plugins/flash/flash.C

   1 #include "flash.h"
   2 #include "edl.inc"
   3 #include "overlayframe.h"
   4 #include "language.h"
   5 #include "picon_png.h"
   6 #include "vframe.h"
   7 #include <stdint.h>
   8
   9
  10 PluginClient* new_plugin(PluginServer *server)
  11 {
  12         return new FlashMain(server);
  13 }
  14
  15
  16
  17
  18
  19 FlashMain::FlashMain(PluginServer *server)
  20  : PluginVClient(server)
  21 {
  22 }
  23
  24 FlashMain::~FlashMain()
  25 {
  26 }
  27
  28 char* FlashMain::plugin_title() { return N_("Flash"); }
  29 int FlashMain::is_video() { return 1; }
  30 int FlashMain::is_transition() { return 1; }
  31 int FlashMain::uses_gui() { return 0; }
  32
  33 NEW_PICON_MACRO(FlashMain)
  34
  35
  36 #define FLASH(type, temp_type, components, max, chroma_offset) \
  37 { \
  38         float round_factor = (sizeof(type) < 4) ? 0.5 : 0; \
  39         temp_type foreground = (temp_type)(fraction * max + round_factor); \
  40         temp_type chroma_foreground = foreground; \
  41         if(chroma_offset) chroma_foreground = foreground * chroma_offset / max; \
  42         temp_type transparency = max - foreground; \
  43  \
  44         for(int i = 0; i < h; i++) \
  45         { \
  46                 type *in_row = (type*)incoming->get_rows()[i]; \
  47                 type *out_row = (type*)outgoing->get_rows()[i]; \
  48                 if(is_before) \
  49                 { \
  50                         for(int j = 0; j < w; j++) \
  51                         { \
  52                                 *out_row = foreground + transparency * *out_row / max; \
  53                                 out_row++; \
  54                                 *out_row = chroma_foreground + transparency * *out_row / max; \
  55                                 out_row++; \
  56                                 *out_row = chroma_foreground + transparency * *out_row / max; \
  57                                 out_row++; \
  58                                 if(components == 4) \
  59                                 { \
  60                                         *out_row = foreground + transparency * *out_row / max; \
  61                                         out_row++; \
  62                                 } \
  63                         } \
  64                 } \
  65                 else \
  66                 { \
  67                         for(int j = 0; j < w; j++) \
  68                         { \
  69                                 *out_row = foreground + transparency * *in_row / max; \
  70                                 out_row++; \
  71                                 in_row++; \
  72                                 *out_row = chroma_foreground + transparency * *in_row / max; \
  73                                 out_row++; \
  74                                 in_row++; \
  75                                 *out_row = chroma_foreground + transparency * *in_row / max; \
  76                                 out_row++; \
  77                                 in_row++; \
  78                                 if(components == 4) \
  79                                 { \
  80                                         *out_row = foreground + transparency * *in_row / max; \
  81                                         out_row++; \
  82                                         in_row++; \
  83                                 } \
  84                         } \
  85                 } \
  86         } \
  87 }
  88
  89 int FlashMain::process_realtime(VFrame *incoming, VFrame *outgoing)
  90 {
  91         int half = PluginClient::get_total_len() / 2;
  92         int position = half - labs(PluginClient::get_source_position() - half);
  93         float fraction = (float)position / half;
  94         int is_before = PluginClient::get_source_position() < half;
  95         int w = incoming->get_w();
  96         int h = incoming->get_h();
  97
  98         switch(incoming->get_color_model())
  99         {
 100                 case BC_RGB888:
 101                         FLASH(unsigned char, int, 3, 0xff, 0x0);
 102                         break;
 103                 case BC_RGB_FLOAT:
 104                         FLASH(float, float, 3, 1.0, 0x0);
 105                         break;
 106                 case BC_RGBA8888:
 107                         FLASH(unsigned char, int, 4, 0xff, 0x0);
 108                         break;
 109                 case BC_RGBA_FLOAT:
 110                         FLASH(float, float, 4, 1.0, 0x0);
 111                         break;
 112                 case BC_YUV888:
 113                         FLASH(unsigned char, int, 3, 0xff, 0x80);
 114                         break;
 115                 case BC_YUVA8888:
 116                         FLASH(unsigned char, int, 4, 0xff, 0x80);
 117                         break;
 118                 case BC_RGB161616:
 119                         FLASH(uint16_t, int, 3, 0xffff, 0x0);
 120                         break;
 121                 case BC_RGBA16161616:
 122                         FLASH(uint16_t, int, 4, 0xffff, 0x0);
 123                         break;
 124                 case BC_YUV161616:
 125                         FLASH(uint16_t, int, 3, 0xffff, 0x8000);
 126                         break;
 127                 case BC_YUVA16161616:
 128                         FLASH(uint16_t, int, 4, 0xffff, 0x8000);
 129                         break;
 130         }
 131
 132         return 0;
 133 }