From 0fa146ab7f5246050be8d9b983cdec2cbafb766b Mon Sep 17 00:00:00 2001 From: Richard Knight Date: Tue, 24 Aug 2021 22:50:36 +0100 Subject: initial --- .gitignore | 1 + CMakeLists.txt | 203 ++++++++++++++ LICENCE | 502 ++++++++++++++++++++++++++++++++++ Plugin.cmake | 14 + README.md | 91 +++++++ cmake/CompilerOptimizations.cmake | 53 ++++ cmake/Modules/FindADLMIDI.cmake | 34 +++ cmake/Modules/FindCsound.cmake | 62 +++++ examples/0-fltk_gui.csd | 169 ++++++++++++ examples/1-chord_sequence.csd | 104 +++++++ examples/2-random_params.csd | 58 ++++ examples/3-controlchanges.csd | 77 ++++++ include/handling.h | 54 ++++ src/opcodes.cpp | 559 ++++++++++++++++++++++++++++++++++++++ 14 files changed, 1981 insertions(+) create mode 100644 .gitignore create mode 100644 CMakeLists.txt create mode 100644 LICENCE create mode 100644 Plugin.cmake create mode 100644 README.md create mode 100644 cmake/CompilerOptimizations.cmake create mode 100644 cmake/Modules/FindADLMIDI.cmake create mode 100644 cmake/Modules/FindCsound.cmake create mode 100644 examples/0-fltk_gui.csd create mode 100644 examples/1-chord_sequence.csd create mode 100644 examples/2-random_params.csd create mode 100644 examples/3-controlchanges.csd create mode 100644 include/handling.h create mode 100644 src/opcodes.cpp diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..567609b --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +build/ diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..612d056 --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,203 @@ +# from https://github.com/csound/plugins : common CMake operations +cmake_minimum_required(VERSION 2.8.12) +project(Csound-plugins) + +if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang") + set(CMAKE_COMPILER_IS_CLANG 1) +endif() + +# C++11 needed +if(NOT MSVC) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") +endif() + +set(APIVERSION "6.0") + +set(CMAKE_MACOSX_RPATH 1) +set(CMAKE_VERBOSE_MAKEFILE ON) +set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/") + +include(TestBigEndian) +include(CheckFunctionExists) +include(CheckCCompilerFlag) +include(CheckCXXCompilerFlag) + +### COMPILER OPTIMIZATION FLAGS +option(USE_COMPILER_OPTIMIZATIONS "Use the default Csound compiler optimization flags" ON) +if(USE_COMPILER_OPTIMIZATIONS) + include(${CMAKE_SOURCE_DIR}/cmake/CompilerOptimizations.cmake) +endif() + +if(APPLE) + set(OSX_VERSION " ") +endif() + +## USER OPTIONS ## +# Optional targets, they should all default to ON (check_deps will disable them if not possible to build) +option(USE_DOUBLE "Set to use double-precision floating point for audio samples." ON) +option(USE_LRINT "Use lrint/lrintf for converting floating point values to integers." ON) +option(BUILD_RELEASE "Build for release" ON) +option(USE_GIT_COMMIT "Show the git commit in version information" ON) + +# in Release configuration, set NDEBUG +if(${CMAKE_BUILD_TYPE} MATCHES "Release") +message("-----> Release mode") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNDEBUG") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DNDEBUG") +elseif(${CMAKE_BUILD_TYPE} MATCHES "Debug") +message("-----> Debug mode") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBETA") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBETA") +endif() + +# set -Werror if in Debug configuration +if(NOT MSVC AND NOT WASM) + set(CMAKE_CXX_FLAGS_RELEASE "-O3 ") + set(CMAKE_C_FLAGS_RELEASE "-O3 ") + if(${CMAKE_BUILD_TYPE} MATCHES "Debug") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -Wno-missing-field-initializers") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror -Wno-missing-field-initializers") + endif() +endif() + + +if(CMAKE_SYSTEM_NAME MATCHES "Linux") + set(LINUX YES) +else() + set(LINUX NO) +endif() + +set(BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}) + +check_c_compiler_flag(-fvisibility=hidden HAS_VISIBILITY_HIDDEN) +check_cxx_compiler_flag(-fvisibility=hidden HAS_CXX_VISIBILITY_HIDDEN) +if (HAS_VISIBILITY_HIDDEN) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden") +endif() +if (HAS_CXX_VISIBILITY_HIDDEN) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden") +endif() + +check_c_compiler_flag(-std=gnu99 HAS_GNU99) +if (HAS_GNU99) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99") +endif() +if (HAS_CXX_VISIBILITY_HIDDEN) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden") +endif() + +find_package(Csound) + +option(USE_LIB64 "Set to on to set installation directory for libraries to lib64" OFF) +if(USE_LIB64) + set(LIBRARY_INSTALL_DIR "lib64") + add_definitions("-DLIB64") +else() + set(LIBRARY_INSTALL_DIR "lib") +endif() +message(STATUS "LIBRARY INSTALL DIR: ${LIBRARY_INSTALL_DIR}") + +if(USE_DOUBLE) + message(STATUS "Building with 64-bit floats") + set(PLUGIN_INSTALL_DIR "${LIBRARY_INSTALL_DIR}/csound/plugins64-${APIVERSION}") + if(APPLE) + set(PLUGIN_INSTALL_DIR "${CS_FRAMEWORK_DEST}/${CSOUNDLIB}.framework/Versions/${APIVERSION}/Resources/Opcodes64") + endif() +else() + message(STATUS "Building with 32-bit floats") + set(PLUGIN_INSTALL_DIR "${LIBRARY_INSTALL_DIR}/csound/plugins-${APIVERSION}") + if(APPLE) + set(PLUGIN_INSTALL_DIR "${CS_FRAMEWORK_DEST}/${CSOUNDLIB}.framework/Versions/${APIVERSION}/Resources/Opcodes") + endif() +endif() + + +# Checks if dependencies for an enabled target are fulfilled. +# If FAIL_MISSING is true and the dependencies are not fulfilled, +# it will abort the cmake run. +# If FAIL_MISSING is false, it will set the option to OFF. +# If the target is not enabled, it will do nothing. +# example: check_deps(BUILD_NEW_PARSER FLEX_EXECUTABLE BISON_EXECUTABLE) +function(check_deps option) + if(${option}) + set(i 1) + while( ${i} LESS ${ARGC} ) + set(dep ${ARGV${i}}) + if(NOT ${dep}) + if(FAIL_MISSING) + message(FATAL_ERROR + "${option} is enabled, but ${dep}=\"${${dep}}\"") + else() + message(STATUS "${dep}=\"${${dep}}\", so disabling ${option}") + set(${option} OFF PARENT_SCOPE) + # Set it in the local scope too + set(${option} OFF) + endif() + endif() + math(EXPR i "${i}+1") + endwhile() + endif() + if(${option}) + message(STATUS "${option} is enabled.") + else() + message(STATUS "${option} is disabled.") + endif() +endfunction(check_deps) + +# Utility function to make plugins. All plugin targets should use this as it +# sets up output directory set in top-level CmakeLists.txt +# and adds the appropriate install target +# +# libname - name of library to produce +# srcs - list of src files (must be quoted if a list) +# extralibs (OPTIONAL) - extra libraries to link the plugin to +# +# NB - this was moved here as it needs some VARS defined above +# for setting up the framework +function(make_plugin libname srcs) + if(APPLE) + add_library(${libname} SHARED ${srcs}) + else() + add_library(${libname} MODULE ${srcs}) + endif() + + set(i 2) + while( ${i} LESS ${ARGC} ) + target_link_libraries(${libname} ${ARGV${i}}) + math(EXPR i "${i}+1") + endwhile() + + set_target_properties(${libname} PROPERTIES + RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} + LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} + ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) + + install(TARGETS ${libname} + LIBRARY DESTINATION "${PLUGIN_INSTALL_DIR}" + ARCHIVE DESTINATION "${PLUGIN_INSTALL_DIR}" ) +endfunction(make_plugin) + +# Linux does not have a separate libintl, it is part of libc +set(LIBINTL_AVAIL (LIBINTL_LIBRARY OR LINUX)) + +if(LINUX) + message(STATUS "Building on Linux.") + add_definitions(-DLINUX -DPIPES -D_GNU_SOURCE -DHAVE_SOCKETS) + list(APPEND libcsound_LIBS ${MATH_LIBRARY} dl) + +endif() + +if(APPLE AND NOT IOS) + message(STATUS "Building on OSX") + add_definitions(-DMACOSX -DPIPES -DNO_FLTK_THREADS -DHAVE_SOCKETS) + find_library(ACCELERATE_LIBRARY Accelerate) + find_path(VECLIB_PATH "Accelerate/Accelerate.h") + include_directories(${VECLIB_PATH}) + list(APPEND libcsound_LIBS ${MATH_LIBRARY} dl ${ACCELERATE_LIBRARY}) +endif() + +if(WIN32) + add_definitions(-DWIN32) +endif() + +include(Plugin.cmake) diff --git a/LICENCE b/LICENCE new file mode 100644 index 0000000..de9fd5a --- /dev/null +++ b/LICENCE @@ -0,0 +1,502 @@ + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 + + Copyright (C) 1991, 1999 Free Software Foundation, Inc. + 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the Lesser GPL. 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You can do so by permitting +redistribution under these terms (or, alternatively, under the terms of the +ordinary General Public License). + + To apply these terms, attach the following notices to the library. It is +safest to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least the +"copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +Also add information on how to contact you by electronic and paper mail. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the library, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + , 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! diff --git a/Plugin.cmake b/Plugin.cmake new file mode 100644 index 0000000..83586f6 --- /dev/null +++ b/Plugin.cmake @@ -0,0 +1,14 @@ +set(PLUGIN_NAME adlmidi) +set(INCLUDES "include" ${CSOUND_INCLUDE_DIRS}) +set(LIBS "") + +# Dependencies +find_package(ADLMIDI) +check_deps(ADLMIDI_FOUND) +list(APPEND LIBS ${ADLMIDI_LIBRARY}) +list(APPEND INCLUDES ${ADLMIDI_INCLUDE_DIR}) + +# Source files +set(CPPFILES src/opcodes.cpp) +make_plugin(${PLUGIN_NAME} "${CPPFILES}" ${LIBS}) +target_include_directories(${PLUGIN_NAME} PRIVATE ${INCLUDES}) diff --git a/README.md b/README.md new file mode 100644 index 0000000..c2772c3 --- /dev/null +++ b/README.md @@ -0,0 +1,91 @@ +# csound-opl3 : OPL3 emulation for Csound + +## Overview +Description here + +## Requirements +* Cmake >= 2.8.12 +* Csound with development headers +* libADLMIDI (https://github.com/Wohlstand/libADLMIDI) + + + +## Installation +Create a build directory at the top of the source tree, execute *cmake ..*, *make* and optionally *make install* as root. If the latter is not used/possible then the resulting library can be used with the *--opcode-lib* flag in Csound. +eg: + + mkdir build && cd build + cmake .. + make && sudo make install + +Cmake should find Csound and any other required libraries using the modules in the cmake/Modules directory and installation should be as simple as above. + + +## Notes +Multiple types of OPL3 emulation are provided as in libADLMIDI. These are: +* DOSBox : fast and quite accurate +* Nuked : Very accurate, very CPU intensive + +All parameter ranges are representative of the original OPL3 chip which used 8-bit registers, hence ranges such as 0 - 15 and 0 - 3. +The parameters are all integers, so for example with attack, there are actually only 16 possible attack times. Any floating point numbers passed will just +be converted accordingly. + + +## Examples +Some examples are provided in the examples directory. + + +## Opcode reference + +### ioplhandle, aleft, aright opl [iemulation=0, irunatpcmrate=0] +Create an instance of the emulated OPL3 synthesiser. + +* ioplhandle : handle to be used in other opcodes to control synthesis +* aleft, aright : stereo audio outputs + +* iemulation : OPL3 chip emulation type (0 = DOSBox, 1 = Nuked_1.8, 2=Nuked_1.74, 3=Opal, 4=Java) +* irunatpcmrate : run emulation at PCM rate; setting to 1 may reduce CPU usage but lessen emulation accuracy + + +### oplnote ioplhandle, ichannel, inote, ivelocity +Play a note using the synthesiser specified by ioplhandle. + +* ioplhandle : handle created by the opl opcode +* ichannel : channel for playback (0 - 15) +* inote : midi note number to play +* ivelocity : midi note velocity (0 - 127) + + +### iop1, iop2, iop3, iop4 oplinstrument ioplhandle, kfeedback ETC +Modify the current instrument parameters and obtain handles to all four operators (oscillators) for further manipulation with the oploperator opcode. + +* iop1, iop2, iop3, iop4 : handles for the individual operators to be used by the oploperator opcode. + + +### oploperator iop, klevel, kscale, kattack, kdecay, ksustain, krelease, kwave, kfreqmul, ktrem, kvib, ksus, kenv +Alter individual operator parameters. Out of range parameters will wrap around. + +* iop : handle for the specific operator as provided by the oplinstrument opcode + +* klevel : gain level (0 - 63) +* kscale : key scale (0 - 3) +* kattack : attack time (0 - 15) +* kdecay : decay time (0 - 15) +* ksustain : sustain time (0 - 15) +* krelease : release time (0 - 15) +* kwave : waveform (0 - 7) +* kfreqmul : frequency multiplier (0 - 15) +* ktrem : tremolo switch (0 - 1) +* kvib : vibrato switch (0 - 1) +* ksus : sustaining switch (0 - 1) +* kenv : key envelope switch (0 - 1) + + + +### oplpanic ioplhandle +Terminate all current notes for the given opl instance. + +* ioplhandle : handle created by the opl opcode + + + diff --git a/cmake/CompilerOptimizations.cmake b/cmake/CompilerOptimizations.cmake new file mode 100644 index 0000000..543daf8 --- /dev/null +++ b/cmake/CompilerOptimizations.cmake @@ -0,0 +1,53 @@ + +check_c_compiler_flag(-ftree-vectorize HAS_TREE_VECTORIZE) +check_cxx_compiler_flag(-ftree-vectorize HAS_CXX_TREE_VECTORIZE) +if (HAS_TREE_VECTORISE) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ftree-vectorize") +endif() +if (HAS_CXX_TREE_VECTORISE) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftree-vectorize") +endif() + + +check_c_compiler_flag(-ffast-math HAS_FAST_MATH) +check_cxx_compiler_flag(-ffast-math HAS_CXX_FAST_MATH) +if (HAS_FAST_MATH AND NOT MINGW) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffast-math") +endif() +if (HAS_CXX_FAST_MATH AND NOT MINGW) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math") +endif() + + + +if(NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") +check_c_compiler_flag(-mfpmath=sse HAS_FPMATH_SSE) +check_cxx_compiler_flag(-mfpmath=sse HAS_CXX_FPMATH_SSE) + if (HAS_FPMATH_SSE) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse") +endif() +if (HAS_CXX_FPMATH_SSE) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse") +endif() + +endif() + + +check_c_compiler_flag(-msse2 HAS_SSE2) +check_cxx_compiler_flag(-msse2 HAS_CXX_SSE2) + if (HAS_SSE2 AND NOT IOS AND NOT WASM) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse2") +endif() +if (HAS_CXX_SSE2 AND NOT IOS AND NOT WASM) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2") +endif() + + +check_c_compiler_flag(-fomit-frame-pointer HAS_OMIT_FRAME_POINTER) +check_cxx_compiler_flag(-fomit-frame-pointer HAS_CXX_OMIT_FRAME_POINTER) +if (HAS_OMIT_FRAME_POINTER) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fomit-frame-pointer") +endif() +if (HAS_CXX_OMIT_FRAME_POINTER) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fomit-frame-pointer") +endif() diff --git a/cmake/Modules/FindADLMIDI.cmake b/cmake/Modules/FindADLMIDI.cmake new file mode 100644 index 0000000..91bbe61 --- /dev/null +++ b/cmake/Modules/FindADLMIDI.cmake @@ -0,0 +1,34 @@ +# This module defines +# ADLMIDI_LIBRARY, the name of the library to link against +# ADLMIDI_FOUND, if false, do not try to link to ADLMIDI +# ADLMIDI_INCLUDE_DIR, where to find adlmidi.h +# + +SET(ADLMIDI_SEARCH_PATHS + ~/Library/Frameworks + /Library/Frameworks + /usr/local + /usr + /sw # Fink + /opt/local # DarwinPorts + /opt/csw # Blastwave + /opt +) + +FIND_PATH(ADLMIDI_INCLUDE_DIR adlmidi.h) + +if(CMAKE_SIZEOF_VOID_P EQUAL 8) + set(PATH_SUFFIXES lib64 lib/x64 lib) +else() + set(PATH_SUFFIXES lib/x86 lib) +endif() + +FIND_LIBRARY(ADLMIDI_LIBRARY + NAMES ADLMIDI + PATH_SUFFIXES ${PATH_SUFFIXES} + PATHS ${ADLMIDI_SEARCH_PATHS} +) + +INCLUDE(FindPackageHandleStandardArgs) + +FIND_PACKAGE_HANDLE_STANDARD_ARGS(ADLMIDI REQUIRED_VARS ADLMIDI_LIBRARY ADLMIDI_INCLUDE_DIR) diff --git a/cmake/Modules/FindCsound.cmake b/cmake/Modules/FindCsound.cmake new file mode 100644 index 0000000..24c90d9 --- /dev/null +++ b/cmake/Modules/FindCsound.cmake @@ -0,0 +1,62 @@ +# Try to find the Csound library. +# Once done this will define: +# CSOUND_FOUND - System has the Csound library +# CSOUND_INCLUDE_DIRS - The Csound include directories. +# CSOUND_LIBRARIES - The libraries needed to use the Csound library. + +# RKnight 2021-07-21 : quick copy paste hack to deal with 32 bit if not using double + +if(USE_DOUBLE) + # 64 bit + if(APPLE) + find_path(CSOUND_INCLUDE_DIR csound.h HINTS /Library/Frameworks/CsoundLib64.framework/Headers + "$ENV{HOME}/Library/Frameworks/CsoundLib64.framework/Headers") + elseif(WIN32) + find_path(CSOUND_INCLUDE_DIR csound.h PATH_SUFFIXES csound + HINTS "c:\\Program Files\\Csound6_x64\\include") + else() + find_path(CSOUND_INCLUDE_DIR csound.h PATH_SUFFIXES csound) + endif() + + if(APPLE) + find_library(CSOUND_LIBRARY NAMES CsoundLib64 HINTS /Library/Frameworks/CsoundLib64.framework/ + "$ENV{HOME}/Library/Frameworks/CsoundLib64.framework") + elseif(WIN32) + find_library(CSOUND_LIBRARY NAMES csound64 HINTS "c:\\Program Files\\Csound6_x64\\lib") + else() + find_library(CSOUND_LIBRARY NAMES csound64 csound) + endif() + +else() + # 32 bit + if(APPLE) + find_path(CSOUND_INCLUDE_DIR csound.h HINTS /Library/Frameworks/CsoundLib.framework/Headers + "$ENV{HOME}/Library/Frameworks/CsoundLib.framework/Headers") + elseif(WIN32) + find_path(CSOUND_INCLUDE_DIR csound.h PATH_SUFFIXES csound + HINTS "c:\\Program Files (x86)\\Csound6\\include") + else() + find_path(CSOUND_INCLUDE_DIR csound.h PATH_SUFFIXES csound) + endif() + + if(APPLE) + find_library(CSOUND_LIBRARY NAMES CsoundLib HINTS /Library/Frameworks/CsoundLib.framework/ + "$ENV{HOME}/Library/Frameworks/CsoundLib.framework") + elseif(WIN32) + find_library(CSOUND_LIBRARY NAMES csound HINTS "c:\\Program Files (x86)\\Csound6\\lib") + else() + find_library(CSOUND_LIBRARY NAMES csound csound) + endif() + +endif() + + +include(FindPackageHandleStandardArgs) +# handle the QUIETLY and REQUIRED arguments and set CSOUND_FOUND to TRUE +# if all listed variables are TRUE +find_package_handle_standard_args(CSOUND + CSOUND_LIBRARY CSOUND_INCLUDE_DIR) +mark_as_advanced(CSOUND_INCLUDE_DIR CSOUND_LIBRARY) + +set(CSOUND_INCLUDE_DIRS ${CSOUND_INCLUDE_DIR}) +set(CSOUND_LIBRARIES ${CSOUND_LIBRARY} ) diff --git a/examples/0-fltk_gui.csd b/examples/0-fltk_gui.csd new file mode 100644 index 0000000..d81a48a --- /dev/null +++ b/examples/0-fltk_gui.csd @@ -0,0 +1,169 @@ + + +-odac +-+rtmidi=virtual -M0 + +; ============================================== + + +sr = 44100 +kr = 4410 +nchnls = 2 +0dbfs = 1 +seed 0 + +gkop[][] init 4, 12 +giop[][] init 4, 12 +gkinstr[] init 8 +giinstr[] init 8 +giopwidth = 200 +gidiv = 60 + +opcode operator, 0, i + iop xin + ix = giopwidth * iop + iy = 0 + ihl FLbox sprintf("OP%d", iop+1), 1, 2, 14, giopwidth, 30, ix, iy + gkop[iop][0], giop[iop][0] FLslider "Level", 0, 63, 0, 1, -1, giopwidth, 30, ix, iy+(gidiv*1) + gkop[iop][1], giop[iop][1] FLslider "Key scale", 0, 3, 0, 1, -1, giopwidth, 30, ix, iy+(gidiv*2) + gkop[iop][2], giop[iop][2] FLslider "Attack", 0, 15, 0, 1, -1, giopwidth, 30, ix, iy+(gidiv*3) + gkop[iop][3], giop[iop][3] FLslider "Decay", 0, 15, 0, 1, -1, giopwidth, 30, ix, iy+(gidiv*4) + gkop[iop][4], giop[iop][4] FLslider "Sustain", 0, 15, 0, 1, -1, giopwidth, 30, ix, iy+(gidiv*5) + gkop[iop][5], giop[iop][5] FLslider "Release", 0, 15, 0, 1, -1, giopwidth, 30, ix, iy+(gidiv*6) + gkop[iop][6], giop[iop][6] FLslider "Waveform", 0, 7, 0, 1, -1, giopwidth, 30, ix, iy+(gidiv*7) ;; TODO have as scrollbox/text + gkop[iop][7], giop[iop][7] FLslider "Frequency multiplier", 0, 15, 0, 1, -1, giopwidth, 30, ix, iy+(gidiv*8) + gkop[iop][8], giop[iop][8] FLbutton "Tremolo", 1, 0, 3, giopwidth/2, 30, ix, iy+(gidiv*9), -1 + gkop[iop][9], giop[iop][9] FLbutton "Vibrato", 1, 0, 3, giopwidth/2, 30, ix+(giopwidth/2), iy+(gidiv*9), -1 + gkop[iop][10], giop[iop][10] FLbutton "Sustaining", 1, 0, 3, giopwidth/2, 30, ix, iy+(gidiv*9.5), -1 + gkop[iop][11], giop[iop][11] FLbutton "Key env", 1, 0, 3, giopwidth/2, 30, ix+(giopwidth/2), iy+(gidiv*9.5), -1 + +endop + +opcode randomise, 0, 0 + iop = 0 + while (iop < 4) do + FLsetVal_i random(30, 63), giop[iop][0] + FLsetVal_i random(0, 3), giop[iop][1] + FLsetVal_i random(0, 15), giop[iop][2] + FLsetVal_i random(0, 15), giop[iop][3] + FLsetVal_i random(0, 15), giop[iop][4] + FLsetVal_i random(0, 15), giop[iop][5] + FLsetVal_i random(0, 7), giop[iop][6] + FLsetVal_i random(0, 15), giop[iop][7] + FLsetVal_i random(0, 1), giop[iop][8] + FLsetVal_i random(0, 1), giop[iop][9] + FLsetVal_i random(0, 1), giop[iop][10] + FLsetVal_i random(0, 1), giop[iop][11] + iop += 1 + od + FLsetVal_i random(0, 7), giinstr[2] + FLsetVal_i random(0, 7), giinstr[3] +endop + +instr gui + FLpanel "OPL3", 1000, 768 + operator 0 + operator 1 + operator 2 + operator 3 + ix = 800 + iy = 0 + ihl FLbox "Globals", 1, 2, 14, giopwidth, 30, ix, iy + gkinstr[0], giinstr[0] FLbutton "Mode 1/2 AM", 1, 0, 3, giopwidth/2, 30, ix, iy+(gidiv), -1 + gkinstr[1], giinstr[1] FLbutton "Mode 3/4 AM", 1, 0, 3, giopwidth/2, 30, ix+(giopwidth/2), iy+(gidiv), -1 + gkinstr[2], giinstr[2] FLslider "Feedback 1/2", 0, 7, 0, 1, -1, giopwidth, 30, ix, iy+(gidiv*2) + gkinstr[3], giinstr[3] FLslider "Feedback 3/4", 0, 7, 0, 1, -1, giopwidth, 30, ix, iy+(gidiv*3) + gkinstr[4], giinstr[4] FLbutton "4OP", 1, 0, 3, giopwidth/2, 30, ix, iy+(gidiv*4), 0, nstrnum("fouroptrig"), 0, 1 + gkinstr[5], giinstr[5] FLbutton "Pseudo 4OP", 1, 0, 3, giopwidth/2, 30, ix+(giopwidth/2), iy+(gidiv*4), 0, nstrnum("fouroptrig"), 0, 1 + gkinstr[6], giinstr[6] FLbutton "Deep vib", 1, 0, 3, giopwidth/2, 30, ix, iy+(gidiv*4.5), -1 + gkinstr[7], giinstr[7] FLbutton "Deep trem", 1, 0, 3, giopwidth/2, 30, ix+(giopwidth/2), iy+(gidiv*4.5), -1 + knull0, inull0 FLbutton "Randomise", 1, 0, 1, giopwidth, 30, ix, iy+(gidiv*5), 0, nstrnum("randomiser"), 0, 1 + knull1, inull1 FLbutton "Panic", 1, 0, 1, giopwidth, 30, ix, iy+(gidiv*6), 0, nstrnum("panic"), 0, 1 + FLpanelEnd + FLrun + event_i "i", "fouropset", 0, 1, 0 +endin + + + +instr fouroptrig + kstate = 0 + if (gkinstr[4] == 1 || gkinstr[5] == 1) then + kstate = 1 + endif + event "i", "fouropset", 0, 1, kstate + turnoff +endin + +instr fouropset + istate = p4 + iop = 2 + while (iop <= 3) do + idx = 0 + while (idx < 12) do + ihandle = giop[iop][idx] + if (istate == 0) then + FLhide ihandle + else + FLshow ihandle + endif + idx += 1 + od + iop += 1 + od +endin + +instr randomiser + randomise + turnoff +endin + +instr main + giopl, aL, aR opl 5 + outs aL, aR + + + iop1, iop2, iop3, iop4 oplinstrument giopl, gkinstr[0], gkinstr[1], gkinstr[2], gkinstr[3], gkinstr[4], gkinstr[5], gkinstr[6], gkinstr[7] + + + ; level, keyscale, attack, decay + kattack init 2 + kdecay init 13 + + oploperator iop1, gkop[0][0], gkop[0][1], gkop[0][2], gkop[0][3], gkop[0][4], gkop[0][5], gkop[0][6], gkop[0][7], gkop[0][8], gkop[0][9], gkop[0][10], gkop[0][11] + oploperator iop2, gkop[1][0], gkop[1][1], gkop[1][2], gkop[1][3], gkop[1][4], gkop[1][5], gkop[1][6], gkop[1][7], gkop[1][8], gkop[1][9], gkop[1][10], gkop[1][11] + oploperator iop3, gkop[2][0], gkop[2][1], gkop[2][2], gkop[2][3], gkop[2][4], gkop[2][5], gkop[2][6], gkop[2][7], gkop[2][8], gkop[2][9], gkop[2][10], gkop[2][11] + oploperator iop4, gkop[3][0], gkop[3][1], gkop[3][2], gkop[3][3], gkop[3][4], gkop[3][5], gkop[3][6], gkop[3][7], gkop[3][8], gkop[3][9], gkop[3][10], gkop[3][11] + +endin + + +instr 2 + ;inotes[] fillarray 48, 52, 53, 57, 60, 64, 65, 69 + ;inote = 56;inotes[int(random(0, lenarray(inotes)-1))]-36 + oplnote giopl, 0, 60, 120 + oplnote giopl, 0, 64, 120 + oplnote giopl, 0, 65, 120 + oplnote giopl, 0, 69, 120 + +endin + +instr 1 + inote notnum + iveloc veloc + oplnote giopl, 0, inote, iveloc +endin + +instr panic + oplpanic giopl +endin + + + +; ============================================== + +i"main" 0 3600 +i"gui" 0 3600 + + + diff --git a/examples/1-chord_sequence.csd b/examples/1-chord_sequence.csd new file mode 100644 index 0000000..38e0ed6 --- /dev/null +++ b/examples/1-chord_sequence.csd @@ -0,0 +1,104 @@ + + +-odac + + + +sr = 44100 +kr = 4410 +nchnls = 2 +0dbfs = 1 + +giopl init 0 + +instr main + giopl, aL, aR opl + outs aL, aR + + oplpatchchange giopl, 0, 89 + oplpatchchange giopl, 1, 12 + oplpatchchange giopl, 2, 72 + oplpatchchange giopl, 3, 96 + + event_i "i", "sequencer", 0, p3 +endin + + +opcode playchord, 0, kkkk[]kk + kinstr, kduration, kbase, kintervals[], ktimeinc, kreadmode xin + ktime = 0 + + if (kreadmode == 0) then + kdx = 0 + while (kdx < lenarray(kintervals)) do + event "i", kinstr, ktime, kduration, kbase+kintervals[kdx] + ktime += ktimeinc + kdx += 1 + od + else + kdx = lenarray(kintervals) - 1 + while (kdx > -1) do + event "i", kinstr, ktime, kduration, kbase+kintervals[kdx] + ktime += ktimeinc + kdx -= 1 + od + endif +endop + +instr sequencer + itempo = 120 + ibeatduration = 60/itempo + kintervals[] fillarray 0, 4, 5, 9 + knotes[] fillarray 50, 54, 56, 48 + knotedx init 0 + kbeat metro itempo/60 + kbar0 init 0 + if (kbeat == 1) then + if (kbar0 == 0) then + playchord 3, ibeatduration*4, knotes[knotedx], kintervals, 0, 0 + elseif (kbar0 == 1) then + playchord 2, ibeatduration, knotes[knotedx], kintervals, ibeatduration/4, 0 + elseif (kbar0 == 2) then + playchord 1, ibeatduration, knotes[knotedx]+12, kintervals, 0, 0 + elseif (kbar0 == 3) then + playchord 4, ibeatduration, knotes[knotedx]+12, kintervals, ibeatduration/4, 1 + endif + + if (kbar0 < 3) then + kbar0 += 1 + else + if (knotedx < 3) then + knotedx += 1 + else + knotedx = 0 + endif + kbar0 = 0 + endif + endif +endin + + +instr 1 + oplnote giopl, 0, p4, 120 +endin + +instr 2 + oplnote giopl, 1, p4, 100 +endin + +instr 3 + oplnote giopl, 2, p4, 100 +endin + +instr 4 + oplnote giopl, 3, p4, 100 +endin + + +; ============================================== + +i"main" 0 3600 + + + + diff --git a/examples/2-random_params.csd b/examples/2-random_params.csd new file mode 100644 index 0000000..37b951d --- /dev/null +++ b/examples/2-random_params.csd @@ -0,0 +1,58 @@ + + +-odac + +; ============================================== + + +sr = 44100 +kr = 4410 +nchnls = 2 +0dbfs = 1 +seed 0 + + +instr main + giopl, aL, aR opl 0 + outs aL, aR + + kmetro metro 1 + schedkwhen kmetro, 0, 0, 2, 0, 1 + + iop1, iop2, iop3, iop4 oplinstrument giopl, int:k(random:k(0, 2)), int:k(random:k(0, 2)), random:k(0, 7), random:k(0, 7), 1, 1, int:k(random:k(0, 2)), int:k(random:k(0, 2)) + + + ; level, keyscale, attack, decay + kattack init 2 + kdecay init 13 +;0 -15 freq mult + oploperator iop1, random:k(60, 63), random:k(0, 3), random:k(0, 15), random:k(0, 15), random:k(0, 15), random:k(0, 1), random:k(0, 7), 0, random:k(0, 2), random:k(0, 2), random:k(0, 2), random:k(0, 2) + oploperator iop2, random:k(60, 63), random:k(0, 3), random:k(0, 15), random:k(0, 15), random:k(0, 15), random:k(0, 1), random:k(0, 7), 0, random:k(0, 2), random:k(0, 2), random:k(0, 2), random:k(0, 2) + oploperator iop3, random:k(60, 63), random:k(0, 3), random:k(0, 15), random:k(0, 15), random:k(0, 15), random:k(0, 1), random:k(0, 7), 0, random:k(0, 2), random:k(0, 2), random:k(0, 2), random:k(0, 2) + oploperator iop4, random:k(60, 63), random:k(0, 3), random:k(0, 15), random:k(0, 15), random:k(0, 15), random:k(0, 1), random:k(0, 7), 0, random:k(0, 2), random:k(0, 2), random:k(0, 2), random:k(0, 2) +endin + + +instr 2 + inotes[] fillarray 48, 52, 53, 57 + inote = inotes[int(random(0, lenarray(inotes)-1))]+24 + oplnote giopl, 0, inote, 120 +endin + +instr 3 + inote = 48+24 + oplnote giopl, 1, inote, 120 + oplnote giopl, 1, inote+4, 120 + oplnote giopl, 1, inote+5, 120 + oplnote giopl, 1, inote+9, 120 +endin + + + + +; ============================================== + +i"main" 0 3600 + + + diff --git a/examples/3-controlchanges.csd b/examples/3-controlchanges.csd new file mode 100644 index 0000000..93749b1 --- /dev/null +++ b/examples/3-controlchanges.csd @@ -0,0 +1,77 @@ + + +-odac -m0 + + + +sr = 44100 +kr = 4410 +nchnls = 2 +0dbfs = 1 +seed 0 + + +instr main + giopl, aL, aR opl + outs aL, aR + gSbanks[] oplbanknames giopl + + index = 0 + itime = 0 + inote = 0 + inotes[] fillarray 50, 52, 64, 56, 53, 59, 62 + while (index < lenarray(gSbanks)) do + event_i "i", "play", itime, 2, index, inotes[inote], 0 + if (inote < lenarray(inotes)-1) then + inote += 1 + else + inote = 0 + endif + if (random(0, 1) > 0.5) then + event_i "i", "play", itime+0.5, 0.5, index, inotes[inote], 1 + endif + itime += 1 + index += 1 + od + p3 = itime +endin + + +instr play + ibank = p4 + inote = p5 + ichannel = p6 + ipatch random 0, 127 + prints sprintf("%d-%d (%s)\n", ibank, ipatch, gSbanks[ibank]) + if (ichannel == 0) then + oplsetbank giopl, ibank + endif + oplpatchchange giopl, ichannel, ipatch + oplnote giopl, ichannel, inote, 100 + event_i "i", "cc", p3*0.5, p3*0.5, ichannel +endin + + +instr cc + ichannel = p4 + if (random(0, 1) > 0.6) then + ibend = (random(0, 1) > 0.5) ? 1 : -1 + kbend linseg 0, p3*0.7, 0, p3*0.29, ibend, p3*0.01, 0 + oplpitchbend giopl, ichannel, kbend + endif + + + if (random(0, 1) > 0.6) then + kmod linseg 0, p3*0.7, 255, p3*0.3, 0 + oplcontrolchange giopl, ichannel, 1, kmod + endif +endin + + + +; ============================================== + +i"main" 0 3600 + + + diff --git a/include/handling.h b/include/handling.h new file mode 100644 index 0000000..706ffb1 --- /dev/null +++ b/include/handling.h @@ -0,0 +1,54 @@ +/* + handling.h + Copyright (C) 2021 Richard Knight + + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 3 of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + + */ +#include + +const char* handleIdentifier = "::hnd%d"; + + +/* + * Obtain global object of typename from global variables by handle + */ +template +T* getHandle(csnd::Csound* csound, MYFLT handle) { + char buffer[32]; + snprintf(buffer, 32, handleIdentifier, (int)handle); + return (T*) csound->query_global_variable(buffer); +} + + +/* + * Create global object of typename in global variables, returning handle + */ +template +MYFLT createHandle(csnd::Csound* csound, T** data) { + char buffer[32]; + int handle = 0; + snprintf(buffer, 32, handleIdentifier, handle); + while ((*data = (T*) csound->query_global_variable(buffer)) != NULL) { + snprintf(buffer, 32, handleIdentifier, ++handle); + } + csound->create_global_variable(buffer, sizeof(T)); + *data = (T*) csound->query_global_variable(buffer); + + return FL(handle); +} + + diff --git a/src/opcodes.cpp b/src/opcodes.cpp new file mode 100644 index 0000000..7b38c80 --- /dev/null +++ b/src/opcodes.cpp @@ -0,0 +1,559 @@ +/* + opcodes.cpp + Copyright (C) 2021 Richard Knight + + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 3 of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + + */ +#include +#include +#include "handling.h" +#include "adlmidi.h" +/* sources referenced for bit shift/convert operations etc + * https://github.com/jpcima/ADLplug/blob/master/sources/opl3/parameter_block.cc + * https://github.com/jpcima/ADLplug/blob/master/sources/opl3/adl/instrument.h + * https://github.com/jpcima/ADLplug/blob/master/sources/utility/field_bitops.h + */ + + +static const char* badHandle = "opl handle is not valid"; + +/* + * core struct for passing between opcodes as a handle + */ +struct ADLSession { + ADL_MIDIPlayer* device = NULL; + bool changed; +}; + +/* + * operator struct for passing between oplinstrument and oploperator opcodes + */ +struct ADLSessionOperator { + ADLSession* session; + ADL_Operator* op; +}; + +/* + * bit conversion for decimal to OPL chipset values + */ +static int bitconvert(int shiftb, int size, int current, MYFLT value) { + int mask = (1 << size) - 1; + return (current & ~(mask << shiftb)) | (( ((int)value) & mask) << shiftb); +} + +/* + * bit conversion for decimal to OPL chipset values, inverse + */ +static int bitconvert_inv(int shiftb, int size, ADL_UInt8 current, MYFLT value) { + int max = ((1 << size) - 1); + return bitconvert(shiftb, size, current, max - value); +} + +/* + * opcode: opl + * handle the libADLMIDI instance and output audio + */ +struct opl : csnd::Plugin<3, 2> { + static constexpr char const *otypes = "iaa"; + static constexpr char const *itypes = "oo"; + + ADLSession* session; + short* out; + + int init() { + csound->plugin_deinit(this); + outargs[0] = createHandle(csound, &session); + + session->device = adl_init(csound->sr()); + if (session->device == NULL) { + return csound->init_error(adl_errorString()); + } + int status = 0; + if (inargs[0] == FL(0)) { + status = adl_switchEmulator(session->device, ADLMIDI_EMU_DOSBOX); + } else if (inargs[0] == FL(1)) { + status = adl_switchEmulator(session->device, ADLMIDI_EMU_NUKED); + } else if (inargs[0] == FL(2)) { + status = adl_switchEmulator(session->device, ADLMIDI_EMU_NUKED_174); + } else if (inargs[0] == FL(3)) { + status = adl_switchEmulator(session->device, ADLMIDI_EMU_OPAL); + } else if (inargs[0] == FL(4)) { + status = adl_switchEmulator(session->device, ADLMIDI_EMU_JAVA); + } + + if (status != 0) return csound->init_error(adl_errorInfo(session->device)); + + status = adl_setRunAtPcmRate(session->device, (int) inargs[1]); + if (status != 0) return csound->init_error(adl_errorInfo(session->device)); + + out = (short*) csound->calloc(sizeof(short) * ksmps() * 2); + return OK; + } + + int deinit() { + //if (session->device != NULL) adl_close(session->device); // causes segfault..? + if (out != NULL) csound->free(out); + return OK; + + } + + int aperf() { + int read_pos = 0; + int sample_count = adl_generate(session->device, nsmps*2, out); + for (int i = 0; i < nsmps; i++) { // interleaved buffer from ADL + outargs(1)[i] = ((MYFLT) out[read_pos++])/SHRT_MAX; + outargs(2)[i] = ((MYFLT) out[read_pos++])/SHRT_MAX; + } + + return OK; + } +}; + +/* + * opcode: oplsetbank + * set the current bank by index (preset internal libADLMIDI banks, specified at + * compile time) + */ +struct oplsetbank : csnd::InPlug<2> { + static constexpr char const *otypes = ""; + static constexpr char const *itypes = "ii"; + + int init() { + ADLSession* session = getHandle(csound, args[0]); + if (session == NULL) return csound->init_error(badHandle); + int status = adl_setBank(session->device, (int) args[1]); + if (status != 0) return csound->init_error(adl_errorInfo(session->device)); + adl_reset(session->device); + return OK; + } +}; + +/* + * opcode: oplpanic + * turn off all notes, reset the instance + */ +struct oplpanic : csnd::InPlug<1> { + static constexpr char const *otypes = ""; + static constexpr char const *itypes = "i"; + + int init() { + ADLSession* session = getHandle(csound, args[0]); + if (session == NULL) return csound->init_error(badHandle); + adl_panic(session->device); + adl_reset(session->device); + return OK; + } +}; + +/* + * opcode: oplpatchchange + * change the midi patch (ie 0-127) for a specified channel + */ +struct oplpatchchange : csnd::InPlug<3> { + static constexpr char const *otypes = ""; + static constexpr char const *itypes = "ikk"; + + ADLSession* session; + int channel; + int patch; + + int init() { + session = getHandle(csound, args[0]); + if (session == NULL) return csound->init_error(badHandle); + channel = (int) args[1]; + patch = (int) args[2]; + adl_rt_patchChange(session->device, channel, patch); + return OK; + } + + int kperf() { + int channel = (int) args[1]; + int patch = (int) args[2]; + if (channel != this->channel || patch != this->patch) { + this->channel = channel; + this->patch = patch; + adl_rt_patchChange(session->device, channel, patch); + } + return OK; + } +}; + + +/* + * opcode: oplaftertouch + * apply aftertouch for channel + */ +struct oplaftertouch : csnd::InPlug<3> { + static constexpr char const *otypes = ""; + static constexpr char const *itypes = "ikk"; + + ADLSession* session; + int channel; + ADL_UInt8 value; + + int init() { + session = getHandle(csound, args[0]); + if (session == NULL) return csound->init_error(badHandle); + channel = (int) args[1]; + value = (ADL_UInt8) args[2]; + adl_rt_channelAfterTouch(session->device, channel, value); + return OK; + } + + int kperf() { + channel = (int) args[1]; + value = (ADL_UInt8) args[2]; + if (channel != this->channel || value != this->value) { + this->channel = channel; + this->value = value; + adl_rt_channelAfterTouch(session->device, channel, value); + } + return OK; + } +}; + +/* + * opcode: oplcontrolchange + * apply control change for channel + */ +struct oplcontrolchange : csnd::InPlug<4> { + static constexpr char const *otypes = ""; + static constexpr char const *itypes = "ikkk"; + + ADLSession* session; + int channel; + ADL_UInt8 type; + ADL_UInt8 value; + + int init() { + session = getHandle(csound, args[0]); + if (session == NULL) return csound->init_error(badHandle); + channel = (int) args[1]; + type = (ADL_UInt8) args[2]; + value = (ADL_UInt8) args[3]; + adl_rt_controllerChange(session->device, channel, type, value); + return OK; + } + + int kperf() { + channel = (int) args[1]; + type = (ADL_UInt8) args[2]; + value = (ADL_UInt8) args[3]; + if (channel != this->channel || type != this->type || value != this->value) { + this->channel = channel; + this->type = type; + this->value = value; + adl_rt_controllerChange(session->device, channel, type, value); + } + return OK; + } +}; + +/* + * opcode: oplpitchbend + * apply channel specific pitch bend; pitch bend is 24bit + */ +struct oplpitchbend : csnd::InPlug<3> { + static constexpr char const *otypes = ""; + static constexpr char const *itypes = "ikk"; + + ADLSession* session; + int channel; + ADL_UInt16 bend; + + int init() { + session = getHandle(csound, args[0]); + if (session == NULL) return csound->init_error(badHandle); + channel = (int) args[1]; + bend = (ADL_UInt16) ((args[2]*4096)+8192); + adl_rt_pitchBend(session->device, channel, bend); + return OK; + } + + int kperf() { + int channel = (int) args[1]; + ADL_UInt16 bend = (ADL_UInt16) ((args[2]*4096)+8192); + if (channel != this->channel || bend != this->bend) { + this->channel = channel; + this->bend = bend; + adl_rt_pitchBend(session->device, channel, bend); + } + return OK; + } +}; + +/* + * opcode: oplnote + * play a note on the specified opl instance + */ +struct oplnote : csnd::InPlug<4> { + static constexpr char const *otypes = ""; + static constexpr char const *itypes = "iiii"; + + int channel; + int note; + ADLSession* session; + + int init() { + csound->plugin_deinit(this); + session = getHandle(csound, args[0]); + if (session == NULL) return csound->init_error(badHandle); + channel = (int) args[1]; + note = (int) args[2]; + int velocity = (int) args[3]; + adl_rt_noteOn(session->device, channel, note, velocity); + return OK; + } + + int deinit() { + adl_rt_noteOff(session->device, channel, note); + } +}; + +struct oplbanknames : csnd::Plugin<1, 1> { // InPlug + static constexpr char const *otypes = "S[]"; + static constexpr char const *itypes = "i"; + + int init() { + ADLSession* session = getHandle(csound, inargs[0]); + if (session == NULL) return csound->init_error(badHandle); + int banks_number = adl_getBanksCount(); + + ARRAYDAT* array = (ARRAYDAT*) outargs(0); + array->sizes = (int32_t*) csound->calloc(sizeof(int32_t)); + array->sizes[0] = banks_number; + array->dimensions = 1; + CS_VARIABLE* var = array->arrayType->createVariable(csound, NULL); + array->arrayMemberSize = var->memBlockSize; + array->data = (MYFLT*) csound->calloc(var->memBlockSize * banks_number); + STRINGDAT* data = (STRINGDAT*) array->data; + + const char* const* banks = adl_getBankNames(); + for (int i = 0 ; i < banks_number; i++) { + data[i].size = strlen(banks[i]); + data[i].data = csound->strdup((char*) banks[i]); + } + return OK; + } + +}; + + + +/* + * opcode: oploperator + * control specific parameters of an operator (oscillator) + */ +struct oploperator : csnd::InPlug<13> { + static constexpr char const *otypes = ""; + static constexpr char const *itypes = "ikkkkkkkkkkkk"; + + ADLSessionOperator* so; + ADL_Operator* o; + MYFLT* lastval; + int argnum; + + int init() { + argnum = 13; + so = getHandle(csound, args[0]); + if (so == NULL) return csound->init_error("opl instrument handle is not valid"); + o = so->op; + lastval = (MYFLT*) csound->malloc(sizeof(MYFLT) * argnum); + setvalues(); + return OK; + } + + + + bool haschanged() { // TODO really saves any overhead?? + bool changed = false; + for (int i = 1; i < argnum ; i++) { + if (args[i] != lastval[i]) { + lastval[i] = args[i]; + changed = true; + } + } + return changed; + } + + void setvalues() { + // level, 0 to 63 + o->ksl_l_40 = bitconvert_inv(0, 6, o->ksl_l_40, args[1]); + //printf("%d-x\n", o->ksl_l_40); + + // key scale level, 0 to 3 + o->ksl_l_40 = bitconvert_inv(6, 2, o->ksl_l_40, args[2]); + + // attack, 0 to 15 + o->atdec_60 = bitconvert_inv(4, 4, o->atdec_60, args[3]); + + // decay, 0 to 15 + o->atdec_60 = bitconvert_inv(0, 4, o->atdec_60, args[4]); + + // sustain, 0 to 15 + o->susrel_80 = bitconvert_inv(4, 4, o->susrel_80, args[5]); + + // release, 0 to 15 + o->susrel_80 = bitconvert_inv(0, 4, o->susrel_80, args[6]); + + // waveform, 0 to 8 + o->waveform_E0 = bitconvert(0, 3, o->waveform_E0, args[7]); + + // freq mult, 0 to 15 + o->avekf_20 = bitconvert(0, 4, o->avekf_20, args[8]); + + // tremolo, 0 to 1 + o->avekf_20 = bitconvert(7, 1, o->avekf_20, args[9]); + + // vibrato, 0 to 1 + o->avekf_20 = bitconvert(6, 1, o->avekf_20, args[10]); + + // sustaining, 0 to 1 + o->avekf_20 = bitconvert(5, 1, o->avekf_20, args[11]); + + // env/key scaling, 0 to 1 + o->avekf_20 = bitconvert(4, 1, o->avekf_20, args[12]); + } + + int kperf() { + //o->avekf_20 = (ADL_UInt8) shift(args[1]; + + if (haschanged()) { + setvalues(); + so->session->changed = true; + } + return OK; + } +}; + + +/* + * opcode: oplinstrument + * switch to instrument control mode (rather than bank), specify parameters + * and get operator handles + */ +struct oplinstrument : csnd::Plugin<4, 9> { + static constexpr char const *otypes = "iiii"; + static constexpr char const *itypes = "ikkkkkkkk"; + + ADLSession* session; + ADL_Instrument* instrument; + ADL_Bank* bank; + ADLSessionOperator* sessionOperators[4]; + MYFLT* lastval; + int argnum; + + int init() { + argnum = 9; + session = getHandle(csound, inargs[0]); + if (session == NULL) return csound->init_error(badHandle); + int status; + instrument = (ADL_Instrument*) csound->malloc(sizeof(ADL_Instrument)); + bank = (ADL_Bank*) csound->malloc(sizeof(ADL_Bank)); + + ADL_BankId bnk; + bnk.percussive = 0; + bnk.msb = 0; + bnk.lsb = 0; + + status = adl_getBank(session->device, &bnk, 1, bank); // 1 is create + if (status != 0) return csound->init_error(adl_errorInfo(session->device)); + + status = adl_getInstrument(session->device, bank, 0, instrument); + if (status != 0) return csound->init_error(adl_errorInfo(session->device)); + + for (int i = 0; i < 4; i++) { + outargs[i] = createHandle(csound, &sessionOperators[i]); + sessionOperators[i]->op = &(instrument->operators[i]); + sessionOperators[i]->session = session; + } + + lastval = (MYFLT*) csound->malloc(sizeof(MYFLT) * argnum); + setvalues(); + + return OK; + } + + void setvalues() { + + // mode 1-2, 0 to 1 (FM, AM) + instrument->fb_conn1_C0 = bitconvert(0, 1, instrument->fb_conn1_C0, inargs[1]); + + // mode 3-4, 0 to 1 (FM, AM) + instrument->fb_conn2_C0 = bitconvert(0, 1, instrument->fb_conn2_C0, inargs[2]); + + // feedback 1-2, 0 to 7 + instrument->fb_conn1_C0 = bitconvert(1, 3, instrument->fb_conn1_C0, inargs[3]); + + // feedback 3-4, 0 to 7 + instrument->fb_conn2_C0 = bitconvert(1, 3, instrument->fb_conn2_C0, inargs[4]); + + // 4op, 0 to 1 + instrument->inst_flags = bitconvert(0, 1, instrument->inst_flags, inargs[5]); + + // pseudo 4op, 0 to 1 + instrument->inst_flags = bitconvert(1, 1, instrument->inst_flags, inargs[6]); + + // deep vibrato, 0 to 1 + adl_setHVibrato(session->device, inargs[7]); + + // deep tremolo, 0 to 1 + adl_setHTremolo(session->device, inargs[8]); + } + + bool haschanged() { // TODO really saves any overhead?? + bool changed = false; + for (int i = 1; i < argnum ; i++) { + if (inargs[i] != lastval[i]) { + lastval[i] = inargs[i]; + changed = true; + } + } + return changed; + } + + int kperf() { + bool changed = session->changed; + if (haschanged()) { + setvalues(); + changed = true; + } + if (changed) { + adl_setInstrument(session->device, bank, 0, instrument); + session->changed = false; + } + return OK; + } +}; + + +#include +void csnd::on_load(csnd::Csound *csound) { + csnd::plugin(csound, "opl", csnd::thread::ia); + csnd::plugin(csound, "oplsetbank", csnd::thread::i); + csnd::plugin(csound, "oplpatchchange", csnd::thread::ik); + csnd::plugin(csound, "oplpitchbend", csnd::thread::ik); + csnd::plugin(csound, "oplinstrument", csnd::thread::ik); + csnd::plugin(csound, "oploperator", csnd::thread::ik); + csnd::plugin(csound, "oplaftertouch", csnd::thread::ik); + csnd::plugin(csound, "oplcontrolchange", csnd::thread::ik); + csnd::plugin(csound, "oplnote", csnd::thread::i); + csnd::plugin(csound, "oplpanic", csnd::thread::i); + csnd::plugin(csound, "oplbanknames", csnd::thread::i); +} + + -- cgit v1.2.3