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/* BSE - Better Sound Engine
* Copyright (C) 2004 Tim Janik
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* A copy of the GNU Lesser General Public License should ship along
* with this library; if not, see http://www.gnu.org/copyleft/.
*/
#include "bsebusmodule.genidl.hh"
namespace Bse {
class BusModule : public BusModuleBase {
/* bus-module module implementation */
class Module : public SynthesisModule {
/* configuration: */
double level1, level2;
public:
void
config (BusModuleProperties *params)
{
level1 = params->volume1;
level2 = params->volume2;
}
void
reset ()
{
}
void
process (unsigned int n_values)
{
if (istream (ICHANNEL_AUDIO_IN1).connected && ostream (OCHANNEL_AUDIO_OUT1).connected)
{
const float *audio_in = istream (ICHANNEL_AUDIO_IN1).values;
if (level1 == 1.0)
ostream_set (OCHANNEL_AUDIO_OUT1, audio_in);
else if (level1 == 0.0)
ostream_set (OCHANNEL_AUDIO_OUT1, const_values (0.0));
else
{
float *audio_out = ostream (OCHANNEL_AUDIO_OUT1).values;
float *const audio_bound = audio_out + n_values;
while (audio_out < audio_bound)
*audio_out++ = level1 * *audio_in++;
}
}
if (istream (ICHANNEL_AUDIO_IN2).connected && ostream (OCHANNEL_AUDIO_OUT2).connected)
{
const float *audio_in = istream (ICHANNEL_AUDIO_IN2).values;
if (level2 == 1.0)
ostream_set (OCHANNEL_AUDIO_OUT2, audio_in);
else if (level2 == 0.0)
ostream_set (OCHANNEL_AUDIO_OUT2, const_values (0.0));
else
{
float *audio_out = ostream (OCHANNEL_AUDIO_OUT2).values;
float *const audio_bound = audio_out + n_values;
while (audio_out < audio_bound)
*audio_out++ = level2 * *audio_in++;
}
}
}
};
public:
/* implement creation and config methods for synthesis Module */
BSE_EFFECT_INTEGRATE_MODULE (BusModule, Module, BusModuleProperties);
};
BSE_CXX_DEFINE_EXPORTS ();
BSE_CXX_REGISTER_EFFECT (BusModule);
} // Bse
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