You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
1.7 KiB
65 lines
1.7 KiB
15 years ago
|
/*
|
||
|
|
|
||
|
|
Copyright (C) 2000 Stefan Westerfeld
|
||
|
|
stefan@space.twc.de
|
||
|
|
|
||
|
|
This library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Library General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
This library 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
|
||
|
|
Library General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Library General Public License
|
||
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
||
|
15 years ago
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
||
|
|
Boston, MA 02110-1301, USA.
|
||
|
15 years ago
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "artsflow.h"
|
||
|
|
#include "stdsynthmodule.h"
|
||
|
|
|
||
|
|
using namespace Arts;
|
||
|
|
|
||
|
|
namespace Arts {
|
||
|
|
|
||
|
|
class Synth_MULTI_ADD_impl :public Synth_MULTI_ADD_skel, public StdSynthModule
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
void calculateBlock(unsigned long cycles);
|
||
|
|
AutoSuspendState autoSuspend() { return asSuspend; }
|
||
|
|
};
|
||
|
|
|
||
|
|
REGISTER_IMPLEMENTATION(Synth_MULTI_ADD_impl);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void Synth_MULTI_ADD_impl::calculateBlock(unsigned long cycles)
|
||
|
|
{
|
||
|
|
float *outend = outvalue + cycles;
|
||
|
|
float *outp, *inp;
|
||
|
|
|
||
|
|
if(!invalue[0])
|
||
|
|
{
|
||
|
|
// no invalue? zero out the outvalue
|
||
|
|
for(outp = outvalue; outp != outend; outp++) *outp = 0.0;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// copy first signal
|
||
|
|
for(outp = outvalue, inp = invalue[0]; outp != outend; outp++, inp++)
|
||
|
|
*outp = *inp;
|
||
|
|
|
||
|
|
// add the others
|
||
|
|
for(int sig=1;(inp = invalue[sig]) != 0;sig++)
|
||
|
|
{
|
||
|
|
for(outp = outvalue; outp != outend;outp++,inp++)
|
||
|
|
*outp += *inp;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|