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{ stdenv, fetchurl, pkgconfig, pulseaudio }:
stdenv.mkDerivation rec {
name = "pvolctrl-0.23";
unpackPhase = let
baseurl = "https://sites.google.com/site/guenterbartsch/blog/"
+ "volumecontrolutilityforpulseaudio/";
makefile = fetchurl {
url = baseurl + "Makefile";
sha256 = "0l2ffvb617csk6h29y64v6ywhpcp7la6vvcip1w4nq0yry6jhrqz";
};
source = fetchurl {
url = baseurl + "pvolctrl.c";
sha256 = "0vcd5dlw9l47jpabwmmzdvlkn67fz55dr3sryyh56sl263mibjda";
};
in ''
mkdir -p "${name}"
sed -e 's|/usr/bin/||' "${makefile}" > "${name}/Makefile"
sed -e 's/PA_VOLUME_MAX/PA_VOLUME_NORM/
/avg_vol += (avg_vol \* vol_mod) \/ 100;/ {
s/(avg_vol/((int)PA_VOLUME_NORM/
}
/if (vol_mod)/i \
if (info->name == NULL || strncmp(info->name, "combined", 8) != 0) \
return;' "${source}" > "${name}/pvolctrl.c"
sourceRoot="${name}"
'';
installPhase = ''
install -D -T pvolctrl "$out/bin/pvolctrl"
'';
buildInputs = [ pkgconfig pulseaudio ];
}
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