Merge branch 'feature/reorganization-test' into develop

.editorconfig

@@ -4,11 +4,15 @@
 # Top-most EditorConfig file
 root = true
 
-# No trailing whitespaces, but with a newline ending every file,
-# UTF-8 charset, set indent to spaces with width of four
+# UTF-8 charset, set indent to spaces with width of four,
+# with no trailing whitespaces and a newline ending every file.
 [*]
+charset = utf-8
+indent_size = 4
+indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
-charset = utf-8
+
+[*.{ttl,ttl.in}]
+indent_size = 2
 indent_style = space
-indent_size = 4

.gitignore

@@ -1,9 +1,4 @@
-build
-build-arm
-build-asan
-build-release
-build-reldeb
-build-debug
+build*
 docs
 .vscode
 perf.data
@@ -16,6 +11,7 @@ cmake_install.cmake
 compile_commands.json
 *.a
 *.txt.user
+*.autosave
 
 .DS_Store
 
@@ -23,11 +19,9 @@ clients/sfizz_jack
 clients/sfzprint
 
 # gh-pages unstaged files:
-
 _site/
 .bundle/
 api/
 assets/
 node_modules/
-Gemfile.lock
-yarn.lock
+*.lock

CMakeLists.txt

@@ -1,105 +1,63 @@
 cmake_minimum_required(VERSION 3.13)
-project(sfizz VERSION 1.0.0 LANGUAGES CXX)
+project (sfizz VERSION 1.0.0 LANGUAGES CXX)
 
-# Do not override if set to more than 14
-if (NOT CMAKE_CXX_STANDARD OR CMAKE_CXX_STANDARD LESS 14)
-    set(CMAKE_CXX_STANDARD 14)
+# External configuration CMake scripts
+set (CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+include (SfizzConfig)
+
+# Build Options
+set (BUILD_TESTING OFF CACHE BOOL "Disable Abseil's tests [default: OFF]")
+
+set (LV2PLUGIN_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib/lv2" CACHE STRING
+    "Install destination for LV2 bundle [default: ${CMAKE_INSTALL_PREFIX}/lib/lv2]")
+
+option (ENABLE_LTO       "Enable Link Time Optimization [default: ON]" ON)
+option (SFIZZ_JACK       "Enable JACK stand-alone build [default: ON]" ON)
+option (SFIZZ_LV2        "Enable LV2 plug-in build [default: ON]" ON)
+option (SFIZZ_BENCHMARKS "Enable benchmarks build [default: OFF]" OFF)
+option (SFIZZ_TESTS      "Enable tests build [default: OFF]" OFF)
+option (SFIZZ_SHARED     "Enable shared library build [default: ON]" ON)
+
+# Don't use IPO in non Release builds
+include (CheckIPO)
+
+# Add Abseil
+add_subdirectory (external/abseil-cpp EXCLUDE_FROM_ALL)
+
+# Add the static library targets and sources
+add_subdirectory (src)
+
+# Optional targets
+if (SFIZZ_JACK)
+    add_subdirectory (clients)
 endif()
 
-# Skip installing all dependencies
-set(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY true)
-
-# Enable LTO
-set(CMAKE_POLICY_DEFAULT_CMP0069 NEW) # To override the policy in abseil and benchmark
-set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
-
-# Enable PIC
-# set(POSITION_INDEPENDENT_CODE ON)
-
-if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND NOT ANDROID)
-    set(USE_LIBCPP ON CACHE BOOL "Use libc++ with clang")
-    add_compile_options(-stdlib=libc++)
-    # Presumably need the above for linking too, maybe other options missing as well
-    add_link_options(-stdlib=libc++)   # New command on CMake master, not in 3.12 release
-    add_link_options(-lc++abi)   # New command on CMake master, not in 3.12 release
-endif()
-
-if (UNIX)
-    add_compile_options(-fPIC)
-    add_compile_options(-Wall)
-    add_compile_options(-Wextra)
-    add_compile_options(-ffast-math)
-    add_compile_options(-fno-omit-frame-pointer)
-endif()
-
-if (WIN32)
-    # TODO: Remove when abseil updates (deprecation warning from c++17 onwards)
-    add_compile_options(/wd4996)
-    # add_compile_options(/W3)
-    # add_compile_options(/GR-)
-    # add_compile_options(/permissive-)
-    # add_compile_options(/fp:fast)
-endif()
-
-message("Cmake flags: ${CMAKE_CXX_FLAGS}")
-
-# Export the compile_commands.json file
-set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-
-# find_package(Git QUIET)
-# if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
-# Update submodules as needed
-#     option(GIT_SUBMODULE "Check submodules during build" ON)
- #    if(GIT_SUBMODULE)
- #        message(STATUS "Submodule update")
- #        execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive --remote 
- #                        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
- #                        RESULT_VARIABLE GIT_SUBMOD_RESULT)
- #        if(NOT GIT_SUBMOD_RESULT EQUAL "0")
-#             message(FATAL_ERROR "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
-#         endif()
-#     endif()
-# endif()
-
-# Build options and includes
-set(BUILD_TESTING OFF CACHE BOOL "Disable Abseil's tests")
-add_subdirectory(external/abseil-cpp EXCLUDE_FROM_ALL)
-
-# Download libsndfile
-if (WIN32)
-    # file(DOWNLOAD https://github.com/bastibe/libsndfile-binaries/raw/master/libsndfile32bit.dll external/libsndfile-win/libsndfile32bit.dll)
-    # file(DOWNLOAD https://github.com/bastibe/libsndfile-binaries/raw/master/libsndfile64bit.dll external/libsndfile-win/libsndfile64bit.dll)
-    # message(STATUS "Downloading libsndfile")
-    # # find_library(sndfile libsndfile-1.lib HINTS ${WIN_SNDFILE_PATH}/lib)
-    set(WIN_SNDFILE_PATH "C:/Program Files/Mega-Nerd/libsndfile")
-    add_library(sndfile STATIC IMPORTED)
-    set_target_properties(sndfile PROPERTIES IMPORTED_LOCATION "${WIN_SNDFILE_PATH}/lib/libsndfile-1.lib")
-    set_target_properties(sndfile PROPERTIES LINKER_LANGUAGE CXX)
-    file(COPY "${WIN_SNDFILE_PATH}/bin/libsndfile-1.dll" DESTINATION ${CMAKE_BINARY_DIR})
-    target_include_directories(sndfile INTERFACE "${WIN_SNDFILE_PATH}/include")
-elseif(APPLE)
-    find_path(SNDFILE_INCLUDE_DIR NAMES sndfile.hh PATHS "/usr/local/include")
-    find_library(SNDFILE_LIBRARY  NAMES sndfile    PATHS "/usr/local/lib")
-    message(STATUS "include dir: " ${SNDFILE_INCLUDE_DIR} " lib: " ${SNDFILE_LIBRARY})
-    add_library(sndfile SHARED IMPORTED GLOBAL)
-    target_include_directories(sndfile INTERFACE ${SNDFILE_INCLUDE_DIR})
-    target_link_libraries(sndfile INTERFACE ${SNDFILE_LIBRARY})
-endif()
-
-add_subdirectory(sfizz)
-
-if (SFIZZ_CLIENTS)
-add_subdirectory(clients)
-endif()
-
-if (SFIZZ_TESTS)
-add_subdirectory(tests)
+if (SFIZZ_LV2)
+    add_subdirectory (lv2)
 endif()
 
 if (SFIZZ_BENCHMARKS)
-# Benchmarks
-set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "Disable Google Benchmark tests")
-set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "Disable Google Benchmark install")
-add_subdirectory(external/benchmark EXCLUDE_FROM_ALL)
-add_subdirectory(benchmarks)
+    add_subdirectory (benchmarks)
 endif()
+
+if (SFIZZ_TESTS)
+    add_subdirectory (tests)
+endif()
+
+message (STATUS "
+Project name:                  ${CMAKE_PROJECT_NAME}
+Build type:                    ${CMAKE_BUILD_TYPE}
+Build using LTO:               ${ENABLE_LTO}
+Build as shared library:       ${SFIZZ_SHARED}
+Build JACK stand-alone client: ${SFIZZ_JACK}
+Build LV2 plug-in:             ${SFIZZ_LV2}
+Build benchmarks:              ${SFIZZ_BENCHMARKS}
+Build tests:                   ${SFIZZ_TESTS}
+
+Install prefix:                ${CMAKE_INSTALL_PREFIX}
+LV2 destination directory:     ${LV2PLUGIN_INSTALL_DIR}
+
+Compiler CXX debug flags:      ${CMAKE_CXX_FLAGS_DEBUG}
+Compiler CXX release flags:    ${CMAKE_CXX_FLAGS_RELEASE}
+Compiler CXX min size flags:   ${CMAKE_CXX_FLAGS_MINSIZEREL}
+")

benchmarks/BM_ADSR.cpp

@@ -22,7 +22,7 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <benchmark/benchmark.h>
-#include "../sfizz/ADSREnvelope.h"
+#include "ADSREnvelope.h"
 #include <algorithm>
 #include <random>
 #include <numeric>
@@ -35,7 +35,7 @@ constexpr int release = attack;
 constexpr int releaseTime = envelopeSize - static_cast<int>(envelopeSize / 4);
 
 // Explicitely instantiate class
-#include "../sfizz/ADSREnvelope.cpp"
+#include "ADSREnvelope.cpp"
 template class sfz::ADSREnvelope<float>;
 
 static void Point(benchmark::State& state) {

benchmarks/BM_add.cpp

@@ -27,7 +27,7 @@
 #include <vector>
 #include <cmath>
 #include <iostream>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 
 class AddArray : public benchmark::Fixture {
 public:

benchmarks/BM_copy.cpp

@@ -27,7 +27,7 @@
 #include <vector>
 #include <cmath>
 #include <iostream>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 
 class CopyArray : public benchmark::Fixture {
 public:

benchmarks/BM_cumsum.cpp

@@ -27,7 +27,7 @@
 #include <vector>
 #include <cmath>
 #include <iostream>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 
 class CumArray : public benchmark::Fixture {
 public:

benchmarks/BM_diff.cpp

@@ -27,7 +27,7 @@
 #include <vector>
 #include <cmath>
 #include <iostream>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 #include "absl/types/span.h"
 
 class DiffArray : public benchmark::Fixture {

benchmarks/BM_fill.cpp

@@ -22,8 +22,8 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <benchmark/benchmark.h>
-#include "../sfizz/SIMDHelpers.h"
-#include "../sfizz/Buffer.h"
+#include "SIMDHelpers.h"
+#include "Buffer.h"
 #include <algorithm>
 #include <random>
 #include <numeric>

benchmarks/BM_gain.cpp

@@ -27,7 +27,7 @@
 #include <vector>
 #include <cmath>
 #include <iostream>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 
 class GainSingle : public benchmark::Fixture {
 public:

benchmarks/BM_interpolationCast.cpp

@@ -26,7 +26,7 @@
 #include <random>
 #include <numeric>
 #include <absl/algorithm/container.h>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 
 // In this one we have an array of jumps
 

benchmarks/BM_looping.cpp

@@ -26,7 +26,7 @@
 #include <random>
 #include <numeric>
 #include <absl/algorithm/container.h>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 
 // In this one we have an array of indices
 

benchmarks/BM_mathfuns.cpp

@@ -21,7 +21,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 #include "absl/types/span.h"
 #include <benchmark/benchmark.h>
 #include <cmath>

benchmarks/BM_mean.cpp

@@ -21,7 +21,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 #include <benchmark/benchmark.h>
 #include <cmath>
 #include <iostream>

benchmarks/BM_meanSquared.cpp

@@ -21,7 +21,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 #include <benchmark/benchmark.h>
 #include <cmath>
 #include <iostream>

benchmarks/BM_multiplyAdd.cpp

@@ -27,7 +27,7 @@
 #include <vector>
 #include <cmath>
 #include <iostream>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 
 class MultiplyAdd : public benchmark::Fixture {
 public:

benchmarks/BM_pan.cpp

@@ -27,8 +27,8 @@
 #include <vector>
 #include <cmath>
 #include <iostream>
-#include "../sfizz/SIMDHelpers.h"
-#include "../sfizz/Config.h"
+#include "SIMDHelpers.h"
+#include "Config.h"
 #include "absl/types/span.h"
 
 class PanArray : public benchmark::Fixture {

benchmarks/BM_pointerIterationOrOffsets.cpp

@@ -24,7 +24,7 @@
 #include <benchmark/benchmark.h>
 #include <random>
 #include <absl/algorithm/container.h>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 #include "absl/types/span.h"
 
 constexpr int bigNumber { 2399132 };

benchmarks/BM_ramp.cpp

@@ -23,8 +23,8 @@
 
 #include <benchmark/benchmark.h>
 #include <random>
-#include "../sfizz/SIMDHelpers.h"
-#include "../sfizz/Buffer.h"
+#include "SIMDHelpers.h"
+#include "Buffer.h"
 
 
 static void Dummy(benchmark::State& state) {

benchmarks/BM_readInterleaved.cpp

@@ -22,8 +22,8 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <benchmark/benchmark.h>
-#include "../sfizz/SIMDHelpers.h"
-#include "../sfizz/Buffer.h"
+#include "SIMDHelpers.h"
+#include "Buffer.h"
 #include <algorithm>
 #include <numeric>
 #include <absl/types/span.h>

benchmarks/BM_saturating.cpp

@@ -26,7 +26,7 @@
 #include <random>
 #include <numeric>
 #include <absl/algorithm/container.h>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 
 // In this one we have an array of indices
 

benchmarks/BM_subtract.cpp

@@ -27,7 +27,7 @@
 #include <vector>
 #include <cmath>
 #include <iostream>
-#include "../sfizz/SIMDHelpers.h"
+#include "SIMDHelpers.h"
 
 class SubArray : public benchmark::Fixture {
 public:

benchmarks/BM_writeInterleaved.cpp

@@ -22,8 +22,8 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <benchmark/benchmark.h>
-#include "../sfizz/SIMDHelpers.h"
-#include "../sfizz/Buffer.h"
+#include "SIMDHelpers.h"
+#include "Buffer.h"
 #include <algorithm>
 #include <numeric>
 #include <absl/types/span.h>

benchmarks/CMakeLists.txt

@@ -1,5 +1,21 @@
 project(sfizz)
 
+set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "Disable Google Benchmark tests")
+set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "Disable Google Benchmark install")
+
+include(FetchContent)
+FetchContent_Declare(
+  benchmark
+  GIT_REPOSITORY https://github.com/google/benchmark.git
+  GIT_TAG        v1.5.0
+)
+
+FetchContent_GetProperties(benchmark)
+if(NOT benchmark_POPULATED)
+  FetchContent_Populate(benchmark)
+  add_subdirectory(${benchmark_SOURCE_DIR} ${benchmark_BINARY_DIR})
+endif()
+
 # Check SIMD
 include(CheckIncludeFiles)
 CHECK_INCLUDE_FILES(x86intrin.h HAVE_X86INTRIN_H)
@@ -9,83 +25,104 @@ CHECK_INCLUDE_FILES(arm_neon.h HAVE_ARM_NEON_H)
 # SIMD checks
 if (HAVE_X86INTRIN_H AND UNIX)
     add_compile_options(-DHAVE_X86INTRIN_H)
-    set(SFIZZ_SIMD_SOURCES ../sfizz/SIMDSSE.cpp)
+    set(SFIZZ_SIMD_SOURCES ../src/sfizz/SIMDSSE.cpp)
 elseif (HAVE_INTRIN_H AND WIN32)
     add_compile_options(/DHAVE_INTRIN_H)
-    set(SFIZZ_SIMD_SOURCES ../sfizz/SIMDSSE.cpp)
+    set(SFIZZ_SIMD_SOURCES ../src/sfizz/SIMDSSE.cpp)
 elseif (HAVE_ARM_NEON_H AND UNIX)
     add_compile_options(-DHAVE_ARM_NEON_H)
     add_compile_options(-mfpu=neon-fp-armv8)
     add_compile_options(-march=native)
     add_compile_options(-mtune=cortex-a53)
     add_compile_options(-funsafe-math-optimizations)
-    set(SFIZZ_SIMD_SOURCES ../sfizz/SIMDNEON.cpp)
+    set(SFIZZ_SIMD_SOURCES ../src/sfizz/SIMDDummy.cpp)
 else()
-    set(SFIZZ_SIMD_SOURCES ../sfizz/SIMDDummy.cpp)
+    set(SFIZZ_SIMD_SOURCES ../src/sfizz/SIMDDummy.cpp)
 endif()
 
 add_executable(bm_opf_high_vs_low BM_OPF_high_vs_low.cpp)
 target_link_libraries(bm_opf_high_vs_low benchmark absl::span)
+target_include_directories(bm_opf_high_vs_low PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_write BM_writeInterleaved.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_write benchmark absl::span)
+target_include_directories(bm_write PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_read BM_readInterleaved.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_read benchmark absl::span)
+target_include_directories(bm_read PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_fill BM_fill.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_fill benchmark absl::span)
+target_include_directories(bm_fill PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_mathfuns BM_mathfuns.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_mathfuns benchmark absl::span)
+target_include_directories(bm_mathfuns PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_gain BM_gain.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_gain benchmark absl::span)
+target_include_directories(bm_gain PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_looping BM_looping.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_looping benchmark absl::span absl::algorithm)
+target_include_directories(bm_looping PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_saturating BM_saturating.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_saturating benchmark absl::span absl::algorithm)
+target_include_directories(bm_saturating PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_ramp BM_ramp.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_ramp benchmark absl::span absl::algorithm)
+target_include_directories(bm_ramp PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_ADSR BM_ADSR.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_ADSR benchmark absl::span absl::algorithm)
+target_include_directories(bm_ADSR PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_add BM_add.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_add benchmark absl::span absl::algorithm)
+target_include_directories(bm_add PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_multiplyAdd BM_multiplyAdd.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_multiplyAdd benchmark absl::span absl::algorithm)
+target_include_directories(bm_multiplyAdd PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_subtract BM_subtract.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_subtract benchmark absl::span absl::algorithm)
+target_include_directories(bm_subtract PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_copy BM_copy.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_copy benchmark absl::span absl::algorithm)
+target_include_directories(bm_copy PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_pan BM_pan.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_pan benchmark absl::span absl::algorithm)
+target_include_directories(bm_pan PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_mean BM_mean.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_mean benchmark absl::span absl::algorithm)
+target_include_directories(bm_mean PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_meanSquared BM_meanSquared.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_meanSquared benchmark absl::span absl::algorithm)
+target_include_directories(bm_meanSquared PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_cumsum BM_cumsum.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_cumsum benchmark absl::span absl::algorithm)
+target_include_directories(bm_cumsum PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_diff BM_diff.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_diff benchmark absl::span absl::algorithm)
+target_include_directories(bm_diff PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_interpolationCast BM_interpolationCast.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_interpolationCast benchmark absl::span absl::algorithm)
+target_include_directories(bm_interpolationCast PRIVATE ../src/sfizz ../src/external)
 
 add_executable(bm_pointerIterationOrOffsets BM_pointerIterationOrOffsets.cpp ${SFIZZ_SIMD_SOURCES})
 target_link_libraries(bm_pointerIterationOrOffsets benchmark absl::span absl::algorithm)
+target_include_directories(bm_pointerIterationOrOffsets PRIVATE ../src/sfizz ../src/external)
 
 add_custom_target(sfizz_benchmarks)
 add_dependencies(sfizz_benchmarks 
@@ -109,4 +146,4 @@ add_dependencies(sfizz_benchmarks
 	bm_pan
 	bm_subtract
 	bm_multiplyAdd
-)
+)

clients/CMakeLists.txt

@@ -3,19 +3,8 @@ project(sfizz)
 ###############################
 add_executable(sfzprint sfzprint.cpp)
 target_link_libraries(sfzprint sfizz::parser absl::flags_parse)
-install(TARGETS sfzprint DESTINATION . OPTIONAL)
-
-###############################
-# Basic command line program
-if(APPLE)
-    find_path(JACK_INCLUDE_DIR NAMES jack.h PATHS "/usr/local/include/jack")
-    find_library(JACK_LIBRARY  NAMES jack   PATHS "/usr/local/lib")
-    message(STATUS "include dir: " ${JACK_INCLUDE_DIR} " lib: " ${JACK_LIBRARY})
-    add_library(jack SHARED IMPORTED GLOBAL)
-    target_include_directories(jack INTERFACE ${JACK_INCLUDE_DIR})
-    target_link_libraries(jack INTERFACE ${JACK_LIBRARY})
-endif()
+# install(TARGETS sfzprint DESTINATION . OPTIONAL)
 
 add_executable(sfizz_jack jack_client.cpp)
 target_link_libraries(sfizz_jack sfizz::sfizz jack absl::flags_parse)
-install(TARGETS sfizz_jack DESTINATION . OPTIONAL)
+# install(TARGETS sfizz_jack DESTINATION . OPTIONAL)

clients/jack_client.cpp

@@ -21,8 +21,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#include "AudioSpan.h"
-#include "Synth.h"
+#include "sfizz.hpp"
 #include <absl/flags/parse.h>
 #include <absl/types/span.h>
 #include <atomic>

cmake/CheckIPO.cmake

@@ -0,0 +1,14 @@
+# Added in CMake 3.9
+include (CheckIPOSupported)
+check_ipo_supported (RESULT result OUTPUT output)
+
+if (result AND ENABLE_LTO AND ${CMAKE_BUILD_TYPE} STREQUAL "Release")
+    message (STATUS "\nLTO enabled.")
+else()
+    if (${output})
+        message (WARNING "\nIPO disabled: ${output}")
+    else()
+        message (WARNING "\nIPO was disabled, not in a Release build?")
+    endif()
+    set (ENABLE_LTO OFF)
+endif()

cmake/LV2Config.cmake

@@ -0,0 +1,9 @@
+# Configuration for this plugin
+# TODO: generate version from git
+set (LV2PLUGIN_VERSION_MINOR   0)
+set (LV2PLUGIN_VERSION_MICRO   1)
+set (LV2PLUGIN_NAME            "Sfizz")
+set (LV2PLUGIN_COMMENT         "SFZ sampler")
+set (LV2PLUGIN_URI             "http://sfztools.github.io/sfizz")
+set (LV2PLUGIN_AUTHOR          "Paul Ferrand")
+set (LV2PLUGIN_SPDX_LICENSE_ID "BSD-2-Clause")

cmake/SfizzConfig.cmake

@@ -0,0 +1,28 @@
+# Do not override the C++ standard if set to more than 14
+if (NOT CMAKE_CXX_STANDARD OR CMAKE_CXX_STANDARD LESS 14)
+    set(CMAKE_CXX_STANDARD 14)
+endif()
+
+# Export the compile_commands.json file
+set (CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# Only install what's explicitely said
+set (CMAKE_SKIP_INSTALL_ALL_DEPENDENCY true)
+
+# Add required flags for the builds
+if (UNIX)
+    add_compile_options(-Wall)
+    add_compile_options(-Wextra)
+    add_compile_options(-ffast-math)
+    add_compile_options(-fno-omit-frame-pointer) # For debugging purposes
+    add_compile_options(-fPIC)
+endif()
+
+# If we build with Clang use libc++
+if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND NOT ANDROID)
+    set(USE_LIBCPP ON CACHE BOOL "Use libc++ with clang")
+    add_compile_options(-stdlib=libc++)
+    # Presumably need the above for linking too, maybe other options missing as well
+    add_link_options(-stdlib=libc++)   # New command on CMake master, not in 3.12 release
+    add_link_options(-lc++abi)   # New command on CMake master, not in 3.12 release
+endif()

cmake/SfizzSIMDSourceFilesCheck.cmake

@@ -0,0 +1,28 @@
+# Check SIMD
+include (CheckIncludeFiles)
+CHECK_INCLUDE_FILES(x86intrin.h HAVE_X86INTRIN_H)
+CHECK_INCLUDE_FILES(intrin.h HAVE_INTRIN_H)
+
+if (!APPLE)
+    CHECK_INCLUDE_FILES (arm_neon.h HAVE_ARM_NEON_H)
+endif()
+
+# SIMD checks
+if (HAVE_X86INTRIN_H AND UNIX)
+    add_compile_options (-DHAVE_X86INTRIN_H)
+    set (SFIZZ_SIMD_SOURCES sfizz/SIMDSSE.cpp)
+elseif (HAVE_INTRIN_H AND WIN32)
+    add_compile_options (/DHAVE_INTRIN_H)
+    set (SFIZZ_SIMD_SOURCES sfizz/SIMDSSE.cpp)
+elseif (HAVE_ARM_NEON_H AND UNIX)
+    add_compile_options (-DHAVE_ARM_NEON_H)
+    add_compile_options (-mfpu=neon-fp-armv8)
+    add_compile_options (-march=native)
+    add_compile_options (-mtune=cortex-a53)
+    add_compile_options (-funsafe-math-optimizations)
+    set (SFIZZ_SIMD_SOURCES sfizz/SIMDDummy.cpp)
+else()
+    set (SFIZZ_SIMD_SOURCES sfizz/SIMDDummy.cpp)
+endif()
+
+set (SFIZZ_SOURCES ${SFIZZ_SOURCES} ${SFIZZ_SIMD_SOURCES})

lv2/CMakeLists.txt

@@ -1,19 +1,46 @@
-cmake_minimum_required(VERSION 3.11)
-project(sfizz-lv2)
+project (lv2plugin)
 
-find_package(PkgConfig REQUIRED)
-pkg_check_modules(sfizz REQUIRED IMPORTED_TARGET sfizz)
+# CMAKE_PROJECT_NAME is the top level project name, not the current one
+set (LV2PLUGIN_PRJ_NAME "${CMAKE_PROJECT_NAME}_lv2")
 
-# Force add relocation to the flags globally. It's ugly but what can you do...
-# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
+# Set the build directory as <build_dir>/lv2/<plugin_name>.lv2/
+set (PROJECT_BINARY_DIR "${PROJECT_BINARY_DIR}/${CMAKE_PROJECT_NAME}.lv2")
 
-# Export the compile_commands.json file
-set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+# LV2 plugin specific settings
+include (LV2Config)
 
-add_library(sfizz-lv2 SHARED sfizz.c)
-set_target_properties(sfizz-lv2 PROPERTIES PREFIX "")
-set_target_properties(sfizz-lv2 PROPERTIES OUTPUT_NAME "sfizz")
-target_link_libraries(sfizz-lv2 sfizz)
-if(UNIX)
-target_compile_options(sfizz-lv2 PRIVATE -Wextra -pedantic -Wall -Werror)
-endif()
+if (WIN32)
+    set (LV2PLUGIN_EXT "dll")
+elseif (APPLE)
+    set (LV2PLUGIN_EXT "dylib")
+else()
+    set (LV2PLUGIN_EXT "so")
+endif()
+
+# Keep non build turtle files in IDE
+set (LV2PLUGIN_TTL_SRC_FILES
+    manifest.ttl.in
+    ${CMAKE_PROJECT_NAME}.ttl.in
+)
+add_library (${LV2PLUGIN_PRJ_NAME} SHARED ${CMAKE_PROJECT_NAME}.c ${LV2PLUGIN_TTL_SRC_FILES})
+target_link_libraries (${LV2PLUGIN_PRJ_NAME} ${CMAKE_PROJECT_NAME}::${CMAKE_PROJECT_NAME})
+
+if (ENABLE_LTO)
+    set_property (TARGET ${LV2PLUGIN_PRJ_NAME} PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
+endif()
+
+# Remove the "lib" prefix, rename the target name and build it in the .lv build dir
+# <build_dir>/lv2/<plugin_name>_lv2.<ext> to
+# <build_dir>/lv2/<plugin_name>.lv2/<plugin_name>.<ext>
+set_target_properties (${LV2PLUGIN_PRJ_NAME} PROPERTIES PREFIX "")
+set_target_properties (${LV2PLUGIN_PRJ_NAME} PROPERTIES OUTPUT_NAME "${CMAKE_PROJECT_NAME}")
+set_target_properties (${LV2PLUGIN_PRJ_NAME} PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}")
+
+# Generate *.ttl files from *.in sources,
+# create the destination directory if it doesn't exists and copy needed files
+file (MAKE_DIRECTORY ${PROJECT_BINARY_DIR})
+configure_file (manifest.ttl.in ${PROJECT_BINARY_DIR}/manifest.ttl)
+configure_file (${CMAKE_PROJECT_NAME}.ttl.in ${PROJECT_BINARY_DIR}/${CMAKE_PROJECT_NAME}.ttl)
+
+# Installation
+install (DIRECTORY ${PROJECT_BINARY_DIR} DESTINATION ${LV2PLUGIN_INSTALL_DIR})

lv2/manifest.ttl.in

@@ -0,0 +1,7 @@
+@prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+
+<@LV2PLUGIN_URI@>
+  a lv2:Plugin ;
+  lv2:binary <@CMAKE_PROJECT_NAME@.@LV2PLUGIN_EXT@> ;
+  rdfs:seeAlso <@CMAKE_PROJECT_NAME@.ttl> .

lv2/sfizz.ttl.in

@@ -0,0 +1,108 @@
+@prefix atom:    <http://lv2plug.in/ns/ext/atom#> .
+@prefix bufsize: <http://lv2plug.in/ns/ext/buf-size#> .
+@prefix doap:    <http://usefulinc.com/ns/doap#> .
+@prefix foaf:    <http://xmlns.com/foaf/0.1/> .
+@prefix lv2:     <http://lv2plug.in/ns/lv2core#> .
+@prefix midi:    <http://lv2plug.in/ns/ext/midi#> .
+@prefix opts:    <http://lv2plug.in/ns/ext/options#> .
+@prefix patch: 	 <http://lv2plug.in/ns/ext/patch#> .
+@prefix pg:      <http://lv2plug.in/ns/ext/port-groups#> .
+@prefix pprop:   <http://lv2plug.in/ns/ext/port-props#> .
+@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix state:   <http://lv2plug.in/ns/ext/state#> .
+@prefix units:   <http://lv2plug.in/ns/extensions/units#> .
+@prefix urid:    <http://lv2plug.in/ns/ext/urid#> .
+@prefix work:    <http://lv2plug.in/ns/ext/worker#> .
+
+<#config>
+  a pg:Group ;
+  lv2:symbol "config" ;
+  lv2:name   "Configuration" .
+
+<@LV2PLUGIN_URI@:sfzfile>
+  a lv2:Parameter ;
+  rdfs:label "SFZ file" ;
+  rdfs:range atom:Path .
+
+<@LV2PLUGIN_URI@:numvoices>
+  a lv2:Parameter ;
+  rdfs:label "Polyphony" ;
+  rdfs:range atom:Int .
+
+<@LV2PLUGIN_URI@>
+  a doap:Project, lv2:Plugin, lv2:InstrumentPlugin ;
+
+  doap:name "@LV2PLUGIN_NAME@" ;
+  doap:license <https://spdx.org/licenses/@LV2PLUGIN_SPDX_LICENSE_ID@> ;
+  doap:maintainer [
+    foaf:name     "@LV2PLUGIN_AUTHOR@" ;
+    foaf:homepage <@LV2PLUGIN_URI@> ;
+  ] ;
+  rdfs:comment "@LV2PLUGIN_COMMENT@" ;
+
+  lv2:minorVersion @LV2PLUGIN_VERSION_MINOR@ ;
+  lv2:microVersion @LV2PLUGIN_VERSION_MICRO@ ;
+
+  lv2:requiredFeature urid:map, bufsize:boundedBlockLength, work:schedule ;
+  lv2:optionalFeature lv2:hardRTCapable, opts:options ;
+  lv2:extensionData opts:interface, state:interface, work:interface ;
+
+  patch:writable <@LV2PLUGIN_URI@:sfzfile> ;
+
+  lv2:port [
+    a lv2:InputPort, atom:AtomPort ;
+    atom:bufferType atom:Sequence ;
+    atom:supports patch:Message, midi:MidiEvent ;
+    lv2:designation lv2:control ;
+    lv2:index 0 ;
+    lv2:symbol "control" ;
+    lv2:name "Control"
+  ] , [
+    a lv2:OutputPort, atom:AtomPort ;
+    atom:bufferType atom:Sequence ;
+    atom:supports patch:Message ;
+    lv2:designation lv2:control ;
+    lv2:index 1 ;
+    lv2:symbol "notify" ;
+    lv2:name "Notify" ;
+  ] , [
+    a lv2:AudioPort , lv2:OutputPort ;
+    lv2:index 2 ;
+    lv2:symbol "out_left" ;
+    lv2:name "Left Output"
+  ] , [
+    a lv2:AudioPort , lv2:OutputPort ;
+    lv2:index 3 ;
+    lv2:symbol "out_right" ;
+    lv2:name "Right Output"
+  ] , [
+    a lv2:InputPort, lv2:ControlPort ;
+    lv2:index 4 ;
+    lv2:symbol "volume" ;
+    lv2:name "Volume" ;
+    lv2:default 0.0 ;
+    lv2:minimum -80.0 ;
+    lv2:maximum 6.0 ;
+    lv2:portProperty pprop:notAutomatic ;
+    units:unit units:db
+  ] , [
+    a lv2:InputPort, lv2:ControlPort ;
+    lv2:index 5 ;
+    lv2:symbol "num_voices" ;
+    lv2:name "Polyphony" ;
+    pg:group <#config> ;
+    lv2:portProperty pprop:notAutomatic ;
+    lv2:portProperty pprop:expensive ;
+    lv2:portProperty lv2:integer ;
+    lv2:portProperty lv2:enumeration ;
+    lv2:default 64 ;
+    lv2:minimum 8 ;
+    lv2:maximum 256 ;
+    lv2:scalePoint [ rdfs:label "8 voices"; rdf:value 8 ] ;
+    lv2:scalePoint [ rdfs:label "16 voices"; rdf:value 16 ] ;
+    lv2:scalePoint [ rdfs:label "32 voices"; rdf:value 32 ] ;
+    lv2:scalePoint [ rdfs:label "64 voices"; rdf:value 64 ] ;
+    lv2:scalePoint [ rdfs:label "128 voices"; rdf:value 128 ] ;
+    lv2:scalePoint [ rdfs:label "256 voices"; rdf:value 256 ] ;
+  ] .

old_cmake/benchmark.txt

@@ -0,0 +1,125 @@
+project(sfizz)
+
+include(FetchContent)
+FetchContent_Declare(
+  benchmark
+  GIT_REPOSITORY https://github.com/google/benchmark.git
+  GIT_TAG        v1.5.0
+)
+
+FetchContent_GetProperties(benchmark)
+if(NOT benchmark_POPULATED)
+  FetchContent_Populate(benchmark)
+  add_subdirectory(${benchmark_SOURCE_DIR} ${benchmark_BINARY_DIR})
+endif()
+
+# Check SIMD
+include(CheckIncludeFiles)
+CHECK_INCLUDE_FILES(x86intrin.h HAVE_X86INTRIN_H)
+CHECK_INCLUDE_FILES(intrin.h HAVE_INTRIN_H)
+CHECK_INCLUDE_FILES(arm_neon.h HAVE_ARM_NEON_H)
+
+# SIMD checks
+if (HAVE_X86INTRIN_H AND UNIX)
+    add_compile_options(-DHAVE_X86INTRIN_H)
+    set(SFIZZ_SIMD_SOURCES ../sfizz/SIMDSSE.cpp)
+elseif (HAVE_INTRIN_H AND WIN32)
+    add_compile_options(/DHAVE_INTRIN_H)
+    set(SFIZZ_SIMD_SOURCES ../sfizz/SIMDSSE.cpp)
+elseif (HAVE_ARM_NEON_H AND UNIX)
+    add_compile_options(-DHAVE_ARM_NEON_H)
+    add_compile_options(-mfpu=neon-fp-armv8)
+    add_compile_options(-march=native)
+    add_compile_options(-mtune=cortex-a53)
+    add_compile_options(-funsafe-math-optimizations)
+    set(SFIZZ_SIMD_SOURCES ../sfizz/SIMDNEON.cpp)
+else()
+    set(SFIZZ_SIMD_SOURCES ../sfizz/SIMDDummy.cpp)
+endif()
+
+add_executable(bm_opf_high_vs_low BM_OPF_high_vs_low.cpp)
+target_link_libraries(bm_opf_high_vs_low benchmark absl::span)
+
+add_executable(bm_write BM_writeInterleaved.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_write benchmark absl::span)
+
+add_executable(bm_read BM_readInterleaved.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_read benchmark absl::span)
+
+add_executable(bm_fill BM_fill.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_fill benchmark absl::span)
+
+add_executable(bm_mathfuns BM_mathfuns.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_mathfuns benchmark absl::span)
+
+add_executable(bm_gain BM_gain.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_gain benchmark absl::span)
+
+add_executable(bm_looping BM_looping.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_looping benchmark absl::span absl::algorithm)
+
+add_executable(bm_saturating BM_saturating.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_saturating benchmark absl::span absl::algorithm)
+
+add_executable(bm_ramp BM_ramp.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_ramp benchmark absl::span absl::algorithm)
+
+add_executable(bm_ADSR BM_ADSR.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_ADSR benchmark absl::span absl::algorithm)
+
+add_executable(bm_add BM_add.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_add benchmark absl::span absl::algorithm)
+
+add_executable(bm_multiplyAdd BM_multiplyAdd.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_multiplyAdd benchmark absl::span absl::algorithm)
+
+add_executable(bm_subtract BM_subtract.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_subtract benchmark absl::span absl::algorithm)
+
+add_executable(bm_copy BM_copy.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_copy benchmark absl::span absl::algorithm)
+
+add_executable(bm_pan BM_pan.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_pan benchmark absl::span absl::algorithm)
+
+add_executable(bm_mean BM_mean.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_mean benchmark absl::span absl::algorithm)
+
+add_executable(bm_meanSquared BM_meanSquared.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_meanSquared benchmark absl::span absl::algorithm)
+
+add_executable(bm_cumsum BM_cumsum.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_cumsum benchmark absl::span absl::algorithm)
+
+add_executable(bm_diff BM_diff.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_diff benchmark absl::span absl::algorithm)
+
+add_executable(bm_interpolationCast BM_interpolationCast.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_interpolationCast benchmark absl::span absl::algorithm)
+
+add_executable(bm_pointerIterationOrOffsets BM_pointerIterationOrOffsets.cpp ${SFIZZ_SIMD_SOURCES})
+target_link_libraries(bm_pointerIterationOrOffsets benchmark absl::span absl::algorithm)
+
+add_custom_target(sfizz_benchmarks)
+add_dependencies(sfizz_benchmarks 
+	bm_opf_high_vs_low 
+	bm_write
+	bm_pointerIterationOrOffsets
+	bm_read
+	bm_mean
+	bm_meanSquared
+	bm_fill
+	bm_cumsum
+	bm_diff
+	bm_interpolationCast
+	bm_mathfuns
+	bm_gain
+	bm_looping
+	bm_saturating
+	bm_ramp
+	bm_ADSR
+	bm_add
+	bm_pan
+	bm_subtract
+	bm_multiplyAdd
+)

old_cmake/client.txt

@@ -0,0 +1,21 @@
+project(sfizz)
+
+###############################
+add_executable(sfzprint sfzprint.cpp)
+target_link_libraries(sfzprint sfizz::parser absl::flags_parse)
+install(TARGETS sfzprint DESTINATION . OPTIONAL)
+
+###############################
+# Basic command line program
+if(APPLE)
+    find_path(JACK_INCLUDE_DIR NAMES jack.h PATHS "/usr/local/include/jack")
+    find_library(JACK_LIBRARY  NAMES jack   PATHS "/usr/local/lib")
+    message(STATUS "include dir: " ${JACK_INCLUDE_DIR} " lib: " ${JACK_LIBRARY})
+    add_library(jack SHARED IMPORTED GLOBAL)
+    target_include_directories(jack INTERFACE ${JACK_INCLUDE_DIR})
+    target_link_libraries(jack INTERFACE ${JACK_LIBRARY})
+endif()
+
+add_executable(sfizz_jack jack_client.cpp)
+target_link_libraries(sfizz_jack sfizz::sfizz jack absl::flags_parse)
+install(TARGETS sfizz_jack DESTINATION . OPTIONAL)

old_cmake/lv2.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.11)
+project(sfizz-lv2)
+
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(sfizz REQUIRED IMPORTED_TARGET sfizz)
+
+# Force add relocation to the flags globally. It's ugly but what can you do...
+# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
+
+# Export the compile_commands.json file
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+add_library(sfizz-lv2 SHARED sfizz.c)
+set_target_properties(sfizz-lv2 PROPERTIES PREFIX "")
+set_target_properties(sfizz-lv2 PROPERTIES OUTPUT_NAME "sfizz")
+target_link_libraries(sfizz-lv2 sfizz)
+if(UNIX)
+target_compile_options(sfizz-lv2 PRIVATE -Wextra -pedantic -Wall -Werror)
+endif()

old_cmake/root.txt

@@ -0,0 +1,105 @@
+cmake_minimum_required(VERSION 3.13)
+project(sfizz VERSION 1.0.0 LANGUAGES CXX)
+
+# Do not override if set to more than 14
+if (NOT CMAKE_CXX_STANDARD OR CMAKE_CXX_STANDARD LESS 14)
+    set(CMAKE_CXX_STANDARD 14)
+endif()
+
+# Skip installing all dependencies
+set(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY true)
+
+# Enable LTO
+set(CMAKE_POLICY_DEFAULT_CMP0069 NEW) # To override the policy in abseil and benchmark
+set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+
+# Enable PIC
+# set(POSITION_INDEPENDENT_CODE ON)
+
+if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND NOT ANDROID)
+    set(USE_LIBCPP ON CACHE BOOL "Use libc++ with clang")
+    add_compile_options(-stdlib=libc++)
+    # Presumably need the above for linking too, maybe other options missing as well
+    add_link_options(-stdlib=libc++)   # New command on CMake master, not in 3.12 release
+    add_link_options(-lc++abi)   # New command on CMake master, not in 3.12 release
+endif()
+
+if (UNIX)
+    add_compile_options(-fPIC)
+    add_compile_options(-Wall)
+    add_compile_options(-Wextra)
+    add_compile_options(-ffast-math)
+    add_compile_options(-fno-omit-frame-pointer)
+endif()
+
+if (WIN32)
+    # TODO: Remove when abseil updates (deprecation warning from c++17 onwards)
+    add_compile_options(/wd4996)
+    # add_compile_options(/W3)
+    # add_compile_options(/GR-)
+    # add_compile_options(/permissive-)
+    # add_compile_options(/fp:fast)
+endif()
+
+message("Cmake flags: ${CMAKE_CXX_FLAGS}")
+
+# Export the compile_commands.json file
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# find_package(Git QUIET)
+# if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
+# Update submodules as needed
+#     option(GIT_SUBMODULE "Check submodules during build" ON)
+ #    if(GIT_SUBMODULE)
+ #        message(STATUS "Submodule update")
+ #        execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive --remote 
+ #                        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ #                        RESULT_VARIABLE GIT_SUBMOD_RESULT)
+ #        if(NOT GIT_SUBMOD_RESULT EQUAL "0")
+#             message(FATAL_ERROR "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
+#         endif()
+#     endif()
+# endif()
+
+# Build options and includes
+set(BUILD_TESTING OFF CACHE BOOL "Disable Abseil's tests")
+add_subdirectory(external/abseil-cpp EXCLUDE_FROM_ALL)
+
+# Download libsndfile
+if (WIN32)
+    # file(DOWNLOAD https://github.com/bastibe/libsndfile-binaries/raw/master/libsndfile32bit.dll external/libsndfile-win/libsndfile32bit.dll)
+    # file(DOWNLOAD https://github.com/bastibe/libsndfile-binaries/raw/master/libsndfile64bit.dll external/libsndfile-win/libsndfile64bit.dll)
+    # message(STATUS "Downloading libsndfile")
+    # # find_library(sndfile libsndfile-1.lib HINTS ${WIN_SNDFILE_PATH}/lib)
+    set(WIN_SNDFILE_PATH "C:/Program Files/Mega-Nerd/libsndfile")
+    add_library(sndfile STATIC IMPORTED)
+    set_target_properties(sndfile PROPERTIES IMPORTED_LOCATION "${WIN_SNDFILE_PATH}/lib/libsndfile-1.lib")
+    set_target_properties(sndfile PROPERTIES LINKER_LANGUAGE CXX)
+    file(COPY "${WIN_SNDFILE_PATH}/bin/libsndfile-1.dll" DESTINATION ${CMAKE_BINARY_DIR})
+    target_include_directories(sndfile INTERFACE "${WIN_SNDFILE_PATH}/include")
+elseif(APPLE)
+    find_path(SNDFILE_INCLUDE_DIR NAMES sndfile.hh PATHS "/usr/local/include")
+    find_library(SNDFILE_LIBRARY  NAMES sndfile    PATHS "/usr/local/lib")
+    message(STATUS "include dir: " ${SNDFILE_INCLUDE_DIR} " lib: " ${SNDFILE_LIBRARY})
+    add_library(sndfile SHARED IMPORTED GLOBAL)
+    target_include_directories(sndfile INTERFACE ${SNDFILE_INCLUDE_DIR})
+    target_link_libraries(sndfile INTERFACE ${SNDFILE_LIBRARY})
+endif()
+
+add_subdirectory(sfizz)
+
+if (SFIZZ_CLIENTS)
+add_subdirectory(clients)
+endif()
+
+if (SFIZZ_TESTS)
+add_subdirectory(tests)
+endif()
+
+if (SFIZZ_BENCHMARKS)
+# Benchmarks
+set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "Disable Google Benchmark tests")
+set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "Disable Google Benchmark install")
+add_subdirectory(external/benchmark EXCLUDE_FROM_ALL)
+add_subdirectory(benchmarks)
+endif()

old_cmake/tests.txt

@@ -0,0 +1,40 @@
+###############################
+# Test application
+
+project(sfizz)
+
+set(SFIZZ_TEST_SOURCES
+    RegionT.cpp
+    RegexT.cpp
+    HelpersT.cpp
+    HelpersT.cpp
+    AudioBufferT.cpp
+    RangeT.cpp
+    OpcodeT.cpp
+    BufferT.cpp
+    SIMDHelpersT.cpp
+    FilesT.cpp
+    OnePoleFilterT.cpp
+    RegionActivationT.cpp
+    RegionCrossfadesT.cpp
+    ADSREnvelopeT.cpp
+    LinearEnvelopeT.cpp
+    MainT.cpp
+    RegionTriggersT.cpp
+)
+
+find_package(ZLIB REQUIRED)
+add_library(cnpy cnpy.cpp)
+target_link_libraries(cnpy PRIVATE ZLIB::ZLIB)
+
+add_executable(sfizz_tests ${SFIZZ_TEST_SOURCES})
+target_link_libraries(sfizz_tests PRIVATE sfizz)
+
+# Per OS properties
+if(UNIX)
+    target_link_libraries(sfizz_tests PRIVATE atomic)
+endif(UNIX)
+target_link_libraries(sfizz_tests PRIVATE absl::strings absl::str_format absl::flat_hash_map sndfile cnpy absl::span absl::algorithm)
+target_include_directories(sfizz_tests SYSTEM PRIVATE sources)
+
+file(COPY "." DESTINATION ${CMAKE_BINARY_DIR}/tests)

src/CMakeLists.txt

@@ -0,0 +1,61 @@
+project(sfizz)
+
+set (SFIZZ_SOURCES
+    sfizz/Synth.cpp
+    sfizz/FilePool.cpp
+    sfizz/Region.cpp
+    sfizz/Voice.cpp
+    sfizz/ScopedFTZ.cpp
+    sfizz/SfzHelpers.cpp
+    sfizz/FloatEnvelopes.cpp
+)
+include (SfizzSIMDSourceFilesCheck)
+
+# Parser core library
+add_library (sfizz_parser STATIC)
+target_sources (sfizz_parser PRIVATE sfizz/Parser.cpp sfizz/Opcode.cpp)
+target_include_directories (sfizz_parser PUBLIC sfizz)
+target_include_directories (sfizz_parser PUBLIC external)
+target_link_libraries (sfizz_parser PRIVATE absl::strings)
+
+# Sfizz core library
+add_library (sfizz STATIC ${SFIZZ_SOURCES} sfizz/sfizz_wrapper.cpp)
+target_include_directories (sfizz PUBLIC sfizz)
+target_include_directories (sfizz PUBLIC .)
+target_include_directories (sfizz PUBLIC external)
+target_link_libraries (sfizz PRIVATE sfizz_parser)
+find_package (Threads REQUIRED)
+target_link_libraries (sfizz PUBLIC absl::strings)
+target_link_libraries (sfizz PRIVATE sndfile absl::flat_hash_map Threads::Threads)
+
+if (UNIX)
+    target_link_libraries (sfizz PUBLIC atomic)
+endif()
+
+if (ENABLE_LTO)
+    set_property (TARGET sfizz_parser PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
+    set_property (TARGET sfizz        PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
+endif()
+
+add_library (sfizz::parser ALIAS sfizz_parser)
+add_library (sfizz::sfizz ALIAS sfizz)
+
+# install(TARGETS sfizz_parser DESTINATION . EXCLUDE_FROM_ALL)
+# install(TARGETS sfizz DESTINATION . EXCLUDE_FROM_ALL)
+
+# Shared library and installation target
+if (SFIZZ_SHARED)
+    add_library (sfizz_shared SHARED sfizz.h)
+    set_target_properties (sfizz_shared PROPERTIES OUTPUT_NAME sfizz PUBLIC_HEADER sfizz.h)
+    target_link_libraries (sfizz_shared sfizz::sfizz)
+    configure_file (${CMAKE_SOURCE_DIR}/scripts/sfizz.pc.in sfizz.pc @ONLY)
+    if (UNIX)
+        include (GNUInstallDirs)
+        install (TARGETS sfizz_shared
+            ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}/static
+            LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+            PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+        install (FILES
+            ${CMAKE_BINARY_DIR}/src/sfizz.pc DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig)
+    endif()
+endif()

src/sfizz.h

@@ -23,7 +23,7 @@
 
 /**
   @file
-  @brief sfizz public API.
+  @brief sfizz public C API
 */
 
 #pragma once

src/sfizz.hpp

@@ -0,0 +1,2 @@
+#include "sfizz/AudioSpan.h"
+#include "sfizz/Synth.h"

src/sfizz/FilePool.h

@@ -28,7 +28,7 @@
 #include "AudioBuffer.h"
 #include "Voice.h"
 #include "ghc/fs_std.hpp"
-#include "readerwriterqueue.h"
+#include "moodycamel/readerwriterqueue.h"
 #include <absl/container/flat_hash_map.h>
 #include <mutex>
 #include <absl/types/optional.h>

src/sfizz_parser.hpp

@@ -0,0 +1,2 @@
+#include "sfizz/Parser.h"
+#include "sfizz/Opcode.h"

tests/CMakeLists.txt

@@ -24,11 +24,12 @@ set(SFIZZ_TEST_SOURCES
 )
 
 find_package(ZLIB REQUIRED)
-add_library(cnpy cnpy.cpp)
+add_library(cnpy cnpy/cnpy.cpp)
 target_link_libraries(cnpy PRIVATE ZLIB::ZLIB)
+target_include_directories(cnpy PUBLIC cnpy)
 
 add_executable(sfizz_tests ${SFIZZ_TEST_SOURCES})
-target_link_libraries(sfizz_tests PRIVATE sfizz)
+target_link_libraries(sfizz_tests PRIVATE sfizz::sfizz)
 
 # Per OS properties
 if(UNIX)

tests/FilesT.cpp

@@ -23,7 +23,7 @@
 
 #include "Synth.h"
 #include "catch2/catch.hpp"
-#include "../sfizz/ghc/fs_std.hpp"
+#include "ghc/fs_std.hpp"
 using namespace Catch::literals;
 
 TEST_CASE("[Files] Single region (regions_one.sfz)")

tests/OnePoleFilterT.cpp

@@ -24,7 +24,7 @@
 #include "OnePoleFilter.h"
 #include "catch2/catch.hpp"
 #include "cnpy.h"
-#include "../sfizz/ghc/fs_std.hpp"
+#include "ghc/fs_std.hpp"
 #include <absl/types/span.h>
 #include <algorithm>
 #include <string>