merge: http://linuxtv.org/hg/~hverkuil/v4l2-apps

From: Mauro Carvalho Chehab <mchehab@infradead.org>



Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 1731 insertions, 0 deletions

diff --git a/v4l2-apps/util/v4l2-ctl.cpp b/v4l2-apps/util/v4l2-ctl.cpp
new file mode 100644
index 000000000..bb7b4bd81
--- /dev/null
+++ b/v4l2-apps/util/v4l2-ctl.cpp
@@ -0,0 +1,1731 @@
+/*
+    Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo dot com>
+
+    Cleanup and VBI and audio in/out options:
+    Copyright (C) 2004  Hans Verkuil <hverkuil@xs4all.nl>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 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 General Public License for more details.
+
+    You should have received a copy of the GNU 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 <unistd.h>
+#include <features.h>		/* Uses _GNU_SOURCE to define getsubopt in stdlib.h */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <getopt.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <math.h>
+#include <sys/klog.h>
+
+#include <linux/videodev2.h>
+
+#include <list>
+#include <vector>
+#include <map>
+#include <string>
+
+/* Short option list
+
+   Please keep in alphabetical order.
+   That makes it easier to see which short options are still free.
+
+   In general the lower case is used to set something and the upper
+   case is used to retrieve a setting. */
+enum Option {
+	OptGetAudioInput = 'A',
+	OptSetAudioInput = 'a',
+	OptGetAudioOutput = 'B',
+	OptSetAudioOutput = 'b',
+	OptGetCtrl = 'C',
+	OptSetCtrl = 'c',
+	OptSetDevice = 'd',
+	OptGetDriverInfo = 'D',
+	OptGetFreq = 'F',
+	OptSetFreq = 'f',
+	OptHelp = 'h',
+	OptGetInput = 'I',
+	OptSetInput = 'i',
+	OptListCtrls = 'l',
+	OptListCtrlsMenus = 'L',
+	OptListOutputs = 'N',
+	OptListInputs = 'n',
+	OptGetOutput = 'O',
+	OptSetOutput = 'o',
+	OptListAudioOutputs = 'Q',
+	OptListAudioInputs = 'q',
+	OptGetStandard = 'S',
+	OptSetStandard = 's',
+	OptGetTuner = 'T',
+	OptSetTuner = 't',
+	OptGetVideoFormat = 'V',
+	OptSetVideoFormat = 'v',
+
+	OptGetSlicedVbiFormat = 128,
+	OptSetSlicedVbiFormat,
+	OptGetSlicedVbiOutFormat,
+	OptSetSlicedVbiOutFormat,
+	OptGetOverlayFormat,
+	//OptSetOverlayFormat, TODO
+	OptGetVbiFormat,
+	//OptSetVbiFormat, TODO
+	OptGetVbiOutFormat,
+	//OptSetVbiOutFormat, TODO
+	OptAll,
+	OptStreamOff,
+	OptStreamOn,
+	OptListStandards,
+	OptLogStatus,
+	OptVerbose,
+	OptGetVideoOutFormat,
+	OptSetVideoOutFormat,
+	OptGetSlicedVbiCap,
+	OptGetSlicedVbiOutCap,
+	OptLast = 256
+};
+
+static char options[OptLast];
+
+typedef std::vector<struct v4l2_ext_control> ctrl_list;
+static ctrl_list user_ctrls;
+static ctrl_list mpeg_ctrls;
+
+typedef std::map<std::string, unsigned> ctrl_strmap;
+static ctrl_strmap ctrl_str2id;
+typedef std::map<unsigned, std::string> ctrl_idmap;
+static ctrl_idmap ctrl_id2str;
+
+typedef std::list<std::string> ctrl_get_list;
+static ctrl_get_list get_ctrls;
+
+typedef std::map<std::string,std::string> ctrl_set_map;
+static ctrl_set_map set_ctrls;
+
+typedef struct {
+	unsigned flag;
+	const char *str;
+} flag_def;
+
+static const flag_def service_def[] = {
+	{ V4L2_SLICED_TELETEXT_B,  "teletext" },
+	{ V4L2_SLICED_VPS,         "vps" },
+	{ V4L2_SLICED_CAPTION_525, "cc" },
+	{ V4L2_SLICED_WSS_625,     "wss" },
+	{ 0, NULL }
+};
+
+/* fmts specified */
+#define FMTWidth		(1L<<0)
+#define FMTHeight		(1L<<1)
+
+static struct option long_options[] = {
+	{"list-audio-inputs", no_argument, 0, OptListAudioInputs},
+	{"list-audio-outputs", no_argument, 0, OptListAudioOutputs},
+	{"all", no_argument, 0, OptAll},
+	{"device", required_argument, 0, OptSetDevice},
+	{"get-fmt-video", no_argument, 0, OptGetVideoFormat},
+	{"set-fmt-video", required_argument, 0, OptSetVideoFormat},
+	{"get-fmt-video-out", no_argument, 0, OptGetVideoOutFormat},
+	{"set-fmt-video-out", required_argument, 0, OptSetVideoOutFormat},
+	{"help", no_argument, 0, OptHelp},
+	{"get-output", no_argument, 0, OptGetOutput},
+	{"set-output", required_argument, 0, OptSetOutput},
+	{"list-outputs", no_argument, 0, OptListOutputs},
+	{"list-inputs", no_argument, 0, OptListInputs},
+	{"get-input", no_argument, 0, OptGetInput},
+	{"set-input", required_argument, 0, OptSetInput},
+	{"get-audio-input", no_argument, 0, OptGetAudioInput},
+	{"set-audio-input", required_argument, 0, OptSetAudioInput},
+	{"get-audio-output", no_argument, 0, OptGetAudioOutput},
+	{"set-audio-output", required_argument, 0, OptSetAudioOutput},
+	{"get-freq", no_argument, 0, OptGetFreq},
+	{"set-freq", required_argument, 0, OptSetFreq},
+	{"streamoff", no_argument, 0, OptStreamOff},
+	{"streamon", no_argument, 0, OptStreamOn},
+	{"list-standards", no_argument, 0, OptListStandards},
+	{"get-standard", no_argument, 0, OptGetStandard},
+	{"set-standard", required_argument, 0, OptSetStandard},
+	{"info", no_argument, 0, OptGetDriverInfo},
+	{"list-ctrls", no_argument, 0, OptListCtrls},
+	{"list-ctrls-menus", no_argument, 0, OptListCtrlsMenus},
+	{"set-ctrl", required_argument, 0, OptSetCtrl},
+	{"get-ctrl", required_argument, 0, OptGetCtrl},
+	{"get-tuner", no_argument, 0, OptGetTuner},
+	{"set-tuner", required_argument, 0, OptSetTuner},
+	{"verbose", no_argument, 0, OptVerbose},
+	{"log-status", no_argument, 0, OptLogStatus},
+	{"get-fmt-overlay", no_argument, 0, OptGetOverlayFormat},
+	{"get-fmt-sliced-vbi", no_argument, 0, OptGetSlicedVbiFormat},
+	{"set-fmt-sliced-vbi", required_argument, 0, OptSetSlicedVbiFormat},
+	{"get-fmt-sliced-vbi-out", no_argument, 0, OptGetSlicedVbiOutFormat},
+	{"set-fmt-sliced-vbi-out", required_argument, 0, OptSetSlicedVbiOutFormat},
+	{"get-fmt-vbi", no_argument, 0, OptGetVbiFormat},
+	{"get-fmt-vbi-out", no_argument, 0, OptGetVbiOutFormat},
+	{"get-sliced-vbi-cap", no_argument, 0, OptGetSlicedVbiCap},
+	{"get-sliced-vbi-out-cap", no_argument, 0, OptGetSlicedVbiOutCap},
+	{0, 0, 0, 0}
+};
+
+static void usage(void)
+{
+	printf("Usage:\n");
+	printf("  --all              display all information available\n");
+	printf("  -A, --get-audio-input\n");
+	printf("                     query the audio input [VIDIOC_G_AUDIO]\n");
+	printf("  -a, --set-audio-input=<num>\n");
+	printf("                     set the audio input to <num> [VIDIOC_S_AUDIO]\n");
+	printf("  -B, --get-audio-output\n");
+	printf("                     query the audio output [VIDIOC_G_AUDOUT]\n");
+	printf("  -b, --set-audio-output=<num>\n");
+	printf("                     set the audio output to <num> [VIDIOC_S_AUDOUT]\n");
+	printf("  -C, --get-ctrl=<ctrl>[,<ctrl>...]\n");
+	printf("                     get the value of the controls [VIDIOC_G_EXT_CTRLS]\n");
+	printf("  -c, --set-ctrl=<ctrl>=<val>[,<ctrl>=<val>...]\n");
+	printf("                     set the controls to the values specified [VIDIOC_S_EXT_CTRLS]\n");
+	printf("  -D, --info         show driver info [VIDIOC_QUERYCAP]\n");
+	printf("  -d, --device=<dev> use device <dev> instead of /dev/video0\n");
+	printf("                     if <dev> is a single digit, then /dev/video<dev> is used\n");
+	printf("  -F, --get-freq     query the frequency [VIDIOC_G_FREQUENCY]\n");
+	printf("  -f, --set-freq=<freq>\n");
+	printf("                     set the frequency to <freq> MHz [VIDIOC_S_FREQUENCY]\n");
+	printf("  -h, --help         display this help message\n");
+	printf("  -I, --get-input    query the video input [VIDIOC_G_INPUT]\n");
+	printf("  -i, --set-input=<num>\n");
+	printf("                     set the video input to <num> [VIDIOC_S_INPUT]\n");
+	printf("  -l, --list-ctrls   display all controls and their values [VIDIOC_QUERYCTRL]\n");
+	printf("  -L, --list-ctrls-menus\n");
+	printf("		     display all controls, their values and the menus [VIDIOC_QUERYMENU]\n");
+	printf("  -N, --list-outputs display video outputs [VIDIOC_ENUMOUTPUT]\n");
+	printf("  -n, --list-inputs  display video inputs [VIDIOC_ENUMINPUT]\n");
+	printf("  -O, --get-output   query the video output [VIDIOC_G_OUTPUT]\n");
+	printf("  -o, --set-output=<num>\n");
+	printf("                     set the video output to <num> [VIDIOC_S_OUTPUT]\n");
+	printf("  -Q, --list-audio-outputs\n");
+	printf("                     display audio outputs [VIDIOC_ENUMAUDOUT]\n");
+	printf("  -q, --list-audio-inputs\n");
+	printf("                     display audio inputs [VIDIOC_ENUMAUDIO]\n");
+	printf("  -S, --get-standard\n");
+	printf("                     query the video standard [VIDIOC_G_STD]\n");
+	printf("  -s, --set-standard=<num>\n");
+	printf("                     set the video standard to <num> [VIDIOC_S_STD]\n");
+	printf("                     <num> can be a numerical v4l2_std value, or it can be one of:\n");
+	printf("                     pal-X (X = B/G/H/N/Nc/I/D/K/M) or just 'pal' (V4L2_STD_PAL)\n");
+	printf("                     ntsc-X (X = M/J/K) or just 'ntsc' (V4L2_STD_NTSC)\n");
+	printf("                     secam-X (X = B/G/H/D/K/L/Lc) or just 'secam' (V4L2_STD_SECAM)\n");
+	printf("  --list-standards   display supported video standards [VIDIOC_ENUMSTD]\n");
+	printf("  -T, --get-tuner    query the tuner settings [VIDIOC_G_TUNER]\n");
+	printf("  -t, --set-tuner=<mode>\n");
+	printf("                     set the audio mode of the tuner [VIDIOC_S_TUNER]\n");
+	printf("                     Possible values: 0 (mono), 1 (stereo), 2 (lang2), 3 (lang1), 4 (both)\n");
+	printf("  -V, --get-fmt-video\n");
+	printf("     		     query the video capture format [VIDIOC_G_FMT]\n");
+	printf("  -v, --set-fmt-video=width=<x>,height=<y>\n");
+	printf("                     set the video capture format [VIDIOC_S_FMT]\n");
+	printf("  --get-fmt-video-out\n");
+	printf("     		     query the video output format [VIDIOC_G_FMT]\n");
+	printf("  --set-fmt-video-out=width=<x>,height=<y>\n");
+	printf("                     set the video output format [VIDIOC_S_FMT]\n");
+	printf("  --get-fmt-overlay\n");
+	printf("     		     query the video overlay format [VIDIOC_G_FMT]\n");
+	printf("  --get-sliced-vbi-cap\n");
+        printf("		     query the sliced VBI capture capabilities [VIDIOC_G_SLICED_VBI_CAP]\n");
+	printf("  --get-sliced-vbi-out-cap\n");
+        printf("		     query the sliced VBI output capabilities [VIDIOC_G_SLICED_VBI_CAP]\n");
+	printf("  --get-fmt-sliced-vbi\n");
+        printf("		     query the sliced VBI capture format [VIDIOC_G_FMT]\n");
+	printf("  --set-fmt-sliced-vbi=<mode>\n");
+	printf("                     set the sliced VBI capture format to <mode> [VIDIOC_S_FMT]\n");
+	printf("                     <mode> is a comma separated list of:\n");
+	printf("                     off:      turn off sliced VBI (cannot be combined with other modes)\n");
+	printf("                     teletext: teletext (PAL/SECAM)\n");
+	printf("                     cc:       closed caption (NTSC)\n");
+	printf("                     wss:      widescreen signal (PAL/SECAM)\n");
+	printf("                     vps:      VPS (PAL/SECAM)\n");
+	printf("  --get-fmt-sliced-vbi-out\n");
+        printf("		     query the sliced VBI output format [VIDIOC_G_FMT]\n");
+	printf("  --set-fmt-sliced-vbi-out=<mode>\n");
+	printf("                     set the sliced VBI output format to <mode> [VIDIOC_S_FMT]\n");
+	printf("                     <mode> is a comma separated list of:\n");
+	printf("                     off:      turn off sliced VBI (cannot be combined with other modes)\n");
+	printf("                     teletext: teletext (PAL/SECAM)\n");
+	printf("                     cc:       closed caption (NTSC)\n");
+	printf("                     wss:      widescreen signal (PAL/SECAM)\n");
+	printf("                     vps:      VPS (PAL/SECAM)\n");
+	printf("  --get-fmt-vbi      query the VBI capture format [VIDIOC_G_FMT]\n");
+	printf("  --get-fmt-vbi-out  query the VBI output format [VIDIOC_G_FMT]\n");
+	printf("  --verbose          turn on verbose ioctl error reporting.\n");
+	printf("\n");
+	printf("Expert options:\n");
+	printf("  --streamoff        turn the stream off [VIDIOC_STREAMOFF]\n");
+	printf("  --streamon         turn the stream on [VIDIOC_STREAMOFF]\n");
+	printf("  --log-status       log the board status in the kernel log [VIDIOC_LOG_STATUS]\n");
+	exit(0);
+}
+
+static std::string num2s(unsigned num)
+{
+	char buf[10];
+
+	sprintf(buf, "%08x", num);
+	return buf;
+}
+
+static std::string buftype2s(int type)
+{
+	switch (type) {
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+		return "Video Capture";
+	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+		return "Video Output";
+	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+		return "Video Overlay";
+	case V4L2_BUF_TYPE_VBI_CAPTURE:
+		return "VBI Capture";
+	case V4L2_BUF_TYPE_VBI_OUTPUT:
+		return "VBI Output";
+	case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+		return "Sliced VBI Capture";
+	case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+		return "Sliced VBI Output";
+	case V4L2_BUF_TYPE_PRIVATE:
+		return "Private";
+	default:
+		return "Unknown (" + num2s(type) + ")";
+	}
+}
+
+static std::string fcc2s(unsigned int val)
+{
+	std::string s;
+
+	s += val & 0xff;
+	s += (val >> 8) & 0xff;
+	s += (val >> 16) & 0xff;
+	s += (val >> 24) & 0xff;
+	return s;
+}
+
+static std::string field2s(int val)
+{
+	switch (val) {
+	case V4L2_FIELD_ANY:
+		return "Any";
+	case V4L2_FIELD_NONE:
+		return "None";
+	case V4L2_FIELD_TOP:
+		return "Top";
+	case V4L2_FIELD_BOTTOM:
+		return "Bottom";
+	case V4L2_FIELD_INTERLACED:
+		return "Interlaced";
+	case V4L2_FIELD_SEQ_TB:
+		return "Sequential Top-Bottom";
+	case V4L2_FIELD_SEQ_BT:
+		return "Sequential Bottom-Top";
+	case V4L2_FIELD_ALTERNATE:
+		return "Alternating";
+	default:
+		return "Unknown (" + num2s(val) + ")";
+	}
+}
+
+static std::string colorspace2s(int val)
+{
+	switch (val) {
+	case V4L2_COLORSPACE_SMPTE170M:
+		return "Broadcast NTSC/PAL (SMPTE170M/ITU601)";
+	case V4L2_COLORSPACE_SMPTE240M:
+		return "1125-Line (US) HDTV (SMPTE240M)";
+	case V4L2_COLORSPACE_REC709:
+		return "HDTV and modern devices (ITU709)";
+	case V4L2_COLORSPACE_BT878:
+		return "Broken Bt878";
+	case V4L2_COLORSPACE_470_SYSTEM_M:
+		return "NTSC/M (ITU470/ITU601)";
+	case V4L2_COLORSPACE_470_SYSTEM_BG:
+		return "PAL/SECAM BG (ITU470/ITU601)";
+	case V4L2_COLORSPACE_JPEG:
+		return "JPEG (JFIF/ITU601)";
+	case V4L2_COLORSPACE_SRGB:
+		return "SRGB";
+	default:
+		return "Unknown (" + num2s(val) + ")";
+	}
+}
+
+static std::string flags2s(unsigned val, const flag_def *def)
+{
+	std::string s;
+
+	while (def->flag) {
+		if (val & def->flag) {
+			if (s.length()) s += " ";
+			s += def->str;
+		}
+		def++;
+	}
+	return s;
+}
+
+static void print_sliced_vbi_cap(struct v4l2_sliced_vbi_cap &cap)
+{
+//	printf("\tType           : %s\n", buftype2s(vfmt.type).c_str());
+	printf("\tService Set    : %s\n", 
+			flags2s(cap.service_set, service_def).c_str());
+	for (int i = 0; i < 24; i++) {
+		printf("\tService Line %2d: %8s / %-8s\n", i,
+				flags2s(cap.service_lines[0][i], service_def).c_str(),
+				flags2s(cap.service_lines[1][i], service_def).c_str());
+	}
+}
+
+static std::string name2var(unsigned char *name)
+{
+	std::string s;
+
+	while (*name) {
+		if (*name == ' ') s += "_";
+		else s += std::string(1, tolower(*name));
+		name++;
+	}
+	return s;
+}
+
+static void print_qctrl(int fd, struct v4l2_queryctrl *queryctrl,
+		struct v4l2_ext_control *ctrl, int show_menus)
+{
+	struct v4l2_querymenu qmenu = { 0 };
+	std::string s = name2var(queryctrl->name);
+	int i;
+
+	qmenu.id = queryctrl->id;
+	switch (queryctrl->type) {
+	case V4L2_CTRL_TYPE_INTEGER:
+		printf("%31s (int)  : min=%d max=%d step=%d default=%d value=%d",
+				s.c_str(),
+				queryctrl->minimum, queryctrl->maximum,
+				queryctrl->step, queryctrl->default_value,
+				ctrl->value);
+		break;
+	case V4L2_CTRL_TYPE_INTEGER64:
+		printf("%31s (int64): value=%lld", queryctrl->name, ctrl->value64);
+		break;
+	case V4L2_CTRL_TYPE_BOOLEAN:
+		printf("%31s (bool) : default=%d value=%d",
+				s.c_str(),
+				queryctrl->default_value, ctrl->value);
+		break;
+	case V4L2_CTRL_TYPE_MENU:
+		printf("%31s (menu) : min=%d max=%d default=%d value=%d",
+				s.c_str(),
+				queryctrl->minimum, queryctrl->maximum,
+				queryctrl->default_value, ctrl->value);
+		break;
+	case V4L2_CTRL_TYPE_BUTTON:
+		printf("%31s (button)\n", s.c_str());
+		break;
+	default: break;
+	}
+	if (queryctrl->flags) {
+		const flag_def def[] = {
+			{ V4L2_CTRL_FLAG_GRABBED,   "grabbed" },
+			{ V4L2_CTRL_FLAG_READ_ONLY, "readonly" },
+			{ V4L2_CTRL_FLAG_UPDATE,    "update" },
+			{ V4L2_CTRL_FLAG_INACTIVE,  "inactive" },
+			{ V4L2_CTRL_FLAG_SLIDER,    "slider" },
+			{ 0, NULL }
+		};
+		printf(" flags=%s", flags2s(queryctrl->flags, def).c_str());
+	}
+	printf("\n");
+	if (queryctrl->type == V4L2_CTRL_TYPE_MENU && show_menus) {
+		for (i = 0; i <= queryctrl->maximum; i++) {
+			qmenu.index = i;
+			if (ioctl(fd, VIDIOC_QUERYMENU, &qmenu))
+				continue;
+			printf("\t\t\t\t%d: %s\n", i, qmenu.name);
+		}
+	}
+}
+
+static int print_control(int fd, struct v4l2_queryctrl &qctrl, int show_menus)
+{
+	struct v4l2_control ctrl = { 0 };
+	struct v4l2_ext_control ext_ctrl = { 0 };
+	struct v4l2_ext_controls ctrls = { 0 };
+
+	if (qctrl.flags & V4L2_CTRL_FLAG_DISABLED)
+		return 1;
+	if (qctrl.type == V4L2_CTRL_TYPE_CTRL_CLASS) {
+		printf("\n%s\n\n", qctrl.name);
+		return 1;
+	}
+	ext_ctrl.id = qctrl.id;
+	ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(qctrl.id);
+	ctrls.count = 1;
+	ctrls.controls = &ext_ctrl;
+	if (V4L2_CTRL_ID2CLASS(qctrl.id) != V4L2_CTRL_CLASS_USER &&
+	    qctrl.id < V4L2_CID_PRIVATE_BASE) {
+		if (ioctl(fd, VIDIOC_G_EXT_CTRLS, &ctrls)) {
+			printf("error %d getting ext_ctrl %s\n",
+					errno, qctrl.name);
+			return 0;
+		}
+	}
+	else {
+		ctrl.id = qctrl.id;
+		if (ioctl(fd, VIDIOC_G_CTRL, &ctrl)) {
+			printf("error %d getting ctrl %s\n",
+					errno, qctrl.name);
+			return 0;
+		}
+		ext_ctrl.value = ctrl.value;
+	}
+	print_qctrl(fd, &qctrl, &ext_ctrl, show_menus);
+	return 1;
+}
+
+static void list_controls(int fd, int show_menus)
+{
+	struct v4l2_queryctrl qctrl = { V4L2_CTRL_FLAG_NEXT_CTRL };
+	int id;
+
+	while (ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0) {
+			print_control(fd, qctrl, show_menus);
+		qctrl.id |= V4L2_CTRL_FLAG_NEXT_CTRL;
+	}
+	if (qctrl.id != V4L2_CTRL_FLAG_NEXT_CTRL)
+		return;
+	for (id = V4L2_CID_USER_BASE; id < V4L2_CID_LASTP1; id++) {
+		qctrl.id = id;
+		if (ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0)
+			print_control(fd, qctrl, show_menus);
+	}
+	for (qctrl.id = V4L2_CID_PRIVATE_BASE;
+			ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0; qctrl.id++) {
+		print_control(fd, qctrl, show_menus);
+	}
+}
+
+static void find_controls(int fd)
+{
+	struct v4l2_queryctrl qctrl = { V4L2_CTRL_FLAG_NEXT_CTRL };
+	int id;
+
+	while (ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0) {
+		if (qctrl.type != V4L2_CTRL_TYPE_CTRL_CLASS) {
+			ctrl_str2id[name2var(qctrl.name)] = qctrl.id;
+			ctrl_id2str[qctrl.id] = name2var(qctrl.name);
+		}
+		qctrl.id |= V4L2_CTRL_FLAG_NEXT_CTRL;
+	}
+	if (qctrl.id != V4L2_CTRL_FLAG_NEXT_CTRL)
+		return;
+	for (id = V4L2_CID_USER_BASE; id < V4L2_CID_LASTP1; id++) {
+		qctrl.id = id;
+		if (ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0)
+			ctrl_str2id[name2var(qctrl.name)] = qctrl.id;
+	}
+	for (qctrl.id = V4L2_CID_PRIVATE_BASE;
+			ioctl(fd, VIDIOC_QUERYCTRL, &qctrl) == 0; qctrl.id++) {
+		ctrl_str2id[name2var(qctrl.name)] = qctrl.id;
+	}
+}
+
+static int printfmt(struct v4l2_format vfmt)
+{
+	const flag_def vbi_def[] = {
+		{ V4L2_VBI_UNSYNC,     "unsynchronized" },
+		{ V4L2_VBI_INTERLACED, "interlaced" },
+		{ 0, NULL }
+	};
+	printf("Format:\n");
+
+	switch (vfmt.type) {
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+		printf("\tType          : %s\n", buftype2s(vfmt.type).c_str());
+		printf("\tWidth/Height  : %u/%u\n", vfmt.fmt.pix.width, vfmt.fmt.pix.height);
+		printf("\tPixel Format  : %s\n", fcc2s(vfmt.fmt.pix.pixelformat).c_str());
+		printf("\tField         : %s\n", field2s(vfmt.fmt.pix.field).c_str());
+		printf("\tBytes per Line: %u\n", vfmt.fmt.pix.bytesperline);
+		printf("\tSize Image    : %u\n", vfmt.fmt.pix.sizeimage);
+		printf("\tColorspace    : %s\n", colorspace2s(vfmt.fmt.pix.colorspace).c_str());
+		if (vfmt.fmt.pix.priv)
+			printf("\tCustom Info   : %08x\n", vfmt.fmt.pix.priv);
+		break;
+	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+		printf("\tType        : %s\n", buftype2s(vfmt.type).c_str());
+		printf("\tLeft/Top    : %d/%d\n",
+			       	vfmt.fmt.win.w.left, vfmt.fmt.win.w.top);
+		printf("\tWidth/Height: %d/%d\n",
+			       	vfmt.fmt.win.w.width, vfmt.fmt.win.w.height);
+		printf("\tField       : %s\n", field2s(vfmt.fmt.win.field).c_str());
+		// TODO: check G_FBUF capabilities
+		printf("\tChroma Key  : %08x\n", vfmt.fmt.win.chromakey);
+		printf("\tClip Count  : %u\n", vfmt.fmt.win.clipcount);
+		break;
+	case V4L2_BUF_TYPE_VBI_CAPTURE:
+	case V4L2_BUF_TYPE_VBI_OUTPUT:
+		printf("\tType            : %s\n", buftype2s(vfmt.type).c_str());
+		printf("\tSampling Rate   : %u Hz\n", vfmt.fmt.vbi.sampling_rate);
+		printf("\tOffset          : %u samples (%g secs after leading edge)\n",
+			       	vfmt.fmt.vbi.offset,
+			       	(double)vfmt.fmt.vbi.offset / (double)vfmt.fmt.vbi.sampling_rate);
+		printf("\tSamples per Line: %u\n", vfmt.fmt.vbi.samples_per_line);
+		printf("\tSample Format   : %s\n", fcc2s(vfmt.fmt.vbi.sample_format).c_str());
+		printf("\tStart 1st Field : %u\n", vfmt.fmt.vbi.start[0]);
+		printf("\tCount 1st Field : %u\n", vfmt.fmt.vbi.count[0]);
+		printf("\tStart 2nd Field : %u\n", vfmt.fmt.vbi.start[1]);
+		printf("\tCount 2nd Field : %u\n", vfmt.fmt.vbi.count[1]);
+		if (vfmt.fmt.vbi.flags)
+			printf("\tFlags           : %s\n", flags2s(vfmt.fmt.vbi.flags, vbi_def).c_str());
+		break;
+	case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+	case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+		printf("\tType           : %s\n", buftype2s(vfmt.type).c_str());
+		printf("\tService Set    : %s\n", 
+				flags2s(vfmt.fmt.sliced.service_set, service_def).c_str());
+		for (int i = 0; i < 24; i++) {
+			printf("\tService Line %2d: %8s / %-8s\n", i,
+			       flags2s(vfmt.fmt.sliced.service_lines[0][i], service_def).c_str(),
+			       flags2s(vfmt.fmt.sliced.service_lines[1][i], service_def).c_str());
+		}
+		printf("\tI/O Size       : %u\n", vfmt.fmt.sliced.io_size);
+		break;
+	case V4L2_BUF_TYPE_PRIVATE:
+		printf("\tType: %s\n", buftype2s(vfmt.type).c_str());
+		break;
+	default:
+		printf("\tType: %s\n", buftype2s(vfmt.type).c_str());
+		return -1;
+	}
+	return 0;
+}
+
+static char *pts_to_string(char *str, unsigned long pts)
+{
+	static char buf[256];
+	int hours, minutes, seconds, fracsec;
+	float fps;
+	int frame;
+	char *p = (str) ? str : buf;
+
+	static const int MPEG_CLOCK_FREQ = 90000;
+	seconds = pts / MPEG_CLOCK_FREQ;
+	fracsec = pts % MPEG_CLOCK_FREQ;
+
+	minutes = seconds / 60;
+	seconds = seconds % 60;
+
+	hours = minutes / 60;
+	minutes = minutes % 60;
+
+	fps = 30;
+	frame = (int)ceilf(((float)fracsec / (float)MPEG_CLOCK_FREQ) * fps);
+
+	snprintf(p, sizeof(buf), "%d:%02d:%02d:%d", hours, minutes, seconds,
+		 frame);
+	return p;
+}
+
+static const char *audmode2s(int audmode)
+{
+	switch (audmode) {
+		case V4L2_TUNER_MODE_STEREO: return "stereo";
+		case V4L2_TUNER_MODE_LANG1: return "lang1";
+		case V4L2_TUNER_MODE_LANG2: return "lang2";
+		case V4L2_TUNER_MODE_LANG1_LANG2: return "bilingual";
+		case V4L2_TUNER_MODE_MONO: return "mono";
+		default: return "unknown";
+	}
+}
+
+static std::string rxsubchans2s(int rxsubchans)
+{
+	std::string s;
+
+	if (rxsubchans & V4L2_TUNER_SUB_MONO)
+		s += "mono ";
+	if (rxsubchans & V4L2_TUNER_SUB_STEREO)
+		s += "stereo ";
+	if (rxsubchans & V4L2_TUNER_SUB_LANG1)
+		s += "lang1 ";
+	if (rxsubchans & V4L2_TUNER_SUB_LANG2)
+		s += "lang2 ";
+	return s;
+}
+
+static std::string tcap2s(unsigned cap)
+{
+	std::string s;
+
+	if (cap & V4L2_TUNER_CAP_LOW)
+		s += "62.5 Hz ";
+	else
+		s += "62.5 kHz ";
+	if (cap & V4L2_TUNER_CAP_NORM)
+		s += "multi-standard ";
+	if (cap & V4L2_TUNER_CAP_STEREO)
+		s += "stereo ";
+	if (cap & V4L2_TUNER_CAP_LANG1)
+		s += "lang1 ";
+	if (cap & V4L2_TUNER_CAP_LANG2)
+		s += "lang2 ";
+	return s;
+}
+
+static std::string cap2s(unsigned cap)
+{
+	std::string s;
+
+	if (cap & V4L2_CAP_VIDEO_CAPTURE)
+		s += "\t\tVideo Capture\n";
+	if (cap & V4L2_CAP_VIDEO_OUTPUT)
+		s += "\t\tVideo Output\n";
+	if (cap & V4L2_CAP_VIDEO_OVERLAY)
+		s += "\t\tVideo Overlay\n";
+	if (cap & V4L2_CAP_VBI_CAPTURE)
+		s += "\t\tVBI Capture\n";
+	if (cap & V4L2_CAP_VBI_OUTPUT)
+		s += "\t\tVBI Output\n";
+	if (cap & V4L2_CAP_SLICED_VBI_CAPTURE)
+		s += "\t\tSliced VBI Capture\n";
+	if (cap & V4L2_CAP_SLICED_VBI_OUTPUT)
+		s += "\t\tSliced VBI Output\n";
+	if (cap & V4L2_CAP_RDS_CAPTURE)
+		s += "\t\tRDS Capture\n";
+	if (cap & V4L2_CAP_TUNER)
+		s += "\t\tTuner\n";
+	if (cap & V4L2_CAP_AUDIO)
+		s += "\t\tAudio\n";
+	if (cap & V4L2_CAP_RADIO)
+		s += "\t\tRadio\n";
+	if (cap & V4L2_CAP_READWRITE)
+		s += "\t\tRead/Write\n";
+	if (cap & V4L2_CAP_ASYNCIO)
+		s += "\t\tAsync I/O\n";
+	if (cap & V4L2_CAP_STREAMING)
+		s += "\t\tStreaming\n";
+	return s;
+}
+
+static v4l2_std_id parse_pal(const char *pal)
+{
+	if (pal[0] == '-') {
+		switch (pal[1]) {
+			case 'b':
+			case 'B':
+			case 'g':
+			case 'G':
+				return V4L2_STD_PAL_BG;
+			case 'h':
+			case 'H':
+				return V4L2_STD_PAL_H;
+			case 'n':
+			case 'N':
+				if (pal[2] == 'c' || pal[2] == 'C')
+					return V4L2_STD_PAL_Nc;
+				return V4L2_STD_PAL_N;
+			case 'i':
+			case 'I':
+				return V4L2_STD_PAL_I;
+			case 'd':
+			case 'D':
+			case 'k':
+			case 'K':
+				return V4L2_STD_PAL_DK;
+			case 'M':
+			case 'm':
+				return V4L2_STD_PAL_M;
+			case '-':
+				break;
+		}
+	}
+	fprintf(stderr, "pal specifier not recognised\n");
+	return 0;
+}
+
+static v4l2_std_id parse_secam(const char *secam)
+{
+	if (secam[0] == '-') {
+		switch (secam[1]) {
+			case 'b':
+			case 'B':
+			case 'g':
+			case 'G':
+			case 'h':
+			case 'H':
+				return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
+			case 'd':
+			case 'D':
+			case 'k':
+			case 'K':
+				return V4L2_STD_SECAM_DK;
+			case 'l':
+			case 'L':
+				if (secam[2] == 'C' || secam[2] == 'c')
+					return V4L2_STD_SECAM_LC;
+				return V4L2_STD_SECAM_L;
+			case '-':
+				break;
+		}
+	}
+	fprintf(stderr, "secam specifier not recognised\n");
+	return 0;
+}
+
+static v4l2_std_id parse_ntsc(const char *ntsc)
+{
+	if (ntsc[0] == '-') {
+		switch (ntsc[1]) {
+			case 'm':
+			case 'M':
+				return V4L2_STD_NTSC_M;
+			case 'j':
+			case 'J':
+				return V4L2_STD_NTSC_M_JP;
+			case 'k':
+			case 'K':
+				return V4L2_STD_NTSC_M_KR;
+			case '-':
+				break;
+		}
+	}
+	fprintf(stderr, "ntsc specifier not recognised\n");
+	return 0;
+}
+
+static int doioctl(int fd, int request, void *parm, const char *name)
+{
+	int retVal;
+
+	if (!options[OptVerbose]) return ioctl(fd, request, parm);
+	retVal = ioctl(fd, request, parm);
+	printf("%s: ", name);
+	if (retVal < 0)
+		printf("failed: %s\n", strerror(errno));
+	else
+		printf("ok\n");
+
+	return retVal;
+}
+
+static int parse_subopt(char **subs, char * const *subopts, char **value)
+{
+	int opt = getsubopt(subs, subopts, value);
+
+	if (opt == -1) {
+		fprintf(stderr, "Invalid suboptions specified\n");
+		usage();
+		exit(1);
+	}
+	if (value == NULL) {
+		fprintf(stderr, "No value given to suboption <%s>\n",
+				subopts[opt]);
+		usage();
+		exit(1);
+	}
+	return opt;
+}
+
+static void parse_next_subopt(char **subs, char **value)
+{
+	static char *const subopts[] = {
+	    NULL
+	};
+	int opt = getsubopt(subs, subopts, value);
+
+	if (value == NULL) {
+		fprintf(stderr, "No value given to suboption <%s>\n",
+				subopts[opt]);
+		usage();
+		exit(1);
+	}
+}
+
+static void print_std(const char *prefix, const char *stds[], unsigned long long std)
+{
+	int first = 1;
+
+	printf("\t%s-", prefix);
+	while (*stds) {
+		if (std & 1) {
+			if (!first)
+				printf("/");
+			first = 0;
+			printf("%s", *stds);
+		}
+		stds++;
+		std >>= 1;
+	}
+	printf("\n");
+}
+
+int main(int argc, char **argv)
+{
+	char *value, *subs;
+	int i;
+
+	int fd = -1;
+
+	/* bitfield for fmts */
+	unsigned int set_fmts = 0;
+	unsigned int set_fmts_out = 0;
+
+	int mode = V4L2_TUNER_MODE_STEREO;	/* set audio mode */
+
+	/* command args */
+	int ch;
+	char *device = strdup("/dev/video0");	/* -d device */
+	struct v4l2_format vfmt;	/* set_format/get_format for video */
+	struct v4l2_format vfmt_out;	/* set_format/get_format video output */
+	struct v4l2_format vbi_fmt;	/* set_format/get_format for sliced VBI */
+	struct v4l2_format vbi_fmt_out;	/* set_format/get_format for sliced VBI output */
+	struct v4l2_format raw_fmt;	/* set_format/get_format for VBI */
+	struct v4l2_format raw_fmt_out;	/* set_format/get_format for VBI output */
+	struct v4l2_tuner tuner;        /* set_tuner/get_tuner */
+	struct v4l2_capability vcap;	/* list_cap */
+	struct v4l2_input vin;		/* list_inputs */
+	struct v4l2_output vout;	/* list_outputs */
+	struct v4l2_audio vaudio;	/* list audio inputs */
+	struct v4l2_audioout vaudout;   /* audio outputs */
+	int input;			/* set_input/get_input */
+	int output;			/* set_output/get_output */
+	v4l2_std_id std;		/* get_std/set_std */
+	double freq = 0;		/* get/set frequency */
+	struct v4l2_frequency vf;	/* get_freq/set_freq */
+	struct v4l2_standard vs;	/* list_std */
+	char short_options[26 * 2 * 2 + 1];
+	int idx = 0;
+
+	memset(&vfmt, 0, sizeof(vfmt));
+	memset(&vbi_fmt, 0, sizeof(vbi_fmt));
+	memset(&raw_fmt, 0, sizeof(raw_fmt));
+	memset(&vfmt_out, 0, sizeof(vfmt_out));
+	memset(&vbi_fmt_out, 0, sizeof(vbi_fmt_out));
+	memset(&raw_fmt_out, 0, sizeof(raw_fmt_out));
+	memset(&tuner, 0, sizeof(tuner));
+	memset(&vcap, 0, sizeof(vcap));
+	memset(&vin, 0, sizeof(vin));
+	memset(&vout, 0, sizeof(vout));
+	memset(&vaudio, 0, sizeof(vaudio));
+	memset(&vaudout, 0, sizeof(vaudout));
+	memset(&vf, 0, sizeof(vf));
+	memset(&vs, 0, sizeof(vs));
+
+	if (argc == 1) {
+		usage();
+		return 0;
+	}
+	for (i = 0; long_options[i].name; i++) {
+		if (!isalpha(long_options[i].val))
+			continue;
+		short_options[idx++] = long_options[i].val;
+		if (long_options[i].has_arg == required_argument)
+			short_options[idx++] = ':';
+	}
+	while (1) {
+		int option_index = 0;
+
+		short_options[idx] = 0;
+		ch = getopt_long(argc, argv, short_options,
+				 long_options, &option_index);
+		if (ch == -1)
+			break;
+
+		options[(int)ch] = 1;
+		switch (ch) {
+		case OptHelp:
+			usage();
+			return 0;
+		case OptSetDevice:
+			device = strdup(optarg);
+			if (device[0] >= '0' && device[0] <= '9' && device[1] == 0) {
+				char dev = device[0];
+
+				sprintf(device, "/dev/video%c", dev);
+			}
+			break;
+		case OptSetVideoFormat:
+			subs = optarg;
+			while (*subs != '\0') {
+				static char *const subopts[] = {
+					"width",
+					"height",
+					NULL
+				};
+
+				switch (parse_subopt(&subs, subopts, &value)) {
+				case 0:
+					vfmt.fmt.pix.width = strtol(value, 0L, 0);
+					set_fmts |= FMTWidth;
+					break;
+				case 1:
+					vfmt.fmt.pix.height = strtol(value, 0L, 0);
+					set_fmts |= FMTHeight;
+					break;
+				}
+			}
+			break;
+		case OptSetVideoOutFormat:
+			subs = optarg;
+			while (*subs != '\0') {
+				static char *const subopts[] = {
+					"width",
+					"height",
+					NULL
+				};
+
+				switch (parse_subopt(&subs, subopts, &value)) {
+				case 0:
+					vfmt_out.fmt.pix.width = strtol(value, 0L, 0);
+					set_fmts_out |= FMTWidth;
+					break;
+				case 1:
+					vfmt_out.fmt.pix.height = strtol(value, 0L, 0);
+					set_fmts_out |= FMTHeight;
+					break;
+				}
+			}
+			break;
+		case OptSetInput:
+			input = strtol(optarg, 0L, 0);
+			break;
+		case OptSetOutput:
+			output = strtol(optarg, 0L, 0);
+			break;
+		case OptSetAudioInput:
+			vaudio.index = strtol(optarg, 0L, 0);
+			break;
+		case OptSetAudioOutput:
+			vaudout.index = strtol(optarg, 0L, 0);
+			break;
+		case OptSetFreq:
+			freq = strtod(optarg, NULL);
+			break;
+		case OptSetStandard:
+			if (!strncmp(optarg, "pal", 3)) {
+				if (optarg[3])
+					std = parse_pal(optarg + 3);
+				else
+					std = V4L2_STD_PAL;
+			}
+			else if (!strncmp(optarg, "ntsc", 4)) {
+				if (optarg[4])
+					std = parse_ntsc(optarg + 4);
+				else
+					std = V4L2_STD_NTSC;
+			}
+			else if (!strncmp(optarg, "secam", 5)) {
+				if (optarg[5])
+					std = parse_secam(optarg + 5);
+				else
+					std = V4L2_STD_SECAM;
+			}
+			else {
+				std = strtol(optarg, 0L, 0);
+			}
+			break;
+		case OptGetCtrl:
+			subs = optarg;
+			while (*subs != '\0') {
+				parse_next_subopt(&subs, &value);
+				if (strchr(value, '=')) {
+				    usage();
+				    exit(1);
+				}
+				else {
+				    get_ctrls.push_back(value);
+				}
+			}
+			break;
+		case OptSetCtrl:
+			subs = optarg;
+			while (*subs != '\0') {
+				parse_next_subopt(&subs, &value);
+				if (const char *equal = strchr(value, '=')) {
+				    set_ctrls[std::string(value, (equal - value))] = equal + 1;
+				}
+				else {
+				    fprintf(stderr, "control '%s' without '='\n", value);
+				    exit(1);
+				}
+			}
+			break;
+		case OptSetTuner:
+			if (!strcmp(optarg, "stereo"))
+				mode = V4L2_TUNER_MODE_STEREO;
+			else if (!strcmp(optarg, "lang1"))
+				mode = V4L2_TUNER_MODE_LANG1;
+			else if (!strcmp(optarg, "lang2"))
+				mode = V4L2_TUNER_MODE_LANG2;
+			else if (!strcmp(optarg, "bilingual"))
+				mode = V4L2_TUNER_MODE_LANG1_LANG2;
+			else if (!strcmp(optarg, "mono"))
+				mode = V4L2_TUNER_MODE_MONO;
+			else {
+				fprintf(stderr, "Unknown audio mode\n");
+				usage();
+				return 1;
+			}
+			break;
+		case OptSetSlicedVbiFormat:
+		case OptSetSlicedVbiOutFormat:
+		{
+			bool foundOff = false;
+			v4l2_format *fmt = &vbi_fmt;
+
+			if (ch == OptSetSlicedVbiOutFormat)
+				fmt = &vbi_fmt_out;
+			fmt->fmt.sliced.service_set = 0;
+			subs = optarg;
+			while (*subs != '\0') {
+				static char *const subopts[] = {
+					"off",
+					"teletext",
+					"cc",
+					"wss",
+					"vps",
+					NULL
+				};
+
+				switch (parse_subopt(&subs, subopts, &value)) {
+				case 0:
+					foundOff = true;
+					break;
+				case 1:
+					fmt->fmt.sliced.service_set |=
+					    V4L2_SLICED_TELETEXT_B;
+					break;
+				case 2:
+					fmt->fmt.sliced.service_set |=
+					    V4L2_SLICED_CAPTION_525;
+					break;
+				case 3:
+					fmt->fmt.sliced.service_set |=
+					    V4L2_SLICED_WSS_625;
+					break;
+				case 4:
+					fmt->fmt.sliced.service_set |=
+					    V4L2_SLICED_VPS;
+					break;
+				}
+			}
+			if (foundOff && fmt->fmt.sliced.service_set) {
+				fprintf(stderr, "Sliced VBI mode 'off' cannot be combined with other modes\n");
+				usage();
+				return 1;
+			}
+			break;
+		}
+		case ':':
+			fprintf(stderr, "Option `%s' requires a value\n",
+				argv[optind]);
+			usage();
+			return 1;
+		case '?':
+			fprintf(stderr, "Unknown argument `%s'\n",
+				argv[optind]);
+			usage();
+			return 1;
+		}
+	}
+	if (optind < argc) {
+		printf("unknown arguments: ");
+		while (optind < argc)
+			printf("%s ", argv[optind++]);
+		printf("\n");
+		usage();
+		return 1;
+	}
+
+	if ((fd = open(device, O_RDWR)) < 0) {
+		fprintf(stderr, "Failed to open %s: %s\n", device,
+			strerror(errno));
+		exit(1);
+	}
+	free(device);
+
+	doioctl(fd, VIDIOC_QUERYCAP, &vcap, "VIDIOC_QUERYCAP");
+	find_controls(fd);
+	for (ctrl_get_list::iterator iter = get_ctrls.begin(); iter != get_ctrls.end(); ++iter) {
+	    if (ctrl_str2id.find(*iter) == ctrl_str2id.end()) {
+		fprintf(stderr, "unknown control '%s'\n", (*iter).c_str());
+		exit(1);
+	    }
+	}
+	for (ctrl_set_map::iterator iter = set_ctrls.begin(); iter != set_ctrls.end(); ++iter) {
+	    if (ctrl_str2id.find(iter->first) == ctrl_str2id.end()) {
+		fprintf(stderr, "unknown control '%s'\n", iter->first.c_str());
+		exit(1);
+	    }
+	}
+
+	if (options[OptAll]) {
+		options[OptGetVideoFormat] = 1;
+		options[OptGetVideoOutFormat] = 1;
+		options[OptGetDriverInfo] = 1;
+		options[OptGetInput] = 1;
+		options[OptGetOutput] = 1;
+		options[OptGetAudioInput] = 1;
+		options[OptGetAudioOutput] = 1;
+		options[OptGetStandard] = 1;
+		options[OptGetFreq] = 1;
+		options[OptGetTuner] = 1;
+		options[OptGetOverlayFormat] = 1;
+		options[OptGetVbiFormat] = 1;
+		options[OptGetVbiOutFormat] = 1;
+		options[OptGetSlicedVbiFormat] = 1;
+		options[OptGetSlicedVbiOutFormat] = 1;
+	}
+
+	/* Information Opts */
+
+	if (options[OptGetDriverInfo]) {
+		printf("Driver info:\n");
+		printf("\tDriver name   : %s\n", vcap.driver);
+		printf("\tCard type     : %s\n", vcap.card);
+		printf("\tBus info      : %s\n", vcap.bus_info);
+		printf("\tDriver version: %d\n", vcap.version);
+		printf("\tCapabilities  : 0x%08X\n", vcap.capabilities);
+		printf("%s", cap2s(vcap.capabilities).c_str());
+	}
+
+	/* Set options */
+
+	if (options[OptStreamOff]) {
+		int dummy = 0;
+		doioctl(fd, VIDIOC_STREAMOFF, &dummy, "VIDIOC_STREAMOFF");
+	}
+
+	if (options[OptSetFreq]) {
+		double fac = 16;
+
+		if (doioctl(fd, VIDIOC_G_TUNER, &tuner, "VIDIOC_G_TUNER") == 0) {
+			fac = (tuner.capability & V4L2_TUNER_CAP_LOW) ? 16000 : 16;
+		}
+		vf.tuner = 0;
+		vf.type = tuner.type;
+		vf.frequency = __u32(freq * fac);
+		if (doioctl(fd, VIDIOC_S_FREQUENCY, &vf,
+			"VIDIOC_S_FREQUENCY") == 0)
+			printf("Frequency set to %d (%f MHz)\n", vf.frequency,
+					vf.frequency / fac);
+	}
+
+	if (options[OptSetStandard]) {
+		if (std < 16) {
+			vs.index = std;
+			if (ioctl(fd, VIDIOC_ENUMSTD, &vs) >= 0) {
+				std = vs.id;
+			}
+		}
+		if (doioctl(fd, VIDIOC_S_STD, &std, "VIDIOC_S_STD") == 0)
+			printf("Standard set to %08llx\n", (unsigned long long)std);
+	}
+
+	if (options[OptSetInput]) {
+		if (doioctl(fd, VIDIOC_S_INPUT, &input, "VIDIOC_S_INPUT") == 0) {
+			printf("Video input set to %d", input);
+			vin.index = input;
+			if (ioctl(fd, VIDIOC_ENUMINPUT, &vin) >= 0)
+				printf(" (%s)", vin.name);
+			printf("\n");
+		}
+	}
+
+	if (options[OptSetOutput]) {
+		if (doioctl(fd, VIDIOC_S_OUTPUT, &output, "VIDIOC_S_OUTPUT") == 0)
+			printf("Output set to %d\n", output);
+	}
+
+	if (options[OptSetAudioInput]) {
+		if (doioctl(fd, VIDIOC_S_AUDIO, &vaudio, "VIDIOC_S_AUDIO") == 0)
+			printf("Audio input set to %d\n", vaudio.index);
+	}
+
+	if (options[OptSetAudioOutput]) {
+		if (doioctl(fd, VIDIOC_S_AUDOUT, &vaudout, "VIDIOC_S_AUDOUT") == 0)
+			printf("Audio output set to %d\n", vaudout.index);
+	}
+	
+	if (options[OptSetTuner]) {
+		struct v4l2_tuner vt;
+
+		memset(&vt, 0, sizeof(struct v4l2_tuner));
+		if (ioctl(fd, VIDIOC_G_TUNER, &vt) < 0) {
+			fprintf(stderr, "ioctl: VIDIOC_G_TUNER failed\n");
+			exit(1);
+		}
+		vt.audmode = mode;
+		doioctl(fd, VIDIOC_S_TUNER, &vt, "VIDIOC_S_TUNER");
+	}
+
+	if (options[OptSetVideoFormat]) {
+		struct v4l2_format in_vfmt;
+		printf("ioctl: VIDIOC_S_FMT\n");
+		in_vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		if (ioctl(fd, VIDIOC_G_FMT, &in_vfmt) < 0)
+			fprintf(stderr, "ioctl: VIDIOC_G_FMT failed\n");
+		else {
+			if (set_fmts & FMTWidth)
+				in_vfmt.fmt.pix.width = vfmt.fmt.pix.width;
+			if (set_fmts & FMTHeight)
+				in_vfmt.fmt.pix.height = vfmt.fmt.pix.height;
+			if (ioctl(fd, VIDIOC_S_FMT, &in_vfmt) < 0)
+				fprintf(stderr, "ioctl: VIDIOC_S_FMT failed\n");
+			vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+			if (ioctl(fd, VIDIOC_G_FMT, &vfmt) < 0)
+				fprintf(stderr, "ioctl: VIDIOC_G_FMT failed\n");
+		}
+	}
+
+	if (options[OptSetVideoOutFormat]) {
+		struct v4l2_format in_vfmt;
+		printf("ioctl: VIDIOC_S_FMT\n");
+		in_vfmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+		if (ioctl(fd, VIDIOC_G_FMT, &in_vfmt) < 0)
+			fprintf(stderr, "ioctl: VIDIOC_G_FMT failed\n");
+		else {
+			if (set_fmts & FMTWidth)
+				in_vfmt.fmt.pix.width = vfmt.fmt.pix.width;
+			if (set_fmts & FMTHeight)
+				in_vfmt.fmt.pix.height = vfmt.fmt.pix.height;
+			if (ioctl(fd, VIDIOC_S_FMT, &in_vfmt) < 0)
+				fprintf(stderr, "ioctl: VIDIOC_S_FMT failed\n");
+			vfmt_out.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+			if (ioctl(fd, VIDIOC_G_FMT, &vfmt_out) < 0)
+				fprintf(stderr, "ioctl: VIDIOC_G_FMT failed\n");
+		}
+	}
+	
+	if (options[OptSetSlicedVbiFormat]) {
+                if (vbi_fmt.fmt.sliced.service_set == 0) {
+                        // switch to raw mode
+                        vbi_fmt.type = V4L2_BUF_TYPE_VBI_CAPTURE;
+		        if (doioctl(fd, VIDIOC_G_FMT, &vbi_fmt, "VIDIOC_G_FMT") == 0)
+                        	doioctl(fd, VIDIOC_S_FMT, &vbi_fmt, "VIDIOC_S_FMT");
+                } else {
+                        vbi_fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
+                        doioctl(fd, VIDIOC_S_FMT, &vbi_fmt, "VIDIOC_S_FMT");
+                }
+	}
+	
+	if (options[OptSetSlicedVbiOutFormat]) {
+                if (vbi_fmt_out.fmt.sliced.service_set == 0) {
+                        // switch to raw mode
+                        vbi_fmt_out.type = V4L2_BUF_TYPE_VBI_OUTPUT;
+		        if (doioctl(fd, VIDIOC_G_FMT, &vbi_fmt_out, "VIDIOC_G_FMT") == 0)
+                        	doioctl(fd, VIDIOC_S_FMT, &vbi_fmt_out, "VIDIOC_S_FMT");
+                } else {
+                        vbi_fmt_out.type = V4L2_BUF_TYPE_SLICED_VBI_OUTPUT;
+                        doioctl(fd, VIDIOC_S_FMT, &vbi_fmt_out, "VIDIOC_S_FMT");
+                }
+	}
+
+	if (options[OptSetCtrl] && !set_ctrls.empty()) {
+		struct v4l2_ext_controls ctrls = { 0 };
+
+		for (ctrl_set_map::iterator iter = set_ctrls.begin();
+				iter != set_ctrls.end(); ++iter) {
+			struct v4l2_ext_control ctrl = { 0 };
+
+			ctrl.id = ctrl_str2id[iter->first];
+			ctrl.value = atol(iter->second.c_str());
+			if (V4L2_CTRL_ID2CLASS(ctrl.id) == V4L2_CTRL_CLASS_MPEG)
+				mpeg_ctrls.push_back(ctrl);
+			else
+				user_ctrls.push_back(ctrl);
+		}
+		for (unsigned i = 0; i < user_ctrls.size(); i++) {
+			struct v4l2_control ctrl;
+
+			ctrl.id = user_ctrls[i].id;
+			ctrl.value = user_ctrls[i].value;
+			if (doioctl(fd, VIDIOC_S_CTRL, &ctrl, "VIDIOC_S_CTRL")) {
+				fprintf(stderr, "%s: %s\n",
+					ctrl_id2str[ctrl.id].c_str(),
+					strerror(errno));
+			}
+		}
+		if (mpeg_ctrls.size()) {
+			ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
+			ctrls.count = mpeg_ctrls.size();
+			ctrls.controls = &mpeg_ctrls[0];
+			if (doioctl(fd, VIDIOC_S_EXT_CTRLS, &ctrls, "VIDIOC_S_EXT_CTRLS")) {
+				if (ctrls.error_idx >= ctrls.count) {
+					fprintf(stderr, "Error setting MPEG controls: %s\n",
+						strerror(errno));
+				}
+				else {
+					fprintf(stderr, "%s: %s\n",
+						ctrl_id2str[mpeg_ctrls[ctrls.error_idx].id].c_str(),
+						strerror(errno));
+				}
+			}
+		}
+	}
+	
+	/* Get options */
+
+	if (options[OptGetVideoFormat]) {
+		vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		if (doioctl(fd, VIDIOC_G_FMT, &vfmt, "VIDIOC_G_FMT") == 0)
+			if (printfmt(vfmt) != 0)
+				fprintf(stderr, "error printing result\n");
+	}
+
+	if (options[OptGetVideoOutFormat]) {
+		vfmt_out.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+		if (doioctl(fd, VIDIOC_G_FMT, &vfmt_out, "VIDIOC_G_FMT") == 0)
+			if (printfmt(vfmt_out) != 0)
+				fprintf(stderr, "error printing result\n");
+	}
+
+	if (options[OptGetOverlayFormat]) {
+		struct v4l2_format fmt;
+		memset(&fmt, 0, sizeof(fmt));
+		fmt.type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
+		if (doioctl(fd, VIDIOC_G_FMT, &fmt, "VIDIOC_G_FMT") == 0)
+			if (printfmt(fmt) != 0)
+				fprintf(stderr, "error printing result\n");
+	}
+
+	if (options[OptGetSlicedVbiFormat]) {
+                vbi_fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
+		if (doioctl(fd, VIDIOC_G_FMT, &vbi_fmt, 
+			"VIDIOC_G_FMT") == 0)
+			if (printfmt(vbi_fmt) != 0)
+				fprintf(stderr,
+					"error printing result\n");
+	}
+	
+	if (options[OptGetSlicedVbiOutFormat]) {
+                vbi_fmt_out.type = V4L2_BUF_TYPE_SLICED_VBI_OUTPUT;
+		if (doioctl(fd, VIDIOC_G_FMT, &vbi_fmt_out, 
+			"VIDIOC_G_FMT") == 0)
+			if (printfmt(vbi_fmt_out) != 0)
+				fprintf(stderr,
+					"error printing result\n");
+	}
+
+	if (options[OptGetVbiFormat]) {
+                raw_fmt.type = V4L2_BUF_TYPE_VBI_CAPTURE;
+		if (doioctl(fd, VIDIOC_G_FMT, &raw_fmt, 
+			"VIDIOC_G_FMT") == 0)
+			if (printfmt(raw_fmt) != 0)
+				fprintf(stderr,
+					"error printing result\n");
+	}
+	
+	if (options[OptGetVbiOutFormat]) {
+                raw_fmt_out.type = V4L2_BUF_TYPE_VBI_OUTPUT;
+		if (doioctl(fd, VIDIOC_G_FMT, &raw_fmt_out, 
+			"VIDIOC_G_FMT") == 0)
+			if (printfmt(raw_fmt_out) != 0)
+				fprintf(stderr,
+					"error printing result\n");
+	}
+
+	if (options[OptGetInput]) {
+		if (doioctl(fd, VIDIOC_G_INPUT, &input, "VIDIOC_G_INPUT") == 0) {
+			printf("Video input : %d", input);
+			vin.index = input;
+			if (ioctl(fd, VIDIOC_ENUMINPUT, &vin) >= 0)
+				printf(" (%s)", vin.name);
+			printf("\n");
+		}
+	}
+
+	if (options[OptGetOutput]) {
+		if (doioctl(fd, VIDIOC_G_OUTPUT, &output, "VIDIOC_G_OUTPUT") == 0) {
+			printf("Video output: %d", output);
+			vout.index = output;
+			if (ioctl(fd, VIDIOC_ENUMOUTPUT, &vout) >= 0) {
+				printf(" (%s)", vout.name);
+			}
+			printf("\n");
+		}
+	}
+
+	if (options[OptGetAudioInput]) {
+		if (doioctl(fd, VIDIOC_G_AUDIO, &vaudio, "VIDIOC_G_AUDIO") == 0)
+			printf("Audio input : %d (%s)\n", vaudio.index, vaudio.name);
+	}
+
+	if (options[OptGetAudioOutput]) {
+		if (doioctl(fd, VIDIOC_G_AUDOUT, &vaudout, "VIDIOC_G_AUDOUT") == 0)
+			printf("Audio output: %d (%s)\n", vaudout.index, vaudout.name);
+	}
+
+	if (options[OptGetFreq]) {
+		double fac = 16;
+
+		if (doioctl(fd, VIDIOC_G_TUNER, &tuner, "VIDIOC_G_TUNER") == 0) {
+			fac = (tuner.capability & V4L2_TUNER_CAP_LOW) ? 16000 : 16;
+		}
+		vf.tuner = 0;
+		if (doioctl(fd, VIDIOC_G_FREQUENCY, &vf, "VIDIOC_G_FREQUENCY") == 0)
+			printf("Frequency: %d (%f MHz)\n", vf.frequency,
+					vf.frequency / fac);
+	}
+
+	if (options[OptGetStandard]) {
+		if (doioctl(fd, VIDIOC_G_STD, &std, "VIDIOC_G_STD") == 0) {
+			static const char *pal[] = {
+				"B", "B1", "G", "H", "I", "D", "D1", "K",
+				"M", "N", "Nc", "60",
+				NULL
+			};
+			static const char *ntsc[] = {
+				"M", "M-JP", "443", "M-KR",
+				NULL
+			};
+			static const char *secam[] = {
+				"B", "D", "G", "H", "K", "K1", "L", "Lc",
+				NULL
+			};
+			static const char *atsc[] = {
+				"ATSC-8-VSB", "ATSC-16-VSB",
+				NULL
+			};
+
+			printf("Video standard = 0x%08llx\n", (unsigned long long)std);
+			if (std & 0xfff) {
+				print_std("PAL", pal, std);
+			}
+			if (std & 0xf000) {
+				print_std("NTSC", ntsc, std >> 12);
+			}
+			if (std & 0xff0000) {
+				print_std("SECAM", secam, std >> 16);
+			}
+			if (std & 0xf000000) {
+				print_std("ATSC/HDTV", atsc, std >> 24);
+			}
+		}
+	}
+
+	if (options[OptGetCtrl] && !get_ctrls.empty()) {
+		struct v4l2_ext_controls ctrls = { 0 };
+
+		mpeg_ctrls.clear();
+		user_ctrls.clear();
+		for (ctrl_get_list::iterator iter = get_ctrls.begin();
+				iter != get_ctrls.end(); ++iter) {
+			struct v4l2_ext_control ctrl = { 0 };
+
+			ctrl.id = ctrl_str2id[*iter];
+			if (V4L2_CTRL_ID2CLASS(ctrl.id) == V4L2_CTRL_CLASS_MPEG)
+				mpeg_ctrls.push_back(ctrl);
+			else
+				user_ctrls.push_back(ctrl);
+		}
+		for (unsigned i = 0; i < user_ctrls.size(); i++) {
+			struct v4l2_control ctrl;
+
+			ctrl.id = user_ctrls[i].id;
+			doioctl(fd, VIDIOC_G_CTRL, &ctrl, "VIDIOC_G_CTRL");
+			printf("%s: %d\n", ctrl_id2str[ctrl.id].c_str(), ctrl.value);
+		}
+		if (mpeg_ctrls.size()) {
+			ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
+			ctrls.count = mpeg_ctrls.size();
+			ctrls.controls = &mpeg_ctrls[0];
+			doioctl(fd, VIDIOC_G_EXT_CTRLS, &ctrls, "VIDIOC_G_EXT_CTRLS");
+			for (unsigned i = 0; i < mpeg_ctrls.size(); i++) {
+				struct v4l2_ext_control ctrl = mpeg_ctrls[i];
+
+				printf("%s: %d\n", ctrl_id2str[ctrl.id].c_str(), ctrl.value);
+			}
+		}
+	}
+
+	if (options[OptGetTuner]) {
+		struct v4l2_tuner vt;
+		memset(&vt, 0, sizeof(struct v4l2_tuner));
+		if (doioctl(fd, VIDIOC_G_TUNER, &vt, "VIDIOC_G_TUNER") == 0) {
+			printf("Tuner:\n");
+			printf("\tCapabilities         : %s\n", tcap2s(vt.capability).c_str());
+			if (vt.capability & V4L2_TUNER_CAP_LOW)
+				printf("\tFrequency range      : %.1f MHz - %.1f MHz\n",
+				     vt.rangelow / 16000.0, vt.rangehigh / 16000.0);
+			else
+				printf("\tFrequency range      : %.1f MHz - %.1f MHz\n",
+				     vt.rangelow / 16.0, vt.rangehigh / 16.0);
+			printf("\tSignal strength      : %d%%\n", (int)(vt.signal / 655.35));
+			printf("\tCurrent audio mode   : %s\n", audmode2s(vt.audmode));
+			printf("\tAvailable subchannels: %s\n",
+					rxsubchans2s(vt.rxsubchans).c_str());
+		}
+	}
+
+	if (options[OptLogStatus]) {
+		static char buf[40960];
+		int len;
+
+		if (doioctl(fd, VIDIOC_LOG_STATUS, NULL, "VIDIOC_LOG_STATUS") == 0) {
+			printf("\nStatus Log:\n\n");
+			len = klogctl(3, buf, sizeof(buf) - 1);
+			if (len >= 0) {
+				char *p = buf;
+				char *q;
+
+				buf[len] = 0;
+				while ((q = strstr(p, "START STATUS CARD #"))) {
+					p = q + 1;
+				}
+				if (p) {
+					while (p > buf && *p != '<') p--;
+					q = p;
+					while ((q = strstr(q, "<6>"))) {
+						memcpy(q, "   ", 3);
+					}
+					printf("%s", p);
+				}
+			}
+		}
+	}
+
+	/* List options */
+
+	if (options[OptListInputs]) {
+		vin.index = 0;
+		printf("ioctl: VIDIOC_ENUMINPUT\n");
+		while (ioctl(fd, VIDIOC_ENUMINPUT, &vin) >= 0) {
+			if (vin.index)
+				printf("\n");
+			printf("\tInput   : %d\n", vin.index);
+			printf("\tName    : %s\n", vin.name);
+			printf("\tType    : 0x%08X\n", vin.type);
+			printf("\tAudioset: 0x%08X\n", vin.audioset);
+			printf("\tTuner   : 0x%08X\n", vin.tuner);
+			printf("\tStandard: 0x%016llX ( ", (unsigned long long)vin.std);
+			if (vin.std & 0x000FFF)
+				printf("PAL ");	// hack
+			if (vin.std & 0x00F000)
+				printf("NTSC ");	// hack
+			if (vin.std & 0x7F0000)
+				printf("SECAM ");	// hack
+			printf(")\n");
+			printf("\tStatus  : %d\n", vin.status);
+			vin.index++;
+		}
+	}
+
+	if (options[OptListOutputs]) {
+		vout.index = 0;
+		printf("ioctl: VIDIOC_ENUMOUTPUT\n");
+		while (ioctl(fd, VIDIOC_ENUMOUTPUT, &vout) >= 0) {
+			if (vout.index)
+				printf("\n");
+			printf("\tOutput  : %d\n", vout.index);
+			printf("\tName    : %s\n", vout.name);
+			printf("\tType    : 0x%08X\n", vout.type);
+			printf("\tAudioset: 0x%08X\n", vout.audioset);
+			printf("\tStandard: 0x%016llX ( ", (unsigned long long)vout.std);
+			if (vout.std & 0x000FFF)
+				printf("PAL ");	// hack
+			if (vout.std & 0x00F000)
+				printf("NTSC ");	// hack
+			if (vout.std & 0x7F0000)
+				printf("SECAM ");	// hack
+			printf(")\n");
+			vout.index++;
+		}
+	}
+
+	if (options[OptListAudioInputs]) {
+		struct v4l2_audio vaudio;	/* list audio inputs */
+		vaudio.index = 0;
+		printf("ioctl: VIDIOC_ENUMAUDIO\n");
+		while (ioctl(fd, VIDIOC_ENUMAUDIO, &vaudio) >= 0) {
+			if (vaudio.index)
+				printf("\n");
+			printf("\tInput   : %d\n", vaudio.index);
+			printf("\tName    : %s\n", vaudio.name);
+			vaudio.index++;
+		}
+	}
+
+	if (options[OptListAudioOutputs]) {
+		struct v4l2_audioout vaudio;	/* list audio outputs */
+		vaudio.index = 0;
+		printf("ioctl: VIDIOC_ENUMAUDOUT\n");
+		while (ioctl(fd, VIDIOC_ENUMAUDOUT, &vaudio) >= 0) {
+			if (vaudio.index)
+				printf("\n");
+			printf("\tOutput  : %d\n", vaudio.index);
+			printf("\tName    : %s\n", vaudio.name);
+			vaudio.index++;
+		}
+	}
+
+	if (options[OptListStandards]) {
+		printf("ioctl: VIDIOC_ENUMSTD\n");
+		vs.index = 0;
+		while (ioctl(fd, VIDIOC_ENUMSTD, &vs) >= 0) {
+			if (vs.index)
+				printf("\n");
+			printf("\tindex       : %d\n", vs.index);
+			printf("\tID          : 0x%016llX\n", (unsigned long long)vs.id);
+			printf("\tName        : %s\n", vs.name);
+			printf("\tFrame period: %d/%d\n",
+			       vs.frameperiod.numerator,
+			       vs.frameperiod.denominator);
+			printf("\tFrame lines : %d\n", vs.framelines);
+			vs.index++;
+		}
+	}
+
+	if (options[OptGetSlicedVbiCap]) {
+		struct v4l2_sliced_vbi_cap cap;
+
+		if (doioctl(fd, VIDIOC_G_SLICED_VBI_CAP, &cap, "VIDIOC_G_SLICED_VBI_CAP") == 0) {
+			print_sliced_vbi_cap(cap);
+		}
+	}
+
+	if (options[OptGetSlicedVbiOutCap]) {
+		struct v4l2_sliced_vbi_cap cap;
+
+		if (doioctl(fd, VIDIOC_G_SLICED_VBI_CAP, &cap, "VIDIOC_G_SLICED_VBI_CAP") == 0) {
+			print_sliced_vbi_cap(cap);
+		}
+	}
+
+	if (options[OptListCtrlsMenus]) {
+		list_controls(fd, 1);
+	}
+
+	if (options[OptListCtrls]) {
+		list_controls(fd, 0);
+	}
+
+	if (options[OptStreamOn]) {
+		int dummy = 0;
+		doioctl(fd, VIDIOC_STREAMON, &dummy, "VIDIOC_STREAMON");
+	}
+
+	close(fd);
+	exit(0);
+}