libcw/cwIoMidiRecordPlay.h

#ifndef cwIoMidiRecordPlay_h
#define cwIoMidiRecordPlay_h


namespace cw
{
  namespace midi_record_play
  {
    typedef handle< struct midi_record_play_str > handle_t;

    typedef struct midi_msg_str
    {
      unsigned      id;
      time::spec_t  timestamp;
      uint8_t       ch;
      uint8_t       status;
      uint8_t       d0;
      uint8_t       d1;      
    } midi_msg_t;


    typedef void (*event_callback_t)( void* arg, unsigned id, const time::spec_t timestamp, uint8_t ch, uint8_t status, uint8_t d0, uint8_t d1 );
    
    
    rc_t create( handle_t& hRef, io::handle_t ioH, const object_t& cfg, event_callback_t cb=nullptr, void* cb_arg=nullptr );
    rc_t destroy( handle_t& hRef );

    // Set rewindFl to play from start, otherwise play from current output location.
    rc_t start( handle_t h, bool rewindFl=true, const time::spec_t* end_play_event_timestamp=nullptr );
    rc_t stop( handle_t h );
    bool is_started( handle_t h );
    
    rc_t rewind( handle_t h );
    rc_t clear( handle_t h );
    rc_t set_record_state( handle_t h, bool record_fl );
    bool record_state( handle_t h );

    rc_t set_thru_state( handle_t h, bool record_thru );
    bool thru_state( handle_t h );

    rc_t save( handle_t h, const char* fn );
    rc_t open( handle_t h, const char* fn );
    rc_t load( handle_t h, const midi_msg_t* msg, unsigned msg_count );

    rc_t seek( handle_t h, time::spec_t timestamp );
    
    unsigned event_count( handle_t h );
    unsigned event_index( handle_t h );
    rc_t exec( handle_t h, const io::msg_t& msg );

    // Convert an audio-midi file to a MIDI file
    rc_t am_to_midi_file( const char* am_filename, const char* midi_filename );
    rc_t am_to_midi_dir( const char* inDir );
    rc_t am_to_midi_file( const object_t* cfg );
    
  }
}


#endif