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/*
# (C) 2008 Hans de Goede <hdegoede@redhat.com>
# 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include "../libv4lconvert/libv4lsyscall-priv.h"
#include "libv4l1-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(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(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 %u\n",
((struct video_window *)arg)->width);
fprintf(v4l1_log_file, "height %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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