audio/jack2: Added (Jack Sound Server).
Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>
This commit is contained in:
Yanes Checcacci Balod
Erik Hanson
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jackdmp (aka JACK2) is a C++ version of the JACK low-latency audio
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server for multi-processor machines. It is a new implementation
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of the JACK server core features that aims in removing some
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limitations of the JACK1 design. The activation system has been
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changed for a data flow model and lock-free programming techniques
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for graph access have been used to have a more dynamic and
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robust system.
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- jackdmp use a new client activation model that allows simultaneous
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client execution (on a smp machine) when parallel clients exist
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in the graph (client that have the same inputs). This activation model
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allows to better use available CPU on a smp machine, but also works
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on a mono-processor machine.
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- jackdmp use a lock-free way to access (read/write) the client graph,
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thus allowing connections/disconnection to be done without
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interrupting the audio stream. The result is that
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connections/disconnections are glitch-free.
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- jackdmp can work in 2 different modes at the server level :
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- synchronous activation : in a given cycle, the server waits for
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all clients to be finished (similar to normal jackd)
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- asynchronous activation : in a given cycle, the server does not
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wait for all clients to be finished and use output buffer
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computed the previous cycle.
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The audible result of this mode is that if a client is not activated
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during one cycle, other clients may still run and the resulting audio
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stream will still be produced (even if its partial in some way).
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This mode usually result in fewer (less audible) audio glitches in a
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loaded system.
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NOTE: this package conflicts with jack-audio-connection-kit: install
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only one of the two.
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Optional dependencies are celt, libffado and opus.
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#!/bin/sh
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# Slackware build script for jack2
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# Copyright (c) 2014, Yanes Checcacci Balod <yanes@pobox.com>, Brazil
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# All rights reserved.
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#
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# Redistribution and use of this script, with or without modification, is
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# permitted provided that the following conditions are met:
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#
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# 1. Redistributions of this script must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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PRGNAM=jack2
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PRGNAMFILE=jack # for opening file! Don't change it !!!
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VERSION=1.9.9.5
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BUILD=${BUILD:-1}
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TAG=${TAG:-_SBo}
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if [ -z "$ARCH" ]; then
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case "$( uname -m )" in
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i?86) ARCH=i486 ;;
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arm*) ARCH=arm ;;
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*) ARCH=$( uname -m ) ;;
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esac
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fi
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CWD=$(pwd)
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TMP=${TMP:-/tmp/SBo}
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PKG=$TMP/package-$PRGNAM
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OUTPUT=${OUTPUT:-/tmp}
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if [ "$ARCH" = "i486" ]; then
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SLKCFLAGS="-O2 -march=i486 -mtune=i686"
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LIBDIRSUFFIX=""
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elif [ "$ARCH" = "i686" ]; then
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SLKCFLAGS="-O2 -march=i686 -mtune=i686"
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LIBDIRSUFFIX=""
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elif [ "$ARCH" = "x86_64" ]; then
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SLKCFLAGS="-O2 -fPIC"
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LIBDIRSUFFIX="64"
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else
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SLKCFLAGS="-O2"
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LIBDIRSUFFIX=""
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fi
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set -e
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rm -rf $PKG
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mkdir -p $TMP $PKG $OUTPUT
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cd $TMP
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rm -rf $PRGNAMFILE-$VERSION
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tar xvjf $CWD/$PRGNAMFILE-$VERSION.tar.bz2
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cd $PRGNAMFILE-$VERSION
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chown -R root:root .
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find -L . \
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\( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
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-o -perm 511 \) -exec chmod 755 {} \; -o \
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\( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
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-o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
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CFLAGS="$SLKCFLAGS" \
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CXXFLAGS="$SLKCFLAGS" \
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./waf configure \
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--prefix=/usr \
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--libdir=/usr/lib${LIBDIRSUFFIX} \
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--mandir=/usr/man \
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--classic \
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--profile \
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--dbus \
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--alsa
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./waf build
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./waf install --destdir=$PKG
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find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
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| cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
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find $PKG/usr/man -type f -exec gzip -9 {} \;
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for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
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mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
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cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
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mkdir -p $PKG/install
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cat $CWD/slack-desc > $PKG/install/slack-desc
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cd $PKG
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/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
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@ -0,0 +1,10 @@
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PRGNAM="jack2"
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VERSION="1.9.9.5"
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HOMEPAGE="http://jackaudio.org"
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DOWNLOAD="http://jackaudio.org/downloads/jack-1.9.9.5.tar.bz2"
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MD5SUM="6c9de6b89db9d7076fa2ce222816cf4c"
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DOWNLOAD_x86_64=""
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MD5SUM_x86_64=""
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REQUIRES="%README%"
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MAINTAINER="Yanes Checcacci Balod"
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EMAIL="yanes@pobox.com"
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@ -0,0 +1,19 @@
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# HOW TO EDIT THIS FILE:
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# The "handy ruler" below makes it easier to edit a package description.
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# Line up the first '|' above the ':' following the base package name, and
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# the '|' on the right side marks the last column you can put a character in.
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# You must make exactly 11 lines for the formatting to be correct. It's also
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# customary to leave one space after the ':' except on otherwise blank lines.
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|-----handy-ruler------------------------------------------------------|
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jack2: jack2 (Jack Sound Server)
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jack2:
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jack2: JACK is system for handling real-time, low latency audio (and MIDI).
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jack2: It can connect a number of different applications to an audio device,
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jack2: as well as allowing them to share audio between themselves.
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jack2: Its clients can run in their own processes (ie. as normal apps), or
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jack2: run in their own processes (ie. as normal applications), or can run
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jack2: within the JACK server (ie. as a "plugin"). JACK also has support for
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jack2: distributing audio processing across a network, both fast & reliable
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jack2: LANs as well as slower, less reliable WANs.
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jack2:
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