https://studiorats.fr:8443/stream

code/ao_example.c

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+/*
+ * ao_example.c
+ *     Written by Stan Seibert - July 2001
+ *
+ * Compilation command line (for Linux systems):
+ *     gcc -o ao_example ao_example.c -lao -ldl -lm
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ao/ao.h>
+#include <math.h>
+
+#define BUF_SIZE 4096
+
+int main(int argc, char **argv)
+{
+ao_device *device;
+ao_sample_format format;
+int default_driver;
+char *buffer;
+int buf_size;
+int sample;
+float freq = 440.0;
+int i;
+
+	/* -- Initialize -- */
+
+fprintf(stderr, "libao example program\n");
+
+ao_initialize();
+
+	/* -- Setup for default driver -- */
+
+default_driver = ao_default_driver_id();
+
+memset(&format, 0, sizeof(format));
+format.bits = 16;
+format.channels = 2;
+format.rate = 44100;
+format.byte_format = AO_FMT_LITTLE;
+
+	/* -- Open driver -- */
+device = ao_open_live(default_driver, &format, NULL);
+if (device == NULL) {
+	fprintf(stderr, "Error opening device.\n");
+	return 1;
+}
+
+	/* -- Play some stuff -- */
+buf_size = format.bits/8 * format.channels * format.rate;
+buffer = calloc(buf_size, sizeof(char));
+
+for (i = 0; i < format.rate; i++) {
+	sample = (int)(0.75 * 32768.0 *
+	      sin(2 * M_PI * freq * ((float) i/format.rate)));
+
+	/* Put the same stuff in left and right channel */
+	buffer[4*i] = buffer[4*i+2] = sample & 0xff;
+	buffer[4*i+1] = buffer[4*i+3] = (sample >> 8) & 0xff;
+	}
+ao_play(device, buffer, buf_size);
+
+/* -- Close and shutdown -- */
+ao_close(device);
+ao_shutdown();
+
+return (0);
+}

code/ex_curses.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <ncurses.h>
+int main(int argc, char *argv[])
+{
+int		key;
+
+if (2 != argc)	exit(1);
+
+initscr();		/* first initialization */
+cbreak();		/* no line buffering */
+noecho();		/* be silent on input */
+keypad(stdscr, TRUE);	/* acces touches curseur */
+
+mvaddstr(10, 3, argv[1]);
+refresh();
+
+key = getch();
+
+endwin();
+printf("code touche %d\n", key);
+
+return 0;
+}
+
+