mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-11-09 17:15:43 +01:00
- fixes by Bernhard Kaindl.
- use the fixed event packet size to make it work regardless of pointer size. still there is endian-problem, though..
This commit is contained in:
parent
7836d64d4d
commit
b61885f544
1 changed files with 49 additions and 11 deletions
|
@ -72,6 +72,7 @@ static int seq_port;
|
|||
|
||||
static int server_mode;
|
||||
static int verbose = 0;
|
||||
static int info = 0;
|
||||
|
||||
|
||||
/*
|
||||
|
@ -84,6 +85,7 @@ static struct option long_option[] = {
|
|||
{"dest", 1, NULL, 'd'},
|
||||
{"help", 0, NULL, 'h'},
|
||||
{"verbose", 0, NULL, 'v'},
|
||||
{"info", 0, NULL, 'i'},
|
||||
{NULL, 0, NULL, 0},
|
||||
};
|
||||
|
||||
|
@ -93,7 +95,7 @@ int main(int argc, char **argv)
|
|||
int port = DEFAULT_PORT;
|
||||
char *source = NULL, *dest = NULL;
|
||||
|
||||
while ((c = getopt_long(argc, argv, "p:s:d:v", long_option, NULL)) != -1) {
|
||||
while ((c = getopt_long(argc, argv, "p:s:d:vi", long_option, NULL)) != -1) {
|
||||
switch (c) {
|
||||
case 'p':
|
||||
if (isdigit(*optarg))
|
||||
|
@ -110,6 +112,9 @@ int main(int argc, char **argv)
|
|||
case 'v':
|
||||
verbose++;
|
||||
break;
|
||||
case 'i':
|
||||
info++;
|
||||
break;
|
||||
default:
|
||||
usage();
|
||||
exit(1);
|
||||
|
@ -157,6 +162,7 @@ static void usage(void)
|
|||
fprintf(stderr, " -s,--source addr : read from given addr (client:port)\n");
|
||||
fprintf(stderr, " -d,--dest addr : write to given addr (client:port)\n");
|
||||
fprintf(stderr, " -v, --verbose : print verbose messages\n");
|
||||
fprintf(stderr, " -i, --info : print certain received events\n");
|
||||
}
|
||||
|
||||
|
||||
|
@ -234,7 +240,7 @@ static void init_seq(char *source, char *dest)
|
|||
err = snd_seq_poll_descriptors(handle, seqofds, counto, POLLOUT);
|
||||
assert(err == counto);
|
||||
|
||||
snd_seq_nonblock(handle, 0);
|
||||
snd_seq_nonblock(handle, 1);
|
||||
|
||||
/* set client info */
|
||||
if (server_mode)
|
||||
|
@ -420,7 +426,7 @@ static void do_loop(void)
|
|||
for (;;) {
|
||||
memset(pollfds, 0, pollfds_count * sizeof(struct pollfd));
|
||||
seqifd_ptr = 0;
|
||||
memcpy(pollfds, seqifds, width = seqifds_count);
|
||||
memcpy(pollfds, seqifds, sizeof(*seqifds)*(width = seqifds_count));
|
||||
if (server_mode) {
|
||||
sockfd_ptr = width;
|
||||
pollfds[width].fd = sockfd;
|
||||
|
@ -435,9 +441,13 @@ static void do_loop(void)
|
|||
width++;
|
||||
}
|
||||
}
|
||||
rc = poll(pollfds, width, -1);
|
||||
if (rc <= 0)
|
||||
do {
|
||||
rc = poll(pollfds, width, -1);
|
||||
} while (rc <= 0 && errno == EINTR);
|
||||
if (rc <= 0) {
|
||||
perror("poll");
|
||||
exit(1);
|
||||
}
|
||||
if (server_mode) {
|
||||
if (pollfds[sockfd_ptr].revents & (POLLIN|POLLOUT))
|
||||
start_connection();
|
||||
|
@ -492,6 +502,30 @@ static char *get_writebuf(int len)
|
|||
return buf;
|
||||
}
|
||||
|
||||
static void print_event(snd_seq_event_t *ev)
|
||||
{
|
||||
switch (ev->type) {
|
||||
case SND_SEQ_EVENT_CONTROLLER:
|
||||
printf("Channel %2d: Control event : %5d\n",
|
||||
ev->data.control.channel, ev->data.control.value);
|
||||
break;
|
||||
case SND_SEQ_EVENT_PITCHBEND:
|
||||
printf("Channel %2d: Pitchbender : %5d\n",
|
||||
ev->data.control.channel, ev->data.control.value);
|
||||
break;
|
||||
case SND_SEQ_EVENT_NOTEON:
|
||||
printf("Channel %2d: Note On event : %5d\n",
|
||||
ev->data.control.channel, ev->data.note.note);
|
||||
break;
|
||||
case SND_SEQ_EVENT_NOTEOFF:
|
||||
printf("Channel %2d: Note Off event: %5d\n",
|
||||
ev->data.control.channel, ev->data.note.note);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#define EVENT_PACKET_SIZE 32
|
||||
|
||||
/*
|
||||
* copy events from sequencer to port(s)
|
||||
*/
|
||||
|
@ -509,14 +543,16 @@ static int copy_local_to_remote(void)
|
|||
}
|
||||
if (snd_seq_ev_is_variable(ev)) {
|
||||
int len;
|
||||
len = sizeof(snd_seq_event_t) + ev->data.ext.len;
|
||||
len = EVENT_PACKET_SIZE + ev->data.ext.len;
|
||||
buf = get_writebuf(len);
|
||||
memcpy(buf, ev, sizeof(snd_seq_event_t));
|
||||
memcpy(buf + sizeof(snd_seq_event_t), ev->data.ext.ptr, ev->data.ext.len);
|
||||
memcpy(buf + EVENT_PACKET_SIZE, ev->data.ext.ptr, ev->data.ext.len);
|
||||
} else {
|
||||
buf = get_writebuf(sizeof(snd_seq_event_t));
|
||||
memcpy(buf, ev, sizeof(snd_seq_event_t));
|
||||
buf = get_writebuf(EVENT_PACKET_SIZE);
|
||||
memcpy(buf, ev, EVENT_PACKET_SIZE);
|
||||
}
|
||||
if (info)
|
||||
print_event(ev);
|
||||
snd_seq_free_event(ev);
|
||||
}
|
||||
flush_writebuf();
|
||||
|
@ -543,8 +579,8 @@ static int copy_remote_to_local(int fd)
|
|||
|
||||
while (count > 0) {
|
||||
ev = (snd_seq_event_t*)buf;
|
||||
buf += sizeof(snd_seq_event_t);
|
||||
count -= sizeof(snd_seq_event_t);
|
||||
buf += EVENT_PACKET_SIZE;
|
||||
count -= EVENT_PACKET_SIZE;
|
||||
if (snd_seq_ev_is_variable(ev) && ev->data.ext.len > 0) {
|
||||
ev->data.ext.ptr = buf;
|
||||
buf += ev->data.ext.len;
|
||||
|
@ -553,6 +589,8 @@ static int copy_remote_to_local(int fd)
|
|||
snd_seq_ev_set_direct(ev);
|
||||
snd_seq_ev_set_source(ev, seq_port);
|
||||
snd_seq_ev_set_subs(ev);
|
||||
if (info)
|
||||
print_event(ev);
|
||||
snd_seq_event_output(handle, ev);
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue