Mercurial > hg > beaglert
diff examples/08-PureData/basic_libpd/main.cpp @ 464:8fcfbfb32aa0 prerelease
Examples reorder with subdirectories. Added header to each project. Moved Doxygen to bottom of render.cpp.
author | Robert Jack <robert.h.jack@gmail.com> |
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date | Mon, 20 Jun 2016 16:20:38 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/08-PureData/basic_libpd/main.cpp Mon Jun 20 16:20:38 2016 +0100 @@ -0,0 +1,91 @@ +/* + * default_main.cpp + * + * Created on: Oct 24, 2014 + * Author: parallels + */ +#include <unistd.h> +#include <iostream> +#include <cstdlib> +#include <libgen.h> +#include <signal.h> +#include <getopt.h> +#include "../include/Bela.h" + +using namespace std; + +// Handle Ctrl-C by requesting that the audio rendering stop +void interrupt_handler(int var) +{ + gShouldStop = true; +} + +// Print usage information +void usage(const char * processName) +{ + cerr << "Usage: " << processName << " [options]" << endl; + + Bela_usage(); + + cerr << " --help [-h]: Print this menu\n"; +} + +int main(int argc, char *argv[]) +{ + BelaInitSettings settings; // Standard audio settings + + struct option customOptions[] = + { + {"help", 0, NULL, 'h'}, + {NULL, 0, NULL, 0} + }; + + // Set default settings + Bela_defaultSettings(&settings); + + // Parse command-line arguments + while (1) { + int c; + if ((c = Bela_getopt_long(argc, argv, "h", customOptions, &settings)) < 0) + break; + switch (c) { + case 'h': + usage(basename(argv[0])); + exit(0); + case '?': + default: + usage(basename(argv[0])); + exit(1); + } + } + + // Initialise the PRU audio device + if(Bela_initAudio(&settings, 0) != 0) { + cout << "Error: unable to initialise audio" << endl; + return -1; + } + + // Start the audio device running + if(Bela_startAudio()) { + cout << "Error: unable to start real-time audio" << endl; + return -1; + } + + // Set up interrupt handler to catch Control-C and SIGTERM + signal(SIGINT, interrupt_handler); + signal(SIGTERM, interrupt_handler); + + // Run until told to stop + while(!gShouldStop) { + usleep(100000); + } + + // Stop the audio device + Bela_stopAudio(); + + // Clean up any resources allocated for audio + Bela_cleanupAudio(); + + // All done! + return 0; +}