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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/plugin_interface/SC_Unit.h | |
parent | 90c6018a9401e38859f733b3521c919e042322b7 (diff) | |
parent | 6932ee2d22511226378218992b0005cb01eb235e (diff) |
Merge branchesHEADsvn2git-headmaster
- abstractions/tb
- externals/tb
Diffstat (limited to 'sc4pd/headers/plugin_interface/SC_Unit.h')
-rw-r--r-- | sc4pd/headers/plugin_interface/SC_Unit.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/sc4pd/headers/plugin_interface/SC_Unit.h b/sc4pd/headers/plugin_interface/SC_Unit.h new file mode 100644 index 0000000..2ded017 --- /dev/null +++ b/sc4pd/headers/plugin_interface/SC_Unit.h @@ -0,0 +1,101 @@ +/* + 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_Unit_ +#define _SC_Unit_ + +#include "SC_Types.h" + +typedef void (*UnitCtorFunc)(struct Unit* inUnit); +typedef void (*UnitDtorFunc)(struct Unit* inUnit); + +typedef void (*UnitCalcFunc)(struct Unit *inThing, int inNumSamples); + +struct Unit +{ + struct World *mWorld; + struct UnitDef *mUnitDef; + struct Graph *mParent; + uint16 mNumInputs, mNumOutputs; + int16 mCalcRate; + int16 mSpecialIndex; // used by unary and binary ops + int16 mParentIndex; + int16 mDone; + + struct Wire **mInput, **mOutput; + struct Rate *mRate; + struct SC_Dimension *mDimension; + float **mInBuf, **mOutBuf; + + UnitCalcFunc mCalcFunc; + int mBufLength; +}; +typedef struct Unit Unit; + +enum { + kUnitDef_CantAliasInputsToOutputs = 1 +}; + +// easy macros, the unit variable must be named 'unit'. +#ifndef SC_WIN32 + +// These return float* pointers to input and output buffers. +#define IN(index) (unit->mInBuf[index]) +#define OUT(index) (unit->mOutBuf[index]) + +// These return a float value. Used for control rate inputs and outputs. +#define IN0(index) (IN(index)[0]) +#define OUT0(index) (OUT(index)[0]) + +#else + +// Win32 headers (included by C std library headers) define IN and OUT macros +// for their own purposes. To avoid problems we don't define IN and OUT here +// but define SC_IN and SC_OUT instead. Source files that use IN and OUT need +// to include definitions of IN, and OUT referencing SC_IN and SC_OUT after +// all headers have been included. +#define SC_IN(index) (unit->mInBuf[index]) +#define SC_OUT(index) (unit->mOutBuf[index]) +#define IN0(index) (SC_IN(index)[0]) +#define OUT0(index) (SC_OUT(index)[0]) + +#endif + +// get the rate of the input. +#define INRATE(index) (unit->mInput[index]->mCalcRate) + +// set the calculation function +#define SETCALC(func) (unit->mCalcFunc = (UnitCalcFunc)&func) + +// calculate a slope for control rate interpolation to audio rate. +#define CALCSLOPE(next,prev) ((next - prev) * unit->mRate->mSlopeFactor) + +// get useful values +#define SAMPLERATE (unit->mRate->mSampleRate) +#define SAMPLEDUR (unit->mRate->mSampleDur) +#define BUFLENGTH (unit->mBufLength) +#define BUFRATE (unit->mRate->mBufRate) +#define BUFDUR (unit->mRate->mBufDuration) + +typedef void (*UnitCmdFunc)(struct Unit *unit, struct sc_msg_iter *args); +typedef void (*PlugInCmdFunc)(World *inWorld, void* inUserData, struct sc_msg_iter *args, void *replyAddr); + +#endif |