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jack-audio-connection-kit-0.101.1-8.src.rpm
epel8
Andy Shevchenko 19 years ago
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jack-audio-connection-kit-0.101.1.tar.gz

63
jack-audio-connection-kit-README.Fedora
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Running JACK server in realtime mode.
The JACK server jackd has the capability to run in a real-time mode
which greatly decreases the chance of audio glitches. The real-time mode
is enabled by passing the -R or --realtime option to jackd when starting
the server. It is only possible to run jackd in real-time mode as a
non-root user by modifying your PAM configuration, PAM stands for
Pluggable Authentication Modules and is the primary authentification
mechanism used on Fedora. The primary source of PAM documentation can be
found at the following at http://www.kernel.org/pub/linux/libs/pam/
The specific PAM configuration file that needs to be modified is
/etc/security/limits.conf and it controls the system resource limits. It
is important to understand that modifying the resource limits
configuration files can decrease the security of your system.
Documentation specific to the resource limits PAM module can be found at
http://www.kernel.org/pub/linux/libs/pam/Linux-PAM-html/pam-6.html#ss6.12
The resource limits that need to be changed to allow jackd to run in
realtime mode are named rtprio and memlock. To increase the limits for a
specific user named fred you would add the following to
/etc/security/limits.conf
fred - rtprio 20
fred - memlock 50000
The value of rtprio can be set in the range 0 - 99 where any value
greater that 0 will allow the user to change the scheduling policy to
"real-time". By default the JACK server requires a minimum rtprio
setting of 20 but jackd will accept a command line parameter -P or
--realtime-priority which will change the minimum required value of
rtprio that is needed, but the default of 20 is nearly always
sufficient.
The appropriate value for memlock is dependent on the amount of memory
present in the system but a minimum value of 50000(50MB) and a maximum
value of half the available memory can be used as a rough guideline.
To verify that the resource limits have been modified you can use the
bash built-in ulimit command, for example:
$ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
max nice (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 8191
max locked memory (kbytes, -l) 50000
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
max rt priority (-r) 20
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 8191
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
file locks (-x) unlimited
Keep in mind that you may have to re-login before changes to limits.conf
take effect.

187
jack-audio-connection-kit.spec
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Summary: The Jack Audio Connection Kit
Name: jack-audio-connection-kit
Version: 0.101.1
Release: 8%{?dist}
License: GPL/LGPL
Group: System Environment/Daemons
Source0: http://dl.sourceforge.net/sourceforge/jackit/%{name}-%{version}.tar.gz
Source1: %{name}-README.Fedora
Patch0: http://lalists.stanford.edu/lad/2006/01/att-0167/jack-clock3.patch
URL: http://jackit.sourceforge.net
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
BuildRequires: alsa-lib-devel
BuildRequires: libsndfile-devel >= 1.0.0
BuildRequires: pkgconfig
BuildRequires: doxygen
BuildRequires: readline-devel, libtermcap-devel, ncurses-devel
%description
JACK is a low-latency audio server, written primarily for the Linux
operating system. It can connect a number of different applications to
an audio device, as well as allowing them to share audio between
themselves. Its clients can run in their own processes (ie. as a
normal application), or can they can run within a JACK server (ie. a
"plugin").
JACK is different from other audio server efforts in that it has been
designed from the ground up to be suitable for professional audio
work. This means that it focuses on two key areas: synchronous
execution of all clients, and low latency operation.
%package devel
Summary: Header files for Jack
Group: Development/Libraries
Requires: %{name} = %{version}
Requires: pkgconfig
%description devel
Header files for the Jack Audio Connection Kit.
%package example-clients
Summary: Example clients that use Jack
Group: Applications/Multimedia
Requires: %{name} = %{version}
%description example-clients
Small example clients that use the Jack Audio Connection Kit.
%prep
%setup -q
%patch0 -p1 -b .clock3
%build
# x86_64 issue reported by Rudolf Kastl (not checked, but not bad).
# Also patch0 touches configure.ac.
autoreconf --force --install
%configure --enable-stripped-jackd \
--with-html-dir=%{_docdir} \
%ifarch i386
--enable-sse=no --enable-mmx=no \
%endif
--disable-oss \
--disable-portaudio \
--enable-optimize \
--with-default-tmpdir=/dev/shm
make %{?_smp_mflags}
%install
rm -rf $RPM_BUILD_ROOT
# can't use the makeinstall macro, jack needs DESTDIR and prefix gets
# added to it and messes up part of the install
make install DESTDIR=$RPM_BUILD_ROOT
# prepare README.Fedora for documentation including
cp -p %{SOURCE1} README.Fedora
# remove extra install of the documentation
rm -fr $RPM_BUILD_ROOT%{_docdir}
# remove *.la files
rm -f $RPM_BUILD_ROOT%{_libdir}/jack/*.la
rm -f $RPM_BUILD_ROOT%{_libdir}/*.la
%clean
rm -rf $RPM_BUILD_ROOT
%post -p /sbin/ldconfig
%postun -p /sbin/ldconfig
%files
%defattr(-,root,root)
%doc AUTHORS TODO COPYING*
%doc README.Fedora
%{_bindir}/jackd
%{_bindir}/jack_load
%{_bindir}/jack_unload
%{_bindir}/jack_bufsize
%{_bindir}/jack_freewheel
%{_bindir}/jack_transport
%{_libdir}/jack/
%{_mandir}/man1/jack*.1*
%{_libdir}/libjack.so.*
%files devel
%defattr(-,root,root)
%doc doc/reference
%{_includedir}/jack/
%{_libdir}/libjack.so
%{_libdir}/pkgconfig/jack.pc
%files example-clients
%defattr(-,root,root)
%{_bindir}/jackrec
%{_bindir}/jack_connect
%{_bindir}/jack_disconnect
%{_bindir}/jack_impulse_grabber
%{_bindir}/jack_lsp
%{_bindir}/jack_metro
%{_bindir}/jack_showtime
%{_bindir}/jack_monitor_client
%{_bindir}/jack_simple_client
%changelog
* Fri May 19 2006 Andy Shevchenko <andriy@asplinux.com.ua> 0.101.1-8
- uniform directories items at %files section
* Wed May 17 2006 Andy Shevchenko <andriy@asplinux.com.ua> 0.101.1-7
- change License tag to GPL/LGPL
- remove --enable-shared (it should be default)
- add a -p flag to the line that copies README.Fedora
* Wed May 10 2006 Andy Shevchenko <andriy@asplinux.com.ua> 0.101.1-6
- apply clock fix for AMD X2 CPUs (please, refer to
http://sourceforge.net/mailarchive/forum.php?thread_id=8085535&forum_id=3040)
* Wed May 03 2006 Andy Shevchenko <andriy@asplinux.com.ua> 0.101.1-5
- adjust spec after reviewing
* Thu Apr 27 2006 Andy Shevchenko <andriy@asplinux.com.ua> 0.101.1-4
- reformatting README.Fedora to 72 symbols width
* Wed Apr 26 2006 Andy Shevchenko <andriy@asplinux.com.ua> 0.101.1-3
- add README.Fedora
- remove useless BRs
* Mon Apr 24 2006 Andy Shevchenko <andriy@asplinux.com.ua> 0.101.1-2
- disable oss and portaudio engines
- use /dev/shm as jack tmpdir
- remove capabilities stuff
* Tue Apr 04 2006 Andy Shevchenko <andriy@asplinux.com.ua> 0.101.1-1
- update to 0.101.1
* Mon Mar 27 2006 Andy Shevchenko <andriy@asplinux.com.ua>
- update to 0.100.7 (#183912)
- adjust BR (add versions)
- replace files between examples and main packages
- own jack tmpdir
* Fri Mar 17 2006 Andy Shevchenko <andriy@asplinux.com.ua>
- no libs subpackage
- From Fernando Lopez-Lezcano <nando@ccrma.stanford.edu>:
- added configuration variable to build with/without capabilities
- added --enable-optimize flag to configure script
- disabled sse/mmx instructions in i386 build
- create temporary directory as /var/lib/jack/tmp
- create and erase tmp directory at install or uninstall
- try to umount the temporary directory before uninstalling the package
* Fri Mar 03 2006 Andy Shevchenko <andriy@asplinux.com.ua>
- fix spec for extras injection
* Fri Nov 18 2005 Andy Shevchenko <andriy@asplinux.ru>
- exclude *.la files
- use dist tag
* Fri Oct 14 2005 Andy Shevchenko <andriy@asplinux.ru>
- 0.100.0
- no optimization
* Tue Sep 28 2004 Andy Shevchenko <andriy@asplinux.ru>
- 0.99.1
* Fri Aug 20 2004 Andy Shevchenko <andriy@asplinux.ru>
- rebuild from Mandrake

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jack-clock3.patch
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diff -ur jack-audio-connection-kit-0.100.7/config/os/generic/time.h jack/config/os/generic/time.h
--- jack-audio-connection-kit-0.100.7/config/os/generic/time.h 2004-04-07 07:52:58.000000000 +0300
+++ jack/config/os/generic/time.h 2005-12-06 12:24:03.000000000 +0200
@@ -1,5 +1,6 @@
/*
Copyright (C) 2001-2004 Paul Davis, Tilman Linneweh
+ Copyright (C) 2005 Jussi Laako
Generic version, overridden by OS-specific definition when needed.
@@ -23,48 +24,24 @@
#define __jack_time_h__
#include <stdio.h>
+#include <sys/time.h>
#include <jack/internal.h>
-#include <sysdeps/cycles.h>
-
-/* This is a kludge. We need one global instantiation of this
- * variable in each address space. So, libjack/client.c declares the
- * actual storage. Other source files will see it as an extern. */
-#define JACK_TIME_GLOBAL_DECL jack_time_t __jack_cpu_mhz
-extern JACK_TIME_GLOBAL_DECL;
static inline jack_time_t
jack_get_microseconds (void) {
- return get_cycles() / __jack_cpu_mhz;
-}
+ jack_time_t jackTime;
+ struct timeval time;
-/* This function is inspired by similar code in MPLayer.
- * It should be quite portable
- */
-static inline jack_time_t
-jack_get_mhz (void)
-{
- jack_time_t tsc_start, tsc_end;
- struct timeval tv_start, tv_end;
- long usec_delay;
- jack_time_t mhz;
-
- tsc_start = get_cycles();
- gettimeofday(&tv_start, NULL);
- usleep(100000);
- tsc_end = get_cycles();
- gettimeofday(&tv_end, NULL);
-
- usec_delay = 1000000 * (tv_end.tv_sec - tv_start.tv_sec)
- + (tv_end.tv_usec - tv_start.tv_usec);
- mhz = (tsc_end - tsc_start) / usec_delay;
- return mhz;
+ gettimeofday(&time, NULL);
+ jackTime = (jack_time_t) time.tv_sec * 1e6 +
+ (jack_time_t) time.tv_usec;
+ return jackTime;
}
/* This should only be called ONCE per process. */
static inline void
jack_init_time ()
{
- __jack_cpu_mhz = jack_get_mhz ();
}
#endif /* __jack_time_h__ */
diff -ur jack-audio-connection-kit-0.100.7/config/os/gnu-linux/time.h jack/config/os/gnu-linux/time.h
--- jack-audio-connection-kit-0.100.7/config/os/gnu-linux/time.h 2004-03-25 21:31:44.000000000 +0200
+++ jack/config/os/gnu-linux/time.h 2005-12-06 16:30:20.000000000 +0200
@@ -1,5 +1,6 @@
/*
Copyright (C) 2001-2003 Paul Davis
+ Copyright (C) 2005 Jussi Laako
This is the GNU/Linux version.
@@ -23,18 +24,35 @@
#define __jack_time_h__
#include <stdio.h>
+#include <time.h>
+#include <sys/time.h>
#include <jack/internal.h>
#include <sysdeps/cycles.h>
-/* This is a kludge. We need one global instantiation of this
- * variable in each address space. So, libjack/client.c declares the
- * actual storage. Other source files will see it as an extern. */
+/* This is a kludge. We need one global instantiation of these
+ * variables in each address space. So, libjack/client.c declares the
+ * actual storage. Other source files will see those as an externs. */
#define JACK_TIME_GLOBAL_DECL jack_time_t __jack_cpu_mhz
+#define JACK_TIME_SOURCE_DECL int __jack_clock_source
+#define JACK_TIME_FUNC_DECL jack_time_t (*jack_get_microseconds) (void)
extern JACK_TIME_GLOBAL_DECL;
+extern JACK_TIME_SOURCE_DECL;
+extern JACK_TIME_FUNC_DECL;
-static inline jack_time_t
-jack_get_microseconds (void) {
- return get_cycles() / __jack_cpu_mhz;
+static jack_time_t
+jack_get_microseconds0 (void) {
+ jack_time_t jackTime;
+ struct timespec time;
+
+ clock_gettime(CLOCK_MONOTONIC, &time);
+ jackTime = (jack_time_t) time.tv_sec * 1e6 +
+ (jack_time_t) time.tv_nsec / 1e3;
+ return jackTime;
+}
+
+static jack_time_t
+jack_get_microseconds1 (void) {
+ return get_cycles() / __jack_cpu_mhz;
}
/*
@@ -94,4 +112,21 @@
__jack_cpu_mhz = jack_get_mhz ();
}
+/* Set time function. */
+static inline void
+jack_set_clock_source (int clocksrc)
+{
+ __jack_clock_source = clocksrc;
+ switch (__jack_clock_source)
+ {
+ case 1:
+ jack_get_microseconds = jack_get_microseconds1;
+ break;
+ case 0:
+ default:
+ jack_get_microseconds = jack_get_microseconds0;
+ break;
+ }
+}
+
#endif /* __jack_time_h__ */
diff -ur jack-audio-connection-kit-0.100.7/configure.ac jack/configure.ac
--- jack-audio-connection-kit-0.100.7/configure.ac 2005-10-30 13:01:31.000000000 +0200
+++ jack/configure.ac 2005-12-06 14:13:09.000000000 +0200
@@ -126,6 +126,7 @@
AC_CHECK_FUNCS(on_exit atexit)
AC_CHECK_FUNCS(posix_memalign)
AC_CHECK_LIB(m, sin)
+AC_CHECK_FUNC(clock_gettime, [], AC_CHECK_LIB(rt, clock_gettime))
# should we use mlockall() on this platform?
if test "x$JACK_DO_NOT_MLOCK" = "x"; then
diff -ur jack-audio-connection-kit-0.100.7/jack/engine.h jack/jack/engine.h
--- jack-audio-connection-kit-0.100.7/jack/engine.h 2004-12-19 20:41:28.000000000 +0200
+++ jack/jack/engine.h 2005-12-06 13:47:39.000000000 +0200
@@ -169,6 +169,8 @@
int jack_get_fifo_fd (jack_engine_t *engine,
unsigned int which_fifo);
+extern int clock_source;
+
extern jack_client_internal_t *
jack_client_internal_by_id (jack_engine_t *engine, jack_client_id_t id);
diff -ur jack-audio-connection-kit-0.100.7/jack/internal.h jack/jack/internal.h
--- jack-audio-connection-kit-0.100.7/jack/internal.h 2005-08-22 23:48:24.000000000 +0300
+++ jack/jack/internal.h 2005-12-06 13:50:48.000000000 +0200
@@ -130,6 +130,7 @@
jack_time_t sync_time_left;
jack_frame_timer_t frame_timer;
int32_t internal;
+ int clock_source;
pid_t engine_pid;
jack_nframes_t buffer_size;
int8_t real_time;
diff -ur jack-audio-connection-kit-0.100.7/jackd/engine.c jack/jackd/engine.c
--- jack-audio-connection-kit-0.100.7/jackd/engine.c 2005-06-15 12:18:40.000000000 +0300
+++ jack/jackd/engine.c 2005-12-06 16:21:50.000000000 +0200
@@ -78,6 +78,8 @@
dlhandle handle;
} jack_driver_info_t;
+int clock_source = 0;
+
static int jack_port_assign_buffer (jack_engine_t *,
jack_port_internal_t *);
static jack_port_internal_t *jack_get_port_by_name (jack_engine_t *,
@@ -1679,6 +1681,13 @@
engine->control->xrun_delayed_usecs = 0;
engine->control->max_delayed_usecs = 0;
+#ifdef JACK_TIME_FUNC_DECL
+ jack_set_clock_source(clock_source);
+#else
+ __jack_clock_source = clock_source;
+#endif
+ engine->control->clock_source = clock_source;
+
engine->control->frame_timer.frames = 0;
engine->control->frame_timer.reset_pending = 0;
engine->control->frame_timer.current_wakeup = 0;
diff -ur jack-audio-connection-kit-0.100.7/jackd/jackd.c jack/jackd/jackd.c
--- jack-audio-connection-kit-0.100.7/jackd/jackd.c 2005-06-15 12:18:40.000000000 +0300
+++ jack/jackd/jackd.c 2005-12-06 13:52:15.000000000 +0200
@@ -368,6 +368,7 @@
" [ --verbose OR -v ]\n"
" [ --silent OR -s ]\n"
" [ --version OR -V ]\n"
+" [ --clock-source OR -c ]\n"
" -d driver [ ... driver args ... ]\n"
" where driver can be `alsa', `coreaudio', `dummy',\n"
" `oss' or `portaudio'\n\n"
@@ -463,7 +464,7 @@
{
jack_driver_desc_t * desc;
- const char *options = "-ad:P:uvshVRTFl:t:mn:p:";
+ const char *options = "-ad:P:uvshVRTFl:t:mn:p:c:";
struct option long_options[] =
{
{ "driver", 1, 0, 'd' },
@@ -479,6 +480,7 @@
{ "temporary", 0, 0, 'T' },
{ "version", 0, 0, 'V' },
{ "silent", 0, 0, 's' },
+ { "clock-source", 1, 0, 'c' },
{ 0, 0, 0, 0 }
};
int opt = 0;
@@ -586,6 +588,10 @@
show_version = 1;
break;
+ case 'c':
+ clock_source = atoi (optarg);
+ break;
+
default:
fprintf (stderr, "unknown option character %c\n",
optopt);
diff -ur jack-audio-connection-kit-0.100.7/libjack/client.c jack/libjack/client.c
--- jack-audio-connection-kit-0.100.7/libjack/client.c 2005-09-11 02:58:43.000000000 +0300
+++ jack/libjack/client.c 2005-12-06 16:21:12.000000000 +0200
@@ -51,6 +51,10 @@
#include <sysdeps/time.h>
JACK_TIME_GLOBAL_DECL; /* One instance per process. */
+JACK_TIME_SOURCE_DECL; /* One instance per process. */
+#ifdef JACK_TIME_FUNC_DECL
+JACK_TIME_FUNC_DECL;
+#endif
#include "local.h"
@@ -959,6 +963,13 @@
client->engine = (jack_control_t *) jack_shm_addr (&client->engine_shm);
+ /* initialize clock source as early as possible */
+#ifdef JACK_TIME_FUNC_DECL
+ jack_set_clock_source(client->engine->clock_source);
+#else
+ __jack_clock_source = client->engine->clock_source;
+#endif
+
/* now attach the client control block */
client->control_shm = res.client_shm;
if (jack_attach_shm (&client->control_shm)) {

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