guicast/bccapture.h

   1 #ifndef BCCAPTURE_H
   2 #define BCCAPTURE_H
   3
   4 #include <sys/ipc.h>
   5 #include <sys/shm.h>
   6 #include <X11/Xlib.h>
   7 #include <X11/extensions/XShm.h>
   8
   9 #include "sizes.h"
  10 #include "vframe.inc"
  11
  12
  13 class BC_Capture
  14 {
  15 public:
  16         BC_Capture(int w, int h, char *display_path = "");
  17         virtual ~BC_Capture();
  18
  19         int init_window(char *display_path);
  20 // x1 and y1 are automatically adjusted if out of bounds
  21         int capture_frame(VFrame *frame, int &x1, int &y1);
  22         int get_w();
  23         int get_h();
  24
  25         int w, h, default_depth;
  26         unsigned char **row_data;
  27
  28 private:
  29         int allocate_data();
  30         int delete_data();
  31         int get_top_w();
  32         int get_top_h();
  33
  34         inline void import_RGB565_to_RGB888(unsigned char* &output, unsigned char* &input)
  35         {
  36                 *output++ = (*input & 0xf800) >> 8;
  37                 *output++ = (*input & 0x7e0) >> 3;
  38                 *output++ = (*input & 0x1f) << 3;
  39
  40                 input += 2;
  41                 output += 3;
  42         };
  43
  44         inline void import_BGR888_to_RGB888(unsigned char* &output, unsigned char* &input)
  45         {
  46                 *output++ = input[2];
  47                 *output++ = input[1];
  48                 *output++ = input[0];
  49
  50                 input += 3;
  51                 output += 3;
  52         };
  53
  54         inline void import_BGR8888_to_RGB888(unsigned char* &output, unsigned char* &input)
  55         {
  56                 *output++ = input[2];
  57                 *output++ = input[1];
  58                 *output++ = input[0];
  59
  60                 input += 4;
  61                 output += 3;
  62         };
  63
  64         int use_shm;
  65         int bitmap_color_model;
  66         unsigned char *data;
  67         XImage *ximage;
  68         XShmSegmentInfo shm_info;
  69         Display* display;
  70         Window rootwin;
  71         Visual *vis;
  72         int bits_per_pixel;
  73         int screen;
  74         long shm_event_type;
  75         int client_byte_order, server_byte_order;
  76 };
  77
  78 #endif