h"
   6 #include "vframe.h"
   7
   8
   9
  10
  11 REGISTER_PLUGIN(CrossfadeMain)
  12
  13
  14
  15
  16 CrossfadeMain::CrossfadeMain(PluginServer *server)
  17  : PluginAClient(server)
  18 {
  19 }
  20
  21 CrossfadeMain::~CrossfadeMain()
  22 {
  23 }
  24
  25 char* CrossfadeMain::plugin_title() { return N_("Crossfade"); }
  26 int CrossfadeMain::is_transition() { return 1; }
  27 int CrossfadeMain::uses_gui() { return 0; }
  28
  29 NEW_PICON_MACRO(CrossfadeMain)
  30
  31
  32 int CrossfadeMain::process_realtime(int64_t size,
  33         double *outgoing,
  34         double *incoming)
  35 {
  36         double intercept = (double)PluginClient::get_source_position() /
  37                 PluginClient::get_total_len();
  38         double slope = (double)1 / PluginClient::get_total_len();
  39
  40 //printf("CrossfadeMain::process_realtime %f %f\n", intercept, slope);
  41         for(int i = 0; i < size; i++)
  42         {
  43                 incoming[i] = outgoing[i] * ((double)1 - (slope * i + intercept)) +
  44                         incoming[i] * (slope * i + intercept);
  45         }
  46
  47         return 0;
  48 }