xbmc/cores/AudioEngine/Utils/AELimiter.h

   1 /*
   2  *  Copyright (C) 2010-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "AEAudioFormat.h"
  12
  13 #include <algorithm>
  14
  15 class CAELimiter
  16 {
  17   private:
  18     float m_amplify;
  19     float m_attenuation;
  20     float m_samplerate;
  21     int   m_holdcounter;
  22     float m_increase;
  23
  24   public:
  25     CAELimiter();
  26
  27     void SetAmplification(float amplify)
  28     {
  29       m_amplify = std::max(std::min(amplify, 1000.0f), 0.0f);
  30     }
  31
  32     float GetAmplification() const
  33     {
  34       return m_amplify;
  35     }
  36
  37     void SetSamplerate(int samplerate)
  38     {
  39       m_samplerate = (float)samplerate;
  40     }
  41
  42     float Run(float* frame[AE_CH_MAX], int channels, int offset = 0, bool planar = false);
  43 };