cinelerra/fadeengine.h

   1 #ifndef FADEENGINE_H
   2 #define FADEENGINE_H
   3
   4 #include "loadbalance.h"
   5 #include "vframe.inc"
   6
   7
   8 class FadeEngine;
   9
  10 class FadePackage : public LoadPackage
  11 {
  12 public:
  13         FadePackage();
  14
  15         int out_row1, out_row2;
  16 };
  17
  18
  19
  20 class FadeUnit : public LoadClient
  21 {
  22 public:
  23         FadeUnit(FadeEngine *engine);
  24         ~FadeUnit();
  25
  26         void process_package(LoadPackage *package);
  27
  28         FadeEngine *engine;
  29 };
  30
  31 class FadeEngine : public LoadServer
  32 {
  33 public:
  34         FadeEngine(int cpus);
  35         ~FadeEngine();
  36
  37 // the input pointer is never different than the output pointer in any
  38 // of the callers
  39         void do_fade(VFrame *output, VFrame *input, float alpha);
  40
  41         void init_packages();
  42         LoadClient* new_client();
  43         LoadPackage* new_package();
  44
  45         VFrame *output;
  46         VFrame *input;
  47         float alpha;
  48 };
  49
  50
  51
  52 #endif