mirror of https://github.com/ericonr/sndio.git
94 lines
1.8 KiB
C
94 lines
1.8 KiB
C
#include <errno.h>
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#include <fcntl.h>
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#include <poll.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sndio.h>
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#include "tools.h"
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struct sio_par par;
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struct sio_cap cap;
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static void
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print_enc(struct sio_enc *enc)
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{
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printf("%s%d", enc->sig ? "s" : "u", enc->bits);
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if (enc->bps > 1)
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printf("%s", enc->le ? "le" : "be");
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if (enc->bps != SIO_BPS(enc->bits))
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printf("%d%s", enc->bps, enc->msb ? "msb" : "lsb");
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}
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static void
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print_cap(struct sio_cap *cap)
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{
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unsigned n, i;
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for (n = 0; n < cap->nconf; n++) {
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printf("config %d\n", n);
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printf("\tenc:");
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for (i = 0; i < SIO_NENC; i++) {
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if (cap->confs[n].enc & (1 << i)) {
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printf(" ");
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print_enc(&cap->enc[i]);
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}
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}
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printf("\n\tpchan:");
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for (i = 0; i < SIO_NCHAN; i++) {
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if (cap->confs[n].pchan & (1 << i))
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printf(" %d", cap->pchan[i]);
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}
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printf("\n\trchan:");
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for (i = 0; i < SIO_NCHAN; i++) {
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if (cap->confs[n].rchan & (1 << i))
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printf(" %d", cap->rchan[i]);
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}
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printf("\n\trate:");
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for (i = 0; i < SIO_NRATE; i++) {
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if (cap->confs[n].rate & (1 << i))
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printf(" %d", cap->rate[i]);
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}
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printf("\n");
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}
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}
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int
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main(int argc, char **argv) {
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int ch;
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unsigned mode = SIO_PLAY | SIO_REC;
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struct sio_hdl *hdl;
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while ((ch = getopt(argc, argv, "pr")) != -1) {
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switch(ch) {
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case 'p':
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mode &= ~SIO_REC;
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break;
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case 'r':
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mode &= ~SIO_PLAY;
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break;
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default:
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fprintf(stderr, "usage: cap [-pr]\n");
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exit(1);
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break;
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}
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}
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if (mode == 0) {
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fprintf(stderr, "-p and -r flags are mutually exclusive\n");
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exit(1);
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}
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hdl = sio_open(NULL, mode, 0);
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if (hdl == NULL) {
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fprintf(stderr, "sio_open() failed\n");
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exit(1);
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}
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if (!sio_getcap(hdl, &cap)) {
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fprintf(stderr, "sio_getcap() failed\n");
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exit(1);
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}
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print_cap(&cap);
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sio_close(hdl);
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return 0;
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}
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