hvirtual/plugins/flash/flash.C

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