Imported Upstream version 0.17upstream/0.17

1 files changed, 252 insertions, 0 deletions

diff --git a/src/v4l.c b/src/v4l.c
new file mode 100644
index 0000000..f337e02
--- /dev/null
+++ b/src/v4l.c
@@ -0,0 +1,252 @@
+#include"v4l.h"
+#include<time.h>
+#include<errno.h>
+#include<gnome.h>
+#include "support.h"
+
+extern int frame_number;
+extern int errno;
+
+void print_cam(cam *cam){
+	printf("\nCamera Info\n");
+	printf("-------------\n");
+	printf("device = %s, x = %d, y = %d\n",cam->video_dev, cam->x,cam->y);
+	printf("depth = %d, desk_depth = %d, size = %d\n",cam->depth,cam->desk_depth,cam->size);
+	printf("capture directory = %s, capture file = %s\n",cam->pixdir, cam->capturefile);
+	printf("remote capture directory = %s, remote capture file = %s\n",cam->rpixdir, cam->rcapturefile);
+	printf("remote host = %s, remote login = %s\n",cam->rhost,cam->rlogin);
+	printf("timestamp = %s\n\n",cam->ts_string);
+	
+}
+void print_palette(int p)
+{
+
+   switch (p) {
+   case VIDEO_PALETTE_HI240:
+      printf("High 240 cube (BT848)\n");
+      break;
+
+   case VIDEO_PALETTE_RGB565:
+      printf("565 16 bit RGB\n");
+      break;
+
+   case VIDEO_PALETTE_RGB24:
+      printf("24bit RGB\n");
+      break;
+
+   case VIDEO_PALETTE_RGB32:
+      printf("32bit RGB\n");
+      break;
+
+   case VIDEO_PALETTE_RGB555:
+      printf("555 15bit RGB\n");
+      break;
+
+   case VIDEO_PALETTE_YUV422:
+      printf("YUV422 capture");
+      break;
+
+   case VIDEO_PALETTE_YUYV:
+      printf("YUYV\n");
+      break;
+
+   case VIDEO_PALETTE_UYVY:
+      printf("UYVY\n");
+      break;
+
+   case VIDEO_PALETTE_YUV420:
+      printf("YUV420\n");
+      break;
+
+   case VIDEO_PALETTE_YUV411:
+      printf("YUV411 capture\n");
+      break;
+
+   case VIDEO_PALETTE_RAW:
+      printf("RAW capture (BT848)\n");
+      break;
+
+   case VIDEO_PALETTE_YUV422P:
+      printf("YUV 4:2:2 Planar");
+      break;
+
+   case VIDEO_PALETTE_YUV411P:
+      printf("YUV 4:1:1 Planar\n");
+      break;
+
+   case VIDEO_PALETTE_YUV420P:
+      printf("YUV 4:2:0 Planar\n");
+      break;
+
+   case VIDEO_PALETTE_YUV410P:
+      printf("YUV 4:1:0 Planar\n");
+      break;
+   }
+}
+
+void camera_cap(cam * cam)
+{
+   char *msg;
+   if(ioctl(cam->dev, VIDIOCGCAP, &cam->vid_cap) == -1) {
+      if(cam->debug == TRUE) {
+         fprintf(stderr, "VIDIOCGCAP  --  could not get camera capabilities, exiting.....\n");
+      }
+      msg = g_strdup_printf(_("Could not connect to video device (%s).\nPlease check connection."), cam->video_dev);
+      error_dialog(msg);
+      g_free(msg);
+      exit(0);
+   }
+   if(cam->x > 0 && cam->y > 0) {
+      if(cam->vid_cap.maxwidth < cam->x) {
+         cam->x = cam->vid_cap.maxwidth;
+      }
+      if(cam->vid_cap.minwidth > cam->x) {
+         cam->x = cam->vid_cap.minwidth;
+      }
+      if(cam->vid_cap.maxheight < cam->y) {
+         cam->y = cam->vid_cap.maxheight;
+      }
+      if(cam->vid_cap.minheight > cam->y) {
+         cam->y = cam->vid_cap.minheight;
+      }
+   } else {
+      switch (cam->size) {
+      case PICMAX:
+         cam->x = cam->vid_cap.maxwidth;
+         cam->y = cam->vid_cap.maxheight;
+         break;
+
+      case PICMIN:
+         cam->x = cam->vid_cap.minwidth;
+         cam->y = cam->vid_cap.minheight;
+         break;
+
+      case PICHALF:
+         cam->x = cam->vid_cap.maxwidth / 2;
+         cam->y = cam->vid_cap.maxheight / 2;
+         break;
+
+      default:
+         cam->x = cam->vid_cap.maxwidth / 2;
+         cam->y = cam->vid_cap.maxheight / 2;
+         break;
+      }
+   }
+   if((cam->vid_cap.type & VID_TYPE_CAPTURE) != 1) {
+      cam->read = TRUE;
+   }
+
+   if(cam->debug == TRUE) {
+      printf("\nVIDIOCGCAP\n");
+      printf("device name = %s\n", cam->vid_cap.name);
+      printf("device type = %d\n", cam->vid_cap.type);
+      if(cam->read == FALSE){
+		  printf("can use mmap()\n");
+	  }
+      printf("# of channels = %d\n", cam->vid_cap.channels);
+      printf("# of audio devices = %d\n", cam->vid_cap.audios);
+      printf("max width = %d\n", cam->vid_cap.maxwidth);
+      printf("max height = %d\n", cam->vid_cap.maxheight);
+      printf("min width = %d\n", cam->vid_cap.minwidth);
+      printf("min height = %d\n", cam->vid_cap.minheight);
+   }
+}
+void set_pic_info(cam * cam)
+{
+   char *msg;
+   if(ioctl(cam->dev, VIDIOCSPICT, &cam->vid_pic) == -1) {
+      if(cam->debug == TRUE) {
+         fprintf(stderr, "VIDIOCSPICT  --  could not set picture info, exiting....\n");
+      }
+      msg = g_strdup_printf(_("Could not connect to video device (%s).\nPlease check connection."), cam->video_dev);
+      error_dialog(msg);
+      g_free(msg);
+      exit(0);
+   }
+
+}
+
+void get_pic_info(cam * cam)
+{
+   char *msg;
+	
+   if(ioctl(cam->dev, VIDIOCGPICT, &cam->vid_pic) == -1) {
+      msg = g_strdup_printf(_("Could not connect to video device (%s).\nPlease check connection."), cam->video_dev);
+      error_dialog(msg);
+      if(cam->debug == TRUE) {
+         fprintf(stderr, "VIDIOCGPICT  --  could not get picture info, exiting....\n");
+      }
+      g_free(msg);
+      exit(0);
+   }
+	
+   if(cam->debug == TRUE) {
+      printf("\nVIDIOCGPICT:\n");
+      printf("bright = %d\n", cam->vid_pic.brightness);
+      printf("hue = %d\n", cam->vid_pic.hue);
+      printf("colour = %d\n", cam->vid_pic.colour);
+      printf("contrast = %d\n", cam->vid_pic.contrast);
+      printf("whiteness = %d\n", cam->vid_pic.whiteness);
+      printf("colour depth = %d\n", cam->vid_pic.depth);
+      print_palette(cam->vid_pic.palette);
+   }
+}
+
+void get_win_info(cam * cam)
+{
+   gchar *msg;
+   if(ioctl(cam->dev, VIDIOCGWIN, &cam->vid_win) == -1) {
+      msg = g_strdup_printf(_("Could not connect to video device (%s).\nPlease check connection."), cam->video_dev);
+      error_dialog(msg);
+      if(cam->debug == TRUE) {
+         fprintf(stderr, "VIDIOCGWIN  --  could not get window info, exiting....\n");
+      }
+      exit(0);
+   }
+   if(cam->debug == TRUE) {
+      printf("\nVIDIOCGWIN\n");
+      printf("x = %d\n", cam->vid_win.x);
+      printf("y = %d\n", cam->vid_win.y);
+      printf("width = %d\n", cam->vid_win.width);
+      printf("height = %d\n", cam->vid_win.height);
+      printf("chromakey = %d\n", cam->vid_win.chromakey);
+      printf("flags = %d\n", cam->vid_win.flags);
+   }
+}
+void set_win_info(cam * cam)
+{
+   gchar *msg;
+   if(ioctl(cam->dev, VIDIOCSWIN, &cam->vid_win) == -1) {
+      msg = g_strdup_printf(_("Could not connect to video device (%s).\nPlease check connection."), cam->video_dev);
+      error_dialog(msg);
+      if(cam->debug == TRUE) {
+         fprintf(stderr, "VIDIOCSWIN  --  could not set window info, exiting....\nerrno = %d", errno);
+      }
+      g_free(msg);
+      exit(0);
+   }
+
+}
+
+void set_buffer(cam * cam)
+{
+   char *msg;
+   if(ioctl(cam->dev, VIDIOCGMBUF, &cam->vid_buf) == -1) {
+      msg = g_strdup_printf(_("Could not connect to video device (%s).\nPlease check connection."), cam->video_dev);
+      error_dialog(msg);
+      if(cam->debug == TRUE) {
+         fprintf(stderr, "VIDIOCGMBF  --  could not set buffer info, exiting...\n");
+      }
+      g_free(msg);
+      exit(0);
+
+   }
+   
+   if(cam->debug == TRUE) {
+      printf("\nVIDIOCGMBUF\n");
+      printf("mb.size = %d\n", cam->vid_buf.size);
+      printf("mb.frames = %d\n", cam->vid_buf.frames);
+      printf("mb.offset = %d\n", cam->vid_buf.offsets[1]);
+   }
+
+}