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;
}
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;
}
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);
}
int
main (int argc, char *argv[])
{
jack_client_t *client;
jack_options_t options = JackNullOption;
jack_status_t status;
if ((client = jack_client_open ("event-monitor", options, &status, NULL)) == 0) {
fprintf (stderr, "jack_client_open() failed, "
"status = 0x%2.0x\n", status);
if (status & JackServerFailed) {
fprintf (stderr, "Unable to connect to JACK server\n");
}
return 1;
}
if (jack_set_port_registration_callback (client, port_callback, NULL)) {
fprintf (stderr, "cannot set port registration callback\n");
return 1;
}
if (jack_set_port_connect_callback (client, connect_callback, NULL)) {
fprintf (stderr, "cannot set port connect callback\n");
return 1;
}
if (jack_set_client_registration_callback (client, client_callback, NULL)) {
fprintf (stderr, "cannot set client registration callback\n");
return 1;
}
if (jack_set_graph_order_callback (client, graph_callback, NULL)) {
fprintf (stderr, "cannot set graph order registration callback\n");
return 1;
}
if (jack_set_property_change_callback (client, (JackPropertyChangeCallback) propchange, 0)) {
fprintf (stderr, "cannot set property change callback\n");
return 1;
}
if (jack_activate (client)) {
fprintf (stderr, "cannot activate client");
return 1;
}
sleep (-1);
exit (0);
}
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[])
{
// Make output unbuffered
setbuf(stdout, NULL);
setbuf(stderr, NULL);
if (argc >= 2 &&
( strcmp(argv[1],"-h")==0 || strcmp(argv[1],"--help")==0))
{
printf("send jack events as OSC message\n\n");
printf("syntax: jack_oscev <osc local port> <osc remote host> <osc remote port>\n\n");
printf("all params are optional. order matters.\n");
printf("default values: 6677 127.0.0.1 6678\n");
printf("example: jack_oscev 9988 10.10.10.42\n");
printf("test on .42: oscdump 6678\n\n");
printf("messages sent by jack_oscev (example content):\n");
printf(" /oscev/started\n");
printf(" /oscev/client/registered s \"meter\"\n");
printf(" /oscev/port/registered i 24\n");
printf(" /oscev/port/connected ii 2 24\n");
printf(" /oscev/port/disconnected ii 2 24\n");
printf(" /oscev/port/unregistered i 24\n");
printf(" /oscev/client/unregistered s \"meter\"\n\n");
//printf("");
printf("jack_oscev source at https://github.com/7890/jack_tools\n\n");
return(0);
}
//remote port
if (argc >= 4)
{
osc_send_to_port=argv[3];
}
if (argc >= 3)
{
osc_send_to_host=argv[2];
}
//local port
if (argc >= 2)
{
osc_my_server_port=argv[1];
}
//init osc
st = lo_server_thread_new(osc_my_server_port, error);
loa = lo_address_new(osc_send_to_host, osc_send_to_port);
lo_server_thread_start(st);
lo_message reply=lo_message_new();
lo_send_message (loa, "/oscev/started", reply);
lo_message_free (reply);
jack_options_t options = JackNullOption;
jack_status_t status;
if ((client = jack_client_open ("oscev", options, &status, NULL)) == 0) {
fprintf (stderr, "jack_client_open() failed, "
"status = 0x%2.0x\n", status);
if (status & JackServerFailed) {
fprintf (stderr, "Unable to connect to JACK server\n");
}
return 1;
}
if (jack_set_port_registration_callback (client, port_callback, NULL)) {
fprintf (stderr, "cannot set port registration callback\n");
return 1;
}
if (jack_set_port_connect_callback (client, connect_callback, NULL)) {
fprintf (stderr, "cannot set port connect callback\n");
return 1;
}
if (jack_set_client_registration_callback (client, client_callback, NULL)) {
fprintf (stderr, "cannot set client registration callback\n");
return 1;
}
/*
//don't register for now
if (jack_set_graph_order_callback (client, graph_callback, NULL)) {
fprintf (stderr, "cannot set graph order registration callback\n");
return 1;
}
*/
if (jack_activate (client)) {
fprintf (stderr, "cannot activate client");
return 1;
}
#ifndef WIN32
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGHUP, signal_handler);
#endif
signal(SIGABRT, signal_handler);
signal(SIGTERM, signal_handler);
#ifdef WIN32
Sleep(INFINITE);
#else
sleep (-1);
#endif
exit (0);
}
void JACKInput::Init() {
m_message_queue.Reset(RING_BUFFER_SIZE * m_channels * sizeof(float));
m_jack_client = jack_client_open("SimpleScreenRecorder", JackNoStartServer, NULL);
if(m_jack_client == NULL) {
Logger::LogError("[JACKInput::Init] " + Logger::tr("Error: Could not connect to JACK!"));
throw JACKException();
}
m_jack_ports.resize(m_channels, NULL);
for(unsigned int i = 0; i < m_channels; ++i) {
std::string port_name = "in_" + NumToString(i + 1);
m_jack_ports[i] = jack_port_register(m_jack_client, port_name.c_str(), JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
if(m_jack_ports[i] == NULL) {
Logger::LogError("[JACKInput::Init] " + Logger::tr("Error: Could not create JACK port!"));
throw JACKException();
}
}
if(jack_set_process_callback(m_jack_client, ProcessCallback, this) != 0) {
Logger::LogError("[JACKInput::Init] " + Logger::tr("Error: Could not set JACK process callback!"));
throw JACKException();
}
if(jack_set_sample_rate_callback(m_jack_client, SampleRateCallback, this) != 0) {
Logger::LogError("[JACKInput::Init] " + Logger::tr("Error: Could not set JACK sample rate callback!"));
throw JACKException();
}
if(jack_set_xrun_callback(m_jack_client, XRunCallback, this) != 0) {
Logger::LogError("[JACKInput::Init] " + Logger::tr("Error: Could not set JACK xrun callback!"));
throw JACKException();
}
if(jack_set_port_connect_callback(m_jack_client, PortConnectCallback, this) != 0) {
Logger::LogError("[JACKInput::Init] " + Logger::tr("Error: Could not set JACK port connect callback!"));
throw JACKException();
}
if(jack_activate(m_jack_client) != 0) {
Logger::LogError("[JACKInput::Init] " + Logger::tr("Error: Could not activate JACK client!"));
throw JACKException();
}
for(unsigned int i = 0; i < m_channels; ++i) {
std::string port_name_full = std::string(jack_get_client_name(m_jack_client)) + ":in_" + NumToString(i + 1);
if(m_connect_system_capture) {
std::string capture_name = "system:capture_" + NumToString(i + 1);
Logger::LogInfo("[JACKInput::Init] " + Logger::tr("Connecting port %1 to %2.")
.arg(QString::fromStdString(capture_name)).arg(QString::fromStdString(port_name_full)));
jack_connect(m_jack_client, capture_name.c_str(), port_name_full.c_str());
}
if(m_connect_system_playback) {
std::string playback_name = "system:playback_" + NumToString(i + 1);
jack_port_t *port = jack_port_by_name(m_jack_client, playback_name.c_str());
if(port != NULL) {
const char **connected_ports = jack_port_get_all_connections(m_jack_client, port);
if(connected_ports != NULL) {
for(const char **p = connected_ports; *p != NULL; ++p) {
Logger::LogInfo("[JACKInput::Init] " + Logger::tr("Connecting port %1 to %2.")
.arg(*p).arg(QString::fromStdString(port_name_full)));
jack_connect(m_jack_client, *p, port_name_full.c_str());
}
jack_free(connected_ports);
}
}
}
}
// start input thread
m_should_stop = false;
m_error_occurred = false;
m_thread = std::thread(&JACKInput::InputThread, this);
}
/*
JackProxyDriver is wrapped in a JackWaitCallbackDriver decorator that behaves
as a "dummy driver, until Initialize method returns.
*/
bool JackProxyDriver::Initialize()
{
jack_log("JackProxyDriver::Initialize");
// save existing local connections if needed
if (fAutoSave) {
SaveConnections(0);
}
// new loading, but existing client, restart the driver
if (fClient) {
jack_info("JackProxyDriver restarting...");
jack_client_close(fClient);
}
FreePorts();
// display some additional infos
jack_info("JackProxyDriver started in %s mode.",
(fEngineControl->fSyncMode) ? "sync" : "async");
do {
jack_status_t status;
char *old = NULL;
if (fPromiscuous) {
// as we are fiddling with the environment variable content, save it
const char* tmp = getenv("JACK_PROMISCUOUS_SERVER");
if (tmp) {
old = strdup(tmp);
}
// temporary enable promiscuous mode
if (setenv("JACK_PROMISCUOUS_SERVER", fPromiscuous, 1) < 0) {
free(old);
jack_error("Error allocating memory.");
return false;
}
}
jack_info("JackProxyDriver connecting to %s", fUpstream);
fClient = jack_client_open(fClientName, static_cast<jack_options_t>(JackNoStartServer|JackServerName), &status, fUpstream);
if (fPromiscuous) {
// restore previous environment variable content
if (old) {
if (setenv("JACK_PROMISCUOUS_SERVER", old, 1) < 0) {
free(old);
jack_error("Error allocating memory.");
return false;
}
free(old);
} else {
unsetenv("JACK_PROMISCUOUS_SERVER");
}
}
// the connection failed, try again later
if (!fClient) {
JackSleep(1000000);
}
} while (!fClient);
jack_info("JackProxyDriver connected to %s", fUpstream);
// we are connected, let's register some callbacks
jack_on_shutdown(fClient, shutdown_callback, this);
if (jack_set_process_callback(fClient, process_callback, this) != 0) {
jack_error("Cannot set process callback.");
return false;
}
if (jack_set_buffer_size_callback(fClient, bufsize_callback, this) != 0) {
jack_error("Cannot set buffer size callback.");
return false;
}
if (jack_set_sample_rate_callback(fClient, srate_callback, this) != 0) {
jack_error("Cannot set sample rate callback.");
return false;
}
if (jack_set_port_connect_callback(fClient, connect_callback, this) != 0) {
jack_error("Cannot set port connect callback.");
return false;
}
// detect upstream physical playback ports if needed
if (fDetectPlaybackChannels) {
fPlaybackChannels = CountIO(JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical | JackPortIsOutput);
}
// detect upstream physical capture ports if needed
if (fDetectCaptureChannels) {
fCaptureChannels = CountIO(JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical | JackPortIsInput);
}
if (AllocPorts() != 0) {
jack_error("Can't allocate ports.");
return false;
}
bufsize_callback(jack_get_buffer_size(fClient));
srate_callback(jack_get_sample_rate(fClient));
// restore local connections if needed
if (fAutoSave) {
LoadConnections(0);
}
// everything is ready, start upstream processing
if (jack_activate(fClient) != 0) {
jack_error("Cannot activate jack client.");
return false;
}
// connect upstream ports if needed
if (fAutoConnect) {
ConnectPorts();
}
return true;
}
int
main(int argc, char **argv)
{
int jitter_plot[101];
int latency_plot[101];
int long_index = 0;
struct option long_options[] = {
{"help", 0, NULL, 'h'},
{"message-size", 1, NULL, 'm'},
{"samples", 1, NULL, 's'},
{"timeout", 1, NULL, 't'}
};
size_t name_arg_count;
size_t name_size;
char *option_string = "hm:s:t:";
int show_usage = 0;
connections_established = 0;
error_message = NULL;
message_size = 3;
program_name = argv[0];
remote_in_port = 0;
remote_out_port = 0;
samples = 1024;
timeout = 5;
for (;;) {
signed char c = getopt_long(argc, argv, option_string, long_options,
&long_index);
switch (c) {
case 'h':
show_usage = 1;
break;
case 'm':
message_size = parse_positive_number_arg(optarg, "message-size");
break;
case 's':
samples = parse_positive_number_arg(optarg, "samples");
break;
case 't':
timeout = parse_positive_number_arg(optarg, "timeout");
break;
default:
{
char *s = "'- '";
s[2] = c;
die(s, "invalid switch");
}
case -1:
if (show_usage) {
output_usage();
exit(EXIT_SUCCESS);
}
goto parse_port_names;
case 1:
/* end of switch :) */
;
}
}
parse_port_names:
name_arg_count = argc - optind;
switch (name_arg_count) {
case 2:
target_in_port_name = argv[optind + 1];
target_out_port_name = argv[optind];
break;
case 0:
target_in_port_name = 0;
target_out_port_name = 0;
break;
default:
output_usage();
return EXIT_FAILURE;
}
name_size = jack_port_name_size();
alias1 = malloc(name_size * sizeof(char));
if (alias1 == NULL) {
error_message = strerror(errno);
error_source = "malloc";
goto show_error;
}
alias2 = malloc(name_size * sizeof(char));
if (alias2 == NULL) {
error_message = strerror(errno);
error_source = "malloc";
goto free_alias1;
}
latency_values = malloc(sizeof(jack_nframes_t) * samples);
if (latency_values == NULL) {
error_message = strerror(errno);
error_source = "malloc";
goto free_alias2;
}
latency_time_values = malloc(sizeof(jack_time_t) * samples);
if (latency_time_values == NULL) {
error_message = strerror(errno);
error_source = "malloc";
goto free_latency_values;
}
message_1 = malloc(message_size * sizeof(jack_midi_data_t));
if (message_1 == NULL) {
error_message = strerror(errno);
error_source = "malloc";
goto free_latency_time_values;
}
message_2 = malloc(message_size * sizeof(jack_midi_data_t));
if (message_2 == NULL) {
error_message = strerror(errno);
error_source = "malloc";
goto free_message_1;
}
switch (message_size) {
case 1:
message_1[0] = 0xf6;
message_2[0] = 0xfe;
break;
case 2:
message_1[0] = 0xc0;
message_1[1] = 0x00;
message_2[0] = 0xd0;
message_2[1] = 0x7f;
break;
case 3:
message_1[0] = 0x80;
message_1[1] = 0x00;
message_1[2] = 0x00;
message_2[0] = 0x90;
message_2[1] = 0x7f;
message_2[2] = 0x7f;
break;
default:
message_1[0] = 0xf0;
memset(message_1 + 1, 0,
(message_size - 2) * sizeof(jack_midi_data_t));
message_1[message_size - 1] = 0xf7;
message_2[0] = 0xf0;
memset(message_2 + 1, 0x7f,
(message_size - 2) * sizeof(jack_midi_data_t));
message_2[message_size - 1] = 0xf7;
}
client = jack_client_open(program_name, JackNullOption, NULL);
if (client == NULL) {
error_message = "failed to open JACK client";
error_source = "jack_client_open";
goto free_message_2;
}
in_port = jack_port_register(client, "in", JACK_DEFAULT_MIDI_TYPE,
JackPortIsInput, 0);
if (in_port == NULL) {
error_message = "failed to register MIDI-in port";
error_source = "jack_port_register";
goto close_client;
}
out_port = jack_port_register(client, "out", JACK_DEFAULT_MIDI_TYPE,
JackPortIsOutput, 0);
if (out_port == NULL) {
error_message = "failed to register MIDI-out port";
error_source = "jack_port_register";
goto unregister_in_port;
}
if (jack_set_process_callback(client, handle_process, NULL)) {
error_message = "failed to set process callback";
error_source = "jack_set_process_callback";
goto unregister_out_port;
}
if (jack_set_xrun_callback(client, handle_xrun, NULL)) {
error_message = "failed to set xrun callback";
error_source = "jack_set_xrun_callback";
goto unregister_out_port;
}
if (jack_set_port_connect_callback(client, handle_port_connection_change,
NULL)) {
error_message = "failed to set port connection callback";
error_source = "jack_set_port_connect_callback";
goto unregister_out_port;
}
jack_on_shutdown(client, handle_shutdown, NULL);
jack_set_info_function(handle_info);
process_state = 0;
connect_semaphore = create_semaphore(0);
if (connect_semaphore == NULL) {
error_message = get_semaphore_error();
error_source = "create_semaphore";
goto unregister_out_port;
}
init_semaphore = create_semaphore(1);
if (init_semaphore == NULL) {
error_message = get_semaphore_error();
error_source = "create_semaphore";
goto destroy_connect_semaphore;;
}
process_semaphore = create_semaphore(2);
if (process_semaphore == NULL) {
error_message = get_semaphore_error();
error_source = "create_semaphore";
goto destroy_init_semaphore;
}
if (jack_activate(client)) {
error_message = "could not activate client";
error_source = "jack_activate";
goto destroy_process_semaphore;
}
if (name_arg_count) {
if (jack_connect(client, jack_port_name(out_port),
target_out_port_name)) {
error_message = "could not connect MIDI out port";
error_source = "jack_connect";
goto deactivate_client;
}
if (jack_connect(client, target_in_port_name,
jack_port_name(in_port))) {
error_message = "could not connect MIDI in port";
error_source = "jack_connect";
goto deactivate_client;
}
}
if (! register_signal_handler(handle_signal)) {
error_message = strerror(errno);
error_source = "register_signal_handler";
goto deactivate_client;
}
printf("Waiting for connections ...\n");
if (wait_semaphore(connect_semaphore, 1) == -1) {
error_message = get_semaphore_error();
error_source = "wait_semaphore";
goto deactivate_client;
}
if (connections_established) {
printf("Waiting for test completion ...\n\n");
if (wait_semaphore(process_semaphore, 1) == -1) {
error_message = get_semaphore_error();
error_source = "wait_semaphore";
goto deactivate_client;
}
}
if (! register_signal_handler(SIG_DFL)) {
error_message = strerror(errno);
error_source = "register_signal_handler";
goto deactivate_client;
}
if (process_state == 2) {
double average_latency = ((double) total_latency) / samples;
double average_latency_time = total_latency_time / samples;
size_t i;
double latency_plot_offset =
floor(((double) lowest_latency_time) / 100.0) / 10.0;
double sample_rate = (double) jack_get_sample_rate(client);
jack_nframes_t total_jitter = 0;
jack_time_t total_jitter_time = 0;
for (i = 0; i <= 100; i++) {
jitter_plot[i] = 0;
latency_plot[i] = 0;
}
for (i = 0; i < samples; i++) {
double latency_time_value = (double) latency_time_values[i];
double latency_plot_time =
(latency_time_value / 1000.0) - latency_plot_offset;
double jitter_time = ABS(average_latency_time -
latency_time_value);
if (latency_plot_time >= 10.0) {
(latency_plot[100])++;
} else {
(latency_plot[(int) (latency_plot_time * 10.0)])++;
}
if (jitter_time >= 10000.0) {
(jitter_plot[100])++;
} else {
(jitter_plot[(int) (jitter_time / 100.0)])++;
}
total_jitter += ABS(average_latency -
((double) latency_values[i]));
total_jitter_time += jitter_time;
}
printf("Reported out-port latency: %.2f-%.2f ms (%u-%u frames)\n"
"Reported in-port latency: %.2f-%.2f ms (%u-%u frames)\n"
"Average latency: %.2f ms (%.2f frames)\n"
"Lowest latency: %.2f ms (%u frames)\n"
"Highest latency: %.2f ms (%u frames)\n"
"Peak MIDI jitter: %.2f ms (%u frames)\n"
"Average MIDI jitter: %.2f ms (%.2f frames)\n",
(out_latency_range.min / sample_rate) * 1000.0,
(out_latency_range.max / sample_rate) * 1000.0,
out_latency_range.min, out_latency_range.max,
(in_latency_range.min / sample_rate) * 1000.0,
(in_latency_range.max / sample_rate) * 1000.0,
in_latency_range.min, in_latency_range.max,
average_latency_time / 1000.0, average_latency,
lowest_latency_time / 1000.0, lowest_latency,
highest_latency_time / 1000.0, highest_latency,
(highest_latency_time - lowest_latency_time) / 1000.0,
highest_latency - lowest_latency,
(total_jitter_time / 1000.0) / samples,
((double) total_jitter) / samples);
printf("\nJitter Plot:\n");
for (i = 0; i < 100; i++) {
if (jitter_plot[i]) {
printf("%.1f - %.1f ms: %d\n", ((float) i) / 10.0,
((float) (i + 1)) / 10.0, jitter_plot[i]);
}
}
if (jitter_plot[100]) {
printf(" > 10 ms: %d\n", jitter_plot[100]);
}
printf("\nLatency Plot:\n");
for (i = 0; i < 100; i++) {
if (latency_plot[i]) {
printf("%.1f - %.1f ms: %d\n",
latency_plot_offset + (((float) i) / 10.0),
latency_plot_offset + (((float) (i + 1)) / 10.0),
latency_plot[i]);
}
}
if (latency_plot[100]) {
printf(" > %.1f ms: %d\n", latency_plot_offset + 10.0,
latency_plot[100]);
}
}
deactivate_client:
jack_deactivate(client);
printf("\nMessages sent: %d\nMessages received: %d\n", messages_sent,
messages_received);
if (unexpected_messages) {
printf("Unexpected messages received: %d\n", unexpected_messages);
}
if (xrun_count) {
printf("Xruns: %d\n", xrun_count);
}
destroy_process_semaphore:
destroy_semaphore(process_semaphore, 2);
destroy_init_semaphore:
destroy_semaphore(init_semaphore, 1);
destroy_connect_semaphore:
destroy_semaphore(connect_semaphore, 0);
unregister_out_port:
jack_port_unregister(client, out_port);
unregister_in_port:
jack_port_unregister(client, in_port);
close_client:
jack_client_close(client);
free_message_2:
free(message_2);
free_message_1:
free(message_1);
free_latency_time_values:
free(latency_time_values);
free_latency_values:
free(latency_values);
free_alias2:
free(alias2);
free_alias1:
free(alias1);
if (error_message != NULL) {
show_error:
output_error(error_source, error_message);
exit(EXIT_FAILURE);
}
return EXIT_SUCCESS;
}
