static int
process_info_connect_jack (process_info_t * procinfo, ui_t * ui)
{
_update_status ( _("Connecting to JACK server with client name '%s'"), jack_client_name );
#if HAVE_JACK_SESSION
if (strlen (session_uuid->str))
procinfo->jack_client = jack_client_open (jack_client_name, JackSessionID, NULL, session_uuid->str);
else
#endif
procinfo->jack_client = jack_client_open (jack_client_name, JackNullOption, NULL);
if (!procinfo->jack_client)
return -1;
_update_status ( _status_cb_data, _("Connected to JACK server") );
jack_set_process_callback (procinfo->jack_client, process, procinfo);
jack_on_shutdown (procinfo->jack_client, jack_shutdown_cb, ui); /* FIXME: need a generic callback for this, too */
#if HAVE_JACK_SESSION
if( jack_set_session_callback )
jack_set_session_callback (procinfo->jack_client, jack_session_cb_aux, ui);
#endif
return 0;
}
PRIVATE void clock_handler(AClock *clock, AClockReason reason) {
switch (reason) {
case CLOCK_DISABLE:
jack_deactivate( jack_client );
break;
case CLOCK_ENABLE:
jack_set_process_callback( jack_client, (JackProcessCallback) process_callback, NULL );
jack_on_shutdown (jack_client, jack_shutdown, 0);
jack_activate( jack_client );
lash_event_t *event;
if( lash_enabled( galan_lash_get_client() ) ) {
event = lash_event_new_with_type(LASH_Jack_Client_Name);
lash_event_set_string(event, jack_get_client_name( jack_client ) );
lash_send_event( galan_lash_get_client(), event);
}
break;
default:
g_message("Unreachable code reached (jack_output)... reason = %d", reason);
break;
}
}
int
main (int argc, char *argv[])
{
parse_arguments (argc, argv);
/* become a JACK client */
if ((client = jack_client_open ("freewheel", 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);
if (jack_set_freewheel (client, onoff)) {
fprintf (stderr, "failed to reset freewheel mode\n");
}
jack_client_close(client);
return 0;
}
// Attempt to connect to the Jack server
static PyObject* attach(PyObject* self, PyObject* args)
{
char* cname;
if (! PyArg_ParseTuple(args, "s", &cname))
return NULL;
pyjack_client_t * client = self_or_global_client(self);
if(client->pjc != NULL) {
PyErr_SetString(JackUsageError, "A connection is already established.");
return NULL;
}
jack_status_t status;
client->pjc = jack_client_open(cname, JackNoStartServer, &status);
if(client->pjc == NULL) {
//TODO check status
PyErr_SetString(JackNotConnectedError, "Failed to connect to Jack audio server.");
return NULL;
}
jack_on_shutdown(client->pjc, pyjack_shutdown, client);
signal(SIGHUP, pyjack_hangup); // TODO: This just works with global clients
if(jack_set_process_callback(client->pjc, pyjack_process, client) != 0) {
PyErr_SetString(JackError, "Failed to set jack process callback.");
return NULL;
}
if(jack_set_buffer_size_callback(client->pjc, pyjack_buffer_size_changed, client) != 0) {
PyErr_SetString(JackError, "Failed to set jack buffer size callback.");
return NULL;
}
if(jack_set_sample_rate_callback(client->pjc, pyjack_sample_rate_changed, client) != 0) {
PyErr_SetString(JackError, "Failed to set jack sample rate callback.");
return NULL;
}
if(jack_set_port_registration_callback(client->pjc, pyjack_port_registration, client) != 0) {
PyErr_SetString(JackError, "Failed to set jack port registration callback.");
return NULL;
}
if(jack_set_graph_order_callback(client->pjc, pyjack_graph_order, client) != 0) {
PyErr_SetString(JackError, "Failed to set jack graph order callback.");
return NULL;
}
if(jack_set_xrun_callback(client->pjc, pyjack_xrun, client) != 0) {
PyErr_SetString(JackError, "Failed to set jack xrun callback.");
return NULL;
}
// Get buffer size
client->buffer_size = jack_get_buffer_size(client->pjc);
// Success!
Py_INCREF(Py_None);
return Py_None;
}
int main(int argc, char *argv[])
{
int rc;
parse_arguments(argc, argv);
/* become a JACK client */
if ((client = jack_client_open(package, JackNullOption, NULL)) == 0) {
fprintf(stderr, "JACK server not running?\n");
exit(1);
}
#ifndef WIN32
signal(SIGQUIT, signal_handler);
signal(SIGHUP, signal_handler);
#endif
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
jack_on_shutdown(client, jack_shutdown, 0);
if (just_print_bufsize) {
fprintf(stdout, "buffer size = %d sample rate = %d\n", jack_get_buffer_size(client), jack_get_sample_rate(client));
rc=0;
}
else
{
rc = jack_set_buffer_size(client, nframes);
if (rc)
fprintf(stderr, "jack_set_buffer_size(): %s\n", strerror(rc));
}
jack_client_close(client);
return rc;
}
String open (const BigInteger& inputChannels, const BigInteger& outputChannels,
double /* sampleRate */, int /* bufferSizeSamples */)
{
jack_Log ("opening client");
lastError = client.open (KV_JACK_NAME, 0);
if (lastError.isNotEmpty())
{
jack_Log (lastError);
return lastError;
}
DBG("num inputs: " << inputChannels.getHighestBit());
DBG("num outputs: " << outputChannels.getHighestBit());
jack_on_shutdown (client, JackDevice::shutdownCallback, this);
jack_set_error_function (JackDevice::errorCallback);
jack_set_port_connect_callback (client, JackDevice::portConnectCallback, this);
jack_set_process_callback (client, JackDevice::processCallback, this);
jack_set_thread_init_callback (client, JackDevice::threadInitCallback, this);
jack_set_port_registration_callback (client, JackDevice::_portRegistration, this);
client.registerPort ("audio_1", Jack::audioPort, JackPortIsOutput);
client.registerPort ("audio_2", Jack::audioPort, JackPortIsOutput);
return lastError;
}
static int start_jack_client(void)
{
const char *server_name;
jack_status_t status;
client = jack_client_open("xwax", JackNullOption, &status, &server_name);
if (client == NULL) {
if (status & JackServerFailed)
fprintf(stderr, "JACK: Failed to connect\n");
else
fprintf(stderr, "jack_client_open: Failed (0x%x)\n", status);
return -1;
}
if (jack_set_process_callback(client, process_callback, NULL) != 0) {
fprintf(stderr, "JACK: Failed to set process callback\n");
return -1;
}
jack_on_shutdown(client, shutdown_callback, NULL);
rate = jack_get_sample_rate(client);
fprintf(stderr, "JACK: %dHz\n", rate);
return 0;
}
// ========================
// = INITIALIZE AUDIO I/O =
// ========================
void initJackAudioIO() {
// Create client:
if((client = jack_client_open("xooky_nabox", JackNullOption, NULL)) == NULL) {
std::cout << "jack server not running?\n";
exit(1);
}
// Register callbacks:
jack_on_shutdown(client, jack_shutdown, 0);
jack_set_process_callback(client, process, 0);
// Register io ports:
portO1 = jack_port_register(client, "out1", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
portO2 = jack_port_register(client, "out2", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
portI1 = jack_port_register(client, "in1", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
portI2 = jack_port_register(client, "in2", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
// Get sample rate from server
sampleRate = jack_get_sample_rate(client);
std::cout << "Sample rate:" << sampleRate << "\n";
//Go!
if (jack_activate (client)) {
std::cout << "Cannot activate client";
exit(1);
}
}
DspAudioJackOut::DspAudioJackOut( DspOutRtp *inrtp, const QString &name )
{
jack_clientName = name;
audio_stereo = false;
input = inrtp;
if ((jack_client = jack_client_new( jack_clientName )) == 0 ) {
printf( "CallAudioJackOut: Error, jack server not running?\n" );
return;
}
jack_thread_info_t thread_info;
thread_info.client = jack_client;
thread_info.channels = 1;
thread_info.ready = 0;
thread_info.running = 0;
jack_set_process_callback( jack_client, jack_callaudio_process, &thread_info );
jack_on_shutdown( jack_client, jack_callaudio_shutdown, &thread_info );
if (jack_activate( jack_client )) {
fprintf (stderr, "cannot activate client");
}
setup_port_out( 1, "alsa_pcm:playback_1", &thread_info);
}
// Device initialization method.
bool qmidinetJackMidiDevice::open ( const QString& sClientName, int iNumPorts )
{
// Close if already open.
close();
// Open new JACK client...
const QByteArray aClientName = sClientName.toLocal8Bit();
m_pJackClient = jack_client_open(
aClientName.constData(), JackNullOption, NULL);
if (m_pJackClient == NULL)
return false;
m_nports = iNumPorts;
int i;
// Create duplex ports.
m_ppJackPortIn = new jack_port_t * [m_nports];
m_ppJackPortOut = new jack_port_t * [m_nports];
for (i = 0; i < m_nports; ++i) {
m_ppJackPortIn[i] = NULL;
m_ppJackPortOut[i] = NULL;
}
const QString sPortNameIn("in_%1");
const QString sPortNameOut("out_%1");
for (i = 0; i < m_nports; ++i) {
m_ppJackPortIn[i] = jack_port_register(m_pJackClient,
sPortNameIn.arg(i + 1).toLocal8Bit().constData(),
JACK_DEFAULT_MIDI_TYPE,
JackPortIsInput, 0);
m_ppJackPortOut[i] = jack_port_register(m_pJackClient,
sPortNameOut.arg(i + 1).toLocal8Bit().constData(),
JACK_DEFAULT_MIDI_TYPE,
JackPortIsOutput, 0);
}
// Create transient buffers.
m_pJackBufferIn = jack_ringbuffer_create(1024 * m_nports);
m_pJackBufferOut = jack_ringbuffer_create(1024 * m_nports);
// Prepare the queue sorter stuff...
m_pQueueIn = new qmidinetJackMidiQueue(1024 * m_nports, 8);
// Set and go usual callbacks...
jack_set_process_callback(m_pJackClient,
qmidinetJackMidiDevice_process, this);
jack_on_shutdown(m_pJackClient,
qmidinetJackMidiDevice_shutdown, this);
jack_activate(m_pJackClient);
// Start listener thread...
m_pRecvThread = new qmidinetJackMidiThread();
m_pRecvThread->start();
// Done.
return true;
}
void open_jack(void )
{
if (jack_client) {
fprintf (stderr, "xjadeo is alredy connected to jack.\n");
return;
}
int i = 0;
do {
snprintf(jackid,16,"xjadeo-%i",i);
#ifdef JACK_SESSION
if (jack_uuid)
jack_client = jack_client_open (jackid, JackUseExactName|JackSessionID, NULL, jack_uuid);
else
#endif
jack_client = jack_client_open (jackid, JackUseExactName, NULL);
} while (jack_client == 0 && i++<16);
if (!jack_client) {
fprintf(stderr, "could not connect to jack server.\n");
} else {
#ifdef JACK_SESSION
jack_set_session_callback (jack_client, jack_session_cb, NULL);
#endif
#ifndef HAVE_WINDOWS
jack_on_shutdown (jack_client, jack_shutdown, 0);
jack_activate(jack_client);
#endif
if (!want_quiet)
fprintf(stdout, "connected as jack client '%s'\n",jackid);
#ifdef HAVE_LASH
lash_jack_client_name(lash_client, jackid);
#endif
}
}
int main (int argc, char *argv[])
{
jack_client_t *client;
char jack_client_name[] = "scope";
jack_status_t jack_status;
jack_options_t jack_options = JackNullOption;
if ((client = jack_client_open(jack_client_name, jack_options, &jack_status)) == 0) {
fprintf (stderr, "jack server not running?\n");
return 1;
}
jack_set_process_callback (client, process, 0);
jack_set_buffer_size_callback (client, bufsize, 0);
jack_set_sample_rate_callback (client, srate, 0);
jack_on_shutdown (client, jack_shutdown, 0);
in_l = jack_port_register (client, "in_l", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
in_r = jack_port_register (client, "in_r", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
out_x = jack_port_register (client, "out_x", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
out_y = jack_port_register (client, "out_y", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
out_w = jack_port_register (client, "out_w", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
if (jack_activate (client)) {
fprintf (stderr, "cannot activate client");
return 1;
}
while (1)
sleep(1);
jack_client_close (client);
exit (0);
}
static int start_jack(AVFormatContext *context, AVFormatParameters *params)
{
JackData *self = context->priv_data;
jack_status_t status;
int i, test;
double o, period;
/* Register as a JACK client, using the context filename as client name. */
self->client = jack_client_open(context->filename, JackNullOption, &status);
if (!self->client) {
av_log(context, AV_LOG_ERROR, "Unable to register as a JACK client\n");
return AVERROR(EIO);
}
sem_init(&self->packet_count, 0, 0);
self->sample_rate = jack_get_sample_rate(self->client);
self->nports = params->channels;
self->ports = av_malloc(self->nports * sizeof(*self->ports));
self->buffer_size = jack_get_buffer_size(self->client);
/* Register JACK ports */
for (i = 0; i < self->nports; i++) {
char str[16];
snprintf(str, sizeof(str), "input_%d", i + 1);
self->ports[i] = jack_port_register(self->client, str,
JACK_DEFAULT_AUDIO_TYPE,
JackPortIsInput, 0);
if (!self->ports[i]) {
av_log(context, AV_LOG_ERROR, "Unable to register port %s:%s\n",
context->filename, str);
jack_client_close(self->client);
return AVERROR(EIO);
}
}
/* Register JACK callbacks */
jack_set_process_callback(self->client, process_callback, self);
jack_on_shutdown(self->client, shutdown_callback, self);
jack_set_xrun_callback(self->client, xrun_callback, self);
/* Create time filter */
period = (double) self->buffer_size / self->sample_rate;
o = 2 * M_PI * 1.5 * period; /// bandwidth: 1.5Hz
self->timefilter = ff_timefilter_new (1.0 / self->sample_rate, sqrt(2 * o), o * o);
/* Create FIFO buffers */
self->filled_pkts = av_fifo_alloc(FIFO_PACKETS_NUM * sizeof(AVPacket));
/* New packets FIFO with one extra packet for safety against underruns */
self->new_pkts = av_fifo_alloc((FIFO_PACKETS_NUM + 1) * sizeof(AVPacket));
if ((test = supply_new_packets(self, context))) {
jack_client_close(self->client);
return test;
}
return 0;
}
jack_client_t* init_jack(void)
{
jack_client_t *client;
const char *client_name = "simple_talker";
const char *server_name = NULL;
jack_options_t options = JackNullOption;
jack_status_t status;
client = jack_client_open (client_name, options, &status, server_name);
if (NULL == client) {
fprintf (stderr, "jack_client_open() failed\n ");
exit (1);
}
if (status & JackServerStarted) {
fprintf (stderr, "JACK server started\n");
}
if (status & JackNameNotUnique) {
client_name = jack_get_client_name(client);
fprintf (stderr, "unique name `%s' assigned\n", client_name);
}
jack_set_process_callback(client, process, 0);
jack_on_shutdown(client, jack_shutdown, 0);
if (jack_activate (client))
fprintf (stderr, "cannot activate client");
inputports = (jack_port_t**) malloc (CHANNELS * sizeof (jack_port_t*));
in = (jack_default_audio_sample_t**) malloc (CHANNELS * sizeof (jack_default_audio_sample_t*));
ringbuffer = jack_ringbuffer_create (SAMPLE_SIZE * DEFAULT_RINGBUFFER_SIZE * CHANNELS);
jack_ringbuffer_mlock(ringbuffer);
memset(in, 0, sizeof (jack_default_audio_sample_t*)*CHANNELS);
memset(ringbuffer->buf, 0, ringbuffer->size);
for(int i = 0; i < CHANNELS; i++)
{
char* portName;
if (asprintf(&portName, "input%d", i) < 0)
{
fprintf(stderr, "Could not create portname for port %d", i);
exit(1);
}
inputports[i] = jack_port_register (client, portName,
JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
if (NULL == inputports[i])
{
fprintf (stderr, "cannot register input port \"%d\"!\n", i);
jack_client_close (client);
exit (1);
}
}
return client;
}
int
jack_initialize (jack_client_t *client, const char* load_init)
{
struct a2j* self = calloc(1, sizeof(struct a2j));
if (!self) {
return -1;
}
self->jack_client = client;
self->input = 1;
self->ignore_hardware_ports = 0;
self->finishing = 0;
if (load_init) {
char* args = strdup (load_init);
char* token;
char* ptr = args;
char* savep;
while (1) {
if ((token = strtok_r (ptr, ", ", &savep)) == NULL) {
break;
}
if (strncasecmp (token, "in", 2) == 0) {
self->input = 1;
}
if (strncasecmp (token, "out", 2) == 0) {
self->input = 0;
}
if (strncasecmp (token, "hw", 2) == 0) {
self->ignore_hardware_ports = 0;
}
ptr = NULL;
}
free (args);
}
if (connect_to_alsa (self)) {
free (self);
return -1;
}
jack_set_process_callback (client, a2j_process, self);
jack_set_freewheel_callback (client, a2j_freewheel, NULL);
jack_on_shutdown (client, a2j_shutdown, NULL);
jack_activate (client);
return 0;
}
JackCpp::AudioIO::AudioIO(std::string name, unsigned int inPorts, unsigned int outPorts, bool startServer)
throw(std::runtime_error) : mCmdBuffer(256,true)
{
jack_options_t jack_open_options = JackNullOption;
if(startServer == false)
jack_open_options = JackNoStartServer;
mJackState = notActive;
//set the error callback
jack_set_error_function (error_callback);
/* try to become a client of the JACK server */
if ((mJackClient = jack_client_open (name.c_str(), jack_open_options, NULL)) == 0) {
throw std::runtime_error("cannot create client jack server not running?");
}
#ifdef __APPLE__
else {
// because the mac version of jack is being totally LAME
sleep(2);
}
#endif
//set the shutdown callback
jack_on_shutdown (mJackClient, shutdown_callback, this);
//allocate ports
if (inPorts > 0){
for(unsigned int i = 0; i < inPorts; i++){
std::string portname = "input";
portname.append(ToString(i));
mInputPorts.push_back(
jack_port_register (mJackClient, portname.c_str(), JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0));
mPortNames.push_back(portname);
}
//reserve the data for the jack callback buffers
for(unsigned int i = 0; i < mInputPorts.size(); i++)
mJackInBuf.push_back(NULL);
}
if (outPorts > 0){
for(unsigned int i = 0; i < outPorts; i++){
std::string portname = "output";
portname.append(ToString(i));
mOutputPorts.push_back(
jack_port_register (mJackClient, portname.c_str(), JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0));
mPortNames.push_back(portname);
}
//reserve the data for the jack callback buffers
for(unsigned int i = 0; i < mOutputPorts.size(); i++)
mJackOutBuf.push_back(NULL);
}
//set up the callback
if(0 != jack_set_process_callback (mJackClient, JackCpp::AudioIO::jackProcessCallback, this))
throw std::runtime_error("cannot register process callback");
}
int rmdStartJackClient(JackData *jdata){
float ring_buffer_size=0.0;
int pid;
char pidbuf[8];
char rmd_client_name[32];
//construct the jack client name
//which is recordMyDesktop-pid
//in order to allow multiple
//instances of recordMyDesktop
//to connetc to a Jack Server
strcpy(rmd_client_name,"recordMyDesktop-");
pid=getpid();
snprintf( pidbuf, 8, "%d", pid );
strcat(rmd_client_name,pidbuf);
if ((jdata->client=(*jack_client_new)(rmd_client_name))==0){
fprintf(stderr,"Could not create new client!\n"
"Make sure that Jack server is running!\n");
return 15;
}
//in contrast to ALSA and OSS, Jack dictates frequency
//and buffersize to the values it was launched with.
//Supposedly jack_set_buffer_size can set the buffersize
//but that causes some kind of halt and keeps giving me
//zero buffers.
//recordMyDesktop cannot handle buffer size changes.
//FIXME
//There is a callback for buffer size changes that I should use.
//It will provide clean exits, instead of ?segfaults? .
//Continuing though is not possible, with the current layout
//(it might be in some cases, but it will certainly be the cause
//of unpredicted problems). A clean exit is preferable
//and any recording up to that point will be encoded and saved.
jdata->frequency=jack_get_sample_rate(jdata->client);
jdata->buffersize=jack_get_buffer_size(jdata->client);
ring_buffer_size=(jdata->ringbuffer_secs*
jdata->frequency*
sizeof(jack_default_audio_sample_t)*
jdata->nports);
jdata->sound_buffer=
(*jack_ringbuffer_create)((int)(ring_buffer_size+0.5));//round up
jack_set_process_callback(jdata->client,rmdJackCapture,jdata);
jack_on_shutdown(jdata->client,rmdJackShutdown,jdata);
if (jack_activate(jdata->client)) {
fprintf(stderr,"cannot activate client!\n");
return 16;
}
if(rmdSetupPorts(jdata)){
jack_client_close(jdata->client);
return 17;
}
return 0;
}
process_info_t *
process_info_new (ui_t* ui, unsigned long rack_channels)
{
process_info_t* procinfo;
int err;
procinfo = g_malloc (sizeof (process_info_t));
procinfo->chain = NULL;
procinfo->chain_end = NULL;
procinfo->jack_client = NULL;
procinfo->port_count = 0;
procinfo->jack_input_ports = NULL;
procinfo->jack_output_ports = NULL;
procinfo->channels = rack_channels;
procinfo->time_runs = time_runs;
/* sort out the client name */
jack_client_name = g_strdup ( client_name->str );
sanitize_client_name ( jack_client_name );
err = process_info_connect_jack (procinfo, ui);
if (err == -1)
{
g_free (jack_client_name);
g_free (procinfo);
return NULL;
}
err = process_info_set_port_count (procinfo, ui, rack_channels);
if (err)
return NULL;
sample_rate = jack_get_sample_rate (procinfo->jack_client);
buffer_size = jack_get_sample_rate (procinfo->jack_client);
jack_set_process_callback (procinfo->jack_client, process, procinfo);
jack_on_shutdown (procinfo->jack_client, jack_shutdown_cb, ui);
#if HAVE_JACK_SESSION
if( jack_set_session_callback )
jack_set_session_callback (procinfo->jack_client, jack_session_cb_aux, ui);
#endif
procinfo->ui_to_process = ui->ui_to_process;
procinfo->process_to_ui = ui->process_to_ui;
jack_activate (procinfo->jack_client);
#ifdef HAVE_LASH
/* sort out LASH stuff */
lash_jack_client_name (global_lash_client, jack_client_name);
#endif
return procinfo;
}
int main(int argc, char *argv[]) {
/* try to become a client of the JACK server */
int c;
while ((c = getopt(argc, argv, "a:p:f:")) != -1)
switch (c) {
case 'a':
udp_ip = optarg;
break;
case 'p':
udp_port = atoi(optarg);
break;
case 'f':
framerate_out=atoi(optarg);
break;
default:
abort();
break;
}
framerate_out_delay=(int)(((float)1/(float)framerate_out)*(float)1000000);
printf("Starting..\n");
if ((client = jack_client_open("showtime", JackNullOption, NULL)) == 0) {
fprintf(stderr, "JACK server not running?\n");
return 1;
}
signal(SIGQUIT, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGHUP, signal_handler);
signal(SIGINT, signal_handler);
/* tell the JACK server to call `jack_shutdown()' if
it ever shuts down, either entirely, or if it
just decides to stop calling us.
*/
jack_on_shutdown(client, jack_shutdown, 0);
/* tell the JACK server that we are ready to roll */
if (jack_activate(client)) {
fprintf(stderr, "cannot activate client");
return 1;
}
while (1) {
usleep(framerate_out_delay);
showtime();
}
jack_client_close(client);
exit(0);
}
jack_raw_output::jack_raw_output (const char* client,
const char* server,
int rate,
int channels,
callback_type cb)
: detail::async_base_impl (cb)
, _out_ports (channels)
, _buffer_size (0)
{
jack_set_error_function (log_jack_error);
jack_set_info_function (log_jack_info);
jack_options_t options = !server ? JackNullOption : JackServerName;
_client = jack_client_open (client, options, 0, server);
if (!_client) throw jack_open_error ();
auto grd_client = base::make_guard ([&] { jack_client_close (_client); });
PSYNTH_JACK_CHECK (jack_set_process_callback (
_client, &jack_raw_output::_process_cb, this),
jack_param_error);
PSYNTH_JACK_CHECK (jack_set_sample_rate_callback (
_client, &jack_raw_output::_sample_rate_cb, this),
jack_param_error);
jack_on_shutdown (_client, &jack_raw_output::_shutdown_cb, this);
_actual_rate = jack_get_sample_rate (_client);
if (_actual_rate != rate)
PSYNTH_LOG
<< base::log::warning
<< "Jackd sample rate and application sample rate mismatch."
<< "Better sound quality is achieved if both are the same.";
_buffer_size = jack_get_buffer_size (_client);
PSYNTH_LOG << base::log::info
<< "Jackd buffer size is: " << _buffer_size;
for (size_t i = 0; i < _out_ports.size(); ++i)
{
std::string port_name = std::string ("out_") +
boost::lexical_cast<std::string> (i);
_out_ports [i] = jack_port_register (
_client, port_name.c_str (), JACK_DEFAULT_AUDIO_TYPE,
JackPortIsOutput, 0);
if (_out_ports [i] == 0)
throw jack_param_error ();
}
grd_client.dismiss ();
}
bool JackClient::setup(volatile bool* p_runFlag, uint32_t nrOfFramesInRingBuffer)
{
m_p_runFlag = p_runFlag;
const char *server_name = NULL;
jack_options_t options = JackNoStartServer;
jack_status_t status;
// create a jack client
m_p_jackClient = jack_client_open(s_jackClientName.c_str(), options, &status, server_name);
if (m_p_jackClient == NULL) {
DEBUG_PRINT("jack_client_open() failed, status = 0x%2.0x",
status);
if (status & JackServerFailed) {
DEBUG_PRINT("unable to connect to JACK server");
}
return false;
}
if (status & JackServerStarted) {
DEBUG_PRINT("jack server up and running");
}
if (status & JackNameNotUnique) {
char* client_name = jack_get_client_name(m_p_jackClient);
DEBUG_PRINT("unique name `%s' assigned", client_name);
}
// create ringbuffer
m_p_ringBuffer = jack_ringbuffer_create(sizeof(jack_default_audio_sample_t) * jack_get_buffer_size(m_p_jackClient) * nrOfFramesInRingBuffer);
if (m_p_ringBuffer == NULL) {
DEBUG_PRINT("failed to create ringbuffer");
return false;
}
// setup callbacks
int check;
if ((check = jack_set_process_callback(m_p_jackClient, JackClient::processJackCallback, this))) {
return false;
}
jack_on_shutdown(m_p_jackClient, JackClient::shutdownJackCallback, this);
if ((check = jack_set_port_connect_callback(m_p_jackClient, JackClient::connectionJackCallback, this))) {
return false;
}
if (!registerPorts()) {
return false;
}
return true;
}
JackLayer::JackLayer(const AudioPreference &p) :
AudioLayer(p),
captureClient_(nullptr),
playbackClient_(nullptr),
out_ports_(),
in_ports_(),
out_ringbuffers_(),
in_ringbuffers_(),
ringbuffer_thread_(),
//workerAlive_(false),
ringbuffer_thread_mutex_(),
data_ready_(),
playbackBuffer_(0, audioFormat_),
playbackFloatBuffer_(),
captureBuffer_(0, audioFormat_),
captureFloatBuffer_(),
hardwareBufferSize_(0),
mainRingBuffer_(Manager::instance().getRingBufferPool().getRingBuffer(RingBufferPool::DEFAULT_ID))
{
playbackClient_ = jack_client_open(PACKAGE_NAME,
(jack_options_t) (JackNullOption | JackNoStartServer), NULL);
if (!playbackClient_)
throw std::runtime_error("Could not open JACK client");
captureClient_ = jack_client_open(PACKAGE_NAME,
(jack_options_t) (JackNullOption | JackNoStartServer), NULL);
if (!captureClient_)
throw std::runtime_error("Could not open JACK client");
jack_set_process_callback(captureClient_, process_capture, this);
jack_set_process_callback(playbackClient_, process_playback, this);
createPorts(playbackClient_, out_ports_, true, out_ringbuffers_);
createPorts(captureClient_, in_ports_, false, in_ringbuffers_);
const auto playRate = jack_get_sample_rate(playbackClient_);
const auto captureRate = jack_get_sample_rate(captureClient_);
if (playRate != captureRate)
RING_ERR("Mismatch between capture rate %u and playback rate %u", playRate, captureRate);
hardwareBufferSize_ = jack_get_buffer_size(playbackClient_);
auto update_buffer = [] (AudioBuffer &buf, size_t size, unsigned rate, unsigned nbChannels) {
buf.setSampleRate(rate);
buf.resize(size);
buf.setChannelNum(nbChannels);
};
update_buffer(playbackBuffer_, hardwareBufferSize_, playRate, out_ports_.size());
update_buffer(captureBuffer_, hardwareBufferSize_, captureRate, in_ports_.size());
jack_on_shutdown(playbackClient_, onShutdown, this);
}
bool JACKaudiooutputinit(Master *master_){
jackmaster=master_;
jackclient=0;
char tmpstr[100];
jackoutl=new REALTYPE [SOUND_BUFFER_SIZE];
jackoutr=new REALTYPE [SOUND_BUFFER_SIZE];
int rbbufsize=SOUND_BUFFER_SIZE*sizeof (REALTYPE)*2*2;
printf("%d\n",rbbufsize);
rb=jack_ringbuffer_create(rbbufsize);
for (int i=0;i<rbbufsize;i++) rb->buf[i]=0.0;
for (int i=0;i<15;i++){
if (i!=0) snprintf(tmpstr,100,"ZynAddSubFX_%d",i);
else snprintf(tmpstr,100,"ZynAddSubFX");
jackclient=jack_client_new(tmpstr);
if (jackclient!=0) break;
};
if (jackclient==0) {
fprintf(stderr,"\nERROR: Cannot make a jack client (possible reasons: JACK server is not running or jackd is launched by root and zynaddsubfx by another user.).\n\n\n");
return(false);
};
fprintf(stderr,"Internal SampleRate = %d\nJack Output SampleRate= %d\n",SAMPLE_RATE,jack_get_sample_rate(jackclient));
if ((unsigned int)jack_get_sample_rate(jackclient)!=(unsigned int) SAMPLE_RATE)
fprintf(stderr,"It is recomanded that the both samplerates to be equal.\n");
jack_set_process_callback(jackclient,jackprocess,0);
jack_set_sample_rate_callback(jackclient,jacksrate,0);
jack_on_shutdown(jackclient,jackshutdown,0);
outport_left=jack_port_register(jackclient,"out_1",
JACK_DEFAULT_AUDIO_TYPE,JackPortIsOutput|JackPortIsTerminal,0);
outport_right=jack_port_register(jackclient,"out_2",
JACK_DEFAULT_AUDIO_TYPE,JackPortIsOutput|JackPortIsTerminal,0);
if (jack_activate(jackclient)){
fprintf(stderr,"Cannot activate jack client\n");
return(false);
};
pthread_create(&bthr,NULL,thread_blocked,NULL);
/*
jack_connect(jackclient,jack_port_name(outport_left),"alsa_pcm:out_1");
jack_connect(jackclient,jack_port_name(outport_right),"alsa_pcm:out_2");
*/
return(true);
};
void
jack_client_init(long rb_size)
{
jack_client_t *client;
char *client_name;
double aFreq = 440.0;
pthread_attr_t attr;
fftInit(latency);
/* Initialize tuning */
int i;
freqs[0]=aFreq;
lfreqs[0]=log(freqs[0]);
for (i=1; i<12; i++) {
freqs[i] = freqs[i-1] * D_NOTE;
lfreqs[i] = lfreqs[i-1] + LOG_D_NOTE;
}
client_name = g_strdup_printf("show_note_%u", getpid());
if ((client = jack_client_new(client_name)) == 0) {
fprintf (stderr, "jack server not running?\n");
exit (1);
}
/* try and run detect_note thread in realtime */
pthread_attr_init(&attr);
/*
pthread_attr_setscope(&attr, PTHREAD_EXPLICIT_SCHED);
pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
*/
memset (&thread_info, 0, sizeof (thread_info));
thread_info.rb_size = rb_size;
thread_info.client = client;
thread_info.channels = 1;
thread_info.can_process = 0;
if (pthread_create (&thread_info.thread_id, &attr, detect_note, &thread_info)) {
fprintf(stderr, "Error creating realtime thread!\n");
abort();
}
jack_set_process_callback(client, jack_process, &thread_info);
jack_on_shutdown(client, jack_shutdown, &thread_info);
rate = jack_get_sample_rate(client);
if (jack_activate(client)) {
fprintf(stderr, "cannot activate client");
}
}
aubio_jack_t * new_aubio_jack(uint_t ichan, uint_t ochan,
aubio_process_func_t callback) {
aubio_jack_t * jack_setup = aubio_jack_alloc (ichan, ochan);
uint_t i;
char * client_name = "aubio";
char name[64];
/* initial jack client setup */
if ((jack_setup->client = jack_client_new (client_name)) == 0) {
AUBIO_ERR ("jack server not running?\n");
AUBIO_QUIT(AUBIO_FAIL);
}
/* set callbacks */
jack_set_process_callback (jack_setup->client, aubio_jack_process,
(void*) jack_setup);
jack_on_shutdown (jack_setup->client, aubio_jack_shutdown,
(void*) jack_setup);
/* register jack output ports */
for (i = 0; i < ochan; i++)
{
AUBIO_SPRINTF(name, "out_%d", i+1);
AUBIO_MSG("%s\n", name);
if ((jack_setup->oports[i] =
jack_port_register (jack_setup->client, name,
JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0)) == 0)
{
AUBIO_ERR("failed registering output port \"%s\"!\n", name);
jack_client_close (jack_setup->client);
AUBIO_QUIT(AUBIO_FAIL);
}
}
/* register jack input ports */
for (i = 0; i < ichan; i++)
{
AUBIO_SPRINTF(name, "in_%d", i+1);
AUBIO_MSG("%s\n", name);
if ((jack_setup->iports[i] =
jack_port_register (jack_setup->client, name,
JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0)) == 0)
{
AUBIO_ERR("failed registering input port \"%s\"!\n", name);
jack_client_close (jack_setup->client);
AUBIO_QUIT(AUBIO_FAIL);
}
}
/* set processing callback */
jack_setup->callback = callback;
return jack_setup;
}
bool SoundDevice::open(bool read, bool write) {
// notice("detecting sound device");
#ifdef HAVE_JACK
// we try to open up a jack client
jack_sample_size = sizeof(jack_default_audio_sample_t);
if(!jack) // check if it is not allready on
if( (jack_client = jack_client_new("MuSE")) !=0 ) {
notice("jack audio daemon detected");
act("hooking in/out sound channels");
warning("this feature is still experimental and won't work!");
warning("you need to stop jack and free the audio card");
jack = true;
jack_samplerate = jack_get_sample_rate(jack_client);
jack_set_process_callback(jack_client, dev_jack_process, this);
jack_on_shutdown(jack_client,dev_jack_shutdown,this);
jack_in_pipe = new Pipe();
jack_in_pipe->set_output_type("copy_float_to_int16");
jack_in_pipe->set_block(false,true);
jack_out_pipe = new Pipe();
jack_out_pipe->set_input_type("copy_int16_to_float");
jack_in_pipe->set_block(true,false);
// open the jack input channel
jack_in_port = jack_port_register(jack_client, "capture",
JACK_DEFAULT_AUDIO_TYPE,
JackPortIsInput, 0);
// open the jack output channel
jack_out_port = jack_port_register(jack_client, "playback",
JACK_DEFAULT_AUDIO_TYPE,
JackPortIsOutput, 0);
jack_activate(jack_client);
return true;
}
#endif
if( ! output(write) ) return false;
if(info_output) func("output device: %s",info_output->name);
else error("output device not available");
if( ! input(read) ) return false;
if(info_input) func("input device: %s",info_input->name);
else error("input device not available");
return true;
}
void AudioReader::start(char* llabel = "cloop:capture_1", char* rlabel = "cloop:capture_2") {
if(running)
return;
running = true;
// set up the history
head = 0;
history_length = 0;
sounds = new Sound[max_history_length];
if((client = jack_client_open("AudioReader", JackNoStartServer, NULL)) == 0){
fprintf(stderr, "jack server not running?\n");
exit(EXIT_FAILURE);
}
pthread_mutex_lock(&reading_mutex); // jack_client_open() links the process() callback and if process() runs before the ports are connected this will break
jack_set_process_callback(client, audio_reader_process_callback, (void *) this);
jack_on_shutdown(client, audio_reader_shutdown_callback, this);
if (jack_activate(client)) {
fprintf(stderr, "Cannot activate client");
exit(EXIT_FAILURE);
}
// register the ports to capture data on, in this case set with the JACK audio GUI
output_left = jack_port_by_name(client, llabel);
output_right = jack_port_by_name(client, rlabel);
if (output_left == NULL || output_right == NULL) {
fprintf(stderr, "Can't get ports from Jack server");
jack_client_close(client);
exit(EXIT_FAILURE);
}
// allocate space for the main audio buffer that will continuously be written to
buffer = new jack_default_audio_sample_t[nports * maxframes];
// register this program's loopback ports
input_left = jack_port_register(client, "AudioReaderLeft", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
input_right = jack_port_register(client, "AudioReaderRight", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
if (input_left == 0 || input_right == 0) {
fprintf(stderr, "Cannot register loopback port\n");
stop();
exit(EXIT_FAILURE);
}
// create the new connections to route all audio to system out through this program
int left_con = jack_connect(client, jack_port_name(output_left), jack_port_name(input_left));
int right_con = jack_connect(client, jack_port_name(output_right), jack_port_name(input_right));
if (left_con != 0 || right_con != 0) {
fprintf(stderr, "Cannot connect input to output\n");
stop();
exit(EXIT_FAILURE);
}
pthread_mutex_unlock(&reading_mutex);
// allocate the space for the fft
if ((cfg = kiss_fftr_alloc(maxframes, 0, NULL, NULL)) == NULL)
fprintf(stderr, "Out of memory!\n");
}
int main(int argc, char *argv[]) {
jack_client_t *client;
const char **ports;
const char* name = (argc>1) ? argv[1] : "StereoDecoder";
char s[63];
int i;
if ((client = jack_client_open(name, JackNullOption, NULL)) == 0) {
fprintf(stderr, "jack server not running?\n");
return 1;
}
jack_set_process_callback(client, process, 0);
jack_on_shutdown(client, jack_shutdown, 0);
for(i=0; i<INPORTS; i++) {
sprintf(s, "input_%d", i);
input_ports[i] = jack_port_register(client, s,
JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
}
for(i=0; i<OUTPORTS; i++) {
sprintf(s, "output_%d", i);
output_ports[i] = jack_port_register(client, s,
JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
}
if (jack_activate(client)) {
fprintf(stderr, "cannot activate client");
return 1;
}
if ((ports = jack_get_ports(client, NULL, NULL, JackPortIsPhysical|JackPortIsInput)) == NULL) {
fprintf(stderr, "Cannot find any physical playback ports\n");
return 1;
}
for(i=0; i<OUTPORTS; i++) {
if (ports[i]==NULL ||
jack_connect(client, jack_port_name(output_ports[i]), ports[i])) {
fprintf(stderr, "cannot connect output ports\n");
}
}
free(ports);
while (1) {
sleep(10);
}
}
MidiJack::MidiJack() :
MidiClientRaw(),
m_input_port( NULL ),
m_output_port( NULL ),
m_quit( false )
{
// if jack is used for audio then we share the connection
// AudioJack creates and maintains the jack connection
// and also handles the callback, we pass it our address
// so that we can also process during the callback
if(Engine::mixer()->audioDevName() == AudioJack::name() )
{
// if a jack connection has been created for audio we use that
m_jackAudio = dynamic_cast<AudioJack*>(Engine::mixer()->audioDev())->addMidiClient(this);
}else{
m_jackAudio = NULL;
m_jackClient = jack_client_open(probeDevice().toLatin1().data(),
JackNoStartServer, NULL);
if(m_jackClient)
{
jack_set_process_callback(m_jackClient,
JackMidiProcessCallback, this);
jack_on_shutdown(m_jackClient,
JackMidiShutdown, 0);
}
}
if(jackClient())
{
/* jack midi out not implemented
JackMidiWrite and sendByte needs to be functional
before enabling this
m_output_port = jack_port_register(
jackClient(), "MIDI out", JACK_DEFAULT_MIDI_TYPE,
JackPortIsOutput, 0);
*/
m_input_port = jack_port_register(
jackClient(), "MIDI in", JACK_DEFAULT_MIDI_TYPE,
JackPortIsInput, 0);
if(jack_activate(jackClient()) == 0 )
{
// only start thread, if we have an active jack client.
start( QThread::LowPriority );
}
}
}
static int
_jack_init(prog_t *handle, const char *id)
{
jack_options_t opts = JackNullOption | JackNoStartServer;
if(handle->server_name)
opts |= JackServerName;
if(handle->session_id)
opts |= JackSessionID;
jack_status_t status;
if(!(handle->client = jack_client_open(id, opts, &status,
handle->server_name ? handle->server_name : handle->session_id,
handle->server_name ? handle->session_id : NULL)))
{
return -1;
}
//TODO check status
// set client pretty name
#if defined(JACK_HAS_METADATA_API)
jack_uuid_t uuid;
const char *client_name = jack_get_client_name(handle->client);
const char *uuid_str = jack_get_uuid_for_client_name(handle->client, client_name);
if(uuid_str)
jack_uuid_parse(uuid_str, &uuid);
else
jack_uuid_clear(&uuid);
if(!jack_uuid_empty(uuid))
{
jack_set_property(handle->client, uuid,
JACK_METADATA_PRETTY_NAME, "Synthpod", "text/plain");
}
#endif
// set client process callback
if(jack_set_process_callback(handle->client, _process, handle))
return -1;
if(jack_set_session_callback(handle->client, _session, handle))
return -1;
if(jack_set_sample_rate_callback(handle->client, _sample_rate, handle))
return -1;
if(jack_set_buffer_size_callback(handle->client, _buffer_size, handle))
return -1;
jack_on_shutdown(handle->client, _shutdown, handle);
jack_set_xrun_callback(handle->client, _xrun, handle);
return 0;
}