Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible
[goodguy/history.git] / cinelerra-5.1 / guicast / bccapture.h
diff --git a/cinelerra-5.1/guicast/bccapture.h b/cinelerra-5.1/guicast/bccapture.h
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+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#ifndef BCCAPTURE_H
+#define BCCAPTURE_H
+
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <X11/Xlib.h>
+#include <X11/extensions/XShm.h>
+
+#include "sizes.h"
+#include "vframe.inc"
+
+
+class BC_Capture
+{
+public:
+       BC_Capture(int w, int h, const char *display_path = "");
+       virtual ~BC_Capture();
+
+       int init_window(const char *display_path);
+// x1 and y1 are automatically adjusted if out of bounds
+       int capture_frame(VFrame *frame, int &x1, int &y1);
+       int get_w();
+       int get_h();
+
+       int w, h, default_depth;
+       unsigned char **row_data;
+
+private:
+       int allocate_data();
+       int delete_data();
+       int get_top_w();
+       int get_top_h();
+       
+       inline void import_RGB565_to_RGB888(unsigned char* &output, unsigned char* &input)
+       {
+               *output++ = (*input & 0xf800) >> 8;
+               *output++ = (*input & 0x7e0) >> 3;
+               *output++ = (*input & 0x1f) << 3;
+
+               input += 2;
+               output += 3;
+       };
+
+       inline void import_BGR888_to_RGB888(unsigned char* &output, unsigned char* &input)
+       {
+               *output++ = input[2];
+               *output++ = input[1];
+               *output++ = input[0];
+
+               input += 3;
+               output += 3;
+       };
+
+       inline void import_BGR8888_to_RGB888(unsigned char* &output, unsigned char* &input)
+       {
+               *output++ = input[2];
+               *output++ = input[1];
+               *output++ = input[0];
+
+               input += 4;
+               output += 3;
+       };
+
+       int use_shm;
+       int bitmap_color_model;
+       unsigned char *data;
+       XImage *ximage;
+       XShmSegmentInfo shm_info;
+       Display* display;
+       Window rootwin;
+       Visual *vis;
+       int bits_per_pixel;
+       int screen;
+       long shm_event_type;
+       int client_byte_order, server_byte_order;
+};
+
+#endif