Convert to pulseaudio
This commit is contained in:
parent
b5a39e5849
commit
2b32f77957
3 changed files with 223 additions and 241 deletions
2
Makefile
2
Makefile
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@ -9,7 +9,7 @@ BIN = ./beepbeep
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CC = gcc
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LD = $(CC)
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CFLAGS = -Wall -g
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LIBS = -lm
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LIBS = -lm -lpulse-simple -lpulse
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all: $(BIN)
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@echo "All done"
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3
README
3
README
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@ -1,3 +1,6 @@
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Originally by Andreas Everberg
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Converted to use PulseAudio by Daniel Ponte
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The use of this software on telephone lines without the permission of the
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owners of these lines is illegal.
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459
beepbeep.c
459
beepbeep.c
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@ -1,240 +1,219 @@
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/*****************************************************************************\
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** **
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** BEEP-BEEP **
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** **
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**---------------------------------------------------------------------------**
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** Copyright: Andreas Eversberg **
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** **
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** minimal blueboxing software **
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** **
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\*****************************************************************************/
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#include <stdio.h>
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#include <termios.h>
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#include <unistd.h>
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#include <string.h>
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#include <math.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <linux/soundcard.h>
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#define SAMPLE_RATE 8000
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#define DSP_DEVICE "/dev/dsp"
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#define PI 3.14159265
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struct ccitt5 {
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char digit;
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int f1, f2;
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int duration, delay;
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} ccitt5[] = {
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{'A', 2400, 0, 150, 100},
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{'B', 2600, 0, 850, 100},
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{'C', 2400, 2600, 70, 100},
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{'1', 700, 900, 55, 50},
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{'2', 700, 1100, 55, 50},
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{'3', 900, 1100, 55, 50},
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{'4', 700, 1300, 55, 50},
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{'5', 900, 1300, 55, 50},
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{'6', 1100, 1300, 55, 50},
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{'7', 700, 1500, 55, 50},
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{'8', 900, 1500, 55, 50},
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{'9', 1100, 1500, 55, 50},
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{'0', 1300, 1500, 55, 50},
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{'d', 700, 1700, 55, 50},
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{'e', 900, 1700, 55, 50},
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{'a', 1100, 1700, 100, 50},
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{'b', 1300, 1700, 100, 50},
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{'c', 1500, 1700, 55, 50},
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{0, 0, 0, 0, 0}
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};
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/*
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* stream bell sound
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*/
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void dial_dsp(int dsp, char *dial)
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{
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int i, j, len;
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double k1, k2;
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unsigned char buffer[SAMPLE_RATE]; /* one second */
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if (dsp < 0)
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return;
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while(*dial) {
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i = 0;
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while(ccitt5[i].digit) {
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if (ccitt5[i].digit == *dial)
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break;
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i++;
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}
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if (ccitt5[i].digit) {
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/* send tone */
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len = ccitt5[i].duration * SAMPLE_RATE / 1000;
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k1 = 2.0 * PI * ccitt5[i].f1 / SAMPLE_RATE;
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k2 = 2.0 * PI * ccitt5[i].f2 / SAMPLE_RATE;
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for (j = 0; j < len; j++)
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buffer[j] = 64.0 * (2.0 + sin(k1 * j) + sin(k2 * j));
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write(dsp, buffer, len);
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/* send pause */
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len = ccitt5[i].delay * SAMPLE_RATE / 1000;
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memset(buffer, 128, len);
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write(dsp, buffer, len);
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}
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dial++;
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}
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ioctl(dsp, SOUND_PCM_SYNC, 0);
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}
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/*
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* open dsp
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*/
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int open_dsp(char *device, int rate)
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{
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int dsp;
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unsigned long arg;
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// audio_buf_info info;
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if ((dsp=open(device, O_WRONLY)) < 0) {
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fprintf(stderr, "cannot open '%s'\n", device);
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return -errno;
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}
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#if 0
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if (ioctl(dsp, SNDCTL_DSP_RESET, NULL) < 0) {
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fprintf(stderr, "ioctl failed with SOUND_DSP_RESET\n");
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close(dsp);
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return -errno;
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}
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#endif
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arg = 8;
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if (ioctl(dsp, SOUND_PCM_WRITE_BITS, &arg) < 0) {
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fprintf(stderr, "ioctl failed with SOUND_PCM_WRITE_BITS = %lu\n", arg);
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close(dsp);
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return -errno;
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}
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if ((int)arg != 8) {
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fprintf(stderr, "ioctl cannot set correct sample size\n");
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close(dsp);
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return -errno;
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}
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arg = 1;
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if (ioctl(dsp, SOUND_PCM_WRITE_CHANNELS, &arg) < 0) {
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fprintf(stderr, "ioctl failed with SOUND_PCM_WRITE_CHANNELS = %lu\n", arg);
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close(dsp);
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return -errno;
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}
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if ((int)arg != 1) {
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fprintf(stderr, "ioctl cannot set correct channel number\n");
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close(dsp);
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return -errno;
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}
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arg = rate;
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if (ioctl(dsp, SOUND_PCM_WRITE_RATE,&arg) < 0) {
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fprintf(stderr, "ioctl failed with SOUND_PCM_WRITE_RATE = %lu\n", arg);
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close(dsp);
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return -errno;
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}
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if ((int)arg != rate) {
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fprintf(stderr, "ioctl cannot set correct sample rate (got %lu)\n",arg);
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close(dsp);
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return -errno;
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}
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return dsp;
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}
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void close_dsp(int dsp)
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{
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if (dsp >= 0) {
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#if 0
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if (ioctl(dsp, SNDCTL_DSP_RESET, NULL) < 0)
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fprintf(stderr, "ioctl failed with SOUND_DSP_RESET\n");
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#endif
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close(dsp);
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}
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}
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int main(int argc, char *argv[])
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{
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int dsp;
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char *dial = "";
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int ch;
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char digit[2] = "x";
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struct termios orig, now;
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if (argc > 1 && !strcmp(argv[1], "--help")) {
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printf("Usage: %s [<dial string>]\n\n", argv[0]);
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printf("Runs with with the given dial string.\n");
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printf("For KP1, KP2, ST, use characters a, b, c instead.\n");
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return 0;
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}
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if (argc > 1)
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dial = argv[1];
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dsp = open_dsp(DSP_DEVICE, SAMPLE_RATE);
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if (dsp < 0)
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return dsp;
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printf("Welcome to Beep-Beep, your simple bluebox!\n");
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printf("------------------------------------------\n");
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printf("y or z = clear-forward\n");
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printf("x = seize\n");
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printf("0-9 = Digits\n");
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printf("a = KP1\n");
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printf("b = KP2\n");
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printf("c = ST\n");
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printf("d = Code 11\n");
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printf("e = Code 12\n");
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printf("f = forward transfer\n");
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if (dial[0])
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printf(". = dial %s\n", dial);
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printf("Escape to exit.\n");
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tcgetattr(0, &orig);
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now = orig;
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now.c_lflag &= ~(ISIG|ICANON|ECHO);
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now.c_cc[VMIN]=1;
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now.c_cc[VTIME]=2;
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tcsetattr(0, TCSANOW, &now);
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while ((ch = getc(stdin)) != 27) {
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switch(ch) {
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case 'y': case 'z':
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dial_dsp(dsp, "C");
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break;
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case 'x':
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dial_dsp(dsp, "A");
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break;
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case 'f':
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dial_dsp(dsp, "B");
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break;
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case '1': case '2': case '3': case '4': case '5':
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case '6': case '7': case '8': case '9': case '0':
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case 'a': case 'b': case 'c': case 'd': case 'e':
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digit[0] = ch;
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dial_dsp(dsp, digit);
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break;
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case '.':
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if (dial[0])
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dial_dsp(dsp, dial);
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break;
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}
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if (ch == 3)
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break;
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}
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tcsetattr(0, TCSANOW, &orig);
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close_dsp(dsp);
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return 0;
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}
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/*****************************************************************************\
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** **
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** BEEP-BEEP **
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** **
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**---------------------------------------------------------------------------**
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** Copyright: Andreas Eversberg **
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** Converted to use PulseAudio by Daniel Ponte **
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** **
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** minimal blueboxing software **
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** **
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\*****************************************************************************/
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#include <stdio.h>
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#include <termios.h>
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#include <unistd.h>
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#include <string.h>
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#include <math.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <pulse/simple.h>
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#include <pulse/error.h>
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#include <pulse/gccmacro.h>
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#define SAMPLE_RATE 8000
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#define PI 3.14159265
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struct ccitt5 {
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char digit;
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int f1, f2;
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int duration, delay;
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} ccitt5[] = {
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{'A', 2400, 0, 150, 100},
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{'B', 2600, 0, 850, 100},
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{'C', 2400, 2600, 70, 100},
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{'1', 700, 900, 55, 50},
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{'2', 700, 1100, 55, 50},
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{'3', 900, 1100, 55, 50},
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{'4', 700, 1300, 55, 50},
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{'5', 900, 1300, 55, 50},
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{'6', 1100, 1300, 55, 50},
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{'7', 700, 1500, 55, 50},
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{'8', 900, 1500, 55, 50},
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{'9', 1100, 1500, 55, 50},
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{'0', 1300, 1500, 55, 50},
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{'d', 700, 1700, 55, 50},
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{'e', 900, 1700, 55, 50},
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{'a', 1100, 1700, 100, 50},
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{'b', 1300, 1700, 100, 50},
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{'c', 1500, 1700, 55, 50},
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{0, 0, 0, 0, 0}
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};
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void close_pa(pa_simple *s)
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{
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if (s)
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pa_simple_free(s);
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}
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/*
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* stream bell sound
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*/
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void dial_pa(pa_simple *s, char *dial)
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{
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int i, j, len;
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int error;
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double k1, k2;
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unsigned char buffer[SAMPLE_RATE]; /* one second */
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if(!s)
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return;
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while(*dial) {
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i = 0;
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while(ccitt5[i].digit) {
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if (ccitt5[i].digit == *dial)
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break;
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i++;
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}
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if (ccitt5[i].digit) {
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/* send tone */
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len = ccitt5[i].duration * SAMPLE_RATE / 1000;
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k1 = 2.0 * PI * ccitt5[i].f1 / SAMPLE_RATE;
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k2 = 2.0 * PI * ccitt5[i].f2 / SAMPLE_RATE;
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for (j = 0; j < len; j++)
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buffer[j] = 64.0 * (2.0 + sin(k1 * j) + sin(k2 * j));
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if (pa_simple_write(s, buffer, (size_t) len, &error) < 0) {
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fprintf(stderr, __FILE__": pa_simple_write() failed: %s\n", pa_strerror(error));
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close_pa(s);
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exit(-1);
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}
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/* send pause */
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len = ccitt5[i].delay * SAMPLE_RATE / 1000;
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memset(buffer, 128, len);
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if (pa_simple_write(s, buffer, (size_t) len, &error) < 0) {
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fprintf(stderr, __FILE__": pa_simple_write() failed: %s\n", pa_strerror(error));
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close_pa(s);
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exit(-1);
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}
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}
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dial++;
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}
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if (pa_simple_drain(s, &error) < 0) {
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fprintf(stderr, __FILE__": pa_simple_drain() failed: %s\n", pa_strerror(error));
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close_pa(s);
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exit(-1);
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}
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}
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/*
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* open pulse
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*/
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pa_simple* open_pa(char *pname)
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{
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int error;
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static const pa_sample_spec ss = {
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.format = PA_SAMPLE_U8,
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.rate = SAMPLE_RATE,
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.channels = 1
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};
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pa_simple *s = NULL;
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if (!(s = pa_simple_new(NULL, pname, PA_STREAM_PLAYBACK, NULL, "playback", &ss, NULL, NULL, &error))) {
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fprintf(stderr, __FILE__": pa_simple_new() failed: %s\n", pa_strerror(error));
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return NULL;
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}
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return s;
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}
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int main(int argc, char *argv[])
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{
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pa_simple *s;
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char *dial = "";
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int ch;
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char digit[2] = "x";
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struct termios orig, now;
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if (argc > 1 && !strcmp(argv[1], "--help")) {
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printf("Usage: %s [<dial string>]\n\n", argv[0]);
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printf("Runs with with the given dial string.\n");
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printf("For KP1, KP2, ST, use characters a, b, c instead.\n");
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return 0;
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}
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if (argc > 1)
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dial = argv[1];
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s = open_pa(argv[0]);
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if (s == NULL) {
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fprintf(stderr, "cannot open pulse\n");
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return 1;
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}
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printf("Welcome to Beep-Beep, your simple bluebox!\n");
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printf("------------------------------------------\n");
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printf("y or z = clear-forward\n");
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printf("x = seize\n");
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printf("0-9 = Digits\n");
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printf("a = KP1\n");
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printf("b = KP2\n");
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printf("c = ST\n");
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printf("d = Code 11\n");
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printf("e = Code 12\n");
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printf("f = forward transfer\n");
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if (dial[0])
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printf(". = dial %s\n", dial);
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printf("Escape to exit.\n");
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tcgetattr(0, &orig);
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now = orig;
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now.c_lflag &= ~(ISIG|ICANON|ECHO);
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now.c_cc[VMIN]=1;
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now.c_cc[VTIME]=2;
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tcsetattr(0, TCSANOW, &now);
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while ((ch = getc(stdin)) != 27) {
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switch(ch) {
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case 'y': case 'z':
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dial_pa(s, "C");
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break;
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case 'x':
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dial_pa(s, "A");
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break;
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case 'f':
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dial_pa(s, "B");
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break;
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case '1': case '2': case '3': case '4': case '5':
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case '6': case '7': case '8': case '9': case '0':
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case 'a': case 'b': case 'c': case 'd': case 'e':
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digit[0] = ch;
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dial_pa(s, digit);
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break;
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case '.':
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if (dial[0])
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dial_pa(s, dial);
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break;
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}
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if (ch == 3)
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break;
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}
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tcsetattr(0, TCSANOW, &orig);
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close_pa(s);
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return 0;
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}
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