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61 lines
1.5 KiB
61 lines
1.5 KiB
#ifndef MIXER_ALSA_H
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#define MIXER_ALSA_H
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// QT includes
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#include <tqvaluelist.h>
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// Forward QT includes
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class TQString;
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class TQSocketNotifier;
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#include "mixer_backend.h"
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class Mixer_ALSA : public Mixer_Backend
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{
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public:
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Mixer_ALSA( int device = -1 );
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~Mixer_ALSA();
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virtual int readVolumeFromHW( int devnum, Volume &vol );
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virtual int writeVolumeToHW( int devnum, Volume &vol );
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virtual bool setRecsrcHW( int devnum, bool on);
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virtual bool isRecsrcHW( int devnum );
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virtual void setEnumIdHW(int mixerIdx, unsigned int);
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virtual unsigned int enumIdHW(int mixerIdx);
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virtual bool prepareUpdateFromHW();
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virtual bool needsPolling() { return false; }
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virtual void prepareSignalling( Mixer *mixer );
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protected:
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virtual int open();
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virtual int close();
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private:
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int identify( snd_mixer_selem_id_t *sid );
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snd_mixer_elem_t* getMixerElem(int devnum);
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void removeSignalling();
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virtual TQString errorText(int mixer_error);
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typedef TQValueList<snd_mixer_selem_id_t *>AlsaMixerSidList;
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AlsaMixerSidList mixer_sid_list;
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typedef TQValueList<snd_mixer_elem_t *> AlsaMixerElemList; // !! remove
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AlsaMixerElemList mixer_elem_list; // !! remove
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bool _initialUpdate;
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snd_mixer_t *_handle;
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TQString devName;
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struct pollfd *m_fds;
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TQSocketNotifier **m_sns;
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int m_count;
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};
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class ALSA_DevIterator : public DevIterator
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{
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public:
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ALSA_DevIterator();
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virtual void next();
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};
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#endif
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