static int _client_name_size(ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj* const *objv) {
_t *dp = (_t *)clientData;
if (argc != 2) return fw_error_str(interp, "jack-client client-name-size");
Tcl_SetObjResult(interp, Tcl_NewIntObj(jack_client_name_size()));
return TCL_OK;
}
/**
* Open and initialize connection to the JACK system.
*
* @param Parameters - optional parameters
* @throws AudioOutputException on error
* @see AcquireChannels()
*/
AudioOutputDeviceJack::AudioOutputDeviceJack(std::map<String,DeviceCreationParameter*> Parameters) : AudioOutputDevice(Parameters) {
if (((DeviceCreationParameterString*)Parameters["NAME"])->ValueAsString().size() >= jack_client_name_size())
throw Exception("JACK client name too long");
if ((hJackClient = jack_client_new(((DeviceCreationParameterString*)Parameters["NAME"])->ValueAsString().c_str())) == 0)
throw AudioOutputException("Seems Jack server not running.");
existingJackDevices++;
jack_set_process_callback(hJackClient, __libjack_process_callback, this);
jack_on_shutdown(hJackClient, __libjack_shutdown_callback, this);
if (jack_activate(hJackClient))
throw AudioOutputException("Jack: Cannot activate Jack client.");
uiMaxSamplesPerCycle = jack_get_buffer_size(hJackClient);
// create audio channels
AcquireChannels(((DeviceCreationParameterInt*)Parameters["CHANNELS"])->ValueAsInt());
// finally activate device if desired
if (((DeviceCreationParameterBool*)Parameters["ACTIVE"])->ValueAsBool()) Play();
}
int main(int argc, char *argv[])
{
parse_arguments(argc, argv);
jack_session_command_t *retval;
int k,i,j;
/* become a JACK client */
if ((client = jack_client_open(package, JackNullOption, NULL)) == 0) {
fprintf(stderr, "JACK server not running?\n");
exit(1);
}
signal(SIGQUIT, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGHUP, signal_handler);
signal(SIGINT, signal_handler);
jack_on_shutdown(client, jack_shutdown, 0);
jack_activate(client);
retval = jack_session_notify( client, NULL, notify_type, save_path );
for(i=0; retval[i].uuid; i++ ) {
printf( "export SESSION_DIR=\"%s%s/\"\n", save_path, retval[i].client_name );
printf( "%s &\n", retval[i].command );
add_uuid_mapping(retval[i].uuid);
}
printf( "sleep 10\n" );
for(k=0; retval[k].uuid; k++ ) {
char* port_regexp = alloca( jack_client_name_size()+3 );
char* client_name = jack_get_client_name_by_uuid( client, retval[k].uuid );
snprintf( port_regexp, jack_client_name_size()+3, "%s:.*", client_name );
jack_free(client_name);
const char **ports = jack_get_ports( client, port_regexp, NULL, 0 );
if( !ports ) {
continue;
}
for (i = 0; ports[i]; ++i) {
const char **connections;
if ((connections = jack_port_get_all_connections (client, jack_port_by_name(client, ports[i]))) != 0) {
for (j = 0; connections[j]; j++) {
char *src = map_port_name_to_uuid_port( ports[i] );
char *dst = map_port_name_to_uuid_port( connections[j] );
printf( "jack_connect -u \"%s\" \"%s\"\n", src, dst );
}
jack_free (connections);
}
}
jack_free(ports);
}
jack_session_commands_free(retval);
jack_client_close(client);
return 0;
}
int
Port::max_name ( void )
{
return jack_port_name_size() - jack_client_name_size() - 6;
}
PUBLIC int csoundModuleCreate(CSOUND *csound)
{
RtJackGlobals *p;
int i, j;
OPARMS oparms;
csound->GetOParms(csound, &oparms);
/* allocate and initialise globals */
if (oparms.msglevel & 0x400)
csound->Message(csound, Str("JACK real-time audio module for Csound "
"by Istvan Varga\n"));
if (csound->CreateGlobalVariable(csound, "_rtjackGlobals",
sizeof(RtJackGlobals)) != 0) {
csound->ErrorMsg(csound, Str(" *** rtjack: error allocating globals"));
return -1;
}
p = (RtJackGlobals*) csound->QueryGlobalVariableNoCheck(csound,
"_rtjackGlobals");
p->csound = csound;
p->jackState = -1;
strcpy(&(p->clientName[0]), "csound6");
strcpy(&(p->inputPortName[0]), "input");
strcpy(&(p->outputPortName[0]), "output");
p->sleepTime = 1000; /* this is not actually used */
p->inDevName = (char*) NULL;
p->outDevName = (char*) NULL;
p->client = (jack_client_t*) NULL;
p->inPorts = (jack_port_t**) NULL;
p->inPortBufs = (jack_default_audio_sample_t**) NULL;
p->outPorts = (jack_port_t**) NULL;
p->outPortBufs = (jack_default_audio_sample_t**) NULL;
p->bufs = (RtJackBuffer**) NULL;
/* register options: */
/* client name */
i = jack_client_name_size();
if (i > (MAX_NAME_LEN + 1))
i = (MAX_NAME_LEN + 1);
csound->CreateConfigurationVariable(csound, "jack_client",
(void*) &(p->clientName[0]),
CSOUNDCFG_STRING, 0, NULL, &i,
Str("JACK client name (default: csound6)"),
NULL);
/* input port name */
i = jack_port_name_size() - 3;
if (i > (MAX_NAME_LEN + 1))
i = (MAX_NAME_LEN + 1);
csound->CreateConfigurationVariable(csound, "jack_inportname",
(void*) &(p->inputPortName[0]),
CSOUNDCFG_STRING, 0, NULL, &i,
Str("JACK input port name prefix "
"(default: input)"), NULL);
/* output port name */
i = jack_port_name_size() - 3;
if (i > (MAX_NAME_LEN + 1))
i = (MAX_NAME_LEN + 1);
csound->CreateConfigurationVariable(csound, "jack_outportname",
(void*) &(p->outputPortName[0]),
CSOUNDCFG_STRING, 0, NULL, &i,
Str("JACK output port name prefix"
" (default: output)"), NULL);
/* sleep time */
i = 250; j = 25000; /* min/max value */
csound->CreateConfigurationVariable(csound, "jack_sleep_time",
(void*) &(p->sleepTime),
CSOUNDCFG_INTEGER, 0, &i, &j,
Str("Deprecated"), NULL);
/* done */
p->listclient = NULL;
return 0;
}
AudioDevJack::AudioDevJack(QObject *parent):
AudioDev(parent)
{
this->m_curChannels = 0;
this->m_curSampleRate = 0;
this->m_maxBufferSize = 0;
this->m_isInput = false;
this->m_client = NULL;
this->m_descriptions = {
{":jackinput:" , "JACK Audio Connection Kit Input" },
{":jackoutput:", "JACK Audio Connection Kit Output"},
};
auto appName = QCoreApplication::applicationName()
+ QString("_%1").arg(Ak::id());
int maxNameSize = jack_client_name_size() - 1;
if (appName.size() > maxNameSize)
appName = appName.mid(0, maxNameSize);
jack_status_t status;
this->m_client = jack_client_open(appName.toStdString().c_str(),
JackNullOption,
&status);
if (!this->m_client) {
this->m_error = jackErrorCodes->value(status);
Q_EMIT this->errorChanged(this->m_error);
return;
}
// Setup callbacks
jack_set_process_callback(this->m_client,
AudioDevJack::onProcessCallback,
this);
jack_on_shutdown(this->m_client,
AudioDevJack::onShutdownCallback,
this);
AkAudioCaps audioCaps;
audioCaps.isValid() = true;
audioCaps.format() = AkAudioCaps::SampleFormat_flt;
audioCaps.bps() = AkAudioCaps::bitsPerSample(audioCaps.format());
audioCaps.rate() = int(jack_get_sample_rate(this->m_client));
audioCaps.layout() = AkAudioCaps::defaultChannelLayout(audioCaps.channels());
audioCaps.align() = false;
QMap<QString, JackPortFlags> portTypeMap = {
{":jackinput:" , JackPortIsOutput},
{":jackoutput:", JackPortIsInput }
};
// Query the number orr channels
for (auto deviceId: portTypeMap.keys()) {
auto ports = jack_get_ports(this->m_client,
NULL,
JACK_DEFAULT_AUDIO_TYPE,
JackPortIsPhysical | portTypeMap[deviceId]);
int channels = 0;
for (auto portName = ports; portName && *portName; portName++, channels++)
this->m_devicePorts[deviceId] << *portName;
if (ports)
jack_free(ports);
if (channels > 0) {
audioCaps.channels() = channels;
this->m_caps[deviceId] = audioCaps;
}
}
}
int JackClient::nameSize()
{
return jack_client_name_size();
}
