audio/alsaequal: Added (10 Band Graphical Equalizer)

Signed-off-by: Robby Workman <rworkman@slackbuilds.org>
This commit is contained in:
David Woodfall 2011-02-06 01:33:42 -06:00 committed by Robby Workman
parent 9ff19b4705
commit 059becca1b
5 changed files with 152 additions and 0 deletions

13
audio/alsaequal/README Normal file
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equal is a real-time adjustable equalizer plugin for ALSA. It can be
adjusted using an ALSA compatible mixer like alsamixergui or alsamixer.
Alsaequal uses the Eq CAPS LADSPA Plugin as it's default equalizer
but you can change it to use almost any LADSPA plugin like mbeq from
the swh-plugin package. Though alsaequal is primarily intended to be
used as an equalizer you should be able to use it to control any
LADSPA plugin. It's similar in functionality to the LADSPA plugin
provided with ALSA but allows for real-time controls as opposed to
static controls defined in the asoundrc file.
See the included asoundrc.example in the docs directory for ways of
setting up alsa.

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#!/bin/sh
# Slackware build script for alsaequal
# Copyright 2010 David Woodfall <dave@dawoodfall.net>
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
PRGNAM=alsaequal
VERSION=${VERSION:-0.6}
BUILD=${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
tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2
cd $PRGNAM
chown -R root:root .
find . \
\( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
-exec chmod 755 {} \; -o \
\( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
-exec chmod 644 {} \;
make CFLAGS="$SLKCFLAGS" Q=
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/alsa-lib
cp -a libasound_module_*_equal.so $PKG/usr/lib${LIBDIRSUFFIX}/alsa-lib
find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
| cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING README $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/asoundrc.example > $PKG/usr/doc/$PRGNAM-$VERSION/asoundrc.example
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}

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PRGNAM="alsaequal"
VERSION="0.6"
HOMEPAGE="http://www.thedigitalmachine.net/alsaequal.html"
DOWNLOAD="http://www.thedigitalmachine.net/tools/alsaequal-0.6.tar.bz2"
MD5SUM="d2edc7710c72cbf3ab297c414e35ebda"
DOWNLOAD_x86_64=""
MD5SUM_x86_64=""
MAINTAINER="David Woodfall"
EMAIL="dave@dawoodfall.net"
APPROVED="rworkman"

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ctl.equal {
type equal;
}
pcm.plugequal {
type equal;
# Modify the line below if you don't
# want to use sound card 0.
slave.pcm "plughw:0,0";
# or if you want to use with multiple applications output to dmix
# slave.pcm "plug:dmix"
}
pcm.equal {
# Or if you want the equalizer to be your
# default soundcard uncomment the following
# line and comment the above line.
#pcm.!default {
type plug;
slave.pcm plugequal;
}

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# 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 ':'.
|-----handy-ruler------------------------------------------------------|
alsaequal: alsaequal (10 Band Graphical Equalizer)
alsaequal:
alsaequal: equal is a real-time adjustable equalizer plugin for ALSA.
alsaequal: It can be adjusted using an ALSA compatible mixer like
alsaequal: alsamixergui or alsamixer.
alsaequal:
alsaequal: See the included asoundrc-example in the docs directory for
alsaequal: ways of setting up alsa.
alsaequal:
alsaequal: Homepage: http://www.thedigitalmachine.net/alsaequal.html
alsaequal: