*** vic/video/grabber-video4linux.cpp.orig	Wed Dec 11 08:33:23 2002
--- vic/video/grabber-video4linux.cpp	Wed Dec 11 08:39:09 2002
***************
*** 113,118 ****
--- 113,119 ----
      int fd_;
      int format_;
      int have_422P;
+     int have_420P;
      int v4lformat_;
      int byteorder_;
      int cformat_;
***************
*** 262,267 ****
--- 263,269 ----
  
      have_mmap = 0;
      have_422P = 0;
+     have_420P = 0;
  
      fd_ = open(dev, O_RDWR);
      if (fd_ < 0) {
***************
*** 276,281 ****
--- 278,287 ----
      if (-1 != ioctl(fd_, VIDIOCMCAPTURE, &vid_mmap)) {
             have_422P = 1;
      }
+     vid_mmap.format = VIDEO_PALETTE_YUV420P;
+     if (-1 != ioctl(fd_, VIDIOCMCAPTURE, &vid_mmap)) {
+ 	have_420P = 1;
+     }
      /* Release device */
      close(fd_);
  
***************
*** 531,537 ****
      case CF_411:
  
      case CF_CIF:
! 	packed422_to_planar411((char*)frame_,fr);
  	break;
  
      case CF_422:
--- 537,546 ----
      case CF_411:
  
      case CF_CIF:
! 	if( have_420P )
! 		memcpy((void *)frame_, (const void *)fr, (size_t)height_*width_*3/2);
! 	else
! 		packed422_to_planar411((char*)frame_,fr);
  	break;
  
      case CF_422:
***************
*** 728,737 ****
--- 737,752 ----
      switch (cformat_) {
      case CF_CIF:
          set_size_411(width_, height_);
+     	if( have_420P ) {
+ 		v4lformat_ = VIDEO_PALETTE_YUV420P;
+ 	}
          DEBUG(fprintf(stderr," cif"));
          break;
      case CF_411:
          set_size_411(width_, height_);
+     	if( have_420P ) {
+ 		v4lformat_ = VIDEO_PALETTE_YUV420P;
+ 	}
          DEBUG(fprintf(stderr," 411"));
          break;
      case CF_422: