/usr/include/tse3/plt/Alsa.h is in libtse3-dev 0.3.1-4.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* @(#)plt/Alsa.h 3.00 12 October 2000
*
* Copyright (c) 2000 Pete Goodliffe (pete@cthree.org)
*
* This file is part of TSE3 - the Trax Sequencer Engine version 3.00.
*
* This library is modifiable/redistributable under the terms of the GNU
* General Public License.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING. If not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef TSE3_PLT_ALSA_H
#define TSE3_PLT_ALSA_H
#include "tse3/MidiScheduler.h"
namespace TSE3
{
namespace Plt
{
/**
* This is the Alsa @ref MidiScheduler implementation.
*
* @short Alsa MidiScheduler implementation
* @author Pete Goodliffe
* @version 0.00
* @see MidiScheduler
* @see AlsaMidiSchedulerFactory
*/
class AlsaMidiScheduler : public MidiScheduler
{
public:
/**
* @throws TSE3::MidiSchedulerError
*/
AlsaMidiScheduler();
virtual ~AlsaMidiScheduler();
protected:
/**
* @reimplemented
*/
virtual const char *impl_implementationName() const;
/**
* @reimplemented
*/
virtual const char *impl_portName(int port) const;
/**
* @reimplemented
*/
virtual const char *impl_portType(int port) const;
/**
* @reimplemented
*/
virtual bool impl_portReadable(int port) const;
/**
* @reimplemented
*/
virtual bool impl_portWriteable(int port) const;
/**
* @reimplemented
*/
virtual void impl_start(Clock clock);
/**
* @reimplemented
*/
virtual void impl_stop(Clock clock);
/**
* @reimplemented
*/
virtual void impl_moveTo(Clock moveTime, Clock newTime);
/**
* @reimplemented
*/
virtual Clock impl_clock();
/**
* @reimplemented
*/
virtual int impl_msecs();
/**
* @reimplemented
*/
virtual void impl_setTempo(int tempo, Clock changeTime);
/**
* @reimplemented
*/
virtual bool impl_eventWaiting();
/**
* @reimplemented
*/
virtual MidiEvent impl_rx();
/**
* @reimplemented
*/
virtual void impl_tx(MidiCommand mc);
/**
* @reimplemented
*/
virtual void impl_tx(MidiEvent mc);
/**
* @reimplemented
*/
virtual void impl_txSysEx(int port,
const unsigned char *data,
size_t size);
private:
AlsaMidiScheduler(const AlsaMidiScheduler &);
AlsaMidiScheduler &operator=(const AlsaMidiScheduler &);
// Private Alsa interface functions
/**
* Reads the current client/port setup of the machine and puts
* this information into the internal "dest" vector.
*/
void getSystemInfo();
/**
* Sends the MidiCommand. If queue SND_SEQ_QUEUE_DIRECT is
* specified, it is sent immediately, bypassing the queue.
*
* In this version of the driver we only support timing in
* msecs. Later on we'll hook into Alsa's ticks and then be
* able to sync to external timing sources.
*/
void alsa_tx(MidiCommand mc, int queue,
long int sec = 0, long int nsec = 0);
class AlsaImpl *pimpl;
};
}
}
#endif
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