doc.txt

# recfsusb2n   for Linux OSes
instructions, usage, FAQ
2017-01-22


# Setup device configuration

Create "video" group (if necessary)
  # groupadd video

Add user to "video" group
  # gpasswd -a foouser video

Create udev rule file
  # nano /etc/udev/rules.d/91-tuner.rules
SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ATTRS{idVendor}=="0511", ATTRS{idProduct}=="0045", MODE="0664", GROUP="video"

If the above rule doesn't work,

BUS=="usb", SYSFS{idVendor}=="0511", SYSFS{idProduct}=="0045", MODE="0664", GROUP="video"


Apply "udev.rules" changes
  # udevadm control --reload
(possibly "--reload-rules")



# usage "recfsusb2n"

recfsusb2n [-v] [--b25] [--tsid n] [--sid n1,n2,...] channel recsec destfile

channel   : (int) 13-62 = UHF ch., 101- = BS/CS ch., 60000- = kHz
          : BSnn_n, CSnn_n (refer to channel.h)
recsec    : (int) record duration (second)   "-", 0, or negative number = non-stop (until SIGTERM, Ctrl + c)
destfile  : TS output file,  "-" = stdout

Options:
  -v	: verbose (init message, signal status)
 --b25	: enable descrambling (STD-B25)
 --tsid	: TS ID (BS/CS)
 --sid	: SID



# Frequently Asked Questions


## Not found "/dev/bus/usb" USBDEVFS directory

In old Linux systems, "/proc/bus/usb" is USBFS directory.
Please change BASE_DIR_UDEV in "src/usbdevfile.c"
See description of CONFIG_USB_DEVICEFS



## How to use libaribb25 (STD-B25 interface library) ?

You can get libaribb25 (linux ver.) from GitHub or anywhere.
Make a shared library file. Put the following files in "/usr/local/*"

/usr/local/lib/
	libaribb25.so
/usr/local/include/aribb25/
	arib_std_b25.h
	b_cas_card.h
	portable.h

When build "recfsusb2n", add the option "B25=1"
  $ make B25=1



## Not found "linux/usb/ch9.h" header file

Find "linux/usb_ch9.h"



#End