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/*
# (C) 2008 Hans de Goede <j.w.r.degoede@hhs.nl>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser 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
*/
#include <stdio.h>
#include <stdlib.h>
#include "../libv4lconvert/libv4lsyscall-priv.h"
#include <linux/videodev.h>
#include "libv4l1-priv.h"
#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
FILE *v4l1_log_file = NULL;
static const char *v4l1_ioctls[] = {
[_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP",
[_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN",
[_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN",
[_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER",
[_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER",
[_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT",
[_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT",
[_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE",
[_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN",
[_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN",
[_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF",
[_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF",
[_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY",
[_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ",
[_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ",
[_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO",
[_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO",
[_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC",
[_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE",
[_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF",
[_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT",
[_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE",
[_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE",
[_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE",
[_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE",
[_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO",
[_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE",
[_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT",
[_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT",
};
void v4l1_log_ioctl(unsigned long int request, void *arg, int result)
{
const char *ioctl_str = "unknown";
char buf[40];
if (!v4l1_log_file)
return;
/* Don't log v4l2 ioctl's as unknown we pass them to libv4l2 which will
log them for us */
if (_IOC_TYPE(request) == 'V')
return;
if (_IOC_TYPE(request) == 'v' && _IOC_NR(request) < ARRAY_SIZE(v4l1_ioctls))
ioctl_str = v4l1_ioctls[_IOC_NR(request)];
else {
snprintf(buf, sizeof(buf), "unknown request: %c %d\n",
(int)_IOC_TYPE(request), (int)_IOC_NR(request));
ioctl_str = buf;
}
fprintf(v4l1_log_file, "request == %s\n", ioctl_str);
switch(request)
{
case VIDIOCGCAP:fprintf(v4l1_log_file,"name %s\n",( (struct video_capability*)arg)->name );
fprintf(v4l1_log_file,"type %d\n",( (struct video_capability*)arg)->type );
fprintf(v4l1_log_file,"channels %d\n",( (struct video_capability*)arg)->channels );
fprintf(v4l1_log_file,"audios %d\n",( (struct video_capability*)arg)->audios );
fprintf(v4l1_log_file,"maxwidth %d\n",( (struct video_capability*)arg)->maxwidth );
fprintf(v4l1_log_file,"maxheight %d\n",( (struct video_capability*)arg)->maxheight );
fprintf(v4l1_log_file,"minwidth %d\n",( (struct video_capability*)arg)->minwidth );
fprintf(v4l1_log_file,"minheight %d\n",( (struct video_capability*)arg)->minheight );
break;
case VIDIOCGWIN:
case VIDIOCSWIN:
fprintf(v4l1_log_file,"width\t%u\n",
((struct video_window *)arg)->width);
fprintf(v4l1_log_file,"height\t%u\n",
((struct video_window *)arg)->height);
break;
case VIDIOCGCHAN:
case VIDIOCSCHAN:
fprintf(v4l1_log_file,"channel %d\n",( (struct video_channel*)arg)->channel );
fprintf(v4l1_log_file,"name %s\n",( (struct video_channel*)arg)->name );
break;
case VIDIOCGPICT:
case VIDIOCSPICT:
fprintf(v4l1_log_file,"brightness %d\n",( (int)((struct video_picture*)arg)->brightness) );
fprintf(v4l1_log_file,"hue %d\n",( (int)((struct video_picture*)arg)->hue) );
fprintf(v4l1_log_file,"colour %d\n",( (int)((struct video_picture*)arg)->colour) );
fprintf(v4l1_log_file,"contrast %d\n",( (int)((struct video_picture*)arg)->contrast) );
fprintf(v4l1_log_file,"whiteness %d\n",( (int)((struct video_picture*)arg)->whiteness) );
fprintf(v4l1_log_file,"depth %d\n",( (int)((struct video_picture*)arg)->depth) );
fprintf(v4l1_log_file,"palette %d\n",( (int)((struct video_picture*)arg)->palette) );
break;
case VIDIOCCAPTURE: fprintf(v4l1_log_file,"on/off? %d\n", *((int *)arg) );
break;
case VIDIOCSYNC: fprintf(v4l1_log_file,"sync %d\n", *((int *)arg) );
break;
case VIDIOCMCAPTURE:
fprintf(v4l1_log_file,"frame %u\n",( (struct video_mmap*)arg)->frame );
fprintf(v4l1_log_file,"width %d\n",( (struct video_mmap*)arg)->width );
fprintf(v4l1_log_file,"height %d\n",( (struct video_mmap*)arg)->height );
fprintf(v4l1_log_file,"format %u\n",( (struct video_mmap*)arg)->format );
break;
case VIDIOCGMBUF:
fprintf(v4l1_log_file,"size %d\n",( (struct video_mbuf*)arg)->size );
fprintf(v4l1_log_file,"frames %d\n",( (struct video_mbuf*)arg)->frames );
break;
}
fprintf(v4l1_log_file, "result == %d\n", result);
fflush(v4l1_log_file);
}
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