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tdemultimedia/arts/midi/alsamidiport_impl.h

86 lines
2.1 KiB

/*
Copyright (C) 2001-2002 Stefan Westerfeld
stefan@space.twc.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef ARTS_ALSAMIDIPORT_IMPL_H
#define ARTS_ALSAMIDIPORT_IMPL_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/**
* compile real version if we have ALSA support, dummy version otherwise
*/
#if defined(HAVE_ARTS_LIBASOUND2) || defined(HAVE_ARTS_LIBASOUND)
#ifdef HAVE_ALSA_ASOUNDLIB_H
#include <alsa/asoundlib.h>
#elif defined(HAVE_SYS_ASOUNDLIB_H)
#include <sys/asoundlib.h>
#endif
#include "artsmidi.h"
namespace Arts {
class AlsaMidiPort_impl : virtual public AlsaMidiPort_skel {
protected:
long _client, _port;
bool opened;
snd_seq_t *alsaSeq;
int alsaQueue;
int alsaClientId;
int alsaPort;
snd_seq_addr_t alsaSourceAddr;
snd_seq_addr_t alsaDestAddr;
void fillAlsaEvent(snd_seq_event_t *ev, const MidiCommand& command);
void sendAlsaEvent(snd_seq_event_t *ev);
void flushAlsa();
public:
AlsaMidiPort_impl(snd_seq_t *seq, long client, long port);
void close();
/* interface MidiPort */
Arts::TimeStamp time();
Arts::TimeStamp playTime();
void processCommand(const MidiCommand& command);
void processEvent(const MidiEvent& event);
/* interface AlsaMidiPort */
void client(long newClient);
long client();
void port(long newPort);
long port();
bool open();
};
}
#endif /* HAVE_ARTS_LIBASOUND2 */
#endif /* ARTS_ALSAMIDIPORT_IMPL_H */