linkify

bin/mtag/README.md

@@ -4,3 +4,5 @@ some of these rely on libraries which are not MIT-compatible
 
 * [audio-bpm.py](./audio-bpm.py) detects the BPM of music using the BeatRoot Vamp Plugin; imports GPL2
 * [audio-key.py](./audio-key.py) detects the melodic key of music using the Mixxx fork of keyfinder; imports GPL3
+
+run [`install-deps.sh`](install-deps.sh) to build/install most dependencies required by these programs

bin/mtag/install-deps.sh

@@ -0,0 +1,159 @@
+#!/bin/bash
+set -e
+
+
+# install optional dependencies
+# works on linux, maybe on macos eventually
+#
+# enables the following features:
+#   bpm detection
+#   tempo detection
+#  
+# installs stuff to the following locations:
+#   ~/pe/
+#   whatever your python uses for --user packages
+#
+# does the following terrible things:
+#   modifies the keyfinder python lib to load the .so in ~/pe
+
+
+echo the stuff installed by thsi script is not actually used by copyparty yet so continuing is mostly pointless
+echo press enter if you want to anyways
+read
+
+
+command -v gnutar && tar() { gnutar "$@"; }
+command -v gtar && tar() { gtar "$@"; }
+command -v gsed && sed() { gsed "$@"; }
+
+
+need() {
+	command -v $1 >/dev/null || {
+		echo need $1
+		exit 1
+	}
+}
+need cmake
+#need patchelf
+
+
+td="$(mktemp -d)"
+cln() {
+	rm -rf "$td"
+}
+trap cln EXIT
+cd "$td"
+pwd
+
+
+dl_text() {
+	command -v curl >/dev/null && exec curl "$@"
+	exec wget -O- "$@"
+}
+dl_files() {
+	command -v curl >/dev/null && exec curl -JOL "$@"
+	exec wget --trust-server-names "$@"
+}
+export -f dl_files
+
+
+github_tarball() {
+	dl_text "$1" |
+	tee json |
+	(
+		# prefer jq if available
+		jq -r '.tarball_url' ||
+
+		# fallback to awk (sorry)
+		awk -F\" '/"tarball_url".*\.tar\.gz/ {print$4}'
+	) |
+	tee /dev/stderr |
+	tr -d '\r' | tr '\n' '\0' |
+	xargs -0 bash -c 'dl_files "$@"' _
+}
+
+
+gitlab_tarball() {
+	dl_text "$1" |
+	tee json |
+	(
+		# prefer jq if available
+		jq -r '.[0].assets.sources[]|select(.format|test("tar.gz")).url' ||
+
+		# fallback to abomination
+		tr \" '\n' | grep -E '\.tar\.gz$' | head -n 1
+	) |
+	tee /dev/stderr |
+	tr -d '\r' | tr '\n' '\0' |
+	tee links |
+	xargs -0 bash -c 'dl_files "$@"' _
+}
+
+
+install_keyfinder() {
+	github_tarball https://api.github.com/repos/mixxxdj/libkeyfinder/releases/latest
+
+	tar -xvf mixxxdj-libkeyfinder-*
+	rm -- *.tar.gz
+	cd mixxxdj-libkeyfinder*
+	cmake -DCMAKE_INSTALL_PREFIX=$HOME/pe/keyfinder -S . -B build
+	cmake --build build --parallel $(nproc)
+	cmake --install build
+
+	command -v python3 && c=python3 || c=python
+	
+	CFLAGS=-I$HOME/pe/keyfinder/include \
+	LDFLAGS=-L$HOME/pe/keyfinder/lib \
+	$c -m pip install --user keyfinder
+
+	pypath="$($c -c 'import keyfinder; print(keyfinder.__file__)')"
+	libpath="$(echo "$HOME/pe/keyfinder/lib/libkeyfinder.so")"
+
+	mv "$pypath"{,.bak}
+	(
+		printf 'import ctypes\nctypes.cdll.LoadLibrary("%s")\n' "$libpath"
+		cat "$pypath.bak"
+	) >"$pypath"
+
+	echo
+	echo libkeyfinder successfully installed to the following locations:
+	echo "  $libpath"
+	echo "  $pypath"
+}
+
+
+# not in use because it kinda segfaults
+install_soundtouch() {
+	gitlab_tarball https://gitlab.com/api/v4/projects/soundtouch%2Fsoundtouch/releases
+	
+	tar -xvf soundtouch-*
+	rm -- *.tar.gz
+	cd soundtouch-*
+	
+	# https://github.com/jrising/pysoundtouch
+	./bootstrap
+	./configure --enable-integer-samples CXXFLAGS="-fPIC" --prefix="$HOME/pe/soundtouch"
+	make -j$(nproc)
+	make install
+	
+	command -v python3 && c=python3 || c=python
+	
+	CFLAGS=-I$HOME/pe/soundtouch/include/ \
+	LDFLAGS=-L$HOME/pe/soundtouch/lib \
+	$c -m pip install --user git+https://github.com/snowxmas/pysoundtouch.git
+	
+	pypath="$($c -c 'import importlib; print(importlib.util.find_spec("soundtouch").origin)')"
+	libpath="$(echo "$HOME/pe/soundtouch/lib/")"
+	patchelf --set-rpath "$libpath" "$pypath"
+
+	echo
+	echo soundtouch successfully installed to the following locations:
+	echo "  $libpath"
+	echo "  $pypath"
+}
+
+
+[ "$1" = keyfinder ] && { install_keyfinder; exit $?; }
+[ "$1" = soundtouch ] && { install_soundtouch; exit $?; }
+
+echo need arg 1: keyfinder or soundtouch