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#include <lsl_c.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
void sleep_(int ms) { Sleep(ms); }
#else
#include <unistd.h>
void sleep_(int ms) { usleep(ms * 1000); }
#endif
/**
* This example program offers a 1-channel stream which contains strings.
* The stream has the "Marker" content type and irregular rate.
*/
int main(int argc, char *argv[]) {
lsl_streaminfo info; /* out stream declaration object */
lsl_outlet outlet; /* stream outlet */
const char *mrk; /* marker to send next */
/* declare a new streaminfo (name: "MyEventStream", content type: "Markers", 1 channel,
* irregular rate, ... */
/* ... string values, some made-up source id (can also be empty) */
const char *name = argc > 1 ? argv[1] : "MyEventStream";
info = lsl_create_streaminfo(name, "Markers", 1, LSL_IRREGULAR_RATE, cft_string, "id23443");
/* make a new outlet (chunking: default, buffering: 360k markers) */
outlet = lsl_create_outlet(info, 0, 360);
/* send random marker streams (note: this loop is keeping the CPU busy, normally one would sleep
* or yield here) */
printf("Now sending markers...\n");
const char *markertypes[] = {"Test", "Blah", "Marker", "XXX", "Testtest", "Test-1-2-3"};
while (1) {
/* wait for a random period of time */
sleep_(rand() % 1000);
/* and choose the marker to send */
mrk = markertypes[rand() % (sizeof(markertypes) / sizeof(markertypes[0]))];
printf("now sending: %s\n", mrk);
/* now send it (note the &, since this function takes an array of char*) */
lsl_push_sample_str(outlet, &mrk);
}
/* we never get here, buy anyway */
lsl_destroy_outlet(outlet);
return 0;
}
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