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Viewing changes to lib/libv4l1/log.c

  • Committer: Bazaar Package Importer
  • Author(s): Gregor Jasny
  • Date: 2010-02-28 19:44:15 UTC
  • Revision ID: james.westby@ubuntu.com-20100228194415-067hdj8rvawj91zw
Tags: upstream-0.7.90
Import upstream version 0.7.90

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lib/libv4l1/log.c
 
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/*
 
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#             (C) 2008 Hans de Goede <hdegoede@redhat.com>
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU Lesser General Public License as published by
 
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# the Free Software Foundation; either version 2.1 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU Lesser General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU Lesser General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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*/
 
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#include <stdio.h>
 
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#include <stdlib.h>
 
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#include "../libv4lconvert/libv4lsyscall-priv.h"
 
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#include <linux/videodev.h>
 
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#include "libv4l1-priv.h"
 
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#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
 
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FILE *v4l1_log_file = NULL;
 
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static const char *v4l1_ioctls[] = {
 
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        [_IOC_NR(VIDIOCGCAP)]       = "VIDIOCGCAP",
 
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        [_IOC_NR(VIDIOCGCHAN)]      = "VIDIOCGCHAN",
 
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        [_IOC_NR(VIDIOCSCHAN)]      = "VIDIOCSCHAN",
 
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        [_IOC_NR(VIDIOCGTUNER)]     = "VIDIOCGTUNER",
 
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        [_IOC_NR(VIDIOCSTUNER)]     = "VIDIOCSTUNER",
 
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        [_IOC_NR(VIDIOCGPICT)]      = "VIDIOCGPICT",
 
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        [_IOC_NR(VIDIOCSPICT)]      = "VIDIOCSPICT",
 
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        [_IOC_NR(VIDIOCCAPTURE)]    = "VIDIOCCAPTURE",
 
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        [_IOC_NR(VIDIOCGWIN)]       = "VIDIOCGWIN",
 
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        [_IOC_NR(VIDIOCSWIN)]       = "VIDIOCSWIN",
 
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        [_IOC_NR(VIDIOCGFBUF)]      = "VIDIOCGFBUF",
 
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        [_IOC_NR(VIDIOCSFBUF)]      = "VIDIOCSFBUF",
 
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        [_IOC_NR(VIDIOCKEY)]        = "VIDIOCKEY",
 
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        [_IOC_NR(VIDIOCGFREQ)]      = "VIDIOCGFREQ",
 
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        [_IOC_NR(VIDIOCSFREQ)]      = "VIDIOCSFREQ",
 
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        [_IOC_NR(VIDIOCGAUDIO)]     = "VIDIOCGAUDIO",
 
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        [_IOC_NR(VIDIOCSAUDIO)]     = "VIDIOCSAUDIO",
 
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        [_IOC_NR(VIDIOCSYNC)]       = "VIDIOCSYNC",
 
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        [_IOC_NR(VIDIOCMCAPTURE)]   = "VIDIOCMCAPTURE",
 
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        [_IOC_NR(VIDIOCGMBUF)]      = "VIDIOCGMBUF",
 
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        [_IOC_NR(VIDIOCGUNIT)]      = "VIDIOCGUNIT",
 
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        [_IOC_NR(VIDIOCGCAPTURE)]   = "VIDIOCGCAPTURE",
 
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        [_IOC_NR(VIDIOCSCAPTURE)]   = "VIDIOCSCAPTURE",
 
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        [_IOC_NR(VIDIOCSPLAYMODE)]  = "VIDIOCSPLAYMODE",
 
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        [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE",
 
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        [_IOC_NR(VIDIOCGPLAYINFO)]  = "VIDIOCGPLAYINFO",
 
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        [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE",
 
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        [_IOC_NR(VIDIOCGVBIFMT)]    = "VIDIOCGVBIFMT",
 
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        [_IOC_NR(VIDIOCSVBIFMT)]    = "VIDIOCSVBIFMT",
 
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};
 
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void v4l1_log_ioctl(unsigned long int request, void *arg, int result)
 
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{
 
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  const char *ioctl_str = "unknown";
 
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  char buf[40];
 
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  if (!v4l1_log_file)
 
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    return;
 
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  /* Don't log v4l2 ioctl's as unknown we pass them to libv4l2 which will
 
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     log them for us */
 
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  if (_IOC_TYPE(request) == 'V')
 
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    return;
 
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  if (_IOC_TYPE(request) == 'v' && _IOC_NR(request) < ARRAY_SIZE(v4l1_ioctls))
 
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    ioctl_str = v4l1_ioctls[_IOC_NR(request)];
 
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  else {
 
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    snprintf(buf, sizeof(buf), "unknown request: %c %d\n",
 
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      (int)_IOC_TYPE(request), (int)_IOC_NR(request));
 
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    ioctl_str = buf;
 
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  }
 
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  fprintf(v4l1_log_file, "request == %s\n", ioctl_str);
 
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  switch(request)
 
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  {
 
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          case VIDIOCGCAP:fprintf(v4l1_log_file,"name   %s\n",( (struct video_capability*)arg)->name            );
 
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                          fprintf(v4l1_log_file,"type   %d\n",( (struct video_capability*)arg)->type            );
 
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                          fprintf(v4l1_log_file,"channels       %d\n",( (struct video_capability*)arg)->channels        );
 
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                          fprintf(v4l1_log_file,"audios         %d\n",( (struct video_capability*)arg)->audios          );
 
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                          fprintf(v4l1_log_file,"maxwidth       %d\n",( (struct video_capability*)arg)->maxwidth        );
 
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                          fprintf(v4l1_log_file,"maxheight      %d\n",( (struct video_capability*)arg)->maxheight       );
 
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                          fprintf(v4l1_log_file,"minwidth       %d\n",( (struct video_capability*)arg)->minwidth        );
 
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                          fprintf(v4l1_log_file,"minheight      %d\n",( (struct video_capability*)arg)->minheight       );
 
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                          break;
 
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    case VIDIOCGWIN:
 
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    case VIDIOCSWIN:
 
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      fprintf(v4l1_log_file,"width\t%u\n",
 
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        ((struct video_window *)arg)->width);
 
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      fprintf(v4l1_log_file,"height\t%u\n",
 
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        ((struct video_window *)arg)->height);
 
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      break;
 
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          case VIDIOCGCHAN:
 
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          case VIDIOCSCHAN:
 
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                          fprintf(v4l1_log_file,"channel        %d\n",( (struct video_channel*)arg)->channel            );
 
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                          fprintf(v4l1_log_file,"name   %s\n",( (struct video_channel*)arg)->name               );
 
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                          break;
 
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          case VIDIOCGPICT:
 
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          case VIDIOCSPICT:
 
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                          fprintf(v4l1_log_file,"brightness     %d\n",( (int)((struct video_picture*)arg)->brightness)  );
 
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                          fprintf(v4l1_log_file,"hue    %d\n",( (int)((struct video_picture*)arg)->hue)         );
 
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                          fprintf(v4l1_log_file,"colour         %d\n",( (int)((struct video_picture*)arg)->colour)      );
 
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                          fprintf(v4l1_log_file,"contrast       %d\n",( (int)((struct video_picture*)arg)->contrast)    );
 
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                          fprintf(v4l1_log_file,"whiteness      %d\n",( (int)((struct video_picture*)arg)->whiteness)   );
 
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                          fprintf(v4l1_log_file,"depth  %d\n",( (int)((struct video_picture*)arg)->depth)       );
 
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                          fprintf(v4l1_log_file,"palette        %d\n",( (int)((struct video_picture*)arg)->palette)     );
 
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                          break;
 
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          case VIDIOCCAPTURE: fprintf(v4l1_log_file,"on/off?    %d\n",  *((int *)arg)                                   );
 
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                          break;
 
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          case VIDIOCSYNC: fprintf(v4l1_log_file,"sync  %d\n",  *((int *)arg)                                   );
 
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                          break;
 
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          case VIDIOCMCAPTURE:
 
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                          fprintf(v4l1_log_file,"frame  %u\n",( (struct video_mmap*)arg)->frame                 );
 
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                          fprintf(v4l1_log_file,"width  %d\n",( (struct video_mmap*)arg)->width                 );
 
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                          fprintf(v4l1_log_file,"height         %d\n",( (struct video_mmap*)arg)->height                );
 
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                          fprintf(v4l1_log_file,"format         %u\n",( (struct video_mmap*)arg)->format                );
 
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                          break;
 
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          case VIDIOCGMBUF:
 
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                          fprintf(v4l1_log_file,"size   %d\n",( (struct video_mbuf*)arg)->size                  );
 
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                          fprintf(v4l1_log_file,"frames         %d\n",( (struct video_mbuf*)arg)->frames                );
 
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                          break;
 
137
  }
 
138
  fprintf(v4l1_log_file, "result == %d\n", result);
 
139
  fflush(v4l1_log_file);
 
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}