54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
#ifndef INCLUDED_MIDIIO_ASEQ_H
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#define INCLUDED_MIDIIO_ASEQ_H
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#include <string>
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#include <alsa/asoundlib.h>
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#include "midiio.h"
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/**
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* Input and output of raw MIDI streams using
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* ALSA sequencer
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*
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* @author Pedro Lopez-Cabanillas
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*/
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class MIDI_IO_ASEQ : public MIDI_IO {
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public:
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MIDI_IO_ASEQ (const std::string& name = "");
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virtual ~MIDI_IO_ASEQ(void);
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virtual MIDI_IO_ASEQ* clone(void) const { return(new MIDI_IO_ASEQ(*this)); }
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virtual MIDI_IO_ASEQ* new_expr(void) const { return new MIDI_IO_ASEQ(); }
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virtual std::string name(void) const { return("ALSA Sequencer MIDI"); }
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virtual int supported_io_modes(void) const { return(io_read | io_write | io_readwrite); }
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virtual bool supports_nonblocking_mode(void) const { return(true); }
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virtual std::string parameter_names(void) const { return("label,device_name"); }
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virtual void set_parameter(int param, std::string value);
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virtual std::string get_parameter(int param) const;
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virtual void open(void);
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virtual void close(void);
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virtual int poll_descriptor(void) const;
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virtual long int read_bytes(void* target_buffer, long int bytes);
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virtual long int write_bytes(void* target_buffer, long int bytes);
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virtual bool finished(void) const;
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virtual bool pending_messages(unsigned long timeout) const;
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private:
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snd_seq_t* seq_handle_repp;
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snd_midi_event_t* coder_repp;
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int buffer_size_rep;
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int port_rep;
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bool finished_rep;
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std::string device_name_rep;
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};
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#endif
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