peter
/
libraw1394
Archived
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
libraw1394 fork
This repository has been archived on 2022-09-20. You can view files and clone it, but cannot push or open issues or pull requests.
206 Commits 1 Branch 14 Tags 728 KiB
C 98.5%
Shell 0.5%
M4 0.5%
Makefile 0.5%
Go to file
Stefan Richter a59532c835 Work without permission to access local node's /dev/fw* 
On 10 Jan, David Moore wrote:
> On Sat, 2009-01-10 at 19:28 +0100, Stefan Richter wrote:
>> @@ -161,14 +160,16 @@ scan_devices(fw_handle_t handle)
...
>> +		for (j = 0; j < i; j++)
>> +			if (ports[j].card == get_info.card)
>> +				continue;
>> +
>
> That continue statement doesn't do what you intended I think.

From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Subject: [PATCH] Work without permission to access local node's /dev/fw*

Fix for juju backend:

libraw1394 required write permission to the character device file of
the local node(s) in order to enumerate cards and for a number of
other operations.  This forced users to either run applications like
dvgrab and kino with elevated privileges, or to configure write
permission for all /dev/fw* or at least for local nodes' /dev/fw*.

We now use the first accessible file which was found for each card
for as many tasks as possible, instead of the local node's file.

This allows distributors or admins to implement stricter access
rights (default off, e.g. only on for AV/C and IIDC devices)
without sacrificing functionality of said class of applications.
Access to the local node is now only required by low-level tools
like gscanbus.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Dan Dennedy <dan@dennedy.org>
 		2009-01-10 16:50:28 -08:00
debian fix make dist without doc 2004-10-31 00:52:28 +00:00
doc libraw1394.sgml, raw1394.h: remove information about deprecated isochronous 2008-04-29 23:09:22 -07:00
src Work without permission to access local node's /dev/fw* 2009-01-10 16:50:28 -08:00
tools testlibraw: test raw1394_read_cycle_timer() 2008-12-07 23:10:17 -08:00
AUTHORS add Pieter Palmers to AUTHORS as contributor 2007-10-14 01:41:30 +00:00
COPYING.LIB Ensure this ends up in distributions. 2000-03-12 04:08:48 +00:00
ChangeLog bump versions, build fixes, and doc updates 2004-10-30 22:49:27 +00:00
INSTALL Reset the libtool age. 2008-07-18 01:08:30 -07:00
Makefile.am Checking /dev/raw1394 and recommendation for creating it for the install make target is no longer relevant because opf firewire and udev. 2008-12-07 23:43:49 -08:00
NEWS NEWS: added release notes 2008-07-18 01:54:38 -07:00
README reorganize and update documentation; fix compiler warning 2004-11-11 03:19:09 +00:00
autogen.sh Ooops...libtool works a bit different than I thought, but atleast it works 2003-07-13 01:27:13 +00:00
configure.ac configure.ac, Makefile.am: drop debian from build and restore doc and tools 2008-07-18 02:13:41 -07:00
libraw1394.pc.in pkgconfig include path should not contain libraw1394 2004-11-20 04:56:36 +00:00
libraw1394.spec.in bump versions, build fixes, and doc updates 2004-10-30 22:49:27 +00:00

README 

				   libraw1394
				   ==========

1. About libraw1394

	libraw1394 is the only supported interface to the kernel side raw1394 of
the Linux IEEE-1394 subsystem, which provides direct access to the connected
1394 buses to user space.  Through libraw1394/raw1394, applications can directly
send to and receive from other nodes without requiring a kernel driver for the
protocol in question.

	The reason for making a library the interface to the kernel is to avoid
a program dependancy on the kernel version, which would hinder development and
optimization of raw1394.  If development changed the protocol and made it
incompatible with previous versions only the libraw1394 has to be upgraded to
match the kernel version (instead of all applications).


2. Copyleft

	libraw1394 itself is licensed under the Lesser General Public License
(short LGPL, see file COPYING.LIB in the source distribution).  Other files in
the source archives not belonging to but being part of the build procedure of
libraw1394 are under their own licenses, as stated at the top of the individual
files.


3. API documentation

	Finally there is something, in the doc subdirectory.  The file is
libraw1394.sgml (it's Docbook format), and there are preformatted PostScript and
HTML available.  This documentation is not complete yet.


4. Multithreading

	This library should be multithreadable with the restriction that one
raw1394handle_t may be used only within a single thread.  Multiple threads
operating on the same handle would royally mess up the kernel-user protocol.
Simply use separate handles for each thread in which you need to use libraw1394.


5. Pkg-config

	The library comes with a pkg-config .pc file, so you can check for
libraw1394 and its version in your configure script.  For example, here is how 
to use the autoconf macro:

PKG_CHECK_MODULES(LIBRAW1394, libraw1394 >= 1.1.0)

	This macro sets the variables LIBRAW1394_CFLAGS and LIBRAW1394_LIBS.  You 
have to include those into your build variables so that the build process 
correctly links with libraw1394.


6. Maintainer

	Maintainer of libraw1394 is currently Dan Dennedy.  Send 
suggestions, bug reports and fixes to linux1394-devel@lists.sourceforge.net.  
See the file AUTHORS for a complete list of contributors to libraw1394.

Visit http://www.linux1394.org/ for more information or to see what is new.