mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-29 05:40:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Ported

Browse source
This commit is contained in:
Jaroslav Kysela 2001-04-24 19:46:14 +00:00
parent 7025482a40
commit 128e710940
1 changed files with 24 additions and 51 deletions
Download patch file Download diff file Expand all files Collapse all files

75
test/midiloop.c
View file

@ -66,13 +66,12 @@ int main(int argc, char** argv)
int i, j, k, opos, ipos, patsize;
int err;
int verbose = 0;
int card_in = -1, device_in = 0;
int card_out = -1, device_out = 0;
snd_rawmidi_t *handle_in = NULL, *handle_out = NULL;
unsigned char ibuf[512], obuf[512], iname[32], oname[32];
unsigned char ibuf[512], obuf[512];
char *iname = "hw:0,0", *oname = "hw:0,0";
struct timeval start, end;
long long diff;
snd_rawmidi_status_t istat, ostat;
snd_rawmidi_status_t *istat, *ostat;
if (argc == 1) {
usage();
@ -89,58 +88,34 @@ int main(int argc, char** argv)
verbose = 1;
break;
case 'i':
card_in = atoi(argv[i+1]);
if (isdigit(argv[i+2][0])) {
device_in = atoi(argv[i+2]);
} else {
fprintf(stderr,"Error: -i with card_id, but missing device id\n");
exit(-1);
}
i+=2;
iname = argv[i+1];
break;
case 'o':
card_out = atoi(argv[i+1]);
if (isdigit(argv[i+2][0])) {
device_out = atoi(argv[i+2]);
}else{
fprintf(stderr,"Error: -i with card_id, but missing device id\n");
exit(EXIT_FAILURE);
}
oname = argv[i+1];
break;
}
}
}
if (card_in == -1 && card_out == -1) {
fprintf(stderr, "specify at least one device\n");
exit(EXIT_FAILURE);
}
if (iname == NULL)
iname = oname;
if (oname == NULL)
oname = iname;
if (card_in == -1)
card_in = card_out;
if (card_out == -1)
card_out = card_in;
sprintf(iname, "hw:%i,%i", card_in, device_in);
sprintf(oname, "hw:%i,%i", card_out, device_out);
if (verbose) {
fprintf(stderr, "Using: \n");
fprintf(stderr, " Input: ");
fprintf(stderr, "card %d, device %d\n", card_in, device_in);
fprintf(stderr, " Output: ");
fprintf(stderr, "card %d, device %d\n", card_out, device_out);
fprintf(stderr, " Input: %s Output: %s\n", iname, oname);
}
err = snd_rawmidi_open(&handle_in, iname, SND_RAWMIDI_OPEN_INPUT, SND_RAWMIDI_NONBLOCK);
err = snd_rawmidi_open(&handle_in, NULL, iname, SND_RAWMIDI_NONBLOCK);
if (err) {
fprintf(stderr,"snd_rawmidi_open %d %d failed: %d\n",card_in,device_in,err);
fprintf(stderr,"snd_rawmidi_open %s failed: %d\n",iname,err);
exit(EXIT_FAILURE);
}
err = snd_rawmidi_open(&handle_out, oname, SND_RAWMIDI_OPEN_OUTPUT, 0);
err = snd_rawmidi_open(NULL, &handle_out, oname, 0);
if (err) {
fprintf(stderr,"snd_rawmidi_open %d %d failed: %d\n",card_out,device_out,err);
fprintf(stderr,"snd_rawmidi_open %s failed: %d\n",oname,err);
exit(EXIT_FAILURE);
}
@ -181,20 +156,18 @@ int main(int argc, char** argv)
printf("End...\n");
bzero(&istat, sizeof(istat));
bzero(&ostat, sizeof(ostat));
istat.stream = SND_RAWMIDI_STREAM_INPUT;
ostat.stream = SND_RAWMIDI_STREAM_OUTPUT;
err = snd_rawmidi_status(handle_in, &istat);
snd_rawmidi_status_alloca(&istat);
snd_rawmidi_status_alloca(&ostat);
err = snd_rawmidi_status(handle_in, istat);
if (err < 0)
fprintf(stderr, "input stream status error: %d\n", err);
err = snd_rawmidi_status(handle_out, &ostat);
err = snd_rawmidi_status(handle_out, ostat);
if (err < 0)
fprintf(stderr, "output stream status error: %d\n", err);
printf("input.status.avail = %li\n", istat.avail);
printf("input.status.xruns = %li\n", istat.xruns);
printf("output.status.avail = %li\n", ostat.avail);
printf("output.status.xruns = %li\n", ostat.xruns);
printf("input.status.avail = %li\n", snd_rawmidi_status_get_avail(istat));
printf("input.status.xruns = %li\n", snd_rawmidi_status_get_xruns(istat));
printf("output.status.avail = %li\n", snd_rawmidi_status_get_avail(ostat));
printf("output.status.xruns = %li\n", snd_rawmidi_status_get_xruns(ostat));
diff = timediff(end, start);
printf("Time diff: %Liusec (%Li bytes/sec)\n", diff, ((long long)opos * 1000000) / diff);
@ -203,9 +176,9 @@ int main(int argc, char** argv)
fprintf(stderr,"Closing\n");
}
snd_rawmidi_input_drain(handle_in);
snd_rawmidi_drain(handle_in);
snd_rawmidi_close(handle_in);
snd_rawmidi_output_drain(handle_out);
snd_rawmidi_drain(handle_out);
snd_rawmidi_close(handle_out);
return 0;