int
main (int argc, char *argv[])
{
//////////////////////////////////////////////
//will be removed
// sample_rate=44100;
sample_rate=48000;
// period_size=2048;
period_size=4096;
// period_size=256;
//period_size=128;
bytes_per_sample=4;
//osc
const char *listenPort;
//command line options parsing
//http://www.gnu.org/software/libc/manual/html_node/Using-Getopt.html
static struct option long_options[] =
{
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'v'},
{"loinfo", no_argument, 0, 'x'},
{"out", required_argument, 0, 'o'},
{"offset", required_argument, 0, 'f'},
{"16", no_argument, 0, 'y'},
{"max", required_argument, 0, 'm'},//max (allocate) buffer
{"update", required_argument, 0, 'u'},//screen info update every nth cycle
{"limit", required_argument, 0, 'l'},//test, stop after n processed
{0, 0, 0, 0}
};
//print program header
if(argc>1 && strcmp(argv[1],"--version"))
{
print_header("audio_post_send");
}
if (argc - optind < 1)
{
fprintf (stderr, "Missing arguments, see --help.\n\n");
exit(1);
}
int opt;
//do until command line options parsed
while (1)
{
/* getopt_long stores the option index here. */
int option_index = 0;
opt = getopt_long (argc, argv, "", long_options, &option_index);
/* Detect the end of the options. */
if (opt == -1)
{
break;
}
switch (opt)
{
case 0:
/* If this option set a flag, do nothing else now. */
if (long_options[option_index].flag != 0)
{
break;
}
case 'h':
print_help();
break;
case 'v':
print_version();
break;
case 'x':
check_lo_props(1);
return 1;
case 'o':
output_port_count=atoi(optarg);
if(output_port_count>max_channel_count)
{
fprintf(stderr,"*** limiting playback ports to %d, sry\n",max_channel_count);
output_port_count=max_channel_count;
}
port_count=fmin(input_port_count,output_port_count);
break;
case 'f':
channel_offset=atoi(optarg);
break;
case 'm':
//min 1 MB
max_buffer_size=fmax(1,(uint64_t)atoll(optarg)*1000*1000);
break;
case 'u':
update_display_every_nth_cycle=fmax(1,(uint64_t)atoll(optarg));
break;
case 'l':
receive_max=fmax(1,(uint64_t)atoll(optarg));
test_mode=1;
fprintf(stderr,"*** limiting number of messages: %" PRId64 "\n",receive_max);
break;
case '?': //invalid commands
/* getopt_long already printed an error message. */
fprintf (stderr, "Wrong arguments, see --help.\n\n");
exit(1);
break;
default:
break;
} //end switch op
}//end while(1)
//remaining non optional parameters listening port, remote host, remote port
if(argc-optind != 3)
{
fprintf (stderr, "Wrong arguments, see --help.\n\n");
exit(1);
}
if(check_lo_props(0)>0)
{
return 1;
}
if(have_libjack()!=0)
{
fprintf(stderr,"/!\\ libjack not found (JACK not installed?). this is fatal: audio_post_send needs JACK to run.\n");
//io_quit("nolibjack");
exit(1);
}
listenPort=argv[optind];
//tcp target
remote_tcp_host=argv[optind+1];
remote_tcp_port=argv[optind+2];
loa_tcp = lo_address_new_with_proto(LO_TCP, remote_tcp_host, remote_tcp_port);
//initialize time
gettimeofday(&tv, NULL);
tt_prev.sec=tv.tv_sec;
tt_prev.frac=tv.tv_usec;
//print startup info
fprintf(stderr,"listening on UDP port: %s\n",listenPort);
//udp/tcp use the same port for now
fprintf(stderr,"started TCP server on port: %s\n",listenPort);
fprintf(stderr,"channels (forward): %d\n",output_port_count);
fprintf(stderr,"channel offset: %d\n",channel_offset);
fprintf(stderr, "TCP target: %s:%s\n",remote_tcp_host,remote_tcp_port);
fprintf(stderr, "period size (TCP forward): %d samples\n",period_size);
fprintf(stderr, "delay between TCP sends: %d ms\n",delay_between_tcp_sends);
fprintf(stderr, "delay between TCP retries on broken connection: %d ms\n",delay_between_tcp_retries);
//ringbuffer size bytes
uint64_t rb_size;
//use as given via param --max or:
if(max_buffer_size==0)
{
//default
//10 MB . .
max_buffer_size=10000000;
}
//
rb_size=max_buffer_size;
fprintf(stderr,"allocated buffer size: %" PRId64 " bytes (%.2f MB)\n",max_buffer_size,(float)max_buffer_size/1000/1000);
//====================================
//main ringbuffer osc blobs -> jack output
rb = rb_new (rb_size);
//helper ringbuffer: used when remote period size < local period size
rb_helper = rb_new (rb_size);
if(rb==NULL)
{
fprintf(stderr,"could not create a ringbuffer with that size.\n");
fprintf(stderr,"try --max <smaller size>.\n");
exit(1);
}
/* install a signal handler to properly quits jack client */
#ifndef _WIN
signal(SIGQUIT, signal_handler);
signal(SIGHUP, signal_handler);
#endif
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
//add osc hooks & start UDP server
registerOSCMessagePatterns(listenPort);
lo_server_thread_start(lo_st);
//start TCP server, for forwarding to final receiver
lo_st_tcp = lo_server_thread_new_with_proto(listenPort, LO_TCP, error);
lo_server_thread_start(lo_st_tcp);
fflush(stderr);
/* keep running until the Ctrl+C */
while(1)
{
//possibly clean shutdown without any glitches
if(shutdown_in_progress==1)
{
signal_handler(42);
}
//if tcp message could not be sent
if(process()<0)
{
//wait x and update info
int i;
for(i=0;i<delay_between_tcp_retries;i++)
{
usleep(1000);
print_info();
}
}
else
{
//wait y and update info
int i;
for(i=0;i<delay_between_tcp_sends;i++)
{
usleep(1000);
print_info();
}
}
}
exit (0);
}
//================================================================
int main(int argc, char *argv[])
{
//jack
const char **ports;
//jack_options_t options = JackNullOption;
jack_status_t status;
//options struct was here
if(argc-optind<1)
{
print_header("jack_audio_receive");
fprintf(stderr, "Missing arguments, see --help.\n\n");
exit(1);
}
int opt;
//do until command line options parsed
while(1)
{
/* getopt_long stores the option index here. */
int option_index=0;
opt=getopt_long(argc, argv, "", long_options, &option_index);
/* Detect the end of the options. */
if(opt==-1)
{
break;
}
switch(opt)
{
case 0:
/* If this option set a flag, do nothing else now. */
if(long_options[option_index].flag!=0)
{
break;
}
case 'h':
print_header("jack_audio_receive");
print_help();
break;
case 'v':
print_version();
break;
case 'x':
print_header("jack_audio_receive");
check_lo_props(1);
return 1;
case 'o':
output_port_count=atoi(optarg);
if(output_port_count>max_channel_count)
{
output_port_count=max_channel_count;
}
port_count=fmin(input_port_count,output_port_count);
break;
case 'f':
channel_offset=atoi(optarg);
break;
case 'y':
bytes_per_sample=2;
break;
case 'n':
client_name=optarg;
break;
case 's':
server_name=optarg;
jack_opts |= JackServerName;
break;
case 'b':
pre_buffer_size=fmax(1,(uint64_t)atoll(optarg));
break;
case 'm':
max_buffer_size=fmax(1,(uint64_t)atoll(optarg));
break;
case 'u':
update_display_every_nth_cycle=fmax(1,(uint64_t)atoll(optarg));
break;
case 'l':
receive_max=fmax(1,(uint64_t)atoll(optarg));
test_mode=1;
break;
case 'a':
io_host=optarg;
break;
case 'c':
io_port=optarg;
break;
case 't':
use_tcp=1;
remote_tcp_server_port=optarg;
break;
case '?': //invalid commands
/* getopt_long already printed an error message. */
print_header("jack_audio_receive");
fprintf(stderr, "Wrong arguments, see --help.\n\n");
exit(1);
break;
default:
break;
} //end switch op
}//end while(1)
//remaining non optional parameters listening port
if(argc-optind!=1)
{
print_header("jack_audio_receive");
fprintf(stderr, "Wrong arguments, see --help.\n\n");
exit(1);
}
localPort=argv[optind];
//for commuication with a gui / other controller / visualizer
loio=lo_address_new_with_proto(LO_UDP, io_host, io_port);
//if was set to use random port
if(atoi(localPort)==0)
{
//for lo_server_thread_new_with_proto
localPort=NULL;
}
//add osc hooks & start osc server early (~right after cmdline parsing)
registerOSCMessagePatterns(localPort);
lo_server_thread_start(lo_st);
//read back port (in case of random)
//could use
//int lo_server_thread_get_port(lo_server_thread st)
const char *osc_server_url=lo_server_get_url(lo_server_thread_get_server(lo_st));
localPort=lo_url_get_port(osc_server_url);
//int lport=lo_server_thread_get_port(lo_st);
//notify osc gui
if(io_())
{
lo_message msgio=lo_message_new();
lo_message_add_float(msgio, version);
lo_message_add_float(msgio, format_version);
lo_send_message(loio, "/startup", msgio);
lo_message_free(msgio);
}
if(check_lo_props(0)>0)
{
return 1;
}
if(use_tcp==1)
{
lo_proto=LO_TCP;
}
if(shutup==0)
{
print_header("jack_audio_receive");
if(output_port_count>max_channel_count)
{
fprintf(stderr,"/!\\ limiting playback ports to %d, sry\n",max_channel_count);
}
if(test_mode==1)
{
fprintf(stderr,"/!\\ limiting number of messages: %" PRId64 "\n",receive_max);
}
}
//check for default jack server env var
char *evar=getenv("JACK_DEFAULT_SERVER");
if(evar==NULL || strlen(evar)<1)
{
#ifndef _WIN
unsetenv("JACK_DEFAULT_SERVER");
#endif
}
else if(server_name==NULL)
{
//use env var if no server was given with --sname
server_name=evar;
}
if(server_name==NULL || strlen(server_name)<=0)
{
server_name="default";
}
if(client_name==NULL)
{
client_name="receive";
}
if(have_libjack()!=0)
{
fprintf(stderr,"/!\\ libjack not found (JACK not installed?). this is fatal: jack_audio_receive needs JACK to run.\n");
io_quit("nolibjack");
exit(1);
}
//initialize time
gettimeofday(&tv, NULL);
tt_prev.sec=tv.tv_sec;
tt_prev.frac=tv.tv_usec;
//create an array of input ports
ioPortArray=(jack_port_t**) malloc(output_port_count * sizeof(jack_port_t*));
//open a client connection to the JACK server
client=jack_client_open(client_name, jack_opts, &status, server_name);
if(client==NULL)
{
fprintf(stderr,"jack_client_open() failed, status = 0x%2.0x\n", status);
if(status & JackServerFailed)
{
fprintf(stderr,"Unable to connect to JACK server.\n");
io_quit("nojack");
}
exit(1);
}
if(use_tcp==1)
{
if(shutup==0)
{
fprintf(stderr,"receiving on TCP port: %s\n",localPort);
}
}
else
{
if(shutup==0)
{
fprintf(stderr,"receiving on UDP port: %s\n",localPort);
}
}
client_name=jack_get_client_name(client);
if(shutup==0)
{
fprintf(stderr,"started JACK client '%s' on server '%s'\n",client_name,server_name);
if(status & JackNameNotUnique)
{
fprintf(stderr, "/!\\ name '%s' was automatically assigned\n", client_name);
}
}
if(status & JackNameNotUnique)
{
io_simple("/client_name_changed");
}
//print startup info
read_jack_properties();
if(shutup==0)
{
print_common_jack_properties();
fprintf(stderr,"channels (playback): %d\n",output_port_count);
fprintf(stderr,"channel offset: %d\n",channel_offset);
print_bytes_per_sample();
fprintf(stderr,"multi-channel period size: %d bytes\n",
output_port_count*period_size*bytes_per_sample
);
char *strat="fill with zero (silence)";
if(zero_on_underflow==0)
{
strat="re-use last available period";
}
fprintf(stderr,"underflow strategy: %s\n",strat);
if(rebuffer_on_restart==1)
{
fprintf(stderr,"rebuffer on sender restart: yes\n");
}
else
{
fprintf(stderr,"rebuffer on sender restart: no\n");
}
if(rebuffer_on_underflow==1)
{
fprintf(stderr,"rebuffer on underflow: yes\n");
}
else
{
fprintf(stderr,"rebuffer on underflow: no\n");
}
if(allow_remote_buffer_control==1)
{
fprintf(stderr,"allow external buffer control: yes\n");
}
else
{
fprintf(stderr,"allow external buffer control: no\n");
}
if(close_on_incomp==1)
{
fprintf(stderr,"shutdown receiver when incompatible data received: yes\n");
}
else
{
fprintf(stderr,"shutdown receiver when incompatible data received: no\n");
}
}//end cond. print
char buf[64];
format_seconds(buf,(float)pre_buffer_size*period_size/(float)sample_rate);
uint64_t rb_size_pre=pre_buffer_size*output_port_count*period_size*bytes_per_sample;
if(shutup==0)
{
fprintf(stderr,"initial buffer size: %" PRId64 " mc periods (%s, %" PRId64 " bytes, %.2f MB)\n",
pre_buffer_size,
buf,
rb_size_pre,
(float)rb_size_pre/1000/1000
);
}
buf[0]='\0';
//ringbuffer size bytes
uint64_t rb_size;
//ringbuffer mc periods
int max_buffer_mc_periods;
//max given as param (user knows best. if pre=max, overflows are likely)
if(max_buffer_size>0)
{
max_buffer_mc_periods=fmax(pre_buffer_size,max_buffer_size);
rb_size=max_buffer_mc_periods
*output_port_count*period_size*bytes_per_sample;
}
else //"auto"
{
//make max buffer 0.5 seconds larger than pre buffer
max_buffer_mc_periods=pre_buffer_size+ceil(0.5*(float)sample_rate/period_size);
rb_size=max_buffer_mc_periods
*output_port_count*period_size*bytes_per_sample;
}
max_buffer_size=max_buffer_mc_periods;
format_seconds(buf,(float)max_buffer_mc_periods*period_size/sample_rate);
if(shutup==0)
{
fprintf(stderr,"allocated buffer size: %" PRId64 " mc periods (%s, %" PRId64 " bytes, %.2f MB)\n",
max_buffer_size,
buf,
rb_size,
(float)rb_size/1000/1000
);
}
buf[0]='\0';
io_dump_config();
//====================================
//main ringbuffer osc blobs -> jack output
rb=jack_ringbuffer_create(rb_size);
//helper ringbuffer: used when remote period size < local period size
rb_helper=jack_ringbuffer_create(rb_size);
if(rb==NULL)
{
fprintf(stderr,"could not create a ringbuffer with that size.\n");
fprintf(stderr,"try --max <smaller size>.\n");
io_quit("ringbuffer_too_large");
exit(1);
}
//JACK will call process() for every cycle (given by JACK)
//NULL could be config/data struct
jack_set_process_callback(client, process, NULL);
jack_set_xrun_callback(client, xrun_handler, NULL);
//register hook to know when JACK shuts down or the connection
//was lost (i.e. client zombified)
jack_on_shutdown(client, jack_shutdown_handler, 0);
// Register each output port
int port;
for(port=0; port<output_port_count; port ++)
{
// Create port name
char* portName;
if(asprintf(&portName, "output_%d", (port+1)) < 0)
{
fprintf(stderr,"Could not create portname for port %d", port);
io_quit("port_error");
exit(1);
}
// Register the output port
ioPortArray[port]=jack_port_register(client, portName, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
if(ioPortArray[port]==NULL)
{
fprintf(stderr,"Could not create output port %d\n", (port+1));
io_quit("port_error");
exit(1);
}
}
/* Tell the JACK server that we are ready to roll. Our
* process() callback will start running now. */
if(jack_activate(client))
{
fprintf(stderr, "cannot activate client");
io_quit("cannot_activate_client");
exit(1);
}
/* Connect the ports. You can't do this before the client is
* activated, because we can't make connections to clients
* that aren't running. Note the confusing (but necessary)
* orientation of the driver backend ports: playback ports are
* "input" to the backend, and capture ports are "output" from
* it.
*/
//prevent to get physical midi ports
const char* pat="audio";
ports=jack_get_ports(client, NULL, pat, JackPortIsPhysical|JackPortIsInput);
if(ports==NULL)
{
if(shutup==0)
{
fprintf(stderr,"no physical playback ports\n");
}
//exit(1);
}
if(autoconnect==1)
{
fprintf(stderr, "\n");
int j=0;
int i;
for(i=0;i<output_port_count;i++)
{
if(ports[i]!=NULL
&& ioPortArray[j]!=NULL
&& jack_port_name(ioPortArray[j])!=NULL)
{
if(!jack_connect(client, jack_port_name(ioPortArray[j]), ports[i]))
{
if(shutup==0)
{
fprintf(stderr, "autoconnect: %s -> %s\n",
jack_port_name(ioPortArray[j]),ports[i]
);
}
io_simple_string_double("/autoconnect",jack_port_name(ioPortArray[j]),ports[i]);
j++;
}
else
{
if(shutup==0)
{
fprintf(stderr, "autoconnect: failed: %s -> %s\n",
jack_port_name(ioPortArray[j]),ports[i]
);
}
}
}
else
{
//no more playback ports
break;
}
}//end for all output ports
if(shutup==0)
{
fprintf(stderr, "\n");
}
}
free(ports);
fflush(stderr);
/* install a signal handler to properly quits jack client */
#ifndef _WIN
signal(SIGQUIT, signal_handler);
signal(SIGHUP, signal_handler);
#endif
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
if(use_tcp==1)
{
//10 MB max
int desired_max_tcp_size=10000000;
lo_server s=lo_server_thread_get_server(lo_st);
int ret_set_size=lo_server_max_msg_size(s, desired_max_tcp_size);
if(shutup==0)
{
printf("set tcp max size return: %d\n",ret_set_size);
io_simple("/tcp_max_size_xxxx");
}
}
not_yet_ready=0;
io_simple("/start_main_loop");
//run possibly forever until not interrupted by any means
while(1)
{
//possibly clean shutdown without any glitches
if(shutdown_in_progress==1)
{
signal_handler(42);
}
#ifdef WIN_
Sleep(1000);
#else
sleep(1);
#endif
}
exit(0);
}//end main