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;
}
void gojack_generic_callback_sync_destroy(struct gojack_generic_callback_sync *sync) {
jack_set_freewheel_callback(sync->client, NULL, NULL);
jack_set_buffer_size_callback(sync->client, NULL, NULL);
jack_set_sample_rate_callback(sync->client, NULL, NULL);
jack_set_client_registration_callback(sync->client, NULL, NULL);
jack_set_port_registration_callback(sync->client, NULL, NULL);
jack_set_port_connect_callback(sync->client, NULL, NULL);
jack_set_port_rename_callback(sync->client, NULL, NULL);
jack_set_graph_order_callback(sync->client, NULL, NULL);
jack_set_xrun_callback(sync->client, NULL, NULL);
jack_set_latency_callback(sync->client, NULL, NULL);
cgo_callback_sync_destroy(sync->base);
pthread_mutex_destroy(&sync->lock);
free(sync);
}
struct gojack_generic_callback_sync * gojack_generic_callback_sync_create(jack_client_t *client) {
struct gojack_generic_callback_sync *sync = (struct gojack_generic_callback_sync *) malloc(sizeof(struct gojack_generic_callback_sync));
void *arg = (void *) sync;
sync->base = cgo_callback_sync_create();
cgo_callback_sync_set_log_callback(sync->base, &handle_log, NULL);
pthread_mutex_init(&sync->lock, NULL);
sync->client = client;
jack_set_freewheel_callback(client, &handle_freewheel, arg);
jack_set_buffer_size_callback(client, &handle_buffer_size, arg);
//jack_set_sample_rate_callback(client, &handle_sample_rate, arg);
jack_set_client_registration_callback(client, &handle_client_registration, arg);
jack_set_port_registration_callback(client, &handle_port_registration, arg);
jack_set_port_connect_callback(client, &handle_port_connect, arg);
jack_set_port_rename_callback(client, &handle_port_rename, arg);
jack_set_graph_order_callback(client, &handle_graph_order, arg);
jack_set_xrun_callback(client, &handle_xrun, arg);
//jack_set_latency_callback(client, &handle_latency, arg);
return sync;
}
int
main (int argc, char *argv[])
{
/* Some startup related basics */
char *client_name, *server_name = NULL, *peer_ip;
int peer_port = 3000;
jack_options_t options = JackNullOption;
jack_status_t status;
#ifdef WIN32
WSADATA wsa;
int rc = WSAStartup(MAKEWORD(2, 0), &wsa);
#endif
/* Torben's famous state variables, aka "the reporting API" ! */
/* heh ? these are only the copies of them ;) */
int statecopy_connected, statecopy_latency, statecopy_netxruns;
jack_nframes_t net_period;
/* Argument parsing stuff */
extern char *optarg;
extern int optind, optopt;
int errflg = 0, c;
if (argc < 3) {
printUsage ();
return 1;
}
client_name = (char *) malloc (sizeof (char) * 10);
peer_ip = (char *) malloc (sizeof (char) * 10);
sprintf(client_name, "netjack");
sprintf(peer_ip, "localhost");
while ((c = getopt (argc, argv, ":h:H:o:i:O:I:n:p:r:B:b:c:m:R:e:N:s:P:")) != -1) {
switch (c) {
case 'h':
printUsage();
exit (0);
break;
case 'H':
free(peer_ip);
peer_ip = (char *) malloc (sizeof (char) * strlen (optarg) + 1);
strcpy (peer_ip, optarg);
break;
case 'o':
playback_channels_audio = atoi (optarg);
break;
case 'i':
capture_channels_audio = atoi (optarg);
break;
case 'O':
playback_channels_midi = atoi (optarg);
break;
case 'I':
capture_channels_midi = atoi (optarg);
break;
case 'n':
latency = atoi (optarg);
break;
case 'p':
peer_port = atoi (optarg);
break;
case 'r':
reply_port = atoi (optarg);
break;
case 'B':
bind_port = atoi (optarg);
break;
case 'f':
factor = atoi (optarg);
printf("This feature is deprecated and will be removed in future netjack versions. CELT offers a superiour way to conserve bandwidth");
break;
case 'b':
bitdepth = atoi (optarg);
break;
case 'c':
#if HAVE_CELT
bitdepth = 1000;
factor = atoi (optarg);
#else
printf( "not built with celt support\n" );
exit(10);
#endif
break;
case 'P':
#if HAVE_OPUS
bitdepth = 999;
factor = atoi (optarg);
#else
printf( "not built with opus support\n" );
exit(10);
#endif
break;
case 'm':
mtu = atoi (optarg);
break;
case 'R':
redundancy = atoi (optarg);
break;
case 'e':
dont_htonl_floats = 1;
break;
case 'N':
free(client_name);
client_name = (char *) malloc (sizeof (char) * strlen (optarg) + 1);
strcpy (client_name, optarg);
break;
case 's':
server_name = (char *) malloc (sizeof (char) * strlen (optarg) + 1);
strcpy (server_name, optarg);
options |= JackServerName;
break;
case ':':
fprintf (stderr, "Option -%c requires an operand\n", optopt);
errflg++;
break;
case '?':
fprintf (stderr, "Unrecognized option: -%c\n", optopt);
errflg++;
}
}
if (errflg) {
printUsage ();
exit (2);
}
capture_channels = capture_channels_audio + capture_channels_midi;
playback_channels = playback_channels_audio + playback_channels_midi;
outsockfd = socket (AF_INET, SOCK_DGRAM, 0);
insockfd = socket (AF_INET, SOCK_DGRAM, 0);
if ((outsockfd == -1) || (insockfd == -1)) {
fprintf (stderr, "cant open sockets\n" );
return 1;
}
init_sockaddr_in ((struct sockaddr_in *) &destaddr, peer_ip, peer_port);
if (bind_port) {
init_sockaddr_in ((struct sockaddr_in *) &bindaddr, NULL, bind_port);
if( bind (outsockfd, &bindaddr, sizeof (bindaddr)) ) {
fprintf (stderr, "bind failure\n" );
}
}
if (reply_port) {
init_sockaddr_in ((struct sockaddr_in *) &bindaddr, NULL, reply_port);
if( bind (insockfd, &bindaddr, sizeof (bindaddr)) ) {
fprintf (stderr, "bind failure\n" );
}
}
/* try to become a client of the JACK server */
client = jack_client_open (client_name, options, &status, server_name);
if (client == NULL) {
fprintf (stderr, "jack_client_open() failed, status = 0x%2.0x\n"
"Is the JACK server running ?\n", status);
return 1;
}
/* Set up jack callbacks */
jack_set_process_callback (client, process, 0);
jack_set_sync_callback (client, sync_cb, 0);
jack_set_freewheel_callback (client, freewheel_cb, 0);
jack_on_shutdown (client, jack_shutdown, 0);
alloc_ports (capture_channels_audio, playback_channels_audio, capture_channels_midi, playback_channels_midi);
if( bitdepth == 1000 || bitdepth == 999)
net_period = (factor * jack_get_buffer_size(client) * 1024 / jack_get_sample_rate(client) / 8) & (~1) ;
else
net_period = ceilf((float) jack_get_buffer_size (client) / (float) factor);
int rx_bufsize = get_sample_size (bitdepth) * capture_channels * net_period + sizeof (jacknet_packet_header);
packcache = packet_cache_new (latency + 50, rx_bufsize, mtu);
/* tell the JACK server that we are ready to roll */
if (jack_activate (client)) {
fprintf (stderr, "Cannot activate client");
return 1;
}
/* Now sleep forever... and evaluate the state_ vars */
signal( SIGTERM, sigterm_handler );
signal( SIGINT, sigterm_handler );
statecopy_connected = 2; // make it report unconnected on start.
statecopy_latency = state_latency;
statecopy_netxruns = state_netxruns;
while ( !quit ) {
#ifdef WIN32
Sleep (1000);
#else
sleep(1);
#endif
if (statecopy_connected != state_connected) {
statecopy_connected = state_connected;
if (statecopy_connected) {
state_netxruns = 1; // We want to reset the netxrun count on each new connection
printf ("Connected :-)\n");
} else
printf ("Not Connected\n");
fflush(stdout);
}
if (statecopy_connected) {
if (statecopy_netxruns != state_netxruns) {
statecopy_netxruns = state_netxruns;
printf ("%s: at frame %06d -> total netxruns %d (%d%%) queue time= %d\n",
client_name,
state_currentframe,
statecopy_netxruns,
100 * statecopy_netxruns / state_currentframe,
state_recv_packet_queue_time);
fflush(stdout);
}
} else {
if (statecopy_latency != state_latency) {
statecopy_latency = state_latency;
if (statecopy_latency > 1)
printf ("current latency %d\n", statecopy_latency);
fflush(stdout);
}
}
}
jack_client_close (client);
packet_cache_free (packcache);
exit (0);
}
int main (int argc, char *argv[]) {
char jack_name[30] = "alsa_out";
char alsa_device[30] = "hw:0";
extern char *optarg;
extern int optind, optopt;
int errflg=0;
int c;
while ((c = getopt(argc, argv, "ivj:r:c:p:n:d:q:m:t:f:F:C:Q:s:")) != -1) {
switch(c) {
case 'j':
strcpy(jack_name,optarg);
break;
case 'r':
sample_rate = atoi(optarg);
break;
case 'c':
num_channels = atoi(optarg);
break;
case 'p':
period_size = atoi(optarg);
break;
case 'n':
num_periods = atoi(optarg);
break;
case 'd':
strcpy(alsa_device,optarg);
break;
case 't':
target_delay = atoi(optarg);
break;
case 'q':
samplerate_quality = atoi(optarg);
break;
case 'm':
max_diff = atoi(optarg);
break;
case 'f':
catch_factor = atoi(optarg);
break;
case 'F':
catch_factor2 = atoi(optarg);
break;
case 'C':
pclamp = (double) atoi(optarg);
break;
case 'Q':
controlquant = (double) atoi(optarg);
break;
case 'v':
verbose = 1;
break;
case 'i':
instrument = 1;
break;
case 's':
smooth_size = atoi(optarg);
break;
case ':':
fprintf(stderr,
"Option -%c requires an operand\n", optopt);
errflg++;
break;
case '?':
fprintf(stderr,
"Unrecognized option: -%c\n", optopt);
errflg++;
}
}
if (errflg) {
printUsage();
exit(2);
}
if( (samplerate_quality < 0) || (samplerate_quality > 4) ) {
fprintf (stderr, "invalid samplerate quality\n");
return 1;
}
if ((client = jack_client_open (jack_name, 0, NULL)) == 0) {
fprintf (stderr, "jack server not running?\n");
return 1;
}
/* tell the JACK server to call `process()' whenever
there is work to be done.
*/
jack_set_process_callback (client, process, 0);
/* tell the JACK server to call `freewheel()' whenever
freewheel mode changes.
*/
jack_set_freewheel_callback (client, freewheel, 0);
/* 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);
if (jack_set_latency_callback)
jack_set_latency_callback (client, latency_cb, 0);
// get jack sample_rate
jack_sample_rate = jack_get_sample_rate( client );
if( !sample_rate )
sample_rate = jack_sample_rate;
static_resample_factor = (double) sample_rate / (double) jack_sample_rate;
resample_lower_limit = static_resample_factor * 0.25;
resample_upper_limit = static_resample_factor * 4.0;
resample_mean = static_resample_factor;
offset_array = malloc( sizeof(double) * smooth_size );
if( offset_array == NULL ) {
fprintf( stderr, "no memory for offset_array !!!\n" );
exit(20);
}
window_array = malloc( sizeof(double) * smooth_size );
if( window_array == NULL ) {
fprintf( stderr, "no memory for window_array !!!\n" );
exit(20);
}
int i;
for( i=0; i<smooth_size; i++ ) {
offset_array[i] = 0.0;
window_array[i] = hann( (double) i / ((double) smooth_size - 1.0) );
}
jack_buffer_size = jack_get_buffer_size( client );
// Setup target delay and max_diff for the normal user, who does not play with them...
if( !target_delay )
target_delay = (num_periods*period_size / 2) - jack_buffer_size/2;
if( !max_diff )
max_diff = target_delay;
if( max_diff > target_delay ) {
fprintf( stderr, "target_delay (%d) cant be smaller than max_diff(%d)\n", target_delay, max_diff );
exit(20);
}
if( (target_delay+max_diff) > (num_periods*period_size) ) {
fprintf( stderr, "target_delay+max_diff (%d) cant be bigger than buffersize(%d)\n", target_delay+max_diff, num_periods*period_size );
exit(20);
}
// now open the alsa fd...
alsa_handle = open_audiofd( alsa_device, 0, sample_rate, num_channels, period_size, num_periods);
if( alsa_handle == 0 )
exit(20);
printf( "selected sample format: %s\n", formats[format].name );
// alloc input ports, which are blasted out to alsa...
alloc_ports( 0, num_channels );
outbuf = malloc( num_periods * period_size * formats[format].sample_size * num_channels );
resampbuf = malloc( num_periods * period_size * sizeof( float ) );
tmpbuf = malloc( 512 * formats[format].sample_size * num_channels );
if ((outbuf == NULL) || (resampbuf == NULL) || (tmpbuf == NULL))
{
fprintf( stderr, "no memory for buffers.\n" );
exit(20);
}
/* tell the JACK server that we are ready to roll */
if (jack_activate (client)) {
fprintf (stderr, "cannot activate client");
return 1;
}
signal( SIGTERM, sigterm_handler );
signal( SIGINT, sigterm_handler );
if( verbose ) {
while(!quit) {
usleep(500000);
if( output_new_delay ) {
printf( "delay = %d\n", output_new_delay );
output_new_delay = 0;
}
printf( "res: %f, \tdiff = %f, \toffset = %f \n", output_resampling_factor, output_diff, output_offset );
}
} else if( instrument ) {
printf( "# n\tresamp\tdiff\toffseti\tintegral\n");
int n=0;
while(!quit) {
usleep(1000);
printf( "%d\t%f\t%f\t%f\t%f\n", n++, output_resampling_factor, output_diff, output_offset, output_integral );
}
} else {
while(!quit)
{
usleep(500000);
if( output_new_delay ) {
printf( "delay = %d\n", output_new_delay );
output_new_delay = 0;
}
}
}
jack_deactivate( client );
jack_client_close (client);
exit (0);
}
static void openJackStreams(RtJackGlobals *p)
{
char buf[256];
int i, j, k;
CSOUND *csound = p->csound;
/* connect to JACK server */
p->client = jack_client_open(&(p->clientName[0]), JackNoStartServer, NULL);
if (UNLIKELY(p->client == NULL))
rtJack_Error(csound, -1, Str("could not connect to JACK server"));
csound->system_sr(csound, jack_get_sample_rate(p->client));
csound->Message(csound, "system sr: %f\n", csound->system_sr(csound,0));
/* check consistency of parameters */
if (UNLIKELY(p->nChannels < 1 || p->nChannels > 255))
rtJack_Error(csound, -1, Str("invalid number of channels"));
if (UNLIKELY(p->sampleRate < 1000 || p->sampleRate > 768000))
rtJack_Error(csound, -1, Str("invalid sample rate"));
if (UNLIKELY(p->sampleRate != (int) jack_get_sample_rate(p->client))) {
snprintf(&(buf[0]), 256, Str("sample rate %d does not match "
"JACK sample rate %d"),
p->sampleRate, (int) jack_get_sample_rate(p->client));
rtJack_Error(p->csound, -1, &(buf[0]));
}
if (UNLIKELY(p->bufSize < 8 || p->bufSize > 32768))
rtJack_Error(csound, -1, Str("invalid period size (-b)"));
if (p->nBuffers < 2)
p->nBuffers = 2;
if (UNLIKELY((unsigned int) (p->nBuffers * p->bufSize) > (unsigned int) 65536))
rtJack_Error(csound, -1, Str("invalid buffer size (-B)"));
if (UNLIKELY(((p->nBuffers - 1) * p->bufSize)
< (int) jack_get_buffer_size(p->client)))
rtJack_Error(csound, -1, Str("buffer size (-B) is too small"));
/* register ports */
rtJack_RegisterPorts(p);
/* allocate ring buffers if not done yet */
if (p->bufs == NULL)
rtJack_AllocateBuffers(p);
/* initialise ring buffers */
p->csndBufCnt = 0;
p->csndBufPos = 0;
p->jackBufCnt = 0;
p->jackBufPos = 0;
for (i = 0; i < p->nBuffers; i++) {
rtJack_TryLock(p->csound, &(p->bufs[i]->csndLock));
rtJack_Unlock(p->csound, &(p->bufs[i]->jackLock));
for (j = 0; j < p->nChannels; j++) {
if (p->inputEnabled) {
for (k = 0; k < p->bufSize; k++)
p->bufs[i]->inBufs[j][k] = (jack_default_audio_sample_t) 0;
}
if (p->outputEnabled) {
for (k = 0; k < p->bufSize; k++)
p->bufs[i]->outBufs[j][k] = (jack_default_audio_sample_t) 0;
}
}
}
/* output port buffer pointer cache is invalid initially */
if (p->outputEnabled)
p->outPortBufs[0] = (jack_default_audio_sample_t*) NULL;
/* register callback functions */
if (UNLIKELY(jack_set_sample_rate_callback(p->client,
sampleRateCallback, (void*) p)
!= 0))
rtJack_Error(csound, -1, Str("error setting sample rate callback"));
if (UNLIKELY(jack_set_buffer_size_callback(p->client,
bufferSizeCallback, (void*) p)
!= 0))
rtJack_Error(csound, -1, Str("error setting buffer size callback"));
#ifdef LINUX
if (UNLIKELY(jack_set_freewheel_callback(p->client,
freeWheelCallback, (void*) p)
!= 0))
rtJack_Error(csound, -1, Str("error setting freewheel callback"));
#endif
if (UNLIKELY(jack_set_xrun_callback(p->client, xrunCallback, (void*) p) != 0))
rtJack_Error(csound, -1, Str("error setting xrun callback"));
jack_on_shutdown(p->client, shutDownCallback, (void*) p);
if (UNLIKELY(jack_set_process_callback(p->client,
processCallback, (void*) p) != 0))
rtJack_Error(csound, -1, Str("error setting process callback"));
/* activate client */
if (UNLIKELY(jack_activate(p->client) != 0))
rtJack_Error(csound, -1, Str("error activating JACK client"));
/* connect ports if requested */
if (p->inputEnabled) {
char dev[128], *dev_final, *sp;
{
int i,n = listDevices(csound,NULL,0);
CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
malloc(n*sizeof(CS_AUDIODEVICE));
listDevices(csound,devs,0);
for(i=0; i < n; i++)
csound->Message(csound, " %d: %s (%s)\n",
i, devs[i].device_id, devs[i].device_name);
strncpy(dev, devs[0].device_name, 128);
free(devs);
}
if(p->inDevName != NULL) {
strncpy(dev, p->inDevName, 128); dev[127]='\0';
}
//if (dev) {
dev_final = dev;
sp = strchr(dev_final, '\0');
if (!isalpha(dev_final[0])) dev_final++;
for (i = 0; i < p->nChannels; i++) {
snprintf(sp, 128-(dev-sp), "%d", i + 1);
if (UNLIKELY(jack_connect(p->client, dev_final,
jack_port_name(p->inPorts[i])) != 0)) {
//rtJack_Error(csound, -1, Str("error connecting input ports"));
csound->Warning(csound,
Str("not autoconnecting input channel %d \n"
"(needs manual connection)"), i+1);
}
}
*sp = (char) 0;
//}
}
if (p->outputEnabled) {
char dev[128], *dev_final, *sp;
{
int i,n = listDevices(csound,NULL,1);
CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
malloc(n*sizeof(CS_AUDIODEVICE));
listDevices(csound,devs,1);
for(i=0; i < n; i++)
csound->Message(csound, " %d: %s (%s)\n",
i, devs[i].device_id, devs[i].device_name);
strncpy(dev, devs[0].device_name, 128);
free(devs);
}
if (p->outDevName != NULL) {
strncpy(dev, p->outDevName, 128); dev[127]='\0';
}
//if (dev) { this test is rubbish
dev_final = dev;
sp = strchr(dev_final, '\0');
if(!isalpha(dev_final[0])) dev_final++;
for (i = 0; i < p->nChannels; i++) {
snprintf(sp, 128-(dev-sp), "%d", i + 1);
if (jack_connect(p->client, jack_port_name(p->outPorts[i]),
dev_final) != 0) {
//rtJack_Error(csound, -1, Str("error connecting output ports"));
csound->Warning(csound, Str("not autoconnecting input channel %d \n"
"(needs manual connection)"), i+1);
}
}
*sp = (char) 0;
}
/* stream is now active */
p->jackState = 0;
}
