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/*
* Copyright (c) 2004 by Hannu Savolainen < hannu@opensound.com>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1 as
* published by the Free Software Foundation.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include "local.h"
static snd_seq_event_t *
alloc_event (snd_seq_t * seq)
{
snd_seq_event_t *ev;
if (seq->nevents >= MAX_EVENTS)
{
fprintf (stderr, "libsalsa: Local buffer overflow - event dropped\n");
return NULL;
}
ev = &seq->events[seq->nevents++];
ev->type = SND_SEQ_EVENT_SENSING; /* NOP message */
return ev;
}
static void
voice_message (snd_seq_t * seq, unsigned char msg, unsigned char ch,
unsigned char *parms, int len)
{
snd_seq_event_t *ev;
if ((ev = alloc_event (seq)) == NULL)
return;
dbg_printf3 ("Voice message %02x, ch=%d, %3d, %3d\n", msg, ch, parms[0],
parms[1]);
switch (msg)
{
case MIDI_NOTEON:
ev->type = SND_SEQ_EVENT_NOTEON;
ev->data.note.channel = ch;
ev->data.note.note = parms[0];
ev->data.note.velocity = parms[1];
break;
case MIDI_NOTEOFF:
ev->type = SND_SEQ_EVENT_NOTEOFF;
ev->data.note.channel = ch;
ev->data.note.note = parms[0];
ev->data.note.velocity = parms[1];
break;
}
}
static void
channel_message (snd_seq_t * seq, unsigned char msg, unsigned char ch,
unsigned char *parms, int len)
{
snd_seq_event_t *ev;
if ((ev = alloc_event (seq)) == NULL)
return;
dbg_printf3 ("Channel message %02x, ch=%d, %3d, %3d\n", msg, ch, parms[0],
parms[1]);
}
static void
realtime_message (snd_seq_t * seq, unsigned char msg, unsigned char *parms,
int len)
{
snd_seq_event_t *ev;
if ((ev = alloc_event (seq)) == NULL)
return;
dbg_printf3 ("Realtime message %02x, %2x\n", msg, parms[0]);
}
static void
sysex_message (snd_seq_t * seq, unsigned char *parms, int len)
{
int i;
snd_seq_event_t *ev;
if ((ev = alloc_event (seq)) == NULL)
return;
if (alib_verbose > 2)
{
printf ("Sysex message: ");
for (i = 0; i < len; i++)
printf ("%02x ", parms[i]);
printf ("\n");
}
}
void
midiparser_callback (void *context, int category, unsigned char msg,
unsigned char ch, unsigned char *parms, int len)
{
switch (category)
{
case CAT_VOICE:
voice_message ((snd_seq_t *) context, msg, ch, parms, len);
break;
case CAT_CHN:
channel_message ((snd_seq_t *) context, msg, ch, parms, len);
break;
case CAT_REALTIME:
realtime_message ((snd_seq_t *) context, msg, parms, len);
break;
case CAT_SYSEX:
sysex_message ((snd_seq_t *) context, parms, len);
break;
case CAT_MTC:
default:
dbg_printf ("Unknown MIDI message category %d\n", category);
}
}
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