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Jack2 latent_client.c #14

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merged 5 commits into from
Dec 30, 2021
Merged

Jack2 latent_client.c #14

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b67c95a
Remove example-clients/latent_client.c
dvzrv Nov 26, 2021
677e083
Add missing file.
Mar 8, 2011
dfc12a0
Compile on Windows again.
Mar 8, 2011
55baec5
Update Solaris drivers.
Apr 2, 2011
de90cc2
Improve some of example-clients, cleanup.
Nov 25, 2011
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28 changes: 15 additions & 13 deletions example-clients/latent_client.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,30 +21,36 @@ jack_default_audio_sample_t *delay_line;
jack_nframes_t delay_index;
jack_nframes_t latency = 1024;

#ifdef WIN32
#define jack_sleep(val) Sleep((val))
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this macro is only used once, so I dont really think it makes sense. plus the -1*1000 for !win32 case makes it be very weird..

will remove this part to be more in line with the other examples, which do not use a macro

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Should we add a ticket for this?

#else
#define jack_sleep(val) usleep((val) * 1000)
#endif

/**
* The process callback for this JACK application is called in a
* special realtime thread once for each audio cycle.
*
* This client does nothing more than copy data from its input
* port to its output port. It will exit when stopped by
* port to its output port. It will exit when stopped by
* the user (e.g. using Ctrl-C on a unix-ish operating system)
*/
int
process (jack_nframes_t nframes, void *arg)
{
jack_default_audio_sample_t *in, *out;
int k;

in = jack_port_get_buffer (input_port, nframes);
out = jack_port_get_buffer (output_port, nframes);

for (k=0; k<nframes; k++) {
out[k] = delay_line[delay_index];
delay_line[delay_index] = in[k];
delay_index = (delay_index + 1) % latency;
}
}

return 0;
return 0;
}

void
Expand All @@ -71,7 +77,7 @@ latency_cb (jack_latency_callback_mode_t mode, void *arg)
void
jack_shutdown (void *arg)
{
fprintf(stderr, "JACK shut down, exiting ...\n");
fprintf(stderr, "JACK shut down, exiting ...\n");
exit (1);
}

Expand All @@ -83,7 +89,7 @@ main (int argc, char *argv[])
const char *server_name = NULL;
jack_options_t options = JackNullOption;
jack_status_t status;


if (argc == 2)
latency = atoi(argv[1]);
Expand Down Expand Up @@ -134,7 +140,7 @@ main (int argc, char *argv[])

jack_on_shutdown (client, jack_shutdown, 0);

/* display the current sample rate.
/* display the current sample rate.
*/

printf ("engine sample rate: %" PRIu32 "\n",
Expand Down Expand Up @@ -182,7 +188,7 @@ main (int argc, char *argv[])
}

free (ports);

ports = jack_get_ports (client, NULL, NULL,
JackPortIsPhysical|JackPortIsInput);
if (ports == NULL) {
Expand All @@ -198,11 +204,7 @@ main (int argc, char *argv[])

/* keep running until stopped by the user */

#ifdef WIN32
Sleep (-1);
#else
sleep (-1);
#endif
jack_sleep (-1);

/* this is never reached but if the program
had some other way to exit besides being killed,
Expand Down