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-rw-r--r-- | audio/zita-ajbridge/README | 16 | ||||
-rw-r--r-- | audio/zita-ajbridge/setcap.sh | 2 | ||||
-rw-r--r-- | audio/zita-ajbridge/slack-desc | 19 | ||||
-rw-r--r-- | audio/zita-ajbridge/zita-ajbridge.1 | 198 | ||||
-rw-r--r-- | audio/zita-ajbridge/zita-ajbridge.SlackBuild | 82 | ||||
-rw-r--r-- | audio/zita-ajbridge/zita-ajbridge.info | 10 | ||||
-rw-r--r-- | audio/zita-ajbridge/zita-ajbridge.pod | 83 |
7 files changed, 410 insertions, 0 deletions
diff --git a/audio/zita-ajbridge/README b/audio/zita-ajbridge/README new file mode 100644 index 0000000000000..9f2cfe8520cc4 --- /dev/null +++ b/audio/zita-ajbridge/README @@ -0,0 +1,16 @@ +zita-ajbridge (ALSA <=> JACK bridge) + +zita-ajbridge provides two applications, zita-a2j and zita-j2a. They +allow using an ALSA device as a Jack client, to provide additional +capture (a2j) or playback (j2a) channels. Functionally these are +equivalent to the alsa_in and alsa_out clients that come with JACK, +but they provide much better audio quality. The resampling ratio will +typically be stable within 1 PPM and change only very smoothly. Delay +will be stable as well even under worst case conditions, e.g. the JACK +client running near the end of the cycle. + +This package uses POSIX filesystem capabilities to execute with +elevated privileges (required for realtime audio processing). This +may be considered a security/stability risk. Please read +http://www.slackbuilds.org/caps/ for more information. To disable +capabilities, pass SETCAP=no to the script. diff --git a/audio/zita-ajbridge/setcap.sh b/audio/zita-ajbridge/setcap.sh new file mode 100644 index 0000000000000..dd92d655de347 --- /dev/null +++ b/audio/zita-ajbridge/setcap.sh @@ -0,0 +1,2 @@ +[ -x /sbin/setcap ] && /sbin/setcap cap_ipc_lock,cap_sys_nice=ep usr/bin/zita-a2j +[ -x /sbin/setcap ] && /sbin/setcap cap_ipc_lock,cap_sys_nice=ep usr/bin/zita-j2a diff --git a/audio/zita-ajbridge/slack-desc b/audio/zita-ajbridge/slack-desc new file mode 100644 index 0000000000000..1a1a484c6b002 --- /dev/null +++ b/audio/zita-ajbridge/slack-desc @@ -0,0 +1,19 @@ +# HOW TO EDIT THIS FILE: +# The "handy ruler" below makes it easier to edit a package description. +# Line up the first '|' above the ':' following the base package name, and +# the '|' on the right side marks the last column you can put a character in. +# You must make exactly 11 lines for the formatting to be correct. It's also +# customary to leave one space after the ':' except on otherwise blank lines. + + |-----handy-ruler------------------------------------------------------| +zita-ajbridge: zita-ajbridge (ALSA <=> JACK bridge) +zita-ajbridge: +zita-ajbridge: zita-ajbridge provides two applications, zita-a2j and zita-j2a. +zita-ajbridge: They allow using an ALSA device as a Jack client, to provide +zita-ajbridge: additional capture (a2j) or playback (j2a) channels. Functionally +zita-ajbridge: these are equivalent to the alsa_in and alsa_out clients that come +zita-ajbridge: with JACK, but they provide much better audio quality. +zita-ajbridge: +zita-ajbridge: +zita-ajbridge: +zita-ajbridge: diff --git a/audio/zita-ajbridge/zita-ajbridge.1 b/audio/zita-ajbridge/zita-ajbridge.1 new file mode 100644 index 0000000000000..cf8a3383e7ea3 --- /dev/null +++ b/audio/zita-ajbridge/zita-ajbridge.1 @@ -0,0 +1,198 @@ +.\" Automatically generated by Pod::Man 2.27 (Pod::Simple 3.28) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. 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Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +zita\-a2j \- use ALSA capture device as a JACK client, with resampling +.PP +zita\-j2a \- use ALSA playback device as a JACK client, with resampling +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +zita\-a2j \fIoptions\fR +.PP +zita\-j2a \fIoptions\fR +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +zita-ajbridge provides two applications, zita\-a2j and zita\-j2a. They +allow using an \s-1ALSA\s0 device as a Jack client, to provide additional +capture (a2j) or playback (j2a) channels. Functionally these are +equivalent to the alsa_in and alsa_out clients that come with \s-1JACK,\s0 +but they provide much better audio quality. The resampling ratio will +typically be stable within 1 \s-1PPM\s0 and change only very smoothly. Delay +will be stable as well even under worst case conditions, e.g. the \s-1JACK\s0 +client running near the end of the cycle. +.SH "OPTIONS" +.IX Header "OPTIONS" +Options for both executables are the same, except the default \s-1JACK\s0 client name. +.IP "\-h" 4 +.IX Item "-h" +Display this text +.IP "\-j <jackname>" 4 +.IX Item "-j <jackname>" +Name as Jack client [zita\-j2a or zita\-a2j] +.IP "\-d <device>" 4 +.IX Item "-d <device>" +\&\s-1ALSA\s0 playback device [none] +.IP "\-r <rate>" 4 +.IX Item "-r <rate>" +Sample rate [48000] +.IP "\-p <period>" 4 +.IX Item "-p <period>" +Period size [256] +.IP "\-n <nfrags>" 4 +.IX Item "-n <nfrags>" +Number of fragments [2] +.IP "\-c <nchannels>" 4 +.IX Item "-c <nchannels>" +Number of channels [2] +.IP "\-Q <quality>" 4 +.IX Item "-Q <quality>" +Resampling quality [48] +.IP "\-O <latency>" 4 +.IX Item "-O <latency>" +Latency adjustment[0] +.IP "\-L" 4 +.IX Item "-L" +Force 16\-bit and 2 channels [off] +.IP "\-v" 4 +.IX Item "-v" +Print tracing information [off] +.SH "AUTHOR" +.IX Header "AUTHOR" +\&\fBzita-ajbridge\fR is (C) 2006\-2011 Fons Adriaensen <fons@linuxaudio.org> diff --git a/audio/zita-ajbridge/zita-ajbridge.SlackBuild b/audio/zita-ajbridge/zita-ajbridge.SlackBuild new file mode 100644 index 0000000000000..ae5c058b8f3d9 --- /dev/null +++ b/audio/zita-ajbridge/zita-ajbridge.SlackBuild @@ -0,0 +1,82 @@ +#!/bin/sh + +# Slackware build script for zita-ajbridge + +# Written by B. Watson (yalhcru@gmail.com) + +# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details. + +PRGNAM=zita-ajbridge +VERSION=${VERSION:-0.4.0} +BUILD=${BUILD:-1} +TAG=${TAG:-_SBo} + +if [ -z "$ARCH" ]; then + case "$( uname -m )" in + i?86) ARCH=i486 ;; + arm*) ARCH=arm ;; + *) ARCH=$( uname -m ) ;; + esac +fi + +CWD=$(pwd) +TMP=${TMP:-/tmp/SBo} +PKG=$TMP/package-$PRGNAM +OUTPUT=${OUTPUT:-/tmp} + +if [ "$ARCH" = "i486" ]; then + SLKCFLAGS="-O2 -march=i486 -mtune=i686" + LIBDIRSUFFIX="" +elif [ "$ARCH" = "i686" ]; then + SLKCFLAGS="-O2 -march=i686 -mtune=i686" + LIBDIRSUFFIX="" +elif [ "$ARCH" = "x86_64" ]; then + SLKCFLAGS="-O2 -fPIC" + LIBDIRSUFFIX="64" +else + SLKCFLAGS="-O2" + LIBDIRSUFFIX="" +fi + +set -e + +rm -rf $PKG +mkdir -p $TMP $PKG $OUTPUT +cd $TMP +rm -rf $PRGNAM-$VERSION +tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2 +cd $PRGNAM-$VERSION +chown -R root:root . +find -L . \ + \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \ + -o -perm 511 \) -exec chmod 755 {} \; -o \ + \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \ + -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \; + +sed -i "s,-O2,$SLKCFLAGS," source/Makefile +make -C source PREFIX=/usr DESTDIR=$PKG all install +strip $PKG/usr/bin/* + +mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION +cp -a README AUTHORS COPYING $PKG/usr/doc/$PRGNAM-$VERSION +cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild + +# man page written for this SlackBuild (from the -h text and README) +mkdir -p $PKG/usr/man/man1 +gzip -9c < $CWD/$PRGNAM.1 > $PKG/usr/man/man1/$PRGNAM.1.gz +ln -s $PRGNAM.1.gz $PKG/usr/man/man1/zita-j2a.1.gz +ln -s $PRGNAM.1.gz $PKG/usr/man/man1/zita-a2j.1.gz + +mkdir -p $PKG/install +cat $CWD/slack-desc > $PKG/install/slack-desc + +# Only add capability stuff if not disabled: +if [ "${SETCAP:-yes}" = "yes" ]; then + cat $CWD/setcap.sh >> $PKG/install/doinst.sh + # Only allow execution by audio group + chown root:audio $PKG/usr/bin/* + chmod 0750 $PKG/usr/bin/* +fi + +cd $PKG +/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz} diff --git a/audio/zita-ajbridge/zita-ajbridge.info b/audio/zita-ajbridge/zita-ajbridge.info new file mode 100644 index 0000000000000..a525a8a79b8bf --- /dev/null +++ b/audio/zita-ajbridge/zita-ajbridge.info @@ -0,0 +1,10 @@ +PRGNAM="zita-ajbridge" +VERSION="0.4.0" +HOMEPAGE="http://kokkinizita.linuxaudio.org/linuxaudio/zita-ajbridge-doc/quickguide.html" +DOWNLOAD="http://kokkinizita.linuxaudio.org/linuxaudio/downloads/zita-ajbridge-0.4.0.tar.bz2" +MD5SUM="9b834537b26063cc9ea6990cadeef62d" +DOWNLOAD_x86_64="" +MD5SUM_x86_64="" +REQUIRES="jack-audio-connection-kit zita-resampler zita-alsa-pcmi" +MAINTAINER="B. Watson" +EMAIL="yalhcru@gmail.com" diff --git a/audio/zita-ajbridge/zita-ajbridge.pod b/audio/zita-ajbridge/zita-ajbridge.pod new file mode 100644 index 0000000000000..08dc2b9c6d199 --- /dev/null +++ b/audio/zita-ajbridge/zita-ajbridge.pod @@ -0,0 +1,83 @@ +# pod source for zita-ajbridge man page +# pod2man -s1 -r0.4.0 --stderr -nZITA-AJBRIDGE -cSlackBuilds.org < zita-ajbridge.pod > zita-ajbridge.1 + +=pod + +=head1 NAME + +zita-a2j - use ALSA capture device as a JACK client, with resampling + +zita-j2a - use ALSA playback device as a JACK client, with resampling + +=head1 SYNOPSIS + +zita-a2j I<options> + +zita-j2a I<options> + +=head1 DESCRIPTION + +zita-ajbridge provides two applications, zita-a2j and zita-j2a. They +allow using an ALSA device as a Jack client, to provide additional +capture (a2j) or playback (j2a) channels. Functionally these are +equivalent to the alsa_in and alsa_out clients that come with JACK, +but they provide much better audio quality. The resampling ratio will +typically be stable within 1 PPM and change only very smoothly. Delay +will be stable as well even under worst case conditions, e.g. the JACK +client running near the end of the cycle. + +=head1 OPTIONS + +Options for both executables are the same, except the default JACK client name. + +=over + +=item -h + +Display this text + +=item -j <jackname> + +Name as Jack client [zita-j2a or zita-a2j] + +=item -d <device> + +ALSA playback device [none] + +=item -r <rate> + +Sample rate [48000] + +=item -p <period> + +Period size [256] + +=item -n <nfrags> + +Number of fragments [2] + +=item -c <nchannels> + +Number of channels [2] + +=item -Q <quality> + +Resampling quality [48] + +=item -O <latency> + +Latency adjustment[0] + +=item -L + +Force 16-bit and 2 channels [off] + +=item -v + +Print tracing information [off] + +=back + +=head1 AUTHOR + +B<zita-ajbridge> is (C) 2006-2011 Fons Adriaensen <fons@linuxaudio.org> |