teensy-audio/multiplier.h

/* Audio Library for Teensy 3.X
 * Copyright (c) 2014, Paul Stoffregen, paul@pjrc.com
 *
 * Development of this audio library was funded by PJRC.COM, LLC by sales of
 * Teensy and Audio Adaptor boards.  Please support PJRC's efforts to develop
 * open source software by purchasing Teensy or other PJRC products.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice, development funding notice, and this permission
 * notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef multiplier_h_
#define multiplier_h_

#include "AudioStream.h"

class AudioMultiplier2 : 
public AudioStream
{
public:
  AudioMultiplier2(void) : 
  AudioStream(2, inputQueueArray) {
    //		for (int i=0; i<2; i++) multiplier[i] = 65536;
  }
  virtual void update(void);
  /*	void gain(unsigned int channel, float gain) {
   		if (channel >= 4) return;
   		if (gain > 32767.0f) gain = 32767.0f;
   		else if (gain < 0.0f) gain = 0.0f;
   		multiplier[channel] = gain * 65536.0f; // TODO: proper roundoff?
   	}
   	*/
private:
  //	int32_t multiplier[2];
  audio_block_t *inputQueueArray[2];
};

#endif