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nixpkgs/pkgs/development/libraries/SDL2_mixer/default.nix
Sergei Trofimovich f11d1d91cb SDl2_mixer: fix MIDI playback by adding timidity paths
Noticed on fheroes2 package: before the change fheroes2 was not able to
play MIDI samples and complained as:
    PlayMusic:  music parameter was NULL

It happens because default search paths for 'timidity.cfg'
did not include any of nixos's paths in 'timidity/options.h':

    getenv("TIMIDITY_CFG")
    "."
    #define DEFAULT_PATH    "/etc/timidity"
    #define DEFAULT_PATH1   "/usr/share/timidity"
    #define DEFAULT_PATH2   "/usr/local/share/timidity"
    #define DEFAULT_PATH3   "/usr/local/lib/timidity"

As a result even with globally installed timidity MIDI can't be played.
abuse package also has the same problem and works it around by changing
directory to local copy of 'timidity.cfg':

    # The timidity bundled into SDL_mixer looks in . and in several global places
    # like /etc for its configuration file.
    cd @out@/etc
    exec @out@/bin/.abuse-bin "$@"

The change fixes SDL2_mixer by changing "/usr/share/timidity" path
to nix's timidity store path. Tested on fheroes2 with MIDI files.
2021-09-05 14:58:41 +01:00

76 lines
1.5 KiB
Nix

{ lib, stdenv
, fetchurl
, pkg-config
, AudioToolbox
, AudioUnit
, CoreServices
, SDL2
, flac
, fluidsynth
, libmodplug
, libogg
, libvorbis
, mpg123
, opusfile
, smpeg2
, timidity
}:
stdenv.mkDerivation rec {
pname = "SDL2_mixer";
version = "2.0.4";
src = fetchurl {
url = "https://www.libsdl.org/projects/SDL_mixer/release/${pname}-${version}.tar.gz";
sha256 = "0694vsz5bjkcdgfdra6x9fq8vpzrl8m6q96gh58df7065hw5mkxl";
};
nativeBuildInputs = [ pkg-config ];
buildInputs = lib.optionals stdenv.isDarwin [
AudioToolbox
AudioUnit
CoreServices
];
propagatedBuildInputs = [
SDL2
flac
fluidsynth
libmodplug
libogg
libvorbis
mpg123
opusfile
smpeg2
# MIDI patterns
timidity
];
# fix default path to timidity.cfg so MIDI files could be played
postPatch = ''
substituteInPlace timidity/options.h \
--replace "/usr/share/timidity" "${timidity}/share/timidity"
'';
configureFlags = [
"--disable-music-ogg-shared"
"--disable-music-flac-shared"
"--disable-music-mod-modplug-shared"
"--disable-music-mp3-mpg123-shared"
"--disable-music-opus-shared"
"--disable-music-midi-fluidsynth-shared"
] ++ lib.optionals stdenv.isDarwin [
"--disable-sdltest"
"--disable-smpegtest"
];
meta = with lib; {
description = "SDL multi-channel audio mixer library";
platforms = platforms.unix;
homepage = "https://www.libsdl.org/projects/SDL_mixer/";
maintainers = with maintainers; [ MP2E ];
license = licenses.zlib;
};
}