/usr/include/flext/fldsp.cpp is in pd-flext-dev 0.6.0+git20161101.1.01318a94-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | /*
flext - C++ layer for Max and Pure Data externals
Copyright (c) 2001-2015 Thomas Grill (gr@grrrr.org)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
/*! \file fldsp.cpp
\brief Implementation of the flext dsp base class.
*/
#ifndef __FLEXT_DSP_CPP
#define __FLEXT_DSP_CPP
#include "flext.h"
#include "flinternal.h"
#include <cstring>
#include "flpushns.h"
// === flext_dsp ==============================================
FLEXT_TEMPIMPL(void FLEXT_CLASSDEF(flext_dsp))::Setup(t_classid id)
{
#if FLEXT_SYS == FLEXT_SYS_PD
// add_method1(c,cb_enable,"enable",A_FLOAT);
AddMethod(id,0,MakeSymbol("enable"),&cb_enable);
#endif
}
FLEXT_TEMPIMPL(FLEXT_CLASSDEF(flext_dsp))::FLEXT_CLASSDEF(flext_dsp)()
: srate(sys_getsr()),blksz(sys_getblksize())
, vecs(NULL)
#if FLEXT_SYS != FLEXT_SYS_MAX
, dspon(true)
#endif
{}
FLEXT_TEMPIMPL(void FLEXT_CLASSDEF(flext_dsp))::Exit()
{
flext_base::Exit();
if(vecs) delete[] vecs;
}
FLEXT_TEMPIMPL(t_int *FLEXT_CLASSDEF(flext_dsp))::dspmeth(t_int *w)
{
flext_dsp *obj = (flext_dsp *)(size_t)w[1];
#if FLEXT_SYS == FLEXT_SYS_MAX
if(!obj->thisHdr()->z_disabled)
#else
if(LIKELY(obj->dspon))
#endif
{
flext_base::indsp = true;
obj->CbSignal();
flext_base::indsp = false;
}
return w+2;
}
FLEXT_TEMPIMPL(void FLEXT_CLASSDEF(flext_dsp))::SetupDsp(t_signal **sp)
{
int i;
int in = CntInSig();
int out = CntOutSig();
#if FLEXT_SYS == FLEXT_SYS_PD
// min. 1 input channel! (CLASS_MAININLET in pd...)
if(!in) in = 1;
#endif
// store current dsp parameters
srate = sys_getsr(); // \TODO need not be stored in each object....
// overlap = sp[0]->s_sr/srate; // currently not used/exposed
blksz = sp[0]->s_n; // is this guaranteed to be the same as sys_getblksize() ?
// store in and out signal vectors
if((in+out) && !vecs)
vecs = new t_signalvec[in+out];
for(i = 0; i < in; ++i)
vecs[i] = sp[i]->s_vec;
for(i = 0; i < out; ++i)
vecs[in+i] = sp[in+i]->s_vec;
// with the following call derived classes can do their eventual DSP setup
if(CbDsp()) {
// set the DSP function
dsp_add((t_dspmethod)dspmeth,1,this);
}
}
FLEXT_TEMPIMPL(void FLEXT_CLASSDEF(flext_dsp))::m_dsp(int /*n*/,t_signalvec const * /*insigs*/,t_signalvec const * /*outsigs*/) {}
FLEXT_TEMPIMPL(bool FLEXT_CLASSDEF(flext_dsp))::CbDsp()
{
// invoke legacy method
m_dsp(Blocksize(),InSig(),OutSig());
return true;
}
// this function will be overridden anyway - the probably useless default is clearing all outputs
FLEXT_TEMPIMPL(void FLEXT_CLASSDEF(flext_dsp))::m_signal(int n,t_sample *const * /*insigs*/,t_sample *const *outs)
{
for(int i = 0; i < CntOutSig(); ++i) ZeroSamples(outs[i],n);
}
FLEXT_TEMPIMPL(void FLEXT_CLASSDEF(flext_dsp))::CbSignal()
{
// invoke legacy method
m_signal(Blocksize(),InSig(),OutSig());
}
#if FLEXT_SYS == FLEXT_SYS_PD
//void flext_dsp::cb_enable(flext_hdr *c,t_float on) { thisObject(c)->dspon = on != 0; }
FLEXT_TEMPIMPL(bool FLEXT_CLASSDEF(flext_dsp))::cb_enable(flext_base *b,float &on)
{
static_cast<flext_dsp *>(b)->dspon = on != 0;
return true;
}
#endif
#include "flpopns.h"
#endif // __FLEXT_DSP_CPP
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