/*
 *  dolmetschctl
 *
 *
 *  Copyright (C) 2015 Christian Pointner <equinox@spreadspace.org>
 *
 *  This file is part of dolmetschctl.
 *
 *  dolmetschctl is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  dolmetschctl 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with dolmetschctl. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef DOLMETSCHCTL_midi_h_INCLUDED
#define DOLMETSCHCTL_midi_h_INCLUDED

#include <alsa/asoundlib.h>
#include <poll.h>

#include "slist.h"
#include "mixer.h"

typedef struct {
  snd_rawmidi_t* input_;
  int in_pfds_cnt_;
  snd_rawmidi_t* output_;
  int out_pfds_cnt_;
  u_int8_t buf_[3];
  int read_idx_;
  slist_t done_data_;
} midi_t;

typedef struct {
  midi_t* self_;
  int active_;
  const u_int8_t* buf_;
  int len_;
  int write_idx_;
} midi_done_data_t;

int midi_init(midi_t* m, const char* device);
int midi_get_poll_fd_count(midi_t* m);
int midi_get_poll_fds(midi_t* m, struct pollfd *pfds, int npfds);
int midi_handle_revents(midi_t* m, struct pollfd *pfds, int npfds, mixer_t* x);

#endif