1 /*
2 SuperCollider real time audio synthesis system
3 Copyright (c) 2002 James McCartney. All rights reserved.
4 http://www.audiosynth.com
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21
22 #include <stdio.h>
23 #include "SC_Endian.h"
24 #include "SC_Unit.h"
25 #include "SC_UnitSpec.h"
26 #include "SC_UnitDef.h"
27 #include "SC_World.h"
28 #include "SC_Wire.h"
29 #include "Unroll.h"
30 #include "SC_Prototypes.h"
31
32 void Unit_ChooseMulAddFunc(Unit* unit);
33
Unit_New(World * inWorld,UnitSpec * inUnitSpec,char * & memory)34 Unit* Unit_New(World* inWorld, UnitSpec* inUnitSpec, char*& memory) {
35 UnitDef* def = inUnitSpec->mUnitDef;
36
37 Unit* unit = (Unit*)memory;
38 memory += def->mAllocSize;
39
40 unit->mWorld = inWorld;
41 unit->mUnitDef = def;
42
43 uint32 numInputs = inUnitSpec->mNumInputs;
44 uint32 numOutputs = inUnitSpec->mNumOutputs;
45 unit->mNumInputs = numInputs;
46 unit->mNumOutputs = numOutputs;
47 uint64 numPorts = numInputs + numOutputs;
48
49 unit->mInput = (Wire**)memory;
50 memory += numPorts * sizeof(Wire*);
51
52 unit->mOutput = unit->mInput + numInputs;
53
54 unit->mInBuf = (float**)memory;
55 memory += numPorts * sizeof(float*);
56
57 unit->mOutBuf = unit->mInBuf + numInputs;
58
59 unit->mCalcRate = inUnitSpec->mCalcRate;
60 unit->mSpecialIndex = inUnitSpec->mSpecialIndex;
61 Rate* rateInfo = unit->mRate = inUnitSpec->mRateInfo;
62 unit->mBufLength = rateInfo->mBufLength;
63
64 unit->mDone = false;
65
66 return unit;
67 }
68
Unit_Dtor(Unit * inUnit)69 void Unit_Dtor(Unit* inUnit) {}
70
Unit_ZeroOutputs(Unit * unit,int inNumSamples)71 void Unit_ZeroOutputs(Unit* unit, int inNumSamples) {
72 uint32 numOuts = unit->mNumOutputs;
73 for (uint32 i = 0; i < numOuts; ++i) {
74 float* out = OUT(i);
75 Clear(inNumSamples, out);
76 }
77 }
78
Unit_EndCalc(Unit * inUnit,int inNumSamples)79 void Unit_EndCalc(Unit* inUnit, int inNumSamples) {
80 inUnit->mDone = true;
81 Unit_ZeroOutputs(inUnit, inNumSamples);
82 }
83
Unit_End(Unit * inUnit)84 void Unit_End(Unit* inUnit) { inUnit->mCalcFunc = (UnitCalcFunc)&Unit_EndCalc; }
85