void SeqDriver::procEvents()
{
int l1;
snd_seq_event_t *evIn, evOut;
bool outOfRange = false;
bool unmatched = false;
MidiMap* mm;
do {
snd_seq_event_input(seq_handle, &evIn);
emit midiEvent(evIn);
unmatched = true;
for(l1 = 0; l1 < midiMapList->count(); l1++) {
mm = midiMapList->at(l1);
if (mm->isMap(evIn)) {
unmatched = false;
mm->doMap(evIn, &evOut, &outOfRange);
if (!outOfRange) {
snd_seq_ev_set_subs(&evOut);
snd_seq_ev_set_direct(&evOut);
snd_seq_ev_set_source(&evOut, portid_out[mm->portOut]);
snd_seq_event_output_direct(seq_handle, &evOut);
}
}
}
if (!discardUnmatched && unmatched) {
snd_seq_ev_set_subs(evIn);
snd_seq_ev_set_direct(evIn);
snd_seq_ev_set_source(evIn, portid_out[portUnmatched]);
snd_seq_event_output_direct(seq_handle, evIn);
}
} while (snd_seq_event_input_pending(seq_handle, 0) > 0);
}
void
midibus::continue_from( long a_tick )
{
/* tell the device that we are going to start at a certain position */
long pp16th = (c_ppqn / 4);
long leftover = ( a_tick % pp16th );
long beats = ( a_tick / pp16th );
long starting_tick = a_tick - leftover;
/* was there anything left?, then wait for next beat (16th note) to start clocking */
if ( leftover > 0)
{
starting_tick += pp16th;
}
//printf ( "continue_from leftover[%ld] starting_tick[%ld]\n", leftover, starting_tick );
m_lasttick = starting_tick - 1;
if ( m_clock_type != e_clock_off )
{
//printf( "control value %ld\n", beats);
snd_seq_event_t evc;
snd_seq_event_t ev;
ev.type = SND_SEQ_EVENT_CONTINUE;
evc.type = SND_SEQ_EVENT_SONGPOS;
evc.data.control.value = beats;
snd_seq_ev_set_fixed( &ev );
snd_seq_ev_set_fixed( &evc );
snd_seq_ev_set_priority( &ev, 1 );
snd_seq_ev_set_priority( &evc, 1 );
/* set source */
snd_seq_ev_set_source(&evc, m_local_addr_port );
snd_seq_ev_set_subs(&evc);
snd_seq_ev_set_source(&ev, m_local_addr_port );
snd_seq_ev_set_subs(&ev);
// its immediate
snd_seq_ev_set_direct( &ev );
snd_seq_ev_set_direct( &evc );
/* pump it into the queue */
snd_seq_event_output(m_seq, &evc);
flush();
snd_seq_event_output(m_seq, &ev);
}
}
void
midibus::clock (midipulse tick)
{
#ifdef SEQ64_HAVE_LIBASOUND
automutex locker(m_mutex);
if (m_clock_type != e_clock_off)
{
bool done = m_lasttick >= tick;
int ct = clock_ticks_from_ppqn(m_ppqn); /* ppqn / 24 */
while (! done)
{
++m_lasttick;
done = m_lasttick >= tick;
if ((m_lasttick % ct) == 0) /* tick time? */
{
/*
* Set the event tag to 127 so the sequences won't remove it.
*/
snd_seq_event_t ev;
ev.type = SND_SEQ_EVENT_CLOCK;
ev.tag = 127;
snd_seq_ev_set_fixed(&ev);
snd_seq_ev_set_priority(&ev, 1);
snd_seq_ev_set_source(&ev, m_local_addr_port); /* set source */
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_direct(&ev); /* it's immediate */
snd_seq_event_output(m_seq, &ev); /* pump it into queue */
}
}
flush(); /* and send out */
}
#endif // SEQ64_HAVE_LIBASOUND
}
static void
note_on(int note, real_t power) {
snd_seq_event_t ev;
if (debug>1)
fprintf(stderr, "midimatch: (%ld) note on: note:%-3d p:%.2f name:%s@%d\n",
absolute_time, note, power,
midi_notename(note), midi_octave(note));
else if (debug>0)
fprintf(stderr, ".");
stats_note_ons ++;
act_freq[note] = 1;
if (midi_file != NULL ) {
midi_write_note_event(0x90 | midi_channel, note, 100, midi_file);
}
if ( use_sequencer ) {
snd_seq_ev_clear(&ev);
snd_seq_ev_set_source(&ev, 0);
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_direct(&ev);
snd_seq_ev_set_noteon(&ev, midi_channel, note, 100) ;
snd_seq_event_output(midi_sequencer, &ev);
snd_seq_drain_output(midi_sequencer);
}
}
static void
note_off(int note, real_t power) {
snd_seq_event_t ev;
if (debug>2)
fprintf(stderr, "midimatch: (%ld) note off: note:%-3d p:%.2f maxp:%0.2f\n",
absolute_time, note, power, act_freq[note]);
act_freq[note] = 0.0f;
if (midi_file != NULL )
midi_write_note_event(0x80 | midi_channel, note, 100, midi_file);
if ( use_sequencer ) {
snd_seq_ev_clear(&ev);
snd_seq_ev_set_source(&ev, 0);
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_direct(&ev);
snd_seq_ev_set_noteoff(&ev, midi_channel, note, 100) ;
snd_seq_event_output(midi_sequencer, &ev);
snd_seq_drain_output(midi_sequencer);
}
}
void sendMessageNow (const MidiMessage& message)
{
if (message.getRawDataSize() > maxEventSize)
{
maxEventSize = message.getRawDataSize();
snd_midi_event_free (midiParser);
snd_midi_event_new (maxEventSize, &midiParser);
}
snd_seq_event_t event;
snd_seq_ev_clear (&event);
long numBytes = (long) message.getRawDataSize();
const uint8* data = message.getRawData();
while (numBytes > 0)
{
const long numSent = snd_midi_event_encode (midiParser, data, numBytes, &event);
if (numSent <= 0)
break;
numBytes -= numSent;
data += numSent;
snd_seq_ev_set_source (&event, 0);
snd_seq_ev_set_subs (&event);
snd_seq_ev_set_direct (&event);
snd_seq_event_output (seqHandle, &event);
}
snd_seq_drain_output (seqHandle);
snd_midi_event_reset_encode (midiParser);
}
void qxgeditMidiDevice::sendSysex (
unsigned char *pSysex, unsigned short iSysex ) const
{
#ifdef CONFIG_DEBUG
fprintf(stderr, "qxgeditMidiDevice::sendSysex(%p, %u)", pSysex, iSysex);
fprintf(stderr, " sysex {");
for (unsigned short i = 0; i < iSysex; ++i)
fprintf(stderr, " %02x", pSysex[i]);
fprintf(stderr, " }\n");
#endif
// Don't do anything else if engine
// has not been activated...
if (m_pAlsaSeq == NULL)
return;
// Initialize sequencer event...
snd_seq_event_t ev;
snd_seq_ev_clear(&ev);
// Addressing...
snd_seq_ev_set_source(&ev, m_iAlsaPort);
snd_seq_ev_set_subs(&ev);
// The event will be direct...
snd_seq_ev_set_direct(&ev);
// Just set SYSEX stuff and send it out..
ev.type = SND_SEQ_EVENT_SYSEX;
snd_seq_ev_set_sysex(&ev, iSysex, pSysex);
snd_seq_event_output_direct(m_pAlsaSeq, &ev);
}
void
midibus::play (event * a_e24, unsigned char a_channel)
{
#ifdef HAVE_LIBASOUND
automutex locker(m_mutex);
snd_seq_event_t ev;
snd_midi_event_t *midi_ev; /* ALSA MIDI parser */
unsigned char buffer[3]; /* temp for MIDI data */
/* fill buffer and set midi channel */
buffer[0] = a_e24->get_status();
buffer[0] += (a_channel & 0x0F);
a_e24->get_data(&buffer[1], &buffer[2]);
snd_midi_event_new(10, &midi_ev);
/* clear event */
snd_seq_ev_clear(&ev);
snd_midi_event_encode(midi_ev, buffer, 3, &ev);
snd_midi_event_free(midi_ev);
/* set source */
snd_seq_ev_set_source(&ev, m_local_addr_port);
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_direct(&ev); // its immediate
/* pump it into the queue */
snd_seq_event_output(m_seq, &ev);
#endif // HAVE_LIBASOUND
}
void aubio_midi_direct_output(aubio_midi_driver_t * d, aubio_midi_event_t * event)
{
aubio_alsa_seq_driver_t* dev = (aubio_alsa_seq_driver_t*) d;
switch(event->type)
{
case NOTE_ON:
ev.type = SND_SEQ_EVENT_NOTEON;
ev.data.note.channel = event->channel;
ev.data.note.note = event->param1;
ev.data.note.velocity = event->param2;
//AUBIO_ERR( "NOTE_ON %d\n", event->param1);
break;
case NOTE_OFF:
ev.type = SND_SEQ_EVENT_NOTEOFF;
ev.data.note.channel = event->channel;
ev.data.note.note = event->param1;
ev.data.note.velocity = event->param2;
//AUBIO_ERR( "NOTE_OFF %d\n", event->param1);
break;
default:
break;
}
if (ev.type == SND_SEQ_EVENT_NOTEOFF || ev.type == SND_SEQ_EVENT_NOTEON ) {
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_direct(&ev);
snd_seq_ev_set_source(&ev, dev->seq_port);
snd_seq_event_output_direct(dev->seq_handle, &ev);
}
}
void
midibus::stop()
{
m_lasttick = -1;
if ( m_clock_type != e_clock_off ){
snd_seq_event_t ev;
ev.type = SND_SEQ_EVENT_STOP;
snd_seq_ev_set_fixed( &ev );
snd_seq_ev_set_priority( &ev, 1 );
/* set source */
snd_seq_ev_set_source(&ev, m_local_addr_port );
snd_seq_ev_set_subs(&ev);
// its immediate
snd_seq_ev_set_direct( &ev );
/* pump it into the queue */
snd_seq_event_output(m_seq, &ev);
}
}
void sendMessageNow (const MidiMessage& message)
{
if (message.getRawDataSize() > maxEventSize)
{
maxEventSize = message.getRawDataSize();
snd_midi_event_free (midiParser);
snd_midi_event_new (maxEventSize, &midiParser);
}
snd_seq_event_t event;
snd_seq_ev_clear (&event);
snd_midi_event_encode (midiParser,
message.getRawData(),
message.getRawDataSize(),
&event);
snd_midi_event_reset_encode (midiParser);
snd_seq_ev_set_source (&event, 0);
snd_seq_ev_set_subs (&event);
snd_seq_ev_set_direct (&event);
snd_seq_event_output (seqHandle, &event);
snd_seq_drain_output (seqHandle);
}
void* lp2midi(void* nothing)
{
printf("waiting for launchpad events\n");
snd_seq_event_t event;
while (1) {
// wait for an event
lp_receive(lp);
// setup
snd_seq_ev_clear(&event);
snd_seq_ev_set_source(&event, midi_out); // set the output port number
snd_seq_ev_set_subs(&event); // broadcast to subscribers
// fill the event
switch(lp->event[0]) {
case NOTE:
snd_seq_ev_set_noteon(&event, 0, lp->event[1], lp->event[2]);
break;
case CTRL:
snd_seq_ev_set_controller(&event, 0, lp->event[1], lp->event[2]);
break;
}
// send now
snd_seq_ev_set_direct(&event);
snd_seq_event_output(midi_client, &event);
snd_seq_drain_output(midi_client);
}
}
void stop_midireceiver (JackVST *jvst)
{
int err;
snd_seq_event_t event;
snd_seq_t *seq2 = create_sequencer ("jfstquit", true);
jvst->midiquit = 1;
snd_seq_connect_to (seq2, 0, snd_seq_client_id (jvst->seq),0);
snd_seq_ev_clear (&event);
snd_seq_ev_set_direct (&event);
snd_seq_ev_set_subs (&event);
snd_seq_ev_set_source (&event, 0);
snd_seq_ev_set_controller (&event,1,0x80,50);
if ((err = snd_seq_event_output (seq2, &event)) < 0) {
fst_error ("cannot send stop event to midi thread: %s\n",
snd_strerror (err));
}
snd_seq_drain_output (seq2);
snd_seq_close (seq2);
pthread_join (jvst->midi_thread,NULL);
snd_seq_close (jvst->seq);
}
void send_event() {
snd_seq_ev_set_direct(&ev);
snd_seq_ev_set_source(&ev, my_port);
snd_seq_ev_set_dest(&ev, seq_client, seq_port);
snd_seq_event_output(seq_handle, &ev);
snd_seq_drain_output(seq_handle);
}
void midi_noteon_alsa(struct midi_handle *mh,
unsigned char port,
unsigned char channel,
unsigned char value,
unsigned char volume)
{
struct midi_handle_alsa *mha = (struct midi_handle_alsa *) mh;
snd_seq_event_t ev;
struct snd_seq_real_time tstamp;
int rc;
if (port >= MAX_PORTS)
return;
memset(&tstamp, 0, sizeof(tstamp));
snd_seq_ev_clear(&ev);
snd_seq_ev_set_source(&ev, mha->outputport[port]);
snd_seq_ev_set_subs(&ev);
/* snd_seq_ev_set_dest(&ev, 128, 0); */
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_noteon(&ev, channel, value, volume);
/* ev.data.note.duration = 1000; */ /* it's drums... there is no note off. */
snd_seq_ev_schedule_real(&ev, mha->queue, 1, &tstamp);
/* printf("Sending event to port %d, chan=%d, note=%d, vel=%d, pid=%d\n",
mha->outputport, ev.data.note.channel,
ev.data.note.note, ev.data.note.velocity, getpid()); */
rc = snd_seq_event_output(mha->seqp, &ev);
if (rc < 0)
printf("Failed to output note.\n");
snd_seq_drain_output(mha->seqp);
return;
}
void
midibus::continue_from (midipulse tick)
{
#ifdef SEQ64_HAVE_LIBASOUND
/*
* Tell the device that we are going to start at a certain position.
*/
midipulse pp16th = m_ppqn / 4;
midipulse leftover = tick % pp16th;
long beats = tick / pp16th;
midipulse starting_tick = tick - leftover;
/*
* Was there anything left? Then wait for next beat (16th note) to
* start clocking.
*/
if (leftover > 0)
starting_tick += pp16th;
m_lasttick = starting_tick - 1;
if (m_clock_type != e_clock_off)
{
snd_seq_event_t ev;
ev.type = SND_SEQ_EVENT_CONTINUE;
snd_seq_event_t evc;
evc.type = SND_SEQ_EVENT_SONGPOS;
evc.data.control.value = beats;
snd_seq_ev_set_fixed(&ev);
snd_seq_ev_set_fixed(&evc);
snd_seq_ev_set_priority(&ev, 1);
snd_seq_ev_set_priority(&evc, 1);
snd_seq_ev_set_source(&evc, m_local_addr_port); /* set the source */
snd_seq_ev_set_subs(&evc);
snd_seq_ev_set_source(&ev, m_local_addr_port);
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_direct(&ev); /* it's immediate */
snd_seq_ev_set_direct(&evc);
snd_seq_event_output(m_seq, &evc); /* pump into queue */
flush();
snd_seq_event_output(m_seq, &ev);
}
#endif // SEQ64_HAVE_LIBASOUND
}
static PyObject *
alsaseq_output(PyObject *self, PyObject *args)
{
snd_seq_event_t ev;
static PyObject * data;
if (!PyArg_ParseTuple(args, "(bbbb(ii)(bb)(bb)O)", &ev.type, &ev.flags, &ev.tag, &ev.queue, &ev.time.time.tv_sec, &ev.time.time.tv_nsec, &ev.source.client, &ev.source.port, &ev.dest.client, &ev.dest.port, &data ))
return NULL;
if (!seq_handle) {
PyErr_SetString(PyExc_RuntimeError, "Must initialize module with alsaseq.client() before using it");
return NULL;
}
/* printf ( "event.type: %d\n", ev.type ); */
switch( ev.type ) {
case SND_SEQ_EVENT_NOTE:
case SND_SEQ_EVENT_NOTEON:
case SND_SEQ_EVENT_NOTEOFF:
case SND_SEQ_EVENT_KEYPRESS:
if (!PyArg_ParseTuple( data, "bbbbi;data parameter should have 5 values", &ev.data.note.channel, &ev.data.note.note, &ev.data.note.velocity, &ev.data.note.off_velocity, &ev.data.note.duration))
return NULL;
break;
case SND_SEQ_EVENT_CONTROLLER:
case SND_SEQ_EVENT_PGMCHANGE:
case SND_SEQ_EVENT_CHANPRESS:
case SND_SEQ_EVENT_PITCHBEND:
if (!PyArg_ParseTuple( data, "bbbbii;data parameter should have 6 values", &ev.data.control.channel, &ev.data.control.unused[0], &ev.data.control.unused[1], &ev.data.control.unused[2], &ev.data.control.param, &ev.data.control.value ))
return NULL;
break;
}
/* If not a direct event, use the queue */
if ( ev.queue != SND_SEQ_QUEUE_DIRECT )
ev.queue = queue_id;
/* Modify source port if out of bounds */
if ( ev.source.port < firstoutputport )
snd_seq_ev_set_source(&ev, firstoutputport );
else if ( ev.source.port > lastoutputport )
snd_seq_ev_set_source(&ev, lastoutputport );
/* Use subscribed ports, except if ECHO event */
if ( ev.type != SND_SEQ_EVENT_ECHO ) snd_seq_ev_set_subs(&ev);
snd_seq_event_output_direct( seq_handle, &ev );
Py_INCREF(Py_None);
return Py_None;
}
void MidiDriver_ALSA::send_event(int do_flush) {
snd_seq_ev_set_direct(&ev);
snd_seq_ev_set_source(&ev, my_port);
snd_seq_ev_set_dest(&ev, seq_client, seq_port);
snd_seq_event_output(seq_handle, &ev);
if (do_flush)
snd_seq_flush_output(seq_handle);
}
static void send()
{
snd_seq_ev_set_source(&ev, readable_port);
snd_seq_ev_set_dest(&ev, dest_client_id, 0);
snd_seq_ev_set_direct(&ev);
snd_seq_event_output(seq, &ev);
snd_seq_drain_output(seq);
}
static
void do_jack_output(alsa_seqmidi_t *self, port_t *port, struct process_info* info)
{
stream_t *str = &self->stream[info->dir];
int nevents = jack_midi_get_event_count(port->jack_buf);
int i;
for (i=0; i<nevents; ++i) {
jack_midi_event_t jack_event;
snd_seq_event_t alsa_event;
int64_t frame_offset;
int64_t out_time;
snd_seq_real_time_t out_rt;
int err;
jack_midi_event_get(&jack_event, port->jack_buf, i);
snd_seq_ev_clear(&alsa_event);
snd_midi_event_reset_encode(str->codec);
if (!snd_midi_event_encode(str->codec, jack_event.buffer, jack_event.size, &alsa_event))
continue; // invalid event
snd_seq_ev_set_source(&alsa_event, self->port_id);
snd_seq_ev_set_dest(&alsa_event, port->remote.client, port->remote.port);
/* NOTE: in case of xrun it could become negative, so it is essential to use signed type! */
frame_offset = (int64_t)jack_event.time + info->period_start + info->nframes - info->cur_frames;
if (frame_offset < 0) {
frame_offset = info->nframes + jack_event.time;
error_log("internal xrun detected: frame_offset = %"PRId64"\n", frame_offset);
}
/* Ken Ellinwood reported problems with this assert.
* Seems, magic 2 should be replaced with nperiods. */
//FIXME: assert (frame_offset < info->nframes*2);
//if (frame_offset < info->nframes * info->nperiods)
// debug_log("alsa_out: BLAH-BLAH-BLAH");
out_time = info->alsa_time + (frame_offset * NSEC_PER_SEC) / info->sample_rate;
debug_log("alsa_out: frame_offset = %lld, info->alsa_time = %lld, out_time = %lld, port->last_out_time = %lld",
frame_offset, info->alsa_time, out_time, port->last_out_time);
// we should use absolute time to prevent reordering caused by rounding errors
if (out_time < port->last_out_time) {
debug_log("alsa_out: limiting out_time %lld at %lld", out_time, port->last_out_time);
out_time = port->last_out_time;
} else
port->last_out_time = out_time;
out_rt.tv_nsec = out_time % NSEC_PER_SEC;
out_rt.tv_sec = out_time / NSEC_PER_SEC;
snd_seq_ev_schedule_real(&alsa_event, self->queue, 0, &out_rt);
err = snd_seq_event_output(self->seq, &alsa_event);
debug_log("alsa_out: written %d bytes to %s at %+d (%lld): %d", (int)jack_event.size, port->name, (int)frame_offset, out_time, err);
}
}
// generates midi clock
void
midibus::clock( long a_tick )
{
lock();
if ( m_clock_type != e_clock_off ){
bool done = false;
long uptotick = a_tick;
if ( m_lasttick >= uptotick )
done = true;
while ( !done ){
m_lasttick++;
if ( m_lasttick >= uptotick )
done = true;
/* tick time? */
if ( m_lasttick % ( c_ppqn / 24 ) == 0 ){
snd_seq_event_t ev;
ev.type = SND_SEQ_EVENT_CLOCK;
/* set tag to 127 so the sequences
wont remove it */
ev.tag = 127;
snd_seq_ev_set_fixed( &ev );
snd_seq_ev_set_priority( &ev, 1 );
/* set source */
snd_seq_ev_set_source(&ev, m_local_addr_port );
snd_seq_ev_set_subs(&ev);
// its immediate
snd_seq_ev_set_direct( &ev );
/* pump it into the queue */
snd_seq_event_output(m_seq, &ev);
}
}
/* and send out */
flush();
}
unlock();
}
void synth_noteStop(synth_t * st,int num, int status)
{
snd_seq_event_t ev;
snd_seq_ev_clear(&ev);
snd_seq_ev_set_direct(&ev);
snd_seq_ev_set_source(&ev, port_out_id);
snd_seq_ev_set_subs(&ev);
//usleep(100000);
printf("synth_noteStop %d\n", st->runningNote[num]);
snd_seq_ev_set_noteoff(&ev, st->channel, st->runningNote[num], st->velocity);
snd_seq_event_output_direct(seq, &ev);
snd_seq_drain_output(seq);
}
void MidiQueue::enqueueMidiMessage(const snd_seq_event_type messageType, const int sourcePort, const snd_seq_tick_time_t& tick)
{
snd_seq_event_t event = {};
event.type = messageType;
snd_seq_ev_schedule_tick(&event, _id, 1, tick);
snd_seq_ev_set_source(&event, sourcePort);
snd_seq_ev_set_subs(&event);
int result = snd_seq_event_output_direct(_sequencer, &event);
if (result < 0)
{
std::cerr << "MidiQueue::enqueueMidiMessage error:" << snd_strerror(result) << std::endl;
}
}
void
rimshot_alsa_output_play_note (rimshot_alsa_output_t *output, int channel, int note, unsigned int velocity)
{
snd_seq_event_t ev;
snd_seq_ev_clear (&ev);
snd_seq_ev_set_source (&ev, output->port);
snd_seq_ev_set_subs (&ev);
snd_seq_ev_set_direct (&ev);
snd_seq_ev_set_noteon (&ev, channel, note, velocity);
snd_seq_event_output_direct (output->seq, &ev);
}
void synth_noteStart(synth_t * st,int num, int status)
{
snd_seq_event_t ev;
snd_seq_ev_clear(&ev);
snd_seq_ev_set_direct(&ev);
snd_seq_ev_set_source(&ev, port_out_id);
snd_seq_ev_set_subs(&ev);
printf("synth_noteStart %d\n", st->btn2note[num]);
int note = st->btn2note[num]+st->sharp+12*st->octaveUp-12*st->octaveDown;
st->runningNote[num]=note;
snd_seq_ev_set_noteon(&ev, st->channel, note, st->velocity);
snd_seq_event_output_direct(seq, &ev);
snd_seq_drain_output(seq);
}
static gboolean
put_click (const DrumClick *click)
{
snd_seq_event_t ev;
snd_seq_ev_clear (&ev);
snd_seq_ev_set_source (&ev, out_port_id);
snd_seq_ev_set_subs (&ev);
snd_seq_ev_schedule_tick (&ev, queue_id, 0, click->tick);
snd_seq_ev_set_note (&ev, 10, 24, click->velocity, 48);
int err = snd_seq_event_output_direct (seq, &ev);
return err >= 0;
}
void pitch_alsa(void* seqq, unsigned char chan, short val)
{
ALSA_SEQ* seq = (ALSA_SEQ*)seqq;
snd_seq_event_t ev;
snd_seq_ev_clear(&ev);
snd_seq_ev_set_source(&ev, seq->g_port);
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_direct(&ev);
snd_seq_ev_set_pitchbend(&ev, chan, val);
snd_seq_event_output(seq->g_seq, &ev);
snd_seq_drain_output(seq->g_seq);
}
/* takes an native event, encodes to alsa event,
puts it in the queue */
void
midibus::play( event *a_e24, unsigned char a_channel )
{
lock();
snd_seq_event_t ev;
/* alsa midi parser */
snd_midi_event_t *midi_ev;
/* temp for midi data */
unsigned char buffer[3];
/* fill buffer and set midi channel */
buffer[0] = a_e24->get_status();
buffer[0] += (a_channel & 0x0F);
a_e24->get_data( &buffer[1], &buffer[2] );
snd_midi_event_new( 10, &midi_ev );
/* clear event */
snd_seq_ev_clear( &ev );
snd_midi_event_encode( midi_ev,
buffer,
3,
&ev );
snd_midi_event_free( midi_ev );
/* set source */
snd_seq_ev_set_source(&ev, m_local_addr_port );
snd_seq_ev_set_subs(&ev);
/* set tag unique to each sequence for removal purposes */
//ev.tag = a_tag;
// its immediate
snd_seq_ev_set_direct( &ev );
/* pump it into the queue */
snd_seq_event_output(m_seq, &ev);
unlock();
}
void midi_send(uint32 data)
{
snd_seq_event_t ev;
if (s_midi == NULL) return;
snd_seq_ev_clear(&ev);
snd_seq_ev_set_source(&ev, s_midiPort);
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_direct(&ev);
snd_midi_event_encode(s_midiCoder, (uint8 *)&data, sizeof(uint32), &ev);
snd_seq_event_output(s_midi, &ev);
snd_seq_drain_output(s_midi);
}
void prog_alsa(void* seqq, unsigned char chan, unsigned char indx)
{
ALSA_SEQ* seq = (ALSA_SEQ*)seqq;
snd_seq_event_t ev;
snd_seq_ev_clear(&ev);
snd_seq_ev_set_source(&ev, seq->g_port);
snd_seq_ev_set_subs(&ev);
snd_seq_ev_set_direct(&ev);
//... // set event type, data, so on..
snd_seq_ev_set_pgmchange(&ev, chan, indx);
snd_seq_event_output(seq->g_seq, &ev);
snd_seq_drain_output(seq->g_seq);
}