cinelerra-5.1/cinelerra/overlaydirect.C

   1 #include "overlayframe.h"
   2 #include "overlaydirect.h"
   3
   4 /* Direct translate / blend **********************************************/
   5
   6 DirectPackage::DirectPackage()
   7 {
   8 }
   9
  10 DirectUnit::DirectUnit(DirectEngine *server)
  11  : LoadClient(server)
  12 {
  13         this->engine = server;
  14 }
  15
  16 DirectUnit::~DirectUnit()
  17 {
  18 }
  19
  20 void DirectUnit::process_package(LoadPackage *package)
  21 {
  22         pkg = (DirectPackage*)package;
  23         output = engine->output;
  24         input = engine->input;
  25         mode = engine->mode;
  26         fade = BC_CModels::has_alpha(input->get_color_model()) &&
  27                 mode == TRANSFER_REPLACE ? 1.f : engine->alpha;
  28         ix = engine->in_x1;
  29         ox = engine->out_x1;
  30         ow = engine->out_x2 - ox;
  31         iy = engine->in_y1 - engine->out_y1;
  32
  33         switch(input->get_color_model()) {
  34         case BC_RGB_FLOAT:      rgb_float();    break;
  35         case BC_RGBA_FLOAT:     rgba_float();   break;
  36         case BC_RGB888:         rgb888();       break;
  37         case BC_YUV888:         yuv888();       break;
  38         case BC_RGBA8888:       rgba8888();     break;
  39         case BC_YUVA8888:       yuva8888();     break;
  40         case BC_RGB161616:      rgb161616();    break;
  41         case BC_YUV161616:      yuv161616();    break;
  42         case BC_RGBA16161616:   rgba16161616(); break;
  43         case BC_YUVA16161616:   yuva16161616();  break;
  44         }
  45 }
  46
  47 DirectEngine::DirectEngine(int cpus)
  48  : LoadServer(cpus, cpus)
  49 {
  50 }
  51
  52 DirectEngine::~DirectEngine()
  53 {
  54 }
  55
  56 void DirectEngine::init_packages()
  57 {
  58         if(in_x1 < 0) { out_x1 -= in_x1; in_x1 = 0; }
  59         if(in_y1 < 0) { out_y1 -= in_y1; in_y1 = 0; }
  60         if(out_x1 < 0) { in_x1 -= out_x1; out_x1 = 0; }
  61         if(out_y1 < 0) { in_y1 -= out_y1; out_y1 = 0; }
  62         if(out_x2 > output->get_w()) out_x2 = output->get_w();
  63         if(out_y2 > output->get_h()) out_y2 = output->get_h();
  64         int out_w = out_x2 - out_x1;
  65         int out_h = out_y2 - out_y1;
  66         if( !out_w || !out_h ) return;
  67
  68         int rows = out_h;
  69         int pkgs = get_total_packages();
  70         int row1 = out_y1, row2 = row1;
  71         for(int i = 0; i < pkgs; row1=row2 ) {
  72                 DirectPackage *package = (DirectPackage*)get_package(i);
  73                 row2 = ++i * rows / pkgs + out_y1;
  74                 package->out_row1 = row1;
  75                 package->out_row2 = row2;
  76         }
  77 }
  78
  79 LoadClient* DirectEngine::new_client()
  80 {
  81         return new DirectUnit(this);
  82 }
  83
  84 LoadPackage* DirectEngine::new_package()
  85 {
  86         return new DirectPackage;
  87 }
  88
  89