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Build a shell AU with cmake #69

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Build a shell AU with cmake #69

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43 changes: 40 additions & 3 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
# CLAP_WRAPPER_BUNDLE_IDENTIFIER the macOS Bundle Identifier. Absent this it is 'org.cleveraudio.wrapper.(name)'
# CLAP_WRAPPER_BUNDLE_VERSION the macOS Bundle Version. Defaults to 1.0
# CLAP_WRAPPER_WINDOWS_SINGLE_FILE if set to TRUE (default) the windows .vst3 is a single file; false a 3.7 spec folder
# CLAP_WRAPPER_BUILD_AUV2 on macOS also build an AUV2
#

cmake_minimum_required(VERSION 3.20)
Expand All @@ -31,6 +32,7 @@ set(CMAKE_COLOR_DIAGNOSTICS ON)
# can just build with this turned on and it will forward all note expressions to your CLAP
option(CLAP_SUPPORTS_ALL_NOTE_EXPRESSIONS "Does the underlying CLAP support note expressions" OFF)
option(CLAP_WRAPPER_WINDOWS_SINGLE_FILE "Build a single fine (rather than folder) on windows" ON)
option(CLAP_WRAPPER_BUILD_AUV2 "Build an AUV2 on macOS" OFF)

project(clap-wrapper
LANGUAGES C CXX
Expand Down Expand Up @@ -64,10 +66,15 @@ else()
set(clapname ${CLAP_WRAPPER_OUTPUT_NAME})
endif()

# Generate a VST3 target name (prepare for AU)
# Generate an AU and VST3
set(pluginname_vst3 ${pluginname}_as_vst3)
message(STATUS "clap-wrapper: VST3 plugin target is '${pluginname_vst3}' generating target '${clapname}.vst3'")

if (${CLAP_WRAPPER_BUILD_AUV2})
set(pluginname_auv2 ${pluginname}_as_auv2)
message(STATUS "clap-wrapper: AUV2 plugin target is '${pluginname_auv2}' generating target '${clapname}.component'")
endif()


# Define the extensions target
add_library(clap-wrapper-extensions INTERFACE)
Expand Down Expand Up @@ -99,7 +106,7 @@ target_compile_options(${pluginname_vst3} PRIVATE $<IF:$<CONFIG:Debug>,-DDEVELOP

if (APPLE)
if ("${CLAP_WRAPPER_BUNDLE_IDENTIFIER}" STREQUAL "")
set(CLAP_WRAPPER_BUNDLE_IDENTIFIER "org.cleveraudio.wrapper.${pluginname}.vst3")
set(CLAP_WRAPPER_BUNDLE_IDENTIFIER "org.cleveraudio.wrapper.${pluginname}")
endif()

if ("${CLAP_WRAPPER_BUNDLE_VERSION}" STREQUAL "")
Expand All @@ -110,7 +117,7 @@ if (APPLE)
set_target_properties(${pluginname_vst3} PROPERTIES
BUNDLE True
BUNDLE_EXTENSION vst3
MACOSX_BUNDLE_GUI_IDENTIFIER ${CLAP_WRAPPER_BUNDLE_IDENTIFIER}
MACOSX_BUNDLE_GUI_IDENTIFIER "${CLAP_WRAPPER_BUNDLE_IDENTIFIER}.vst3"
MACOSX_BUNDLE_BUNDLE_NAME ${clapname}
MACOSX_BUNDLE_BUNDLE_VERSION ${CLAP_WRAPPER_BUNDLE_VERSION}
MACOSX_BUNDLE_SHORT_VERSION_STRING ${CLAP_WRAPPER_BUNDLE_VERSION}
Expand Down Expand Up @@ -152,4 +159,34 @@ else()
endif()
endif()

if (${CLAP_WRAPPER_BUILD_AUV2})
add_library(${pluginname_auv2} MODULE src/wrapasauv2.cpp)
set_target_properties(${pluginname_auv2} PROPERTIES LIBRARY_OUTPUT_NAME "${CLAP_WRAPPER_OUTPUT_NAME}")

target_link_libraries(${pluginname_auv2} PRIVATE auv2_sdk)

if ("${CLAP_WRAPPER_BUNDLE_IDENTIFIER}" STREQUAL "")
set(CLAP_WRAPPER_BUNDLE_IDENTIFIER "org.cleveraudio.wrapper.${pluginname}")
endif()

if ("${CLAP_WRAPPER_BUNDLE_VERSION}" STREQUAL "")
set(CLAP_WRAPPER_BUNDLE_VERSION "1.0")
endif()

target_link_libraries (${pluginname_auv2} PUBLIC "-framework Foundation" "-framework CoreFoundation" "-framework AudioToolbox")
set_target_properties(${pluginname_auv2} PROPERTIES
BUNDLE True
BUNDLE_EXTENSION component
MACOSX_BUNDLE_GUI_IDENTIFIER "${CLAP_WRAPPER_BUNDLE_IDENTIFIER}.component"
MACOSX_BUNDLE_BUNDLE_NAME ${clapname}
MACOSX_BUNDLE_BUNDLE_VERSION ${CLAP_WRAPPER_BUNDLE_VERSION}
MACOSX_BUNDLE_SHORT_VERSION_STRING ${CLAP_WRAPPER_BUNDLE_VERSION}
MACOSX_BUNDLE_INFO_PLIST ${CMAKE_SOURCE_DIR}/cmake/auv2_Info.plist.in
)
if (NOT ${CMAKE_GENERATOR} STREQUAL "Xcode")
add_custom_command(TARGET ${pluginname_auv2} POST_BUILD
WORKING_DIRECTORY $<TARGET_PROPERTY:${pluginname_auv2},LIBRARY_OUTPUT_DIRECTORY>
COMMAND SetFile -a B "$<TARGET_PROPERTY:${pluginname_auv2},MACOSX_BUNDLE_BUNDLE_NAME>.$<TARGET_PROPERTY:${pluginname_auv2},BUNDLE_EXTENSION>")
endif()
endif()

54 changes: 54 additions & 0 deletions cmake/auv2_Info.plist.in
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Original file line number Diff line number Diff line change
@@ -0,0 +1,54 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>English</string>
<key>CFBundleExecutable</key>
<string>${MACOSX_BUNDLE_EXECUTABLE_NAME}</string>
<key>CFBundleIdentifier</key>
<string>${MACOSX_BUNDLE_INFO_STRING}</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>${MACOSX_BUNDLE_BUNDLE_NAME}</string>
<key>CFBundlePackageType</key>
<string>BNDL</string>
<key>CFBundleShortVersionString</key>
<string>${MACOSX_BUNDLE_SHORT_VERSION_STRING}</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>${MACOSX_BUNDLE_BUNDLE_VERSION}</string>
<key>NSPrincipalClass</key>
<string/>
<key>NSHighResolutionCapable</key>
<true/>
<key>AudioComponents</key>
<array>
<dict>
<key>name</key>
<string>Free Audio : ${MACOSX_BUNDLE_BUNDLE_NAME}</string>
<key>description</key>
<string>${MACOSX_BUNDLE_BUNDLE_NAME} Clap to AU Wrapper</string>
<key>factoryFunction</key>
<string>wrapAsAUV2Factory</string>
<key>manufacturer</key>
<string>FrAD</string>
<key>subtype</key>
<string>WRPR</string>
<key>type</key>
<string>aumu</string>
<key>version</key>
<integer>1</integer>
<key>resourceUsage</key>
<dict>
<key>network.client</key>
<true/>
<key>temporary-exception.files.all.read-write</key>
<true/>
</dict>
</dict>
</array>
</dict>
</plist>
58 changes: 57 additions & 1 deletion cmake/enable_sdks.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
# set(CLAP_WRAPPER_OUTPUT_NAME "" CACHE STRING "The output name of the dynamically wrapped plugin")
set(CLAP_SDK_ROOT "" CACHE STRING "Path to CLAP SDK")
set(VST3_SDK_ROOT "" CACHE STRING "Path to VST3 SDK")
set(AUDIOUNIT_SDK_ROOT "" CACHE STRING "Path to the Apple AUV2 Audio Unit SDK")

function(DetectCLAP)
if(CLAP_SDK_ROOT STREQUAL "")
Expand All @@ -33,7 +34,7 @@ function(DetectCLAP)

cmake_path(CONVERT "${CLAP_SDK_ROOT}" TO_CMAKE_PATH_LIST CLAP_SDK_ROOT)

message(STATUS "clap-wrapper: CLAP SDK at ${CLAP_SDK_ROOT}")
message(STATUS "clap-wrapper: CLAP SDK location: ${CLAP_SDK_ROOT}")
set(CLAP_SDK_ROOT "${CLAP_SDK_ROOT}" PARENT_SCOPE)

endif()
Expand Down Expand Up @@ -181,6 +182,61 @@ DefineCLAPASVST3Sources()

#####################

function(DetectAudioUnitSDK)
if(AUDIOUNIT_SDK_ROOT STREQUAL "")
message(STATUS "clap-wrapper: searching AudioUnit SDK in \"${CMAKE_CURRENT_SOURCE_DIR}\"...")

if ( AUDIOUNIT_SDK_ROOT STREQUAL "" AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/libs/AudioUnitSDK")
set(AUDIOUNIT_SDK_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/libs/AudioUnitSDK")
message(STATUS "clap-wrapper: AudioUnit SDK detected in libs subdirectory")
endif()

if ( AUDIOUNIT_SDK_ROOT STREQUAL "" AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/AudioUnitSDK")
set(AUDIOUNIT_SDK_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/AudioUnitSDK")
message(STATUS "clap-wrapper: AudioUnit SDK detected in subdirectory")
endif()

if ( AUDIOUNIT_SDK_ROOT STREQUAL "" AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../AudioUnitSDK")
set(AUDIOUNIT_SDK_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/../AudioUnitSDK")
message(STATUS "clap-wrapper: AudioUnit SDK detected in parent subdirectory")
endif()

if(AUDIOUNIT_SDK_ROOT STREQUAL "")
message(FATAL_ERROR "Unable to detect AudioUnitSDK! Have you set -DCLAP_SDK_ROOT=/path/to/sdk?")
endif()

cmake_path(CONVERT "${AUDIOUNIT_SDK_ROOT}" TO_CMAKE_PATH_LIST AUDIOUNIT_SDK_ROOT)

message(STATUS "clap-wrapper: AudioUnit SDK location: ${AUDIOUNIT_SDK_ROOT}")
set(CLAP_SDK_ROOT "${AUDIOUNIT_SDK_ROOT}" PARENT_SCOPE)
else()
cmake_path(CONVERT "${AUDIOUNIT_SDK_ROOT}" TO_CMAKE_PATH_LIST AUDIOUNIT_SDK_ROOT)
message(STATUS "clap-wrapper: AudioUnit SDK location: ${AUDIOUNIT_SDK_ROOT}")
endif()
endfunction(DetectAudioUnitSDK)

if (APPLE)
if (${CLAP_WRAPPER_BUILD_AUV2})
DetectAudioUnitSDK()

set(AUSDK_SRC ${AUDIOUNIT_SDK_ROOT}/src/AudioUnitSDK)
add_library(auv2_sdk STATIC ${AUSDK_SRC}/AUBase.cpp
${AUSDK_SRC}/AUBuffer.cpp
${AUSDK_SRC}/AUBufferAllocator.cpp
${AUSDK_SRC}/AUEffectBase.cpp
${AUSDK_SRC}/AUInputElement.cpp
${AUSDK_SRC}/AUMIDIBase.cpp
${AUSDK_SRC}/AUMIDIEffectBase.cpp
${AUSDK_SRC}/AUOutputElement.cpp
${AUSDK_SRC}/AUPlugInDispatch.cpp
${AUSDK_SRC}/AUScopeElement.cpp
${AUSDK_SRC}/ComponentBase.cpp
${AUSDK_SRC}/MusicDeviceBase.cpp
)
target_include_directories(auv2_sdk PUBLIC ${AUDIOUNIT_SDK_ROOT}/include)
endif()
endif()

# define platforms

if (APPLE)
Expand Down
24 changes: 24 additions & 0 deletions src/wrapasauv2.cpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
//
// EmptyPlugIns.cpp
// EmptyPlugIns - this is just the empty plugin shell from the SDK for now
//

#include <AudioUnitSDK/MusicDeviceBase.h>

#if !defined(CLAP_AUSDK_BASE_CLASS)
#define CLAP_AUSDK_BASE_CLASS ausdk::MusicDeviceBase
#endif

struct wrapAsAUV2 : public CLAP_AUSDK_BASE_CLASS
{
using Base = CLAP_AUSDK_BASE_CLASS;

wrapAsAUV2(AudioComponentInstance ci) : Base{ci, 1, 1} {}
bool StreamFormatWritable(AudioUnitScope, AudioUnitElement) override { return true; }
bool CanScheduleParameters() const override { return false; }



};

AUSDK_COMPONENT_ENTRY(ausdk::AUMusicDeviceFactory, wrapAsAUV2)
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