QMap<QString,QString> QMidi::outDeviceNames()
{
QMap<QString,QString> ret;
#if defined(Q_OS_WIN)
int numDevs = midiOutGetNumDevs();
if(numDevs == 0) { return ret; }
for(int i = 0;i<numDevs;i++) {
MIDIOUTCAPS* devCaps = new MIDIOUTCAPS;
midiOutGetDevCaps(i,devCaps,sizeof(*devCaps));
ret.insert(QString::number(i),QString::fromWCharArray(devCaps->szPname));
delete devCaps;
}
#elif defined(Q_OS_LINUX)
snd_seq_client_info_t *cinfo;
snd_seq_port_info_t *pinfo;
int client;
int err;
snd_seq_t *handle;
err = snd_seq_open(&handle, "hw", SND_SEQ_OPEN_DUPLEX, 0);
if(err < 0)
{ /* Could not open sequencer!! use snd_strerror(errno) to get error. */ return ret; }
snd_seq_client_info_alloca(&cinfo);
snd_seq_client_info_set_client(cinfo, -1);
while(snd_seq_query_next_client(handle, cinfo) >= 0) {
client = snd_seq_client_info_get_client(cinfo);
snd_seq_port_info_alloca(&pinfo);
snd_seq_port_info_set_client(pinfo, client);
snd_seq_port_info_set_port(pinfo, -1);
while(snd_seq_query_next_port(handle, pinfo) >= 0) {
int cap = (SND_SEQ_PORT_CAP_SUBS_WRITE|SND_SEQ_PORT_CAP_WRITE);
if((snd_seq_port_info_get_capability(pinfo) & cap) == cap) {
QString port = QString::number(snd_seq_port_info_get_client(pinfo));
port += ":" + QString::number(snd_seq_port_info_get_port(pinfo));
QString name = snd_seq_client_info_get_name(cinfo);
ret.insert(port,name);
}
}
}
#elif defined(Q_OS_HAIKU)
bool OK = true;
int32 id = 0;
while(OK) {
BMidiConsumer* c = BMidiRoster::NextConsumer(&id);
if(c != NULL) {
ret.insert(QString::number(id),QString::fromUtf8(c->Name()));
c->Release();
} else {
OK = false;
}
}
#endif
return ret;
}
/** call-seq: client() -> int
Returns: the clientid
*/
static VALUE
wrap_snd_seq_port_info_get_client(VALUE v_port_info)
{
snd_seq_port_info_t *port_info;
Data_Get_Struct(v_port_info, snd_seq_port_info_t, port_info);
return INT2NUM(snd_seq_port_info_get_client(port_info));
}
static void list_ports(void)
{
snd_seq_client_info_t *cinfo;
snd_seq_port_info_t *pinfo;
snd_seq_client_info_alloca(&cinfo);
snd_seq_port_info_alloca(&pinfo);
puts(" Port Client name Port name");
snd_seq_client_info_set_client(cinfo, -1);
while (snd_seq_query_next_client(seq, cinfo) >= 0) {
int client = snd_seq_client_info_get_client(cinfo);
snd_seq_port_info_set_client(pinfo, client);
snd_seq_port_info_set_port(pinfo, -1);
while (snd_seq_query_next_port(seq, pinfo) >= 0) {
/* we need both READ and SUBS_READ */
if ((snd_seq_port_info_get_capability(pinfo)
& (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ))
!= (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ))
continue;
printf("%3d:%-3d %-32.32s %s\n",
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo));
}
}
}
// static helper functions
static QString __portName( snd_seq_client_info_t * _cinfo,
snd_seq_port_info_t * _pinfo )
{
return QString( "%1:%2 %3:%4" ).
arg( snd_seq_port_info_get_client( _pinfo ) ).
arg( snd_seq_port_info_get_port( _pinfo ) ).
arg( snd_seq_client_info_get_name( _cinfo ) ).
arg( snd_seq_port_info_get_name( _pinfo ) );
}
/*
* Class: org_tritonus_lowlevel_alsa_AlsaSeqPortInfo
* Method: getClient
* Signature: ()I
*/
JNIEXPORT jint JNICALL
Java_org_tritonus_lowlevel_alsa_AlsaSeqPortInfo_getClient
(JNIEnv* env, jobject obj)
{
snd_seq_port_info_t* handle;
int nReturn;
if (debug_flag) { fprintf(debug_file, "Java_org_tritonus_lowlevel_alsa_AlsaSeqPortInfo_getClient(): begin\n"); }
handle = getHandle(env, obj);
nReturn = snd_seq_port_info_get_client(handle);
if (debug_flag) { fprintf(debug_file, "Java_org_tritonus_lowlevel_alsa_AlsaSeqPortInfo_getClient(): end\n"); }
return nReturn;
}
void Alsa::openPort(unsigned int portNumber_)
{
if ( _connected ) {
this->closePort();
}
unsigned int nSrc = this->getPortCount();
if (nSrc < 1) {
std::cerr << "error: CxxMidi::Output::Alsa::openPort: no MIDI output sources found" << std::endl;
}
snd_seq_port_info_t *pinfo;
snd_seq_port_info_alloca( &pinfo );
std::ostringstream ost;
if ( portInfo( _apiData->seq, pinfo, SND_SEQ_PORT_CAP_WRITE|SND_SEQ_PORT_CAP_SUBS_WRITE, (int) portNumber_ ) == 0 )
{
std::cerr << "error: CxxMidi::Output::Alsa::openPort: port " << portNumber_ << " is invalid" << std::endl;
}
snd_seq_addr_t sender, receiver;
receiver.client = snd_seq_port_info_get_client( pinfo );
receiver.port = snd_seq_port_info_get_port( pinfo );
sender.client = snd_seq_client_id( _apiData->seq );
if ( _apiData->vport < 0 ) {
_apiData->vport = snd_seq_create_simple_port( _apiData->seq, "CxxMidi (RtMidi) output",
SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_SUBS_READ,
SND_SEQ_PORT_TYPE_MIDI_GENERIC|SND_SEQ_PORT_TYPE_APPLICATION );
if ( _apiData->vport < 0 ) {
std::cerr << "error: CxxMidi::Output::Alsa::openPort: error creating output port" << std::endl;
}
}
sender.port = _apiData->vport;
// Make subscription
snd_seq_port_subscribe_malloc( &_apiData->subscription );
snd_seq_port_subscribe_set_sender(_apiData->subscription, &sender);
snd_seq_port_subscribe_set_dest(_apiData->subscription, &receiver);
snd_seq_port_subscribe_set_time_update(_apiData->subscription, 1);
snd_seq_port_subscribe_set_time_real(_apiData->subscription, 1);
if ( snd_seq_subscribe_port(_apiData->seq, _apiData->subscription) ) {
std::cerr << "error: CxxMidi::Output::Alsa::openPort: error making port connection" << std::endl;
}
_connected = true;
}
std::string Alsa::getPortName(unsigned int portNumber_ )
{
snd_seq_client_info_t *cinfo;
snd_seq_port_info_t *pinfo;
snd_seq_client_info_alloca( &cinfo );
snd_seq_port_info_alloca( &pinfo );
std::string stringName;
if ( portInfo( _apiData->seq, pinfo, SND_SEQ_PORT_CAP_WRITE|SND_SEQ_PORT_CAP_SUBS_WRITE, (int) portNumber_ ) ) {
int cnum = snd_seq_port_info_get_client(pinfo);
snd_seq_get_any_client_info( _apiData->seq, cnum, cinfo );
std::ostringstream os;
os << snd_seq_client_info_get_name(cinfo);
os << ":";
os << snd_seq_port_info_get_port(pinfo);
stringName = os.str();
return stringName;
}
std::cerr << "error: CxxMidi::Output::Alsa::getPortName: error looking for port name" << std::endl;
return stringName;
}
/*
discover the sequencer devices currently available
*/
static int alsa_sequencer_list(ClientData clientData, Tcl_Interp *interp) {
snd_seq_client_info_t *cinfo;
snd_seq_port_info_t *pinfo;
Tcl_Obj *result = Tcl_NewListObj(0, NULL);
if (init_seq(clientData, interp) != TCL_OK) {
return TCL_ERROR;
}
snd_seq_client_info_alloca(&cinfo);
snd_seq_port_info_alloca(&pinfo);
snd_seq_client_info_set_client(cinfo, -1);
while (snd_seq_query_next_client(seq, cinfo) >= 0) {
int client = snd_seq_client_info_get_client(cinfo);
snd_seq_port_info_set_client(pinfo, client);
snd_seq_port_info_set_port(pinfo, -1);
while (snd_seq_query_next_port(seq, pinfo) >= 0) {
/* we need both READ and SUBS_READ */
int capability = snd_seq_port_info_get_capability(pinfo);
char *readable = ((capability &
(SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ)) ==
(SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ)) ? "r" : "";
char *writable = ((capability &
(SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE)) ==
(SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE)) ? "w" : "";
Tcl_Obj *element = Tcl_ObjPrintf("%3d:%-3d %-32.32s %s %s%s",
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
readable, writable);
Tcl_ListObjAppendElement(interp, result, element);
}
}
Tcl_SetObjResult(interp, result);
return TCL_OK;
}
void
mastermidibus::init( )
{
/* client info */
snd_seq_client_info_t *cinfo;
/* port info */
snd_seq_port_info_t *pinfo;
int client;
snd_seq_client_info_alloca(&cinfo);
snd_seq_client_info_set_client(cinfo, -1);
//printf( "global_ports %d\n", global_manual_alsa_ports );
if ( global_manual_alsa_ports )
{
int num_buses = 16;
for( int i=0; i<num_buses; ++i )
{
m_buses_out[i] =
new midibus( snd_seq_client_id( m_alsa_seq ), m_alsa_seq, i+1, m_queue );
m_buses_out[i]->init_out_sub();
m_buses_out_active[i] = true;
m_buses_out_init[i] = true;
}
m_num_out_buses = num_buses;
/* only one in */
m_buses_in[0] =
new midibus( snd_seq_client_id( m_alsa_seq ),
m_alsa_seq,
m_num_in_buses, m_queue);
m_buses_in[0]->init_in_sub();
m_buses_in_active[0] = true;
m_buses_in_init[0] = true;
m_num_in_buses = 1;
}
else
{
/* while the next client one the sequencer is avaiable */
while (snd_seq_query_next_client(m_alsa_seq, cinfo) >= 0){
/* get client from cinfo */
client = snd_seq_client_info_get_client(cinfo);
/* fill pinfo */
snd_seq_port_info_alloca(&pinfo);
snd_seq_port_info_set_client(pinfo, client);
snd_seq_port_info_set_port(pinfo, -1);
/* while the next port is avail */
while (snd_seq_query_next_port(m_alsa_seq, pinfo) >= 0 ){
/* get its capability */
int cap = snd_seq_port_info_get_capability(pinfo);
if ( snd_seq_client_id( m_alsa_seq ) != snd_seq_port_info_get_client(pinfo) &&
snd_seq_port_info_get_client(pinfo) != SND_SEQ_CLIENT_SYSTEM){
/* the outs */
if ( (cap & SND_SEQ_PORT_CAP_SUBS_WRITE) != 0 &&
snd_seq_client_id( m_alsa_seq ) != snd_seq_port_info_get_client(pinfo)){
m_buses_out[m_num_out_buses] =
new midibus( snd_seq_client_id( m_alsa_seq ),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_out_buses, m_queue );
if ( m_buses_out[m_num_out_buses]->init_out() ){
m_buses_out_active[m_num_out_buses] = true;
m_buses_out_init[m_num_out_buses] = true;
} else {
m_buses_out_init[m_num_out_buses] = true;
}
m_num_out_buses++;
}
/* the ins */
if ( (cap & SND_SEQ_PORT_CAP_SUBS_READ) != 0 &&
snd_seq_client_id( m_alsa_seq ) != snd_seq_port_info_get_client(pinfo)){
m_buses_in[m_num_in_buses] =
new midibus( snd_seq_client_id( m_alsa_seq ),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_in_buses, m_queue);
//if ( m_buses_in[m_num_in_buses]->init_in() ){
m_buses_in_active[m_num_in_buses] = true;
m_buses_in_init[m_num_in_buses] = true;
//} else {
//m_buses_in_init[m_num_in_buses] = true;
//}
m_num_in_buses++;
}
}
}
} /* end loop for clients */
}
set_bpm( c_bpm );
set_ppqn( c_ppqn );
/* midi input */
/* poll descriptors */
/* get number of file descriptors */
m_num_poll_descriptors = snd_seq_poll_descriptors_count(m_alsa_seq, POLLIN);
/* allocate into */
m_poll_descriptors = new pollfd[m_num_poll_descriptors];
/* get descriptors */
snd_seq_poll_descriptors(m_alsa_seq,
m_poll_descriptors,
m_num_poll_descriptors,
POLLIN);
set_sequence_input( false, NULL );
/* sizes */
snd_seq_set_output_buffer_size(m_alsa_seq, c_midibus_output_size );
snd_seq_set_input_buffer_size(m_alsa_seq, c_midibus_input_size );
m_bus_announce =
new midibus( snd_seq_client_id( m_alsa_seq ),
SND_SEQ_CLIENT_SYSTEM,
SND_SEQ_PORT_SYSTEM_ANNOUNCE,
m_alsa_seq,
"system","annouce",
0, m_queue);
m_bus_announce->set_input(true);
for ( int i=0; i<m_num_out_buses; i++ )
set_clock(i,m_init_clock[i]);
for ( int i=0; i<m_num_in_buses; i++ )
set_input(i,m_init_input[i]);
}
void
mastermidibus::port_start( int a_client, int a_port )
{
lock();
/* client info */
snd_seq_client_info_t *cinfo;
snd_seq_client_info_alloca(&cinfo);
snd_seq_get_any_client_info( m_alsa_seq, a_client, cinfo );
/* port info */
snd_seq_port_info_t *pinfo;
/* fill pinfo */
snd_seq_port_info_alloca(&pinfo);
snd_seq_get_any_port_info( m_alsa_seq, a_client, a_port, pinfo );
/* get its capability */
int cap = snd_seq_port_info_get_capability(pinfo);
if ( snd_seq_client_id( m_alsa_seq ) != snd_seq_port_info_get_client(pinfo)){
/* the outs */
if ( (cap & (SND_SEQ_PORT_CAP_SUBS_WRITE | SND_SEQ_PORT_CAP_WRITE ))
== (SND_SEQ_PORT_CAP_SUBS_WRITE | SND_SEQ_PORT_CAP_WRITE )
&& snd_seq_client_id( m_alsa_seq ) != snd_seq_port_info_get_client(pinfo)){
bool replacement = false;
int bus_slot = m_num_out_buses;
for( int i=0; i< m_num_out_buses; i++ ){
if( m_buses_out[i]->get_client() == a_client &&
m_buses_out[i]->get_port() == a_port &&
m_buses_out_active[i] == false ){
replacement = true;
bus_slot = i;
}
}
m_buses_out[bus_slot] =
new midibus( snd_seq_client_id( m_alsa_seq ),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_out_buses, m_queue );
m_buses_out[bus_slot]->init_out();
m_buses_out_active[bus_slot] = true;
m_buses_out_init[bus_slot] = true;
if ( !replacement ){
m_num_out_buses++;
}
}
/* the ins */
if ( (cap & (SND_SEQ_PORT_CAP_SUBS_READ | SND_SEQ_PORT_CAP_READ ))
== (SND_SEQ_PORT_CAP_SUBS_READ | SND_SEQ_PORT_CAP_READ )
&& snd_seq_client_id( m_alsa_seq ) != snd_seq_port_info_get_client(pinfo)){
bool replacement = false;
int bus_slot = m_num_in_buses;
for( int i=0; i< m_num_in_buses; i++ ){
if( m_buses_in[i]->get_client() == a_client &&
m_buses_in[i]->get_port() == a_port &&
m_buses_in_active[i] == false ){
replacement = true;
bus_slot = i;
}
}
//printf( "in [%d] [%d]\n", replacement, bus_slot );
m_buses_in[bus_slot] =
new midibus( snd_seq_client_id( m_alsa_seq ),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_in_buses, m_queue);
//m_buses_in[bus_slot]->init_in();
m_buses_in_active[bus_slot] = true;
m_buses_in_init[bus_slot] = true;
if ( !replacement ){
m_num_in_buses++;
}
}
}
/* end loop for clients */
/* midi input */
/* poll descriptors */
/* get number of file descriptors */
m_num_poll_descriptors = snd_seq_poll_descriptors_count(m_alsa_seq, POLLIN);
/* allocate into */
m_poll_descriptors = new pollfd[m_num_poll_descriptors];
/* get descriptors */
snd_seq_poll_descriptors(m_alsa_seq,
m_poll_descriptors,
m_num_poll_descriptors,
POLLIN);
unlock();
}
void
mastermidibus::port_start (int client, int port)
{
#ifdef SEQ64_HAVE_LIBASOUND
automutex locker(m_mutex);
snd_seq_client_info_t * cinfo; /* client info */
snd_seq_client_info_alloca(&cinfo);
snd_seq_get_any_client_info(m_alsa_seq, client, cinfo);
snd_seq_port_info_t * pinfo; /* port info */
snd_seq_port_info_alloca(&pinfo);
snd_seq_get_any_port_info(m_alsa_seq, client, port, pinfo);
int cap = snd_seq_port_info_get_capability(pinfo); /* get its capability */
if (ALSA_CLIENT_CHECK(pinfo))
{
if (CAP_FULL_WRITE(cap) && ALSA_CLIENT_CHECK(pinfo)) /* outputs */
{
bool replacement = false;
int bus_slot = m_num_out_buses;
for (int i = 0; i < m_num_out_buses; ++i)
{
if
(
m_buses_out[i]->get_client() == client &&
m_buses_out[i]->get_port() == port &&
! m_buses_out_active[i]
)
{
replacement = true;
bus_slot = i;
}
}
if (not_nullptr(m_buses_out[bus_slot]))
{
delete m_buses_out[bus_slot];
errprintf
(
"mastermidibus::port_start(): m_buses_out[%d] not null\n",
bus_slot
);
}
m_buses_out[bus_slot] = new midibus
(
snd_seq_client_id(m_alsa_seq),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_out_buses,
m_queue
);
m_buses_out[bus_slot]->init_out();
m_buses_out_active[bus_slot] = true;
m_buses_out_init[bus_slot] = true;
if (! replacement)
++m_num_out_buses;
}
if (CAP_FULL_READ(cap) && ALSA_CLIENT_CHECK(pinfo)) /* inputs */
{
bool replacement = false;
int bus_slot = m_num_in_buses;
for (int i = 0; i < m_num_in_buses; ++i)
{
if
(
m_buses_in[i]->get_client() == client &&
m_buses_in[i]->get_port() == port && ! m_buses_in_active[i]
)
{
replacement = true;
bus_slot = i;
}
}
if (not_nullptr(m_buses_in[bus_slot]))
{
delete m_buses_in[bus_slot];
errprintf
(
"mmbus::port_start(): m_buses_in[%d] not null\n", bus_slot
);
}
m_buses_in[bus_slot] = new midibus
(
snd_seq_client_id(m_alsa_seq),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_in_buses,
m_queue
);
m_buses_in_active[bus_slot] = true;
m_buses_in_init[bus_slot] = true;
if (! replacement)
m_num_in_buses++;
}
} /* end loop for clients */
/*
* Get the number of MIDI input poll file descriptors.
*/
m_num_poll_descriptors = snd_seq_poll_descriptors_count(m_alsa_seq, POLLIN);
m_poll_descriptors = new pollfd[m_num_poll_descriptors]; /* allocate info */
snd_seq_poll_descriptors /* get input descriptors */
(
m_alsa_seq, m_poll_descriptors, m_num_poll_descriptors, POLLIN
);
#endif // SEQ64_HAVE_LIBASOUND
}
void
mastermidibus::init (int ppqn)
{
#ifdef SEQ64_HAVE_LIBASOUND
snd_seq_client_info_t * cinfo; /* client info */
snd_seq_port_info_t * pinfo; /* port info */
snd_seq_client_info_alloca(&cinfo);
snd_seq_client_info_set_client(cinfo, -1);
if (rc().manual_alsa_ports())
{
/*
* Output busses
*/
int num_buses = SEQ64_ALSA_OUTPUT_BUSS_MAX;
for (int i = 0; i < num_buses; ++i)
{
if (not_nullptr(m_buses_out[i]))
{
delete m_buses_out[i];
errprintf("mmbus::init() manual: m_buses_out[%d] not null\n", i);
}
m_buses_out[i] = new midibus
(
snd_seq_client_id(m_alsa_seq), m_alsa_seq, i+1, m_queue
);
m_buses_out[i]->init_out_sub();
m_buses_out_active[i] = m_buses_out_init[i] = true;
}
m_num_out_buses = num_buses;
if (not_nullptr(m_buses_in[0]))
{
delete m_buses_in[0];
errprint("mmbus::init() manual: m_buses_[0] not null");
}
/*
* Input buss. Only the first element is set up. The rest are used
* only for non-manual ALSA ports in the else-class below.
*/
m_num_in_buses = 1;
m_buses_in[0] = new midibus
(
snd_seq_client_id(m_alsa_seq), m_alsa_seq, m_num_in_buses, m_queue
);
m_buses_in[0]->init_in_sub();
m_buses_in_active[0] = m_buses_in_init[0] = true;
}
else
{
/*
* While the next client for the sequencer is available, get the client
* from cinfo. Fill pinfo.
*/
while (snd_seq_query_next_client(m_alsa_seq, cinfo) >= 0)
{
int client = snd_seq_client_info_get_client(cinfo);
snd_seq_port_info_alloca(&pinfo); /* will fill pinfo */
snd_seq_port_info_set_client(pinfo, client);
snd_seq_port_info_set_port(pinfo, -1);
while (snd_seq_query_next_port(m_alsa_seq, pinfo) >= 0)
{
/*
* While the next port is available, get its capability.
*/
int cap = snd_seq_port_info_get_capability(pinfo);
if
(
ALSA_CLIENT_CHECK(pinfo) &&
snd_seq_port_info_get_client(pinfo) != SND_SEQ_CLIENT_SYSTEM
)
{
/*
* Output busses:
*
* Why are we doing the ALSA client check again here?
* Because it could be altered in the if-clause above.
*/
if (CAP_WRITE(cap) && ALSA_CLIENT_CHECK(pinfo))
{
if (not_nullptr(m_buses_out[m_num_out_buses]))
{
delete m_buses_out[m_num_out_buses];
errprintf
(
"mmbus::init(): m_buses_out[%d] not null\n",
m_num_out_buses
);
}
m_buses_out[m_num_out_buses] = new midibus
(
snd_seq_client_id(m_alsa_seq),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo), m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_out_buses, m_queue
);
if (m_buses_out[m_num_out_buses]->init_out())
{
m_buses_out_active[m_num_out_buses] = true;
m_buses_out_init[m_num_out_buses] = true;
}
else
m_buses_out_init[m_num_out_buses] = true;
++m_num_out_buses;
}
/*
* Input busses
*/
if (CAP_READ(cap) && ALSA_CLIENT_CHECK(pinfo)) /* inputs */
{
if (not_nullptr(m_buses_in[m_num_in_buses]))
{
delete m_buses_in[m_num_in_buses];
errprintf
(
"mmbus::init(): m_buses_in[%d] not null\n",
m_num_in_buses
);
}
m_buses_in[m_num_in_buses] = new midibus
(
snd_seq_client_id(m_alsa_seq),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo), m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_in_buses, m_queue
);
m_buses_in_active[m_num_in_buses] =
m_buses_in_init[m_num_in_buses] = true;
++m_num_in_buses;
}
}
}
} /* end loop for clients */
}
set_beats_per_minute(m_beats_per_minute);
set_ppqn(ppqn);
/*
* Get the number of MIDI input poll file descriptors. Allocate the
* poll-descriptors array. Then get the input poll-descriptors into the
* array
*/
m_num_poll_descriptors = snd_seq_poll_descriptors_count(m_alsa_seq, POLLIN);
m_poll_descriptors = new pollfd[m_num_poll_descriptors];
snd_seq_poll_descriptors
(
m_alsa_seq, m_poll_descriptors, m_num_poll_descriptors, POLLIN
);
set_sequence_input(false, nullptr);
/* Set the input and output buffer sizes */
snd_seq_set_output_buffer_size(m_alsa_seq, c_midibus_output_size);
snd_seq_set_input_buffer_size(m_alsa_seq, c_midibus_input_size);
m_bus_announce = new midibus
(
snd_seq_client_id(m_alsa_seq),
SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_ANNOUNCE,
m_alsa_seq, "system", "announce", // was "annouce" ca 2016-04-03
0, m_queue
);
m_bus_announce->set_input(true);
for (int i = 0; i < m_num_out_buses; ++i)
set_clock(i, m_init_clock[i]);
for (int i = 0; i < m_num_in_buses; ++i)
set_input(i, m_init_input[i]);
#endif // SEQ64_HAVE_LIBASOUND
}
void
mastermidibus::port_start (int a_client, int a_port)
{
#ifdef HAVE_LIBASOUND
automutex locker(m_mutex);
snd_seq_client_info_t * cinfo; /* client info */
snd_seq_client_info_alloca(&cinfo);
snd_seq_get_any_client_info(m_alsa_seq, a_client, cinfo);
snd_seq_port_info_t * pinfo; /* port info */
snd_seq_port_info_alloca(&pinfo);
snd_seq_get_any_port_info(m_alsa_seq, a_client, a_port, pinfo);
int cap = snd_seq_port_info_get_capability(pinfo); /* get its capability */
if (snd_seq_client_id(m_alsa_seq) != snd_seq_port_info_get_client(pinfo))
{
if /* the outputs */
(
(cap & (SND_SEQ_PORT_CAP_SUBS_WRITE | SND_SEQ_PORT_CAP_WRITE)) ==
(SND_SEQ_PORT_CAP_SUBS_WRITE | SND_SEQ_PORT_CAP_WRITE) &&
snd_seq_client_id(m_alsa_seq) != snd_seq_port_info_get_client(pinfo)
)
{
bool replacement = false;
int bus_slot = m_num_out_buses;
for (int i = 0; i < m_num_out_buses; i++)
{
if
(
m_buses_out[i]->get_client() == a_client &&
m_buses_out[i]->get_port() == a_port &&
m_buses_out_active[i] == false
)
{
replacement = true;
bus_slot = i;
}
}
m_buses_out[bus_slot] = new midibus
(
snd_seq_client_id(m_alsa_seq),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_out_buses,
m_queue
);
m_buses_out[bus_slot]->init_out();
m_buses_out_active[bus_slot] = true;
m_buses_out_init[bus_slot] = true;
if (! replacement)
m_num_out_buses++;
}
if /* the inputs */
(
(cap & (SND_SEQ_PORT_CAP_SUBS_READ | SND_SEQ_PORT_CAP_READ)) ==
(SND_SEQ_PORT_CAP_SUBS_READ | SND_SEQ_PORT_CAP_READ) &&
snd_seq_client_id(m_alsa_seq) != snd_seq_port_info_get_client(pinfo)
)
{
bool replacement = false;
int bus_slot = m_num_in_buses;
for (int i = 0; i < m_num_in_buses; i++)
{
if
(
m_buses_in[i]->get_client() == a_client &&
m_buses_in[i]->get_port() == a_port &&
m_buses_in_active[i] == false
)
{
replacement = true;
bus_slot = i;
}
}
m_buses_in[bus_slot] = new midibus
(
snd_seq_client_id(m_alsa_seq),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_in_buses,
m_queue
);
m_buses_in_active[bus_slot] = true;
m_buses_in_init[bus_slot] = true;
if (! replacement)
m_num_in_buses++;
}
} /* end loop for clients */
/*
* Get the number of MIDI input poll file descriptors.
*/
m_num_poll_descriptors = snd_seq_poll_descriptors_count(m_alsa_seq, POLLIN);
m_poll_descriptors = new pollfd[m_num_poll_descriptors]; /* allocate info */
snd_seq_poll_descriptors /* get input descriptors */
(
m_alsa_seq, m_poll_descriptors, m_num_poll_descriptors, POLLIN
);
#endif // HAVE_LIBASOUND
}
void
mastermidibus::init()
{
#ifdef HAVE_LIBASOUND
snd_seq_client_info_t * cinfo; /* client info */
snd_seq_port_info_t * pinfo; /* port info */
snd_seq_client_info_alloca(&cinfo);
snd_seq_client_info_set_client(cinfo, -1);
if (global_manual_alsa_ports)
{
int num_buses = 16;
for (int i = 0; i < num_buses; ++i)
{
m_buses_out[i] = new midibus
(
snd_seq_client_id(m_alsa_seq), m_alsa_seq, i+1, m_queue
);
m_buses_out[i]->init_out_sub();
m_buses_out_active[i] = true;
m_buses_out_init[i] = true;
}
m_num_out_buses = num_buses;
m_num_in_buses = 1; /* only one in, or 0? */
m_buses_in[0] = new midibus
(
snd_seq_client_id(m_alsa_seq), m_alsa_seq, m_num_in_buses, m_queue
);
m_buses_in[0]->init_in_sub();
m_buses_in_active[0] = true;
m_buses_in_init[0] = true;
}
else
{
/* While the next client for the sequencer is available */
while (snd_seq_query_next_client(m_alsa_seq, cinfo) >= 0)
{
int client = snd_seq_client_info_get_client(cinfo);
snd_seq_port_info_alloca(&pinfo); /* will fill pinfo */
snd_seq_port_info_set_client(pinfo, client);
snd_seq_port_info_set_port(pinfo, -1);
while (snd_seq_query_next_port(m_alsa_seq, pinfo) >= 0)
{
/* While the next port is available, get its capability */
int cap = snd_seq_port_info_get_capability(pinfo);
if
(
snd_seq_client_id(m_alsa_seq) !=
snd_seq_port_info_get_client(pinfo) &&
snd_seq_port_info_get_client(pinfo) != SND_SEQ_CLIENT_SYSTEM
)
{
if /* the outputs */
(
(cap & SND_SEQ_PORT_CAP_SUBS_WRITE) != 0 &&
snd_seq_client_id(m_alsa_seq) !=
snd_seq_port_info_get_client(pinfo)
)
{
m_buses_out[m_num_out_buses] = new midibus
(
snd_seq_client_id(m_alsa_seq),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_out_buses,
m_queue
);
if (m_buses_out[m_num_out_buses]->init_out())
{
m_buses_out_active[m_num_out_buses] = true;
m_buses_out_init[m_num_out_buses] = true;
}
else
m_buses_out_init[m_num_out_buses] = true;
m_num_out_buses++;
}
if /* the inputs */
(
(cap & SND_SEQ_PORT_CAP_SUBS_READ) != 0 &&
snd_seq_client_id(m_alsa_seq) !=
snd_seq_port_info_get_client(pinfo)
)
{
m_buses_in[m_num_in_buses] = new midibus
(
snd_seq_client_id(m_alsa_seq),
snd_seq_port_info_get_client(pinfo),
snd_seq_port_info_get_port(pinfo),
m_alsa_seq,
snd_seq_client_info_get_name(cinfo),
snd_seq_port_info_get_name(pinfo),
m_num_in_buses,
m_queue
);
m_buses_in_active[m_num_in_buses] = true;
m_buses_in_init[m_num_in_buses] = true;
m_num_in_buses++;
}
}
}
} /* end loop for clients */
}
set_bpm(c_bpm);
set_ppqn(c_ppqn);
/*
* Get the number of MIDI input poll file descriptors.
*/
m_num_poll_descriptors = snd_seq_poll_descriptors_count(m_alsa_seq, POLLIN);
m_poll_descriptors = new pollfd[m_num_poll_descriptors]; /* allocate into */
snd_seq_poll_descriptors /* get input poll descriptors */
(
m_alsa_seq, m_poll_descriptors, m_num_poll_descriptors, POLLIN
);
set_sequence_input(false, nullptr);
/* Set the input and output buffer sizes */
snd_seq_set_output_buffer_size(m_alsa_seq, c_midibus_output_size);
snd_seq_set_input_buffer_size(m_alsa_seq, c_midibus_input_size);
m_bus_announce = new midibus
(
snd_seq_client_id(m_alsa_seq),
SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_ANNOUNCE,
m_alsa_seq, "system", "annouce", 0, m_queue
);
m_bus_announce->set_input(true);
for (int i = 0; i < m_num_out_buses; i++)
set_clock(i, m_init_clock[i]);
for (int i = 0; i < m_num_in_buses; i++)
set_input(i, m_init_input[i]);
#endif // HAVE_LIBASOUND
}
bool midi_init() {
snd_seq_addr_t sender, receiver;
snd_seq_port_info_t *pinfo;
snd_seq_client_info_t *cinfo;
bool found = false;
if (snd_seq_open(&s_midi, "default", SND_SEQ_OPEN_OUTPUT, 0) < 0) {
Error("Failed to initialize MIDI\n");
s_midi = NULL;
return false;
}
snd_seq_set_client_name(s_midi, s_midiCaption);
/* Create a port to work on */
s_midiPort = snd_seq_create_simple_port(s_midi, s_midiCaption, SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ, SND_SEQ_PORT_TYPE_MIDI_GENERIC);
if (s_midiPort < 0) {
Error("Failed to initialize MIDI\n");
snd_seq_close(s_midi);
s_midi = NULL;
return false;
}
/* Try to find a MIDI out */
snd_seq_port_info_alloca(&pinfo);
snd_seq_client_info_alloca(&cinfo);
snd_seq_client_info_set_client(cinfo, -1);
/* Walk all clients and ports, and see if one matches our demands */
while (snd_seq_query_next_client(s_midi, cinfo) >= 0 && !found) {
int client;
client = snd_seq_client_info_get_client(cinfo);
if (client == 0) continue;
snd_seq_port_info_set_client(pinfo, client);
snd_seq_port_info_set_port(pinfo, -1);
while (snd_seq_query_next_port(s_midi, pinfo) >= 0) {
if ((snd_seq_port_info_get_capability(pinfo) & (SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE)) != (SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE)) continue;
/* Most linux installations come with a Midi Through Port.
* This is 'hardware' support that mostly ends up on your serial, which
* you most likely do not have connected. So we skip it by default. */
if (strncmp("Midi Through Port", snd_seq_port_info_get_name(pinfo), 17) == 0) continue;
found = true;
break;
}
}
if (!found) {
Error("No valid MIDI output ports.\n Please install and start Timidity++ like: timidity -iA\n");
snd_seq_delete_port(s_midi, s_midiPort);
snd_seq_close(s_midi);
s_midi = NULL;
return false;
}
/* Subscribe ourself to the port */
receiver.client = snd_seq_port_info_get_client(pinfo);
receiver.port = snd_seq_port_info_get_port(pinfo);
sender.client = snd_seq_client_id(s_midi);
sender.port = s_midiPort;
snd_seq_port_subscribe_malloc(&s_midiSubscription);
snd_seq_port_subscribe_set_sender(s_midiSubscription, &sender);
snd_seq_port_subscribe_set_dest(s_midiSubscription, &receiver);
snd_seq_port_subscribe_set_time_update(s_midiSubscription, 1);
snd_seq_port_subscribe_set_time_real(s_midiSubscription, 1);
if (snd_seq_subscribe_port(s_midi, s_midiSubscription) < 0) {
Error("Failed to subscript to MIDI output\n");
snd_seq_delete_port(s_midi, s_midiPort);
snd_seq_close(s_midi);
s_midi = NULL;
return false;
}
/* Start the MIDI decoder */
if (snd_midi_event_new(4, &s_midiCoder) < 0) {
Error("Failed to initialize MIDI decoder\n");
snd_seq_delete_port(s_midi, s_midiPort);
snd_seq_close(s_midi);
s_midi = NULL;
return false;
}
snd_midi_event_init(s_midiCoder);
return true;
}
struct a2j_port *
a2j_port_create (alsa_midi_driver_t * driver, int dir, snd_seq_addr_t addr, const snd_seq_port_info_t * info)
{
struct a2j_port *port;
int err;
int client;
snd_seq_client_info_t * client_info_ptr;
int jack_caps;
struct a2j_stream * stream_ptr;
stream_ptr = &driver->stream[dir];
if ((err = snd_seq_client_info_malloc (&client_info_ptr)) != 0) {
a2j_error("Failed to allocate client info");
goto fail;
}
client = snd_seq_port_info_get_client (info);
err = snd_seq_get_any_client_info (driver->seq, client, client_info_ptr);
if (err != 0) {
a2j_error("Failed to get client info");
goto fail_free_client_info;
}
a2j_debug ("client name: '%s'", snd_seq_client_info_get_name(client_info_ptr));
a2j_debug ("port name: '%s'", snd_seq_port_info_get_name(info));
port = calloc (1, sizeof(struct a2j_port));
if (!port) {
goto fail_free_client_info;
}
port->driver_ptr = driver;
port->jack_port = JACK_INVALID_PORT;
port->remote = addr;
a2j_port_fill_name (port, dir, client_info_ptr, info, false);
/* Add port to list early, before registering to JACK, so map functionality is guaranteed to work during port registration */
list_add_tail (&port->siblings, &stream_ptr->list);
if (dir == A2J_PORT_CAPTURE) {
jack_caps = JackPortIsOutput;
} else {
jack_caps = JackPortIsInput;
}
/* mark anything that looks like a hardware port as physical&terminal */
if (snd_seq_port_info_get_type (info) & (SND_SEQ_PORT_TYPE_HARDWARE|SND_SEQ_PORT_TYPE_PORT|SND_SEQ_PORT_TYPE_SPECIFIC)) {
jack_caps |= JackPortIsPhysical|JackPortIsTerminal;
}
port->jack_port = jack_port_register (driver->jack_client, port->name, JACK_DEFAULT_MIDI_TYPE, jack_caps, 0);
if (port->jack_port == JACK_INVALID_PORT) {
a2j_error("jack_port_register() failed for '%s'", port->name);
goto fail_free_port;
}
if (dir == A2J_PORT_CAPTURE) {
err = a2j_alsa_connect_from (driver, port->remote.client, port->remote.port);
} else {
err = snd_seq_connect_to (driver->seq, driver->port_id, port->remote.client, port->remote.port);
}
if (err) {
a2j_debug("port skipped: %s", port->name);
goto fail_free_port;
}
port->inbound_events = jack_ringbuffer_create(MAX_EVENT_SIZE*16);
a2j_debug("port created: %s", port->name);
return port;
fail_free_port:
list_del (&port->siblings);
a2j_port_free (port);
fail_free_client_info:
snd_seq_client_info_free (client_info_ptr);
fail:
return NULL;
}
static int midi_hardware_refresh(MidiHardware *midi_hardware) {
MidiDevicesInfo *info = create_zero<MidiDevicesInfo>();
if (!info) {
destroy_devices_info(info);
return GenesisErrorNoMem;
}
info->devices.clear();
info->default_device_index = -1;
// don't default to MIDI through except as a last resort
bool default_is_midi_through = false;
snd_seq_client_info_set_client(midi_hardware->client_info, -1);
while (snd_seq_query_next_client(midi_hardware->seq, midi_hardware->client_info) >= 0) {
int client = snd_seq_client_info_get_client(midi_hardware->client_info);
snd_seq_port_info_set_client(midi_hardware->port_info, client);
snd_seq_port_info_set_port(midi_hardware->port_info, -1);
while (snd_seq_query_next_port(midi_hardware->seq, midi_hardware->port_info) >= 0) {
if ((snd_seq_port_info_get_capability(midi_hardware->port_info)
& (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ))
!= (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ))
{
continue;
}
GenesisMidiDevice *device = create_zero<GenesisMidiDevice>();
if (!device) {
genesis_midi_device_unref(device);
return GenesisErrorNoMem;
}
device->midi_hardware = midi_hardware;
device->ref_count = 1;
device->set_index = -1;
device->client_id = snd_seq_port_info_get_client(midi_hardware->port_info);
device->port_id = snd_seq_port_info_get_port(midi_hardware->port_info);
device->client_name = strdup(snd_seq_client_info_get_name(midi_hardware->client_info));
device->port_name = strdup(snd_seq_port_info_get_name(midi_hardware->port_info));
if (!device->client_name || !device->port_name) {
genesis_midi_device_unref(device);
return GenesisErrorNoMem;
}
if (strcmp(device->client_name, "System") == 0 &&
strcmp(device->port_name, "Timer") == 0)
{
genesis_midi_device_unref(midi_hardware->system_timer_device);
midi_hardware->system_timer_device = device;
} else if (strcmp(device->client_name, "System") == 0 &&
strcmp(device->port_name, "Announce") == 0)
{
genesis_midi_device_unref(midi_hardware->system_announce_device);
midi_hardware->system_announce_device = device;
} else {
if (info->default_device_index == -1 || default_is_midi_through) {
info->default_device_index = info->devices.length();
default_is_midi_through = strcmp(device->client_name, "Midi Through") == 0;
}
int err = info->devices.append(device);
if (err) {
genesis_midi_device_unref(device);
return GenesisErrorNoMem;
}
}
}
}
os_mutex_lock(midi_hardware->mutex);
MidiDevicesInfo *old_devices_info = midi_hardware->ready_devices_info;
midi_hardware->ready_devices_info = info;
os_mutex_unlock(midi_hardware->mutex);
destroy_devices_info(old_devices_info);
midi_hardware->events_signal(midi_hardware);
return 0;
}
