54 files changed, 565 insertions, 31 deletions

diff --git a/v4l2-apps/Makefile b/v4l2-apps/Makefile
index 2bba8fcd4..86b5bc267 100644
--- a/v4l2-apps/Makefile
+++ b/v4l2-apps/Makefile
@@ -5,7 +5,8 @@
 all:: prepare-includes
 
 all clean install::
-	$(MAKE) -C lib $@
+	$(MAKE) -C libv4l $@
+	$(MAKE) -C libv4l2util $@
 	$(MAKE) -C util $@
 	$(MAKE) -C test $@
 
diff --git a/v4l2-apps/lib/COPYING.LIB b/v4l2-apps/libv4l/COPYING.LIB
index 1dd325d2b..1dd325d2b 100644
--- a/v4l2-apps/lib/COPYING.LIB
+++ b/v4l2-apps/libv4l/COPYING.LIB
diff --git a/v4l2-apps/lib/libv4l/ChangeLog b/v4l2-apps/libv4l/ChangeLog
index dd53eced9..dd53eced9 100644
--- a/v4l2-apps/lib/libv4l/ChangeLog
+++ b/v4l2-apps/libv4l/ChangeLog
diff --git a/v4l2-apps/lib/libv4l/Makefile b/v4l2-apps/libv4l/Makefile
index 4c99c3167..4c99c3167 100644
--- a/v4l2-apps/lib/libv4l/Makefile
+++ b/v4l2-apps/libv4l/Makefile
diff --git a/v4l2-apps/lib/libv4l/README b/v4l2-apps/libv4l/README
index 3a2059224..3a2059224 100644
--- a/v4l2-apps/lib/libv4l/README
+++ b/v4l2-apps/libv4l/README
diff --git a/v4l2-apps/lib/libv4l/README.multi-threading b/v4l2-apps/libv4l/README.multi-threading
index 93b393c8c..93b393c8c 100644
--- a/v4l2-apps/lib/libv4l/README.multi-threading
+++ b/v4l2-apps/libv4l/README.multi-threading
diff --git a/v4l2-apps/lib/libv4l/TODO b/v4l2-apps/libv4l/TODO
index f3f9ff527..f3f9ff527 100644
--- a/v4l2-apps/lib/libv4l/TODO
+++ b/v4l2-apps/libv4l/TODO
diff --git a/v4l2-apps/lib/libv4l/include/libv4l1.h b/v4l2-apps/libv4l/include/libv4l1.h
index c878cc198..c878cc198 100644
--- a/v4l2-apps/lib/libv4l/include/libv4l1.h
+++ b/v4l2-apps/libv4l/include/libv4l1.h
diff --git a/v4l2-apps/lib/libv4l/include/libv4l2.h b/v4l2-apps/libv4l/include/libv4l2.h
index b05b57cb6..b05b57cb6 100644
--- a/v4l2-apps/lib/libv4l/include/libv4l2.h
+++ b/v4l2-apps/libv4l/include/libv4l2.h
diff --git a/v4l2-apps/lib/libv4l/include/libv4lconvert.h b/v4l2-apps/libv4l/include/libv4lconvert.h
index 626c43473..626c43473 100644
--- a/v4l2-apps/lib/libv4l/include/libv4lconvert.h
+++ b/v4l2-apps/libv4l/include/libv4lconvert.h
diff --git a/v4l2-apps/lib/libv4l/libv4l1/Makefile b/v4l2-apps/libv4l/libv4l1/Makefile
index 27848477e..27848477e 100644
--- a/v4l2-apps/lib/libv4l/libv4l1/Makefile
+++ b/v4l2-apps/libv4l/libv4l1/Makefile
diff --git a/v4l2-apps/lib/libv4l/libv4l1/libv4l1-priv.h b/v4l2-apps/libv4l/libv4l1/libv4l1-priv.h
index 651599255..651599255 100644
--- a/v4l2-apps/lib/libv4l/libv4l1/libv4l1-priv.h
+++ b/v4l2-apps/libv4l/libv4l1/libv4l1-priv.h
diff --git a/v4l2-apps/lib/libv4l/libv4l1/libv4l1.c b/v4l2-apps/libv4l/libv4l1/libv4l1.c
index 797c8768a..797c8768a 100644
--- a/v4l2-apps/lib/libv4l/libv4l1/libv4l1.c
+++ b/v4l2-apps/libv4l/libv4l1/libv4l1.c
diff --git a/v4l2-apps/lib/libv4l/libv4l1/log.c b/v4l2-apps/libv4l/libv4l1/log.c
index 9ff0cea46..9ff0cea46 100644
--- a/v4l2-apps/lib/libv4l/libv4l1/log.c
+++ b/v4l2-apps/libv4l/libv4l1/log.c
diff --git a/v4l2-apps/lib/libv4l/libv4l1/v4l1compat.c b/v4l2-apps/libv4l/libv4l1/v4l1compat.c
index e4293d2f9..e4293d2f9 100644
--- a/v4l2-apps/lib/libv4l/libv4l1/v4l1compat.c
+++ b/v4l2-apps/libv4l/libv4l1/v4l1compat.c
diff --git a/v4l2-apps/lib/libv4l/libv4l2/Makefile b/v4l2-apps/libv4l/libv4l2/Makefile
index 648d27c0c..648d27c0c 100644
--- a/v4l2-apps/lib/libv4l/libv4l2/Makefile
+++ b/v4l2-apps/libv4l/libv4l2/Makefile
diff --git a/v4l2-apps/lib/libv4l/libv4l2/libv4l2-priv.h b/v4l2-apps/libv4l/libv4l2/libv4l2-priv.h
index 8724832e1..8724832e1 100644
--- a/v4l2-apps/lib/libv4l/libv4l2/libv4l2-priv.h
+++ b/v4l2-apps/libv4l/libv4l2/libv4l2-priv.h
diff --git a/v4l2-apps/lib/libv4l/libv4l2/libv4l2.c b/v4l2-apps/libv4l/libv4l2/libv4l2.c
index b4a10afac..b4a10afac 100644
--- a/v4l2-apps/lib/libv4l/libv4l2/libv4l2.c
+++ b/v4l2-apps/libv4l/libv4l2/libv4l2.c
diff --git a/v4l2-apps/lib/libv4l/libv4l2/log.c b/v4l2-apps/libv4l/libv4l2/log.c
index 6237d55ec..6237d55ec 100644
--- a/v4l2-apps/lib/libv4l/libv4l2/log.c
+++ b/v4l2-apps/libv4l/libv4l2/log.c
diff --git a/v4l2-apps/lib/libv4l/libv4l2/v4l2convert.c b/v4l2-apps/libv4l/libv4l2/v4l2convert.c
index 307a03ce5..307a03ce5 100644
--- a/v4l2-apps/lib/libv4l/libv4l2/v4l2convert.c
+++ b/v4l2-apps/libv4l/libv4l2/v4l2convert.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/Makefile b/v4l2-apps/libv4l/libv4lconvert/Makefile
index 641d19d6e..641d19d6e 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/Makefile
+++ b/v4l2-apps/libv4l/libv4lconvert/Makefile
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/bayer.c b/v4l2-apps/libv4l/libv4lconvert/bayer.c
index ca7bb486f..ca7bb486f 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/bayer.c
+++ b/v4l2-apps/libv4l/libv4lconvert/bayer.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/flip.c b/v4l2-apps/libv4l/libv4lconvert/flip.c
index cd3468a89..cd3468a89 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/flip.c
+++ b/v4l2-apps/libv4l/libv4lconvert/flip.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/jidctflt.c b/v4l2-apps/libv4l/libv4lconvert/jidctflt.c
index 532abc7ea..532abc7ea 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/jidctflt.c
+++ b/v4l2-apps/libv4l/libv4lconvert/jidctflt.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/libv4lconvert-priv.h b/v4l2-apps/libv4l/libv4lconvert/libv4lconvert-priv.h
index 0c4eff6ce..0c4eff6ce 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/libv4lconvert-priv.h
+++ b/v4l2-apps/libv4l/libv4lconvert/libv4lconvert-priv.h
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/libv4lconvert.c b/v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c
index 93bc67c7e..93bc67c7e 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/libv4lconvert.c
+++ b/v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/pac207.c b/v4l2-apps/libv4l/libv4lconvert/pac207.c
index 97ef4ebc0..97ef4ebc0 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/pac207.c
+++ b/v4l2-apps/libv4l/libv4lconvert/pac207.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/rgbyuv.c b/v4l2-apps/libv4l/libv4lconvert/rgbyuv.c
index 0f26b227a..0f26b227a 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/rgbyuv.c
+++ b/v4l2-apps/libv4l/libv4lconvert/rgbyuv.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/sn9c10x.c b/v4l2-apps/libv4l/libv4lconvert/sn9c10x.c
index 4ea526d49..4ea526d49 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/sn9c10x.c
+++ b/v4l2-apps/libv4l/libv4lconvert/sn9c10x.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/spca501.c b/v4l2-apps/libv4l/libv4lconvert/spca501.c
index 9157629e3..9157629e3 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/spca501.c
+++ b/v4l2-apps/libv4l/libv4lconvert/spca501.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/spca561-decompress.c b/v4l2-apps/libv4l/libv4lconvert/spca561-decompress.c
index 01eed4ec5..01eed4ec5 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/spca561-decompress.c
+++ b/v4l2-apps/libv4l/libv4lconvert/spca561-decompress.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/tinyjpeg-internal.h b/v4l2-apps/libv4l/libv4lconvert/tinyjpeg-internal.h
index 26844c28a..26844c28a 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/tinyjpeg-internal.h
+++ b/v4l2-apps/libv4l/libv4lconvert/tinyjpeg-internal.h
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/tinyjpeg.c b/v4l2-apps/libv4l/libv4lconvert/tinyjpeg.c
index fc9efbeb2..fc9efbeb2 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/tinyjpeg.c
+++ b/v4l2-apps/libv4l/libv4lconvert/tinyjpeg.c
diff --git a/v4l2-apps/lib/libv4l/libv4lconvert/tinyjpeg.h b/v4l2-apps/libv4l/libv4lconvert/tinyjpeg.h
index b0096f0de..b0096f0de 100644
--- a/v4l2-apps/lib/libv4l/libv4lconvert/tinyjpeg.h
+++ b/v4l2-apps/libv4l/libv4lconvert/tinyjpeg.h
diff --git a/v4l2-apps/lib/libv4l/COPYING.LIB b/v4l2-apps/libv4l2util/COPYING.LIB
index 1dd325d2b..1dd325d2b 100644
--- a/v4l2-apps/lib/libv4l/COPYING.LIB
+++ b/v4l2-apps/libv4l2util/COPYING.LIB
diff --git a/v4l2-apps/lib/Makefile b/v4l2-apps/libv4l2util/Makefile
index 8443039b4..f3f413071 100644
--- a/v4l2-apps/lib/Makefile
+++ b/v4l2-apps/libv4l2util/Makefile
@@ -2,12 +2,12 @@
 
 CPPFLAGS += -I../include -I..
 
-includes = v4l2.h
+includes = libv4l2util.h
 
 objects  = frequencies.o v4l2_driver.o
 
-sharedlib = libv4l2.so
-staticlib = libv4l2.a
+sharedlib = libv4l2util.so
+staticlib = libv4l2util.a
 
 ifeq ($(prefix),)
 prefix = /usr
diff --git a/v4l2-apps/lib/TODO b/v4l2-apps/libv4l2util/TODO
index 456a916ce..456a916ce 100644
--- a/v4l2-apps/lib/TODO
+++ b/v4l2-apps/libv4l2util/TODO
diff --git a/v4l2-apps/lib/frequencies.c b/v4l2-apps/libv4l2util/frequencies.c
index 64379d2b0..df8d47dba 100644
--- a/v4l2-apps/lib/frequencies.c
+++ b/v4l2-apps/libv4l2util/frequencies.c
@@ -22,7 +22,7 @@
 #include <stdlib.h>
 
 #include <linux/videodev2.h>
-#include "v4l2.h"
+#include "libv4l2util.h"
 
 /* This source was originally written by Nathan Laredo <laredo@gnu.org>.
    He kindly gave permission to release this source under the LGPL
diff --git a/v4l2-apps/lib/v4l2.h b/v4l2-apps/libv4l2util/libv4l2util.h
index 172688853..fde7cdc75 100644
--- a/v4l2-apps/lib/v4l2.h
+++ b/v4l2-apps/libv4l2util/libv4l2util.h
@@ -15,8 +15,8 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#ifndef _V4L2_H_
-#define _V4L2_H_
+#ifndef _V4L2UTIL_H_
+#define _V4L2UTIL_H_
 
 /* --------------------------------------------------------------------- */
 
diff --git a/v4l2-apps/lib/v4l2_driver.c b/v4l2-apps/libv4l2util/v4l2_driver.c
index 94f826968..94f826968 100644
--- a/v4l2-apps/lib/v4l2_driver.c
+++ b/v4l2-apps/libv4l2util/v4l2_driver.c
diff --git a/v4l2-apps/lib/v4l2_driver.h b/v4l2-apps/libv4l2util/v4l2_driver.h
index b5d5dd22d..b5d5dd22d 100644
--- a/v4l2-apps/lib/v4l2_driver.h
+++ b/v4l2-apps/libv4l2util/v4l2_driver.h
diff --git a/v4l2-apps/test/Makefile b/v4l2-apps/test/Makefile
index faafed14d..d118b9210 100644
--- a/v4l2-apps/test/Makefile
+++ b/v4l2-apps/test/Makefile
@@ -9,7 +9,8 @@ binaries = ioctl-test 		\
 	   v4lgrab		\
 	   driver-test		\
 	   pixfmt-test		\
-	   capture_example
+	   stress-buffer	\
+	   capture-example
 
 .PHONY: all clean install
 
@@ -20,10 +21,10 @@ clean::
 
 install:
 
-../lib/libv4l2.a: ../lib/v4l2_driver.c ../lib/frequencies.c
-	make -C ../lib libv4l2.a
+../libv4l2util/libv4l2util.a: ../libv4l2util/v4l2_driver.c ../libv4l2util/frequencies.c
+	make -C ../libv4l2util libv4l2util.a
 
-driver-test: driver-test.o ../lib/libv4l2.a
+driver-test: driver-test.o ../libv4l2util/libv4l2util.a
 
 pixfmt-test: pixfmt-test.o
 	$(CC) $(LDFLAGS) $^ $(LOADLIBES) $(LDLIBS) -o $@ -lX11
diff --git a/v4l2-apps/test/capture_example.c b/v4l2-apps/test/capture-example.c
index 0cd129885..9d5b0d6ce 100644
--- a/v4l2-apps/test/capture_example.c
+++ b/v4l2-apps/test/capture-example.c
@@ -23,17 +23,15 @@
 #include <sys/mman.h>
 #include <sys/ioctl.h>
 
-#include <asm/types.h>          /* for videodev2.h */
-
 #include <linux/videodev2.h>
 
 #define CLEAR(x) memset(&(x), 0, sizeof(x))
 
-typedef enum {
+enum io_method {
 	IO_METHOD_READ,
 	IO_METHOD_MMAP,
 	IO_METHOD_USERPTR,
-} io_method;
+};
 
 struct buffer {
 	void   *start;
@@ -41,7 +39,7 @@ struct buffer {
 };
 
 static char            *dev_name;
-static io_method        io = IO_METHOD_MMAP;
+static enum io_method   io = IO_METHOD_MMAP;
 static int              fd = -1;
 struct buffer          *buffers;
 static unsigned int     n_buffers;
@@ -570,7 +568,7 @@ static void usage(FILE *fp, int argc, char **argv)
 		 "-f | --format        Force format to 640x480 YUYV\n"
 		 "-c | --count         Number of frames to grab [%i]\n"
 		 "",
-		 argv[0],dev_name,frame_count );
+		 argv[0], dev_name, frame_count);
 }
 
 static const char short_options[] = "d:hmruofc:";
diff --git a/v4l2-apps/test/driver-test.c b/v4l2-apps/test/driver-test.c
index e4c16ed54..1f722e198 100644
--- a/v4l2-apps/test/driver-test.c
+++ b/v4l2-apps/test/driver-test.c
@@ -14,7 +14,7 @@
    GNU General Public License for more details.
  */
 
-#include "../lib/v4l2_driver.h"
+#include "../libv4l2util/v4l2_driver.h"
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
diff --git a/v4l2-apps/test/ioctl-test.c b/v4l2-apps/test/ioctl-test.c
index f9ac1cad5..883282106 100644
--- a/v4l2-apps/test/ioctl-test.c
+++ b/v4l2-apps/test/ioctl-test.c
@@ -90,7 +90,6 @@ union v4l_parms {
 	struct v4l2_encoder_cmd p_v4l2_encoder_cmd;
 	struct v4l2_dbg_register p_v4l2_dbg_register;
 	struct v4l2_dbg_chip_ident p_v4l2_dbg_chip_ident;
-	struct v4l2_chip_ident_old p_v4l2_chip_ident_old;
 	struct v4l2_hw_freq_seek p_v4l2_hw_freq_seek;
 };
 
@@ -197,7 +196,6 @@ static const struct {
 	ioc(VIDIOC_DBG_S_REGISTER),	/* struct v4l2_register */
 	ioc(VIDIOC_DBG_G_REGISTER),	/* struct v4l2_register */
 	ioc(VIDIOC_DBG_G_CHIP_IDENT),	/* struct v4l2_dbg_chip_ident */
-	ioc(VIDIOC_G_CHIP_IDENT_OLD),	/* struct v4l2_chip_ident_old */
 	ioc(VIDIOC_S_HW_FREQ_SEEK),	/* struct v4l2_hw_freq_seek */
 #ifdef __OLD_VIDIOC_
 	ioc(VIDIOC_OVERLAY_OLD),	/* int */
diff --git a/v4l2-apps/test/stress-buffer.c b/v4l2-apps/test/stress-buffer.c
new file mode 100644
index 000000000..60410c70c
--- /dev/null
+++ b/v4l2-apps/test/stress-buffer.c
@@ -0,0 +1,140 @@
+/*
+ *  Copyright (C) 2009 Douglas Schilling Landgraf <dougsland@redhat.com>
+ *
+ *  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, version 2 of the License.
+ *
+ *  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.
+ *
+ *  stress-buffer tool makes infinite calls using read() for
+ *  any device specified by the command argument.
+ *
+ *  The size of buffer shall be a random number from 0 up to 1000.
+ *
+ *  Also is automatically created a file called: stats-M-D-Y-h-m-s.txt
+ *  in current directory with data executed.
+ *
+ *  The stress test is performed by several read() calls,
+ *  and it helped to identify real issues like:
+ *
+ *  - memory leaks
+ *  - specific crashs that are rare and hard to reproduce
+ *
+ *  To compile:
+ *             gcc -o stress-buffer stress-buffer.c -Wall
+ *
+ *  To execute:
+ *             ./stress-buffer /dev/device_for_test
+ *
+ *  Example:
+ *             ./stress-buffer /dev/video0
+ */
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <stdlib.h>
+#include <time.h>
+#include <string.h>
+#include <errno.h>
+
+int main(int argc, char **argv)
+{
+	char buffer[1000];
+	char fname[30];
+	int fd, ret, magic_buffer_size, cnt = 0;
+	time_t t1, t2;
+	double dif;
+	time_t current;
+	struct tm *timep;
+
+	FILE *fd_file;
+
+	if (argc != 2) {
+		printf("Usage: %s /dev/device_to_test\n", argv[0]);
+		return -1;
+	}
+
+	current = time(NULL);
+	timep = localtime(&current);
+
+	memset(fname, 0, sizeof(fname));
+
+	snprintf(fname, sizeof(fname), "stats-%.2d-%.2d-%.2d-%.2d-%.2d-%.2d.txt",
+		timep->tm_mon+1, timep->tm_mday, timep->tm_year + 1900,
+		timep->tm_hour,	timep->tm_min, timep->tm_sec);
+
+	fd_file = fopen(fname, "a+");
+	if (!fd_file) {
+		perror("error opening file");
+		return -1;
+	}
+
+	srand(time(NULL));
+
+	while (1) {
+
+		if (time(&t1) < 0) {
+			perror("time_t t1");
+			fclose(fd_file);
+			return -1;
+		}
+
+		fd = open(argv[1], O_RDONLY);
+		if (fd < 0) {
+			perror("error opening device");
+			fclose(fd_file);
+			return -1;
+		}
+
+		/* Random number 0 - 1000 */
+		magic_buffer_size = rand() % sizeof(buffer);
+
+		memset(buffer, 0, sizeof(buffer));
+
+		ret = access(fname, W_OK);
+		if (ret < 0) {
+			close(fd);
+			perror("Error");
+			return -1;
+		}
+
+		ret = read(fd, buffer, magic_buffer_size);
+		if (ret < 0) {
+			fprintf(fd_file, "[%s] error reading buffer - [%s]\n",
+				argv[1], strerror(errno));
+			fflush(fd_file);
+			perror("error reading buffer from device");
+			return -1;
+		}
+
+		if (time(&t2) < 0) {
+			perror("time_t t2");
+			fclose(fd_file);
+			return -1;
+		}
+
+		dif = difftime(t2, t1);
+
+		printf("Seconds: [%d] - Test Number: [%d] - Read [%d] bytes\n",
+			(int)dif, cnt, ret);
+
+		fprintf(fd_file, "Seconds: [%.2f] - Test number: [%d] - Read [%d] bytes\n",
+			dif,  cnt, ret);
+
+		fflush(fd_file);
+
+		cnt++;
+
+		close(fd);
+
+	}
+	return 0;
+}
diff --git a/v4l2-apps/util/Makefile b/v4l2-apps/util/Makefile
index b80de190b..6f9d1071a 100644
--- a/v4l2-apps/util/Makefile
+++ b/v4l2-apps/util/Makefile
@@ -7,7 +7,7 @@ endif
 CPPFLAGS += -I../include -D_GNU_SOURCE
 LDFLAGS += -lm
 
-binaries = v4l2-ctl v4l2-dbg v4l2-compliance ivtv-ctl cx18-ctl
+binaries = v4l2-ctl v4l2-dbg v4l2-compliance ivtv-ctl cx18-ctl v4l2-sysfs-path
 
 ifeq ($(prefix),)
 prefix = /usr
@@ -34,6 +34,14 @@ v4l2-dbg: v4l2-dbg.o v4l2-chipids.o
 
 v4l2-dbg.o: v4l2-dbg.h v4l2-dbg-bttv.h v4l2-dbg-em28xx.h v4l2-dbg-saa7134.h
 
+v4l2-sysfs-path.o: v4l2-sysfs-path.c ../libv4l2util/v4l2_driver.h
+
+v4l2-sysfs-path: v4l2-sysfs-path.o ../libv4l2util/libv4l2util.a
+	$(CC) $^ -o $@ -lsysfs
+
+../libv4l2util/libv4l2util.a:
+	$(MAKE) -C ../libv4l2util libv4l2util.a
+
 install:
 	mkdir -p $(prefix)/bin
 	cp $(binaries) $(prefix)/bin
diff --git a/v4l2-apps/util/parse-sniffusb2.pl b/v4l2-apps/util/parse-sniffusb2.pl
new file mode 100755
index 000000000..34406b0ea
--- /dev/null
+++ b/v4l2-apps/util/parse-sniffusb2.pl
@@ -0,0 +1,84 @@
+#!/usr/bin/perl
+#
+# Author: Franklin Meng <fmeng2002@yahoo.com>
+# Parser for USB snoops captured from SniffUSB 2.0.
+#
+
+use strict;
+use warnings;
+use Data::Dumper;
+
+foreach my $curfile (@ARGV) {
+	parsefile($curfile);
+	#we can only process 1 file
+	exit;
+}
+
+sub parsefile {
+	my $curfile = shift;
+	my $SetupPacket ='';
+	my $preS = '';
+	my $TransferBuffer ='';
+	my $preT = '';
+	my $Direction ='';
+	my $preD = '';
+	my @tmpsplit;
+	my $t=0;
+	my $s=0;
+
+	open(FD, $curfile) || die("Error: $!\n");
+
+	while(<FD>) {
+		chomp;
+		if($t==1 && /^\s+\d{8}/) {
+#			print $_ . "\n";
+			@tmpsplit = split(/\:\s/,$_);
+			$TransferBuffer = $TransferBuffer . $tmpsplit[1] . " ";
+		} elsif($s==1 && /^\s+\d{8}/) {
+#			print $_ . "\n";
+			@tmpsplit = split(/\:\s/,$_);
+			$SetupPacket = $SetupPacket . $tmpsplit[1] ;
+		} else {
+			$t=0;
+			$s=0;
+		}
+		if(/[<>]{3}/){
+			#print out last packet if valid
+			if($SetupPacket) {
+				if($preT) {
+					print "$SetupPacket $preD $preT\n";
+
+				} else {
+					print "$SetupPacket $Direction $TransferBuffer\n";
+				}
+			}
+#			print "$SetupPacket $Direction $TransferBuffer\n";
+			#clear variables
+			$preT = $TransferBuffer;
+			$TransferBuffer = '';
+			$preS = $SetupPacket;
+			$SetupPacket = '';
+			$preD = $Direction;
+			$t = 0;
+			$s = 0;
+			# get direction
+			@tmpsplit = split(/\s+/, $_);
+			$Direction = $tmpsplit[2];
+#			print $_ . "\n";
+		} elsif(/TransferBufferMDL/) {
+			$t = 1
+		} elsif(/SetupPacket/) {
+			$s = 1;
+		}
+	}
+	#print last packet
+#	print "$SetupPacket $Direction $TransferBuffer\n";
+	if($SetupPacket) {
+		if($preT) {
+			print "$SetupPacket $preD $preT\n";
+		} else {
+			print "$SetupPacket $Direction $TransferBuffer\n";
+		}
+	}
+}
+
diff --git a/v4l2-apps/util/qv4l2/ctrl-tab.cpp b/v4l2-apps/util/qv4l2/ctrl-tab.cpp
index c7d1a275c..6f436b494 100644
--- a/v4l2-apps/util/qv4l2/ctrl-tab.cpp
+++ b/v4l2-apps/util/qv4l2/ctrl-tab.cpp
@@ -1,6 +1,6 @@
 
 #include "qv4l2.h"
-#include "v4l2.h"
+#include "libv4l2util.h"
 
 #include <qstatusbar.h>
 #include <qlineedit.h>
diff --git a/v4l2-apps/util/qv4l2/general-tab.cpp b/v4l2-apps/util/qv4l2/general-tab.cpp
index 3b9ad2e5b..78656cf10 100644
--- a/v4l2-apps/util/qv4l2/general-tab.cpp
+++ b/v4l2-apps/util/qv4l2/general-tab.cpp
@@ -20,7 +20,7 @@
 
 #include "qv4l2.h"
 #include "general-tab.h"
-#include "v4l2.h"
+#include "libv4l2util.h"
 
 #include <qlabel.h>
 #include <qspinbox.h>
diff --git a/v4l2-apps/util/qv4l2/qv4l2.cpp b/v4l2-apps/util/qv4l2/qv4l2.cpp
index d144723d9..764fbd172 100644
--- a/v4l2-apps/util/qv4l2/qv4l2.cpp
+++ b/v4l2-apps/util/qv4l2/qv4l2.cpp
@@ -1,7 +1,7 @@
 
 #include "qv4l2.h"
 #include "general-tab.h"
-#include "v4l2.h"
+#include "libv4l2util.h"
 
 #include <qimage.h>
 #include <qpixmap.h>
diff --git a/v4l2-apps/util/qv4l2/qv4l2.pro b/v4l2-apps/util/qv4l2/qv4l2.pro
index 5e0b7555d..96adb7260 100644
--- a/v4l2-apps/util/qv4l2/qv4l2.pro
+++ b/v4l2-apps/util/qv4l2/qv4l2.pro
@@ -3,10 +3,10 @@
 ######################################################################
 
 TEMPLATE = app
-INCLUDEPATH += . ../../include ../../lib
+INCLUDEPATH += . ../../include ../../libv4l2util
 CONFIG += debug
 
 # Input
 HEADERS += qv4l2.h general-tab.h
 SOURCES += qv4l2.cpp general-tab.cpp ctrl-tab.cpp
-LIBS += -lv4l2 -L../../lib
+LIBS += -lv4l2util -L../../libv4l2util
diff --git a/v4l2-apps/util/v4l2-ctl.cpp b/v4l2-apps/util/v4l2-ctl.cpp
index 7d5988571..dec9edd61 100644
--- a/v4l2-apps/util/v4l2-ctl.cpp
+++ b/v4l2-apps/util/v4l2-ctl.cpp
@@ -129,6 +129,8 @@ enum Option {
 	OptGetOverlayCropCap,
 	OptGetOutputOverlayCropCap,
 	OptOverlay,
+	OptGetJpegComp,
+	OptSetJpegComp,
 	OptListDevices,
 	OptLast = 256
 };
@@ -256,6 +258,8 @@ static struct option long_options[] = {
 	{"get-cropcap-output-overlay", no_argument, 0, OptGetOutputOverlayCropCap},
 	{"get-crop-output-overlay", no_argument, 0, OptGetOutputOverlayCrop},
 	{"set-crop-output-overlay", required_argument, 0, OptSetOutputOverlayCrop},
+	{"get-jpeg-comp", no_argument, 0, OptGetJpegComp},
+	{"set-jpeg-comp", required_argument, 0, OptSetJpegComp},
 	{"overlay", required_argument, 0, OptOverlay},
 	{"list-devices", no_argument, 0, OptListDevices},
 	{0, 0, 0, 0}
@@ -380,6 +384,16 @@ static void usage(void)
 	       "                     query the video output overlay crop window [VIDIOC_G_CROP]\n"
 	       "  --set-crop-output-overlay=top=<x>,left=<y>,width=<w>,height=<h>\n"
 	       "                     set the video output overlay crop window [VIDIOC_S_CROP]\n"
+	       "  --get-jpeg-comp    query the JPEG compression [VIDIOC_G_JPEGCOMP]\n"
+	       "  --set-jpeg-comp=quality=<q>,markers=<markers>,comment=<c>,app<n>=<a>\n"
+	       "                     set the JPEG compression [VIDIOC_S_JPEGCOMP]\n"
+	       "                     <n> is the app segment: 0-9 or a-f, <a> is the actual string.\n"
+	       "                     <markers> is a colon separated list of:\n"
+	       "                     dht:      Define Huffman Tables\n"
+	       "                     dqt:      Define Quantization Tables\n"
+	       "                     dri:      Define Restart Interval\n"
+	       "  --set-audio-output=<num>\n"
+	       "                     set the audio output to <num> [VIDIOC_S_AUDOUT]\n"
 	       "  --get-audio-input  query the audio input [VIDIOC_G_AUDIO]\n"
 	       "  --set-audio-input=<num>\n"
 	       "                     set the audio input to <num> [VIDIOC_S_AUDIO]\n"
@@ -576,11 +590,12 @@ static void print_qctrl(int fd, struct v4l2_queryctrl *queryctrl,
 	}
 	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" },
+			{ V4L2_CTRL_FLAG_GRABBED,    "grabbed" },
+			{ V4L2_CTRL_FLAG_READ_ONLY,  "read-only" },
+			{ V4L2_CTRL_FLAG_UPDATE,     "update" },
+			{ V4L2_CTRL_FLAG_INACTIVE,   "inactive" },
+			{ V4L2_CTRL_FLAG_SLIDER,     "slider" },
+			{ V4L2_CTRL_FLAG_WRITE_ONLY, "write-only" },
 			{ 0, NULL }
 		};
 		printf(" flags=%s", flags2s(queryctrl->flags, def).c_str());
@@ -750,6 +765,35 @@ static void printfbuf(const struct v4l2_framebuffer &fb)
 	}
 }
 
+static std::string markers2s(unsigned markers)
+{
+	std::string s;
+
+	if (markers & V4L2_JPEG_MARKER_DHT)
+		s += "\t\tDefine Huffman Tables\n";
+	if (markers & V4L2_JPEG_MARKER_DQT)
+		s += "\t\tDefine Quantization Tables\n";
+	if (markers & V4L2_JPEG_MARKER_DRI)
+		s += "\t\tDefine Restart Interval\n";
+	if (markers & V4L2_JPEG_MARKER_COM)
+		s += "\t\tDefine Comment\n";
+	if (markers & V4L2_JPEG_MARKER_APP)
+		s += "\t\tDefine APP segment\n";
+	return s;
+}
+
+static void printjpegcomp(const struct v4l2_jpegcompression &jc)
+{
+	printf("JPEG compression:\n");
+	printf("\tQuality: %d\n", jc.quality);
+	if (jc.COM_len)
+		printf("\tComment: '%s'\n", jc.COM_data);
+	if (jc.APP_len)
+		printf("\tAPP%x   : '%s'\n", jc.APPn, jc.APP_data);
+	printf("\tMarkers: 0x%08lx\n", jc.jpeg_markers);
+	printf("%s", markers2s(jc.jpeg_markers).c_str());
+}
+
 static void printcrop(const struct v4l2_crop &crop)
 {
 	printf("Crop: Left %d, Top %d, Width %d, Height %d\n",
@@ -1337,6 +1381,7 @@ int main(int argc, char **argv)
 	struct v4l2_rect vcrop_overlay; 	/* crop rect */
 	struct v4l2_rect vcrop_out_overlay; 	/* crop rect */
 	struct v4l2_framebuffer fbuf;   /* fbuf */
+	struct v4l2_jpegcompression jpegcomp; /* jpeg compression */
 	int input;			/* set_input/get_input */
 	int output;			/* set_output/get_output */
 	v4l2_std_id std;		/* get_std/set_std */
@@ -1371,6 +1416,7 @@ int main(int argc, char **argv)
 	memset(&vf, 0, sizeof(vf));
 	memset(&vs, 0, sizeof(vs));
 	memset(&fbuf, 0, sizeof(fbuf));
+	memset(&jpegcomp, 0, sizeof(jpegcomp));
 
 	if (argc == 1) {
 		usage();
@@ -1700,6 +1746,62 @@ int main(int argc, char **argv)
 			}
 			break;
 		}
+		case OptSetJpegComp:
+		{
+			subs = optarg;
+			while (*subs != '\0') {
+				static const char *const subopts[] = {
+					"app0", "app1", "app2", "app3",
+					"app4", "app5", "app6", "app7",
+					"app8", "app9", "appa", "appb",
+					"appc", "appd", "appe", "appf",
+					"quality",
+					"markers",
+					"comment",
+					NULL
+				};
+				int len;
+				int opt = parse_subopt(&subs, subopts, &value);
+
+				switch (opt) {
+				case 16:
+					jpegcomp.quality = strtol(value, 0L, 0);
+					break;
+				case 17:
+					if (strstr(value, "dht"))
+						jpegcomp.jpeg_markers |= V4L2_JPEG_MARKER_DHT;
+					if (strstr(value, "dqt"))
+						jpegcomp.jpeg_markers |= V4L2_JPEG_MARKER_DQT;
+					if (strstr(value, "dri"))
+						jpegcomp.jpeg_markers |= V4L2_JPEG_MARKER_DRI;
+					break;
+				case 18:
+					len = strlen(value);
+					if (len > sizeof(jpegcomp.COM_data) - 1)
+						len = sizeof(jpegcomp.COM_data) - 1;
+					jpegcomp.COM_len = len;
+					memcpy(jpegcomp.COM_data, value, len);
+					jpegcomp.COM_data[len] = '\0';
+					break;
+				default:
+					if (opt < 0 || opt > 15)
+						break;
+					len = strlen(value);
+					if (len > sizeof(jpegcomp.APP_data) - 1)
+						len = sizeof(jpegcomp.APP_data) - 1;
+					if (jpegcomp.APP_len) {
+						fprintf(stderr, "Only one APP segment can be set\n");
+						break;
+					}
+					jpegcomp.APP_len = len;
+					memcpy(jpegcomp.APP_data, value, len);
+					jpegcomp.APP_data[len] = '\0';
+					jpegcomp.APPn = opt;
+					break;
+				}
+			}
+			break;
+		}
 		case OptListDevices:
 			list_devices();
 			break;
@@ -1768,6 +1870,7 @@ int main(int argc, char **argv)
 		options[OptGetFBuf] = 1;
 		options[OptGetCropCap] = 1;
 		options[OptGetOutputCropCap] = 1;
+		options[OptGetJpegComp] = 1;
 		options[OptSilent] = 1;
 	}
 
@@ -1987,6 +2090,10 @@ set_vid_fmt_error:
 		}
 	}
 
+	if (options[OptSetJpegComp]) {
+		doioctl(fd, VIDIOC_S_JPEGCOMP, &jpegcomp, "VIDIOC_S_JPEGCOMP");
+	}
+
 	if (options[OptOverlay]) {
 		doioctl(fd, VIDIOC_OVERLAY, &overlay, "VIDIOC_OVERLAY");
 	}
@@ -2110,6 +2217,12 @@ set_vid_fmt_error:
 			printfbuf(fb);
 	}
 
+	if (options[OptGetJpegComp]) {
+		struct v4l2_jpegcompression jc;
+		if (doioctl(fd, VIDIOC_G_JPEGCOMP, &jc, "VIDIOC_G_JPEGCOMP") == 0)
+			printjpegcomp(jc);
+	}
+
 	if (options[OptGetCropCap]) {
 		struct v4l2_cropcap cropcap;
 
diff --git a/v4l2-apps/util/v4l2-sysfs-path.c b/v4l2-apps/util/v4l2-sysfs-path.c
new file mode 100644
index 000000000..e3f3e63e8
--- /dev/null
+++ b/v4l2-apps/util/v4l2-sysfs-path.c
@@ -0,0 +1,191 @@
+/*
+    Copyright (C) 2009 Mauro Carvalho Chehab <mchehab@redhat.com>
+    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 version 2 of the License.
+
+    The sysfs logic were adapted from a C++/Boost snippet code sent by
+
+    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 "../libv4l2util/v4l2_driver.h"
+#include <sysfs/libsysfs.h>
+#include <errno.h>
+#include <malloc.h>
+#include <stdio.h>
+#include <string.h>
+#include <dirent.h>
+
+#define USB_ID "usb-"
+#define PCI_ID "PCI:"
+#define PCIe_ID "PCIe:"
+
+char *obtain_bus_sysfs_path(char *bus_info)
+{
+	struct sysfs_device *pcictl = NULL;
+	struct sysfs_bus *bus = NULL;
+	struct sysfs_device *busdev = NULL;
+	struct dlist *busdevs = NULL;
+	struct sysfs_device *pdev = NULL;
+	char *tmp = NULL, *busname, *buspath;
+	int pci;
+
+	if (!strncmp(bus_info, USB_ID, strlen(USB_ID))) {
+		bus_info += strlen(USB_ID);
+		pci = 0;
+	} else 	if (!strncmp(bus_info, PCI_ID, strlen(PCI_ID))) {
+		bus_info += strlen(PCI_ID);
+		pci = 1;
+	} else 	if (!strncmp(bus_info, PCIe_ID, strlen(PCIe_ID))) {
+		bus_info += strlen(PCIe_ID);
+		pci = 1;
+	} else
+		return NULL;
+
+	busname = strtok(bus_info, "-");
+	if (!busname)
+		return NULL;
+
+	buspath = strtok(NULL, "-");
+	if (!buspath && !pci)
+		return NULL;
+
+	/* open bus host controller */
+	pcictl = sysfs_open_device("pci", busname);
+	if (!pcictl)
+		goto err;
+
+	/* We have all we need for PCI devices */
+	if (pci) {
+		char *name;
+
+		asprintf(&name, "%s", pcictl->path);
+		return name;
+	}
+
+	/* find matching usb bus */
+	bus = sysfs_open_bus("usb");
+	if (!bus)
+		goto err;
+
+	busdevs = sysfs_get_bus_devices(bus);
+	if (!busdevs)
+		goto err;
+
+	dlist_for_each_data(busdevs, busdev, struct sysfs_device) {
+		/* compare pathes of bus host controller and
+		   parent of enumerated bus devices */
+
+		pdev = sysfs_get_device_parent(busdev);
+		if (!pdev)
+			continue;
+
+		if (!strcmp(pcictl->path, pdev->path))
+			break;
+	}
+
+	if (!pdev)
+		goto err;
+
+	sysfs_close_device(pcictl);
+	pcictl = NULL;
+
+	/* assemble bus device path */
+	if (busdev) {
+		struct sysfs_attribute *busnumattr;
+		unsigned int busnum;
+		char *name;
+
+		busnumattr = sysfs_get_device_attr(busdev, "busnum");
+		if (!busnumattr)
+			goto err;
+
+		tmp = malloc(busnumattr->len + 1);
+		strncpy(tmp, busnumattr->value, busnumattr->len);
+		tmp[busnumattr->len] = '\0';
+
+		if (sscanf(tmp, "%u", &busnum) != 1)
+			goto err;
+
+		asprintf(&name, "%s/%d-%s", busdev->path,
+			 busnum, buspath);
+
+		free(tmp);
+		sysfs_close_bus(bus);
+
+		return name;
+	}
+
+err:
+	if (tmp)
+		free(tmp);
+	if (bus)
+		sysfs_close_bus(bus);
+	if (pcictl)
+		sysfs_close_device(pcictl);
+
+	return NULL;
+}
+
+void get_sysfs(char *fname)
+{
+	struct v4l2_driver drv;
+	char *path;
+	if (v4l2_open(fname, 0, &drv) < 0) {
+		perror(fname);
+		return;
+	}
+
+	printf("device     = %s\n", fname);
+	printf("bus info   = %s\n", drv.cap.bus_info);
+	path = obtain_bus_sysfs_path((char *)drv.cap.bus_info);
+	if (path) {
+		printf("sysfs path = %s\n\n", path);
+		free(path);
+	}
+
+	v4l2_close(&drv);
+}
+
+void read_dir(char *dirname)
+{
+	DIR             *dir;
+	struct dirent   *entry;
+	const char      *vid = "video";
+	const char      *rad = "radio";
+	char		*p, name[512];
+
+	dir = opendir(dirname);
+	if (!dir)
+		return;
+
+	strcpy(name, dirname);
+	strcat(name, "/");
+	p = name + strlen(name);
+
+	entry = readdir(dir);
+	while (entry) {
+		if (!strncmp(entry->d_name, vid, strlen(vid)) ||
+		    !strncmp(entry->d_name, rad, strlen(rad))) {
+			strcpy(p, entry->d_name);
+
+			get_sysfs(name);
+		}
+		entry = readdir(dir);
+	}
+	closedir(dir);
+}
+
+int main(void)
+{
+	read_dir("/dev");
+	return 0;
+}