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/*
* Copyright 2009,2010,2011 Reality Jockey, Ltd.
* info@rjdj.me
* http://rjdj.me/
*
* This file is part of ZenGarden.
*
* ZenGarden 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 3 of the License, or
* (at your option) any later version.
*
* ZenGarden 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with ZenGarden. If not, see <http://www.gnu.org/licenses/>.
*
*/

#include "MessageDbToRms.h"

MessageObject *MessageDbToRms::newObject(PdMessage *initMessage, PdGraph *graph) {
  return new MessageDbToRms(graph);
}

MessageDbToRms::MessageDbToRms(PdGraph *graph) : MessageObject(1, 1, graph) {
  // nothing to do
}

MessageDbToRms::~MessageDbToRms() {
  // nothing to do
}

const char *MessageDbToRms::getObjectLabel() {
  return "dbtorms";
}

void MessageDbToRms::processMessage(int inletIndex, PdMessage *message) {
  if (message->isFloat(0)) {
    float dbToRms = (message->getFloat(0) <= 0.0f) ? 0.0f :
        0.00001f * powf(10.0f, message->getFloat(0) / 20.0f);
    PdMessage *outgoingMessage = PD_MESSAGE_ON_STACK(1);
    outgoingMessage->initWithTimestampAndFloat(message->getTimestamp(), dbToRms);
    sendMessage(0, outgoingMessage);
  }
}
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