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// ------------------------------------------------------------------------
// stamp-ctrl.cpp: Controller sources that analyze audio stamps
// and produce control data.
// Copyright (C) 2000,2001,2008 Kai Vehmanen
//
// Attributes:
// eca-style-version: 3 (see Ecasound Programmer's Guide)
//
// This program is fre 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
// ------------------------------------------------------------------------
#include "samplebuffer_functions.h"
#include "stamp-ctrl.h"
VOLUME_ANALYZE_CONTROLLER::VOLUME_ANALYZE_CONTROLLER(void)
{
}
CONTROLLER_SOURCE::parameter_t VOLUME_ANALYZE_CONTROLLER::value(double pos)
{
parameter_t v = 0.0f;
fetch_stamp(&sbuf_rep);
if (rms_mode_rep != 0)
v = SAMPLE_BUFFER_FUNCTIONS::RMS_volume(sbuf_rep);
else
v = SAMPLE_BUFFER_FUNCTIONS::average_amplitude(sbuf_rep);
if (!(v > 0.0f)) v = 0.0f;
// cerr << "(volume-analyze-ctrl) Fetches a sbuf with value " << v << endl;
return v;
}
void VOLUME_ANALYZE_CONTROLLER::init(void)
{
}
void VOLUME_ANALYZE_CONTROLLER::set_parameter(int param, CONTROLLER_SOURCE::parameter_t value)
{
switch (param) {
case 1:
set_id(static_cast<int>(value));
break;
case 2:
rms_mode_rep = static_cast<int>(value);
break;
}
}
CONTROLLER_SOURCE::parameter_t VOLUME_ANALYZE_CONTROLLER::get_parameter(int param) const
{
switch (param) {
case 1:
return static_cast<parameter_t>(id());
case 2:
return static_cast<parameter_t>(rms_mode_rep);
}
return 0.0f;
}
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