Revert "Audio Core (#2)"

This reverts commit a8d0c51c69.

externals/rubberband/CMakeLists.txt

@@ -1,79 +0,0 @@
-set(SRCS
-        rubberband/src/audiocurves/CompoundAudioCurve.cpp
-        rubberband/src/audiocurves/ConstantAudioCurve.cpp
-        rubberband/src/audiocurves/HighFrequencyAudioCurve.cpp
-        rubberband/src/audiocurves/PercussiveAudioCurve.cpp
-        rubberband/src/audiocurves/SilentAudioCurve.cpp
-        rubberband/src/audiocurves/SpectralDifferenceAudioCurve.cpp
-        rubberband/src/base/Profiler.cpp
-        rubberband/src/dsp/AudioCurveCalculator.cpp
-        rubberband/src/dsp/FFT.cpp
-        rubberband/src/dsp/Resampler.cpp
-        rubberband/src/kissfft/kiss_fft.c
-        rubberband/src/kissfft/kiss_fftr.c
-        rubberband/src/RubberBandStretcher.cpp
-        rubberband/src/speex/resample.c
-        rubberband/src/StretchCalculator.cpp
-        rubberband/src/StretcherChannelData.cpp
-        rubberband/src/StretcherImpl.cpp
-        rubberband/src/StretcherProcess.cpp
-        rubberband/src/system/Allocators.cpp
-        rubberband/src/system/sysutils.cpp
-        rubberband/src/system/Thread.cpp
-        rubberband/src/system/VectorOpsComplex.cpp
-        )
-
-SET(HEADERS
-        rubberband/src/audiocurves/CompoundAudioCurve.h
-        rubberband/src/audiocurves/ConstantAudioCurve.h
-        rubberband/src/audiocurves/HighFrequencyAudioCurve.h
-        rubberband/src/audiocurves/PercussiveAudioCurve.h
-        rubberband/src/audiocurves/SilentAudioCurve.h
-        rubberband/src/audiocurves/SpectralDifferenceAudioCurve.h
-        rubberband/src/base/Profiler.h
-        rubberband/src/base/RingBuffer.h
-        rubberband/src/base/Scavenger.h
-        rubberband/src/dsp/AudioCurveCalculator.h
-        rubberband/src/dsp/FFT.h
-        rubberband/src/dsp/MovingMedian.h
-        rubberband/src/dsp/Resampler.h
-        rubberband/src/dsp/SampleFilter.h
-        rubberband/src/dsp/SincWindow.h
-        rubberband/src/dsp/Window.h
-        rubberband/src/float_cast/float_cast.h
-        rubberband/src/kissfft/kiss_fft.h
-        rubberband/src/kissfft/kiss_fftr.h
-        rubberband/src/kissfft/_kiss_fft_guts.h
-        rubberband/src/pommier/neon_mathfun.h
-        rubberband/src/pommier/sse_mathfun.h
-        rubberband/src/speex/speex_resampler.h
-        rubberband/src/StretchCalculator.h
-        rubberband/src/StretcherChannelData.h
-        rubberband/src/StretcherImpl.h
-        rubberband/src/system/Allocators.h
-        rubberband/src/system/sysutils.h
-        rubberband/src/system/Thread.h
-        rubberband/src/system/VectorOps.h
-        rubberband/src/system/VectorOpsComplex.h
-        rubberband/rubberband/rubberband-c.h
-        rubberband/rubberband/RubberBandStretcher.h
-        )
-
-add_library(rubberband STATIC ${SRCS} ${HEADERS})
-
-target_include_directories(rubberband PRIVATE rubberband/src)
-target_include_directories(rubberband PRIVATE rubberband)
-
-set_property(TARGET rubberband APPEND PROPERTY COMPILE_DEFINITIONS USE_SPEEX)
-if(APPLE)
-    set_property(TARGET rubberband APPEND PROPERTY COMPILE_DEFINITIONS HAVE_VDSP)
-    set_property(TARGET rubberband APPEND PROPERTY COMPILE_DEFINITIONS USE_PTHREADS)
-    target_link_libraries(rubberband "-framework Accelerate")
-elseif(MSVC)
-    set_property(TARGET rubberband APPEND PROPERTY COMPILE_DEFINITIONS USE_KISSFFT)
-    set_property(TARGET rubberband APPEND PROPERTY COMPILE_DEFINITIONS __MSVC__)
-    set_property(TARGET rubberband APPEND PROPERTY COMPILE_DEFINITIONS WIN32)
-else()
-    set_property(TARGET rubberband APPEND PROPERTY COMPILE_DEFINITIONS USE_KISSFFT)
-    set_property(TARGET rubberband APPEND PROPERTY COMPILE_DEFINITIONS USE_PTHREADS)
-endif()