diff options
Diffstat (limited to 'v4l2-apps/libv4l/libv4l1/log.c')
| -rw-r--r-- | v4l2-apps/libv4l/libv4l1/log.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/v4l2-apps/libv4l/libv4l1/log.c b/v4l2-apps/libv4l/libv4l1/log.c new file mode 100644 index 000000000..9ff0cea46 --- /dev/null +++ b/v4l2-apps/libv4l/libv4l1/log.c @@ -0,0 +1,145 @@ +/* +# (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 <linux/ioctl.h> +/* These headers are not needed by us, but by linux/videodev2.h, + which is broken on some systems and doesn't include them itself :( */ +#include <sys/time.h> +#include <asm/types.h> +/* end broken header workaround includes */ +#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); +} |