diff options
author | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 15:14:38 +0200 |
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committer | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 15:14:38 +0200 |
commit | 28b7e464fd119b8c848753a1f41070422c463c41 (patch) | |
tree | 07449abdf85d8f1fd4068839b974242b429720ca /sc4pd/headers/common | |
parent | 90c6018a9401e38859f733b3521c919e042322b7 (diff) | |
parent | 6932ee2d22511226378218992b0005cb01eb235e (diff) |
Merge branchesHEADsvn2git-headmaster
- abstractions/tb
- externals/tb
Diffstat (limited to 'sc4pd/headers/common')
-rw-r--r-- | sc4pd/headers/common/SC_AllocPool.h | 278 | ||||
-rw-r--r-- | sc4pd/headers/common/SC_Altivec.h | 118 | ||||
-rw-r--r-- | sc4pd/headers/common/SC_Endian.h | 64 | ||||
-rw-r--r-- | sc4pd/headers/common/SC_Sem.h | 43 | ||||
-rw-r--r-- | sc4pd/headers/common/SC_StringBuffer.h | 67 | ||||
-rw-r--r-- | sc4pd/headers/common/SC_StringParser.h | 40 | ||||
-rw-r--r-- | sc4pd/headers/common/dfftlib.h | 62 | ||||
-rw-r--r-- | sc4pd/headers/common/fftlib.h | 62 | ||||
-rw-r--r-- | sc4pd/headers/common/scsynthsend.h | 191 |
9 files changed, 925 insertions, 0 deletions
diff --git a/sc4pd/headers/common/SC_AllocPool.h b/sc4pd/headers/common/SC_AllocPool.h new file mode 100644 index 0000000..fc9d72a --- /dev/null +++ b/sc4pd/headers/common/SC_AllocPool.h @@ -0,0 +1,278 @@ + +/* + SuperCollider real time audio synthesis system + Copyright (c) 2002 James McCartney. All rights reserved. + http://www.audiosynth.com + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ +/* +This is based on Doug Lea's allocator but rewritten so I can read and understand it... +also features of free all-at-once pools are added. +Now uses 16 byte alignment, which does increase the minimum allocation size to 32 bytes +including the overhead. +Improved bit block scanning by using a count leading zeroes instruction. + +*/ + +#ifndef _AllocPool_ +#define _AllocPool_ + +#include "SC_List.h" +#include "clz.h" +#include <stdlib.h> + +const int kNumAllocBins = 128; +const int kNumSmallBins = 64; +const int kMaxSmallBin = kNumSmallBins - 1; +const int kBinWidth = 8; +const int kMaxSmallBinSize = kNumSmallBins * kBinWidth; +const int kBinBlockWidth = 4; +const int kBinBlockMask = kBinBlockWidth - 1; + +const size_t kAlign = 16; +const size_t kAlignMask = kAlign - 1; +const size_t kChunkFree = 0; +const size_t kChunkInUse = 1; +const size_t kSizeBits = ~kChunkInUse; + +class AllocChunk; +class AllocPool; +typedef AllocChunk *AllocChunkPtr; +typedef Link<AllocChunk> AllocBin; +typedef AllocBin* AllocBinPtr; + +class AllocChunk : public Link<AllocChunk> +{ + friend class AllocPool; + + size_t Size() + { return mSize & kSizeBits; } + + size_t PrevSize() + { return mPrevSize & kSizeBits; } + + AllocChunkPtr ChunkAtOffset(size_t inSize) + { return AllocChunkPtr((char*)this + inSize); } + + AllocChunkPtr NextChunk() + { return ChunkAtOffset(Size()); } + + AllocChunkPtr PrevChunk() + { return ChunkAtOffset(-PrevSize()); } + + bool InUse() + { return (bool)(mSize & kChunkInUse); } + + bool PrevInUse() + { return (bool)(mPrevSize & kChunkInUse); } + + void SetSizeFree(size_t inSize) + { mSize = ChunkAtOffset(inSize)->mPrevSize = inSize; } + + void SetSizeInUse(size_t inSize) + { mSize = ChunkAtOffset(inSize)->mPrevSize = inSize | kChunkInUse; } + + void SetNeighborsInUse(size_t inOffset) + { mPrevSize = ChunkAtOffset(inOffset)->mSize = kChunkInUse; } + + bool IsArea() + { return mPrevSize == kChunkInUse && NextChunk()->mSize == kChunkInUse; } + + void* ToPtr() + { return (void*)((char*)this + sizeof(AllocChunk)); } + + size_t mPrevSize; + size_t mSize; +}; + +class AllocArea; +typedef AllocArea* AllocAreaPtr; + +class AllocAreaHdr /* for size calculations */ +{ +protected: + friend class AllocPool; + + AllocAreaPtr mPrev, mNext; + size_t mSize; + void *mUnalignedPointerToThis; +}; + +class AllocArea : public AllocAreaHdr +{ +public: + void SanityCheck(); + +private: + friend class AllocPool; + + AllocChunk mChunk; +}; + +const size_t kMinAllocSize = 2 * kAlign; +// FIXME: add kAlign to overhead? <sk> +const size_t kAreaOverhead = sizeof(AllocAreaHdr) + 2 * sizeof(AllocChunk); + +typedef void* (*NewAreaFunc)(size_t size); +typedef void (*FreeAreaFunc)(void *); + +class AllocPool +{ +public: + AllocPool(NewAreaFunc allocArea, FreeAreaFunc freeArea, + size_t areaInitSize, size_t areaMoreSize); + ~AllocPool(); + + void Reinit(); + + void *Alloc(size_t inBytes); + void *Realloc(void* inPtr, size_t inBytes); + void Free(void* inPtr); + void FreeAll(); + void FreeAllInternal(); + + // debugging + size_t TotalFree(); + size_t LargestFreeChunk(); + + void DoCheckPool(); + void DoCheckInUseChunk(AllocChunkPtr p); + + static AllocChunkPtr MemToChunk(void *inPtr) + { return (AllocChunkPtr)((char*)(inPtr) - sizeof(AllocChunk)); } + +private: + void InitAlloc(); + void InitBins(); + AllocAreaPtr NewArea(size_t inAreaSize); + void FreeArea(AllocChunkPtr chunk); + + // debugging + void DoCheckArea(AllocAreaPtr area); + void DoCheckBin(AllocChunkPtr bin, long idx); + void DoCheckChunk(AllocChunkPtr p); + void DoCheckFreeChunk(AllocChunkPtr p); + void DoCheckAllocedChunk(AllocChunkPtr p, size_t s); + void DoGarbageFill(AllocChunkPtr p); + void DoGarbageFill(AllocChunkPtr p, long size); + + // inlines + + static size_t RequestToSize(size_t inReqSize) + { + size_t sizePlusOverhead = inReqSize + sizeof(AllocChunk); + if (sizePlusOverhead <= kMinAllocSize) return kMinAllocSize; + else return (sizePlusOverhead + kAlignMask) & ~kAlignMask; + } + + static int SmallBinIndex(size_t inSize) + { return inSize >> 4; } + + static int BinIndex2(size_t inSize) + { + return + ((inSize < 1024) ? (inSize>>4): + (inSize < 2048) ? 56 + (inSize>>7): + (inSize < 4096) ? 64 + (inSize>>8): + (inSize < 8192) ? 72 + (inSize>>9): + (inSize < 16384) ? 80 + (inSize>>10): + (inSize < 32768) ? 88 + (inSize>>11): + (inSize < 65536) ? 96 + (inSize>>12): + (inSize < 131072) ? 104 + (inSize>>13): + (inSize < 262144) ? 112 + (inSize>>14):127); + } + + static int BinIndex(size_t inSize) + { + if (inSize < 1024) return inSize >> 4; + if (inSize >= 262144) return 127; + int bits = 28 - CLZ(inSize); + return (bits << 3) + (inSize >> bits) ; + } + + void MarkBinBlock(int inIndex) + { + unsigned long word = inIndex >> 5; + unsigned long bitPosition = inIndex & 31; + unsigned long bitValue = 1L << bitPosition; + mBinBlocks[word] |= bitValue; + } + + void ClearBinBlock(int inIndex) + { + unsigned long word = inIndex >> 5; + unsigned long bitPosition = inIndex & 31; + unsigned long bitValue = 1L << bitPosition; + mBinBlocks[word] &= ~bitValue; + } + + int NextFullBin(int inStartingBinIndex) + { + if (inStartingBinIndex >= 128) return -1; + int word = inStartingBinIndex >> 5; + int bitPosition = inStartingBinIndex & 31; + unsigned long bitValue = 1L << bitPosition; + unsigned long binBits = mBinBlocks[word]; + + if (binBits >= bitValue) { + binBits = (~(bitValue - 1) & binBits); + } else { + for (++word; word<4 && !mBinBlocks[word]; ++word) {} + if (word==4) return -1; + binBits = mBinBlocks[word]; + } + bitPosition = CTZ((int32)binBits); + + return (word << 5) + bitPosition; + } + + void LinkFree(AllocChunkPtr inChunk); + /* + { + size_t size = inChunk->Size(); + int index = BinIndex(size); + + AllocChunkPtr bin = mBins + index; + + if (index < kNumSmallBins || bin->IsEmpty()) { + inChunk->InsertAfter(bin); + MarkBinBlock(index); + } else { + AllocChunkPtr link = bin->Next(); + while (link != bin && size < link->Size()) link = link->Next(); + inChunk->InsertBefore(link); + } + } + */ + + void UnlinkFree(AllocChunkPtr inChunk) + { + inChunk->RemoveLeaveDangling(); + size_t size = inChunk->Size(); + int index = BinIndex(size); + AllocChunkPtr bin = mBins + index; + if (bin->IsEmpty()) ClearBinBlock(index); + } + + AllocChunk mBins[kNumAllocBins]; + AllocAreaPtr mAreas; + NewAreaFunc mAllocArea; + FreeAreaFunc mFreeArea; + size_t mAreaInitSize, mAreaMoreSize; + unsigned long mBinBlocks[4]; +}; + +#endif diff --git a/sc4pd/headers/common/SC_Altivec.h b/sc4pd/headers/common/SC_Altivec.h new file mode 100644 index 0000000..8ae3f66 --- /dev/null +++ b/sc4pd/headers/common/SC_Altivec.h @@ -0,0 +1,118 @@ +/* + SuperCollider real time audio synthesis system + Copyright (c) 2003 James McCartney. All rights reserved. + http://www.audiosynth.com + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef _SC_Altivec_ +#define _SC_Altivec_ + +#if defined(SC_LINUX) && defined(__ALTIVEC__) +# include <altivec.h> +#endif + +#if __VEC__ + +typedef vector signed int vint32; +typedef vector unsigned int vuint32; +typedef vector float vfloat32; + +// Since gcc 3.3 vector initializers are surrounded by brackets. <sk> +#if defined(__GNUC__) && (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 3) +# define vinit(x) { x, x, x, x } +#else +# define vinit(x) ( x ) +#endif + +//#define vload(x) (*vtempptr = (x), vec_splat(vtemp,0)) +#define define_vtemp vfloat32 vtemp; float *vtempptr = (float*)&vtemp; +#define define_vones vfloat32 vones = vec_ctf(vec_splat_s32(1),0); +#define define_vzero vfloat32 vzero = (vfloat32)vec_splat_s32(0); +#define vi0123 (vec_unpackh(vec_unpackh((vector signed char)vec_lvsl(0,(int*)0)))) +#define v0123 (vec_ctf(vec_unpackh(vec_unpackh((vector signed char)vec_lvsl(0,(int*)0))), 0)) +#define v0123_4ths (vec_ctf(vec_unpackh(vec_unpackh((vector signed char)vec_lvsl(0,(int*)0))), 2)) +#define vstart(x, vslope) (vec_madd(vslope, v0123_4ths, vload(x))) + +#define vec_not(a) (vtemp = (a); vec_nor(vtemp, vtemp)) +#define vec_cmplt(a, b) (vec_cmpgt(b, a)) +#define vec_cmple(a, b) (vec_cmpge(b, a)) +#define vec_mul(a, b) (vec_madd(a, b, vzero)) +#define vec_2sComp(x) (vec_sub(vec_sub (x, x), x)) + +#define USEVEC (ft->mAltivecAvailable && !(BUFLENGTH & 3)) + +typedef union vec_union { + int32 i[4]; + float32 f[4]; + vint32 vi; + vfloat32 vf; +} vec_union; + +inline vfloat32 vload( float f ) +{ + vec_union temp; + temp.f[0] = f; + return vec_splat( vec_lde( 0, temp.f ), 0 ); +} + +inline vint32 vload( int32 i ) +{ + vec_union temp; + temp.i[0] = i; + return vec_splat( vec_lde( 0, temp.i ), 0 ); +} + +inline vint32 vload( int32 a, int32 b, int32 c, int32 d ) +{ + vec_union temp; + temp.i[0] = a; + temp.i[1] = b; + temp.i[2] = c; + temp.i[3] = d; + return temp.vi; +} + +inline vector float vec_float_1( void ) +{ + return vec_ctf( vec_splat_u32(1), 0); +} + +inline vector float vec_reciprocal( vector float v ) +{ + vector float reciprocal = vec_re( v ); + return vec_madd( reciprocal, vec_nmsub( reciprocal, v, vec_float_1()), reciprocal ); //Newton Rapheson refinement +} + +#define vec_div(a, b) vec_mul(a, vec_reciprocal(b)) + +// seed = ((seed & mask) << shift1) ^ (((seed << shift2) ^ seed) >> shift3); + +#define define_trshifts \ + vuint32 trmask = ((vuint32)(0xFFFFFFFE,0xFFFFFFF8,0xFFFFFFF0,0)); \ + vuint32 trshift1 = ((vuint32)(12, 14, 7, 0)); \ + vuint32 trshift2 = ((vuint32)(13, 2, 3, 0)); \ + vuint32 trshift3 = ((vuint32)(19, 25, 11, 0)); + +inline vuint32 trands(vuint32 seed, vuint32 trmask, vuint32 shift1, vuint32 shift2, vuint32 shift3) +{ + return vec_xor(vec_sl(vec_and(seed, trmask),shift1), vec_sr(vec_xor(vec_sl(seed,shift2),seed),shift3)); +} + +#endif +#endif + + diff --git a/sc4pd/headers/common/SC_Endian.h b/sc4pd/headers/common/SC_Endian.h new file mode 100644 index 0000000..ba127f5 --- /dev/null +++ b/sc4pd/headers/common/SC_Endian.h @@ -0,0 +1,64 @@ +/* + SuperCollider real time audio synthesis system + Copyright (c) 2002 James McCartney. All rights reserved. + http://www.audiosynth.com + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +/* NOTE: This file should declare/define the following functions/macros: + + htonl + htons + ntohl + ntohs + + either explicitly or implicitly by including system headers. +*/ + +#ifndef SC_ENDIAN_H_INCLUDED +#define SC_ENDIAN_H_INCLUDED + +#ifdef SC_DARWIN + +# include <machine/endian.h> + +#elif defined(SC_WIN32) + +# define LITTLE_ENDIAN 1234 +# define BIG_ENDIAN 4321 +# define BYTE_ORDER LITTLE_ENDIAN +# include <winsock2.h> + +#else + +# include <endian.h> +# include <netinet/in.h> + +#endif + +#ifndef BYTE_ORDER +# error BYTE_ORDER undefined, check __FILE__ +#endif // BYTE_ORDER + +#ifndef BIG_ENDIAN +# error BIG_ENDIAN undefined, check __FILE__ +#endif // BIG_ENDIAN + +#ifndef LITTLE_ENDIAN +# error LITTLE_ENDIAN undefined, check __FILE__ +#endif // LITTLE_ENDIAN + +#endif // SC_ENDIAN_H_INCLUDED diff --git a/sc4pd/headers/common/SC_Sem.h b/sc4pd/headers/common/SC_Sem.h new file mode 100644 index 0000000..22a2ffa --- /dev/null +++ b/sc4pd/headers/common/SC_Sem.h @@ -0,0 +1,43 @@ +/* + SuperCollider real time audio synthesis system + Copyright (c) 2002 James McCartney. All rights reserved. + http://www.audiosynth.com + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + + +#ifndef _SC_Semaphore_ +#define _SC_Semaphore_ + +#include <pthread.h> + +class SC_Semaphore +{ +public: + SC_Semaphore(int initialCount); + ~SC_Semaphore(); + + void Acquire(); + void Release(); + +private: + pthread_cond_t available; + pthread_mutex_t mutex; + int count; +}; + +#endif + diff --git a/sc4pd/headers/common/SC_StringBuffer.h b/sc4pd/headers/common/SC_StringBuffer.h new file mode 100644 index 0000000..24bcd4d --- /dev/null +++ b/sc4pd/headers/common/SC_StringBuffer.h @@ -0,0 +1,67 @@ +// emacs: -*- c++ -*- +// file: SC_StringBuffer.h +// copyright: 2003 stefan kersten <steve@k-hornz.de> +// cvs: $Id: SC_StringBuffer.h,v 1.1.1.1 2004-07-14 16:21:36 timblech Exp $ + +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 2 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 +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA + +#ifndef SC_STRINGBUFFER_H_INCLUDED +#define SC_STRINGBUFFER_H_INCLUDED + +#include <stdarg.h> +#include <stdlib.h> + +// ===================================================================== +// SC_StringBuffer - Autogrowing string buffer. +// ===================================================================== + +class SC_StringBuffer +{ +public: + SC_StringBuffer(size_t initialSize=0); + SC_StringBuffer(const SC_StringBuffer& other); + ~SC_StringBuffer(); + + size_t getCapacity() const { return mCapacity; } + size_t getSize() const { return mPtr - mData; } + size_t getRemaining() const { return mCapacity - getSize(); } + char* getData() const { return mData; } + + bool isEmpty() const { return getSize() == 0; } + + void finish() { append('\0'); } + void reset() { mPtr = mData; } + void append(const char* src, size_t len); + void append(char c); + void append(const char* str); + void vappendf(const char* fmt, va_list vargs); + void appendf(const char* fmt, ...); + +protected: + enum { + kGrowAlign = 256, + kGrowMask = kGrowAlign - 1 + }; + + void growBy(size_t request); + +private: + size_t mCapacity; + char* mPtr; + char* mData; +}; + +#endif // SC_STRINGBUFFER_H_INCLUDED diff --git a/sc4pd/headers/common/SC_StringParser.h b/sc4pd/headers/common/SC_StringParser.h new file mode 100644 index 0000000..f2d414e --- /dev/null +++ b/sc4pd/headers/common/SC_StringParser.h @@ -0,0 +1,40 @@ +// emacs: -*- c++ -*- +// file: SC_StringParser.h +// copyright: 2003 stefan kersten <steve@k-hornz.de> +// cvs: $Id: SC_StringParser.h,v 1.1.1.1 2004-07-14 16:21:37 timblech Exp $ + +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 2 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 +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA + +#ifndef _SC_StringParser_ +#define _SC_StringParser_ + +#define SC_MAX_TOKEN_LENGTH 256 + +class SC_StringParser +{ + char *mSpec, *mStart, *mEnd; + char mSep, mBuf[SC_MAX_TOKEN_LENGTH]; + +public: + SC_StringParser(); + SC_StringParser(char *spec, char sep); + + bool AtEnd() const; + const char *NextToken(); +}; + +#endif + diff --git a/sc4pd/headers/common/dfftlib.h b/sc4pd/headers/common/dfftlib.h new file mode 100644 index 0000000..409267e --- /dev/null +++ b/sc4pd/headers/common/dfftlib.h @@ -0,0 +1,62 @@ +long dFFTInit(long *fftMptr, long fftN, double *Utbl); +/* Compute cosine table and check size for complex ffts */ +/* INPUTS */ +/* fftN = size of fft */ +/* OUTPUTS */ +/* *fftMptr = log2 of fft size */ +/* *Utbl = cosine table with fftN/4 + 1 entries (angles = 0 to pi/2 inclusive) */ +/* RETURNS */ +/* 1 if fftN is invalid, 0 otherwise */ + +long drFFTInit(long *fftMptr, long fftN, double *Utbl); +/* Compute cosine table and check size for a real input fft */ +/* INPUTS */ +/* fftN = size of fft */ +/* OUTPUTS */ +/* *fftMptr = log2 of fft size */ +/* *Utbl = cosine table with fftN/4 + 1 entries (angles = 0 to pi/2 inclusive) */ +/* RETURNS */ +/* 1 if fftN is invalid, 0 otherwise */ + +void dffts(double *ioptr, long M, long Rows, double *Utbl); +/* Compute in-place complex fft on the rows of the input array */ +/* INPUTS */ +/* M = log2 of fft size */ +/* *ioptr = input data array */ +/* *Utbl = cosine table */ +/* Rows = number of rows in ioptr array (use Rows of 1 if ioptr is a 1 dimensional array) */ +/* OUTPUTS */ +/* *ioptr = output data array */ + +void diffts(double *ioptr, long M, long Rows, double *Utbl); +/* Compute in-place inverse complex fft on the rows of the input array */ +/* INPUTS */ +/* M = log2 of fft size */ +/* *ioptr = input data array */ +/* *Utbl = cosine table */ +/* Rows = number of rows in ioptr array (use Rows of 1 if ioptr is a 1 dimensional array) */ +/* OUTPUTS */ +/* *ioptr = output data array */ + +void drffts(double *ioptr, long M, long Rows, double *Utbl); +/* Compute in-place real fft on the rows of the input array */ +/* INPUTS */ +/* M = log2 of fft size */ +/* *ioptr = real input data array */ +/* *Utbl = cosine table */ +/* Rows = number of rows in ioptr array (use Rows of 1 if ioptr is a 1 dimensional array) */ +/* OUTPUTS */ +/* *ioptr = output data array in the following order */ +/* Re(x[0]), Re(x[N/2]), Re(x[1]), Im(x[1]), Re(x[2]), Im(x[2]), ... Re(x[N/2-1]), Im(x[N/2-1]). */ + + +void driffts(double *ioptr, long M, long Rows, double *Utbl); +/* Compute in-place real ifft on the rows of the input array */ +/* INPUTS */ +/* M = log2 of fft size */ +/* *ioptr = input data array in the following order */ +/* Re(x[0]), Re(x[N/2]), Re(x[1]), Im(x[1]), Re(x[2]), Im(x[2]), ... Re(x[N/2-1]), Im(x[N/2-1]). */ +/* *Utbl = cosine table */ +/* Rows = number of rows in ioptr array (use Rows of 1 if ioptr is a 1 dimensional array) */ +/* OUTPUTS */ +/* *ioptr = real output data array */ diff --git a/sc4pd/headers/common/fftlib.h b/sc4pd/headers/common/fftlib.h new file mode 100644 index 0000000..b03317d --- /dev/null +++ b/sc4pd/headers/common/fftlib.h @@ -0,0 +1,62 @@ +long FFTInit(long *fftMptr, long fftN, float *Utbl); +/* Compute cosine table and check size for complex ffts */ +/* INPUTS */ +/* fftN = size of fft */ +/* OUTPUTS */ +/* *fftMptr = log2 of fft size */ +/* *Utbl = cosine table with fftN/4 + 1 entries (angles = 0 to pi/2 inclusive) */ +/* RETURNS */ +/* 1 if fftN is invalid, 0 otherwise */ + +long rFFTInit(long *fftMptr, long fftN, float *Utbl); +/* Compute cosine table and check size for a real input fft */ +/* INPUTS */ +/* fftN = size of fft */ +/* OUTPUTS */ +/* *fftMptr = log2 of fft size */ +/* *Utbl = cosine table with fftN/4 + 1 entries (angles = 0 to pi/2 inclusive) */ +/* RETURNS */ +/* 1 if fftN is invalid, 0 otherwise */ + +void ffts(float *ioptr, long M, long Rows, float *Utbl); +/* Compute in-place complex fft on the rows of the input array */ +/* INPUTS */ +/* M = log2 of fft size */ +/* *ioptr = input data array */ +/* *Utbl = cosine table */ +/* Rows = number of rows in ioptr array (use Rows of 1 if ioptr is a 1 dimensional array) */ +/* OUTPUTS */ +/* *ioptr = output data array */ + +void iffts(float *ioptr, long M, long Rows, float *Utbl); +/* Compute in-place inverse complex fft on the rows of the input array */ +/* INPUTS */ +/* M = log2 of fft size */ +/* *ioptr = input data array */ +/* *Utbl = cosine table */ +/* Rows = number of rows in ioptr array (use Rows of 1 if ioptr is a 1 dimensional array) */ +/* OUTPUTS */ +/* *ioptr = output data array */ + +void rffts(float *ioptr, long M, long Rows, float *Utbl); +/* Compute in-place real fft on the rows of the input array */ +/* INPUTS */ +/* M = log2 of fft size */ +/* *ioptr = real input data array */ +/* *Utbl = cosine table */ +/* Rows = number of rows in ioptr array (use Rows of 1 if ioptr is a 1 dimensional array) */ +/* OUTPUTS */ +/* *ioptr = output data array in the following order */ +/* Re(x[0]), Re(x[N/2]), Re(x[1]), Im(x[1]), Re(x[2]), Im(x[2]), ... Re(x[N/2-1]), Im(x[N/2-1]). */ + + +void riffts(float *ioptr, long M, long Rows, float *Utbl); +/* Compute in-place real ifft on the rows of the input array */ +/* INPUTS */ +/* M = log2 of fft size */ +/* *ioptr = input data array in the following order */ +/* Re(x[0]), Re(x[N/2]), Re(x[1]), Im(x[1]), Re(x[2]), Im(x[2]), ... Re(x[N/2-1]), Im(x[N/2-1]). */ +/* *Utbl = cosine table */ +/* Rows = number of rows in ioptr array (use Rows of 1 if ioptr is a 1 dimensional array) */ +/* OUTPUTS */ +/* *ioptr = real output data array */ diff --git a/sc4pd/headers/common/scsynthsend.h b/sc4pd/headers/common/scsynthsend.h new file mode 100644 index 0000000..97f345b --- /dev/null +++ b/sc4pd/headers/common/scsynthsend.h @@ -0,0 +1,191 @@ +/* + SuperCollider real time audio synthesis system + Copyright (c) 2002 James McCartney. All rights reserved. + http://www.audiosynth.com + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef _scpacket_ +#define _scpacket_ + +#include "SC_Endian.h" +#include "SC_Types.h" +#include <stdexcept> + +struct netaddr { + int socket; + int addr; + int port; +}; +typedef struct netaddr netaddr; + +#define kSCMaxPacketSize 8192 + +struct scpacket { + int32 *wrpos, *endpos, *msgsizepos; + char *tagwrpos; + int inbundle; + int32 buf[kSCMaxPacketSize]; + + scpacket(); + void reset(); + void addi(int i); + void addii(int64 ii); + void addf(float f); + void addd(double f); + void adds(char *cstr); + void adds(char *src, size_t len); + void addb(uint8 *src, size_t len); + void addtag(char c); + void skip(int n); + void maketags(int n); + int size() { return (char*)wrpos - (char*)buf; } + char* data() { return (char*)buf; } + + void sendudp(int socket, int addr, int port); + + void OpenBundle(int64 time); + void CloseBundle(); + + void BeginMsg(); + void EndMsg(); +}; + +inline scpacket::scpacket() { reset(); } + +// ways to fail +#define BUFFEROVERFLOW return +//#define BUFFEROVERFLOW throw std::runtime_error("buffer overflow") + +inline void scpacket::reset() +{ + wrpos = buf; + endpos = buf + kSCMaxPacketSize; + inbundle = 0; +} + +inline void scpacket::skip(int n) +{ + if (wrpos + n > endpos) BUFFEROVERFLOW; + wrpos += n; +} + +inline void scpacket::addtag(char c) +{ + *tagwrpos++ = c; +} + +inline void scpacket::maketags(int n) +{ + int size4 = (n + 4) >> 2; + tagwrpos = (char*)wrpos; + skip(size4); + wrpos[-1] = 0; +} + + +inline void scpacket::addi(int i) +{ + if (wrpos >= endpos) BUFFEROVERFLOW; + *wrpos++ = htonl(i); +} + +inline void scpacket::addii(int64 ii) +{ + int i; + i = (int)(ii >> 32); + addi(i); + i = (int)ii; + addi(i); +} + +inline void scpacket::addf(float f) +{ + if (wrpos >= endpos) BUFFEROVERFLOW; + elem32 slot; + slot.f = f; + *wrpos++ = htonl(slot.i); +} + +inline void scpacket::addd(double f) +{ + if (wrpos >= endpos) BUFFEROVERFLOW; + elem64 slot; + slot.f = f; + *wrpos++ = htonl(slot.i >> 32); + *wrpos++ = htonl(slot.i & 0x00000000FFFFFFFF); +} + +inline void scpacket::adds(char *src) +{ + size_t len = strlen(src); + size_t len4 = (len + 4) >> 2; + if (wrpos + len4 > endpos) BUFFEROVERFLOW; + wrpos[len4 - 1] = 0; + memcpy(wrpos, src, (size_t)len); + wrpos += len4; +} + +inline void scpacket::adds(char *src, size_t len) +{ + size_t len4 = (len + 4) >> 2; + if (wrpos + len4 > endpos) BUFFEROVERFLOW; + wrpos[len4 - 1] = 0; + memcpy(wrpos, src, (size_t)len); + wrpos += len4; +} + +// support binary objects +inline void scpacket::addb(uint8 *src, size_t len) +{ + size_t len4 = (len + 3) >> 2; + if (wrpos + (len4 + 1) > endpos) BUFFEROVERFLOW; + wrpos[len4 - 1] = 0; + int32 swaplen = len; + *wrpos++ = htonl(swaplen); + memcpy(wrpos, src, (size_t)len); + wrpos += len4; +} + +inline void scpacket::OpenBundle(int64 time) +{ + inbundle++; + adds("#bundle"); + addii(time); +} + +inline void scpacket::CloseBundle() +{ + if (inbundle) inbundle--; +} + +inline void scpacket::BeginMsg() +{ + if (inbundle) { + msgsizepos = wrpos; + addi(0); + } +} + +inline void scpacket::EndMsg() +{ + if (inbundle) { + *msgsizepos = htonl(((wrpos - msgsizepos) - 1) * sizeof(int32)); + } +} + +#endif + |