AlsaMixer.app/AMixer/AChannel.h

   1 // AChannel.h
   2 //
   3 // Copyright (C) 2004, Petr Hlavka
   4 //
   5 // SPDX-License-Identifier: GPL-2.0+
   6
   7 #ifndef ACHANNEL_H
   8 #define ACHANNEL_H
   9
  10 #include "AMixer.h"
  11 #include "AItem.h"
  12
  13 #include <alsa/asoundlib.h>
  14
  15 #define SNDCHID_T       snd_mixer_selem_channel_id_t
  16
  17 class AItem;
  18
  19 class AChannel {
  20   private:
  21     SNDCHID_T id;               // channel id (front left, f. right, ...)
  22     AItem *aItem;               // parent mixer item
  23   public:
  24     AChannel(AItem *item, SNDCHID_T cID);       // ctor
  25     ~AChannel();                                // dtor
  26
  27     long getVolume();           // get channel volume
  28     void setVolume(long value); // set channel volume
  29     bool isMuted();             // return true, if channel is muted
  30 };
  31
  32 #endif