Added FdBufferExperiments: Proof of concept plugin for resizing buffers on server
Owen Green
7 years ago
parent
2d2e5b7fa7
commit
b4bcc2f1c6
@ -0,0 +1,114 @@
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####### added the eingenmf
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set(FLUID_DECOMP_DIR ../../fluid_decomposition)
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include_directories(
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"${FLUID_DECOMP_DIR}"
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"${FLUID_DECOMP_DIR}/include"
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"${FLUID_DECOMP_DIR}/3rdparty"
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)
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####### original SC Cmake file starts here
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set(FILENAME "fdBufferExperiments.cpp") #specify the .cpp file here
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cmake_minimum_required (VERSION 2.8)
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get_filename_component(PROJECT ${FILENAME} NAME_WE) #automatically sets project name from the filename
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message(STATUS "Project name is ${PROJECT}")
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project (${PROJECT})
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include_directories(${SC_PATH}/include/plugin_interface)
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include_directories(${SC_PATH}/include/common)
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include_directories(${SC_PATH}/common)
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set(CMAKE_SHARED_MODULE_PREFIX "")
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if(APPLE OR WIN32)
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set(CMAKE_SHARED_MODULE_SUFFIX ".scx")
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endif()
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option(SUPERNOVA "Build plugins for supernova" OFF)
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if (SUPERNOVA)
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include_directories(${SC_PATH}/external_libraries/nova-tt)
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# actually just boost.atomic
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include_directories(${SC_PATH}/external_libraries/boost)
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include_directories(${SC_PATH}/external_libraries/boost_lockfree)
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include_directories(${SC_PATH}/external_libraries/boost-lockfree)
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endif()
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option(CPP11 "Build with c++11." ON)
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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set(CMAKE_COMPILER_IS_CLANG 1)
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endif()
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if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANG)
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add_definitions(-fvisibility=hidden)
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include (CheckCCompilerFlag)
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include (CheckCXXCompilerFlag)
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CHECK_C_COMPILER_FLAG(-msse HAS_SSE)
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CHECK_CXX_COMPILER_FLAG(-msse HAS_CXX_SSE)
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if (HAS_SSE)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse")
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endif()
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if (HAS_CXX_SSE)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse")
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endif()
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CHECK_C_COMPILER_FLAG(-msse2 HAS_SSE2)
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CHECK_CXX_COMPILER_FLAG(-msse2 HAS_CXX_SSE2)
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if (HAS_SSE2)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse2")
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endif()
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if (HAS_CXX_SSE2)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2")
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endif()
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CHECK_C_COMPILER_FLAG(-mfpmath=sse HAS_FPMATH_SSE)
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CHECK_CXX_COMPILER_FLAG(-mfpmath=sse HAS_CXX_FPMATH_SSE)
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if (HAS_FPMATH_SSE)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpmath=sse")
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endif()
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if (HAS_CXX_FPMATH_SSE)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse")
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endif()
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if(NATIVE)
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add_definitions(-march=native)
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endif()
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if(CPP11)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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if(CMAKE_COMPILER_IS_CLANG)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
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endif()
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endif()
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endif()
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if(MINGW)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mstackrealign")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mstackrealign")
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endif()
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####### added the fluid_decomposition
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add_library(
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${PROJECT}
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MODULE
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${FILENAME}
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"${FLUID_DECOMP_DIR}/3rdparty/HISSTools_FFT/HISSTools_FFT.cpp"
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)
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if(SUPERNOVA)
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add_library(${PROJECT}_supernova MODULE ${FILENAME})
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set_property(TARGET ${PROJECT}_supernova
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PROPERTY COMPILE_DEFINITIONS SUPERNOVA)
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endif()
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add_custom_command(
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TARGET
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${PROJECT}
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POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E make_directory "../../release-packaging/${PROJECT}/plugins"
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COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${PROJECT}> "../../release-packaging/${PROJECT}/plugins"
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)
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target_link_libraries (${PROJECT} "-framework Accelerate")
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@ -0,0 +1,44 @@
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//Can I reallocate buffers on the server? Yes I can.
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#include "SC_PlugIn.h"
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static InterfaceTable *ft;
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//Can we do buffer resizing in a BufGen. I think so.
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//Goal here is to mimic the NMF case, allowing
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//the dst buffer to be resized accordingly (and not need to
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// precalculate the number of frames in advance lang-side
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void BufferMatch(World *world, struct SndBuf *srcBuf, struct sc_msg_iter *msg)
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{
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size_t srcFrameCount = srcBuf->frames;
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size_t srcChanCount = srcBuf->channels;
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long dstBufNum = msg->geti();
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size_t rank = msg->geti();
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if (dstBufNum == -1){
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Print("BufferMatch is not happy because there is no output buffer specified.\n");
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return;
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}
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//This sequence follows what I saw in SC_SequenceCommand.cpp. Pretty much.
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//Get the NRT thread mirror buffer
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SndBuf* dstBufNRT = World_GetNRTBuf(world, dstBufNum);
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//Call the allocation function on that
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SCErr err = ft->fBufAlloc(dstBufNRT, srcChanCount * rank, srcFrameCount,srcBuf->samplerate);
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//If we were posh, we'd check for errors
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//Norhing will happen, unless we (a) assign the allocated data back to the main buffer pool (b?) Tell the server the buffer has changed
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//Get the RT buffer
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SndBuf* dstBuf = World_GetBuf(world, dstBufNum);
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//Assign value to our NRT buffer pointer's value
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*dstBuf = *dstBufNRT;
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//Ping the server
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world->mSndBufUpdates[dstBufNum].writes ++ ;
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}
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//typedef void (*BufGenFunc)(struct World *world, struct SndBuf *buf, struct sc_msg_iter *msg);
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PluginLoad(BufferFunTime) {
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ft = inTable;
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DefineBufGen("BufMatch", BufferMatch);
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}
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@ -0,0 +1,11 @@
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s.reboot
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//Quickie test of buffer allocation working
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//Read a sound file
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a = Buffer.read(s,"/Users/owen/Desktop/denoise_stn/sources/01-mix.wav");
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//Pass buffer to this, along with a rank. It will allocate a new buffer,
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//size it appropriately (in our server code) and return the new object
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f = FDBufferExperiments.allocMatch(s,a,rank:5);
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//Make sure everything is kosher:
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a.query
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f.query
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@ -0,0 +1,17 @@
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// adds an instance method to the Buffer class
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FDBufferExperiments {
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*allocMatch{|server, srcbuf, rank=1|
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var dstbuf,srcbufnum;
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"Rank" + rank.postln;
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srcbufnum = srcbuf.bufnum;
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server = server ? Server.default;
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dstbuf = Buffer.new(server:server,numFrames:0,numChannels:1);
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server.listSendMsg(
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[\b_gen, srcbufnum, "BufMatch",dstbuf.bufnum, rank]
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);
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^dstbuf;
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}
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}
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