107 lines
2.3 KiB
C++
107 lines
2.3 KiB
C++
// mixctl.h - MixCtl class provides control of audio mixer functions
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//
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// Release 1.5
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// Copyright (C) 1998 Sam Hawker <shawkie@geocities.com>
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// Copyright (C) 2002 Gordon Fraser <gordon@debian.org>
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// This software comes with ABSOLUTELY NO WARRANTY
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// This software is free software, and you are welcome to redistribute it
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// under certain conditions
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// See the COPYING file for details.
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#ifndef __mixctl_h__
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#define __mixctl_h__
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#ifdef __NetBSD__
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#include <soundcard.h>
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#endif
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#if defined (__FreeBSD__) || defined(__FreeBSD_kernel__)
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#include <sys/soundcard.h>
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#endif
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#ifdef __linux__
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#include <linux/soundcard.h>
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#endif
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#ifdef __GNU__ // Hurd
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#include <sys/soundcard.h>
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#endif
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#include "exception.h"
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//----------------------------------------------------------------------
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struct _MixerDevice_{
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bool support;
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bool stereo;
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bool recsrc;
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bool records;
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char *name;
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char *label;
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int value;
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int mask;
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int muted;
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};
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typedef struct _MixerDevice_ MixerDevice;
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//----------------------------------------------------------------------
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class MixCtl
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{
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protected:
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int mixfd;
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int mixfdopen;
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char* device_;
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int muted_;
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unsigned num_devices_; // maximum number of devices
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int devmask; // supported devices
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int stmask; // stereo devices
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int recmask; // devices which can be recorded from
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int caps; // capabilities
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int recsrc; // devices which are being recorded from
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int modify_counter;
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MixerDevice* mixer_devices_;
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void doStatus();
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public:
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MixCtl(char *dname) throw(MixerDeviceException);
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virtual ~MixCtl();
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int readVol(int, bool);
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int readLeft(int);
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int readRight(int);
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void writeVol(int);
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void setVol(int, int);
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void setBoth(int, int, int);
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void setLeft(int, int);
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void setRight(int, int);
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bool readRec(int, bool);
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void writeRec();
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void setRec(int, bool);
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char *getDevName();
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unsigned getNrDevices();
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int getCapabilities();
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bool getSupport(int);
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bool getStereo(int);
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bool getRecords(int);
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char *getName(int);
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char *getLabel(int);
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bool hasChanged();
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bool isMuted(int);
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void mute(int);
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void unmute(int);
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};
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#endif // __mixctl_h__
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