mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-10-29 05:40:25 -04:00
d3c5e9e009
We hide the internal data transfers using the data frames. Rename the snd_rawmidi_framing enum to snd_rawmidi_read_mode to make API more straight and understandable. Signed-off-by: Jaroslav Kysela <perex@perex.cz>
294 lines
7 KiB
C
294 lines
7 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
#include "../include/asoundlib.h"
|
|
#include <signal.h>
|
|
|
|
static void usage(void)
|
|
{
|
|
fprintf(stderr, "usage: rawmidi [options]\n");
|
|
fprintf(stderr, " options:\n");
|
|
fprintf(stderr, " -v: verbose mode\n");
|
|
fprintf(stderr, " -i device-id : test ALSA input device\n");
|
|
fprintf(stderr, " -o device-id : test ALSA output device\n");
|
|
fprintf(stderr, " -I node : test input node\n");
|
|
fprintf(stderr, " -O node : test output node\n");
|
|
fprintf(stderr, " -c clock : kernel clock type (0=none, 1=realtime, 2=monotonic, 3=monotonic raw)\n");
|
|
fprintf(stderr, " -t: test midi thru\n");
|
|
fprintf(stderr, " example:\n");
|
|
fprintf(stderr, " rawmidi -i hw:0,0 -O /dev/midi1\n");
|
|
fprintf(stderr, " tests input for card 0, device 0, using snd_rawmidi API\n");
|
|
fprintf(stderr, " and /dev/midi1 using file descriptors\n");
|
|
}
|
|
|
|
int stop=0;
|
|
|
|
void sighandler(int dum)
|
|
{
|
|
stop=1;
|
|
}
|
|
|
|
int main(int argc,char** argv)
|
|
{
|
|
int i;
|
|
int err;
|
|
int thru=0;
|
|
int verbose = 0;
|
|
char *device_in = NULL;
|
|
char *device_out = NULL;
|
|
char *node_in = NULL;
|
|
char *node_out = NULL;
|
|
int clock_type = -1;
|
|
|
|
int fd_in = -1,fd_out = -1;
|
|
snd_rawmidi_t *handle_in = 0,*handle_out = 0;
|
|
|
|
if (argc==1) {
|
|
usage();
|
|
exit(0);
|
|
}
|
|
|
|
for (i = 1 ; i<argc ; i++) {
|
|
if (argv[i][0]=='-') {
|
|
switch (argv[i][1]) {
|
|
case 'h':
|
|
usage();
|
|
break;
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case 't':
|
|
thru = 1;
|
|
break;
|
|
case 'c':
|
|
if (i + 1 < argc)
|
|
clock_type = atoi(argv[++i]);
|
|
break;
|
|
case 'i':
|
|
if (i + 1 < argc)
|
|
device_in = argv[++i];
|
|
break;
|
|
case 'I':
|
|
if (i + 1 < argc)
|
|
node_in = argv[++i];
|
|
break;
|
|
case 'o':
|
|
if (i + 1 < argc)
|
|
device_out = argv[++i];
|
|
break;
|
|
case 'O':
|
|
if (i + 1 < argc)
|
|
node_out = argv[++i];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (verbose) {
|
|
fprintf(stderr,"Using: \n");
|
|
fprintf(stderr,"Input: ");
|
|
if (device_in) {
|
|
fprintf(stderr,"device %s\n",device_in);
|
|
}else if (node_in){
|
|
fprintf(stderr,"%s\n",node_in);
|
|
}else{
|
|
fprintf(stderr,"NONE\n");
|
|
}
|
|
fprintf(stderr,"Output: ");
|
|
if (device_out) {
|
|
fprintf(stderr,"device %s\n",device_out);
|
|
}else if (node_out){
|
|
fprintf(stderr,"%s\n",node_out);
|
|
}else{
|
|
fprintf(stderr,"NONE\n");
|
|
}
|
|
}
|
|
|
|
if (device_in) {
|
|
err = snd_rawmidi_open(&handle_in,NULL,device_in,0);
|
|
if (err) {
|
|
fprintf(stderr,"snd_rawmidi_open %s failed: %d\n",device_in,err);
|
|
}
|
|
}
|
|
if (node_in && (!node_out || strcmp(node_out,node_in))) {
|
|
fd_in = open(node_in,O_RDONLY);
|
|
if (fd_in<0) {
|
|
fprintf(stderr,"open %s for input failed\n",node_in);
|
|
}
|
|
}
|
|
|
|
signal(SIGINT,sighandler);
|
|
|
|
if (device_out) {
|
|
err = snd_rawmidi_open(NULL,&handle_out,device_out,0);
|
|
if (err) {
|
|
fprintf(stderr,"snd_rawmidi_open %s failed: %d\n",device_out,err);
|
|
}
|
|
}
|
|
if (node_out && (!node_in || strcmp(node_out,node_in))) {
|
|
fd_out = open(node_out,O_WRONLY);
|
|
if (fd_out<0) {
|
|
fprintf(stderr,"open %s for output failed\n",node_out);
|
|
}
|
|
}
|
|
|
|
if (node_in && node_out && strcmp(node_out,node_in)==0) {
|
|
fd_in = fd_out = open(node_out,O_RDWR);
|
|
if (fd_out<0) {
|
|
fprintf(stderr,"open %s for input and output failed\n",node_out);
|
|
}
|
|
}
|
|
|
|
if (!thru) {
|
|
if (handle_in || fd_in!=-1) {
|
|
if (clock_type != -1) {
|
|
snd_rawmidi_params_t *params;
|
|
snd_rawmidi_params_malloc(¶ms);
|
|
if (!handle_in) {
|
|
fprintf(stderr, "-c only usable with -i");
|
|
clock_type = -1;
|
|
}
|
|
if (clock_type != -1) {
|
|
fprintf(stderr, "Enable kernel clock type %d\n", clock_type);
|
|
snd_rawmidi_params_current(handle_in, params);
|
|
err = snd_rawmidi_params_set_read_mode(handle_in, params, SND_RAWMIDI_READ_TSTAMP);
|
|
if (err) {
|
|
fprintf(stderr,"snd_rawmidi_params_set_read_mode failed: %d\n", err);
|
|
clock_type = -1;
|
|
}
|
|
}
|
|
if (clock_type != -1) {
|
|
err = snd_rawmidi_params_set_clock_type(handle_in, params, clock_type);
|
|
if (err) {
|
|
fprintf(stderr, "snd_rawmidi_params_set_clock_type failed: %d\n", err);
|
|
clock_type = -1;
|
|
}
|
|
}
|
|
if (clock_type != -1) {
|
|
err = snd_rawmidi_params(handle_in, params);
|
|
if (err) {
|
|
fprintf(stderr, "snd_rawmidi_params failed: %d\n", err);
|
|
clock_type = -1;
|
|
}
|
|
}
|
|
snd_rawmidi_params_free(params);
|
|
}
|
|
|
|
fprintf(stderr,"Read midi in\n");
|
|
fprintf(stderr,"Press ctrl-c to stop\n");
|
|
}
|
|
|
|
if (handle_in) {
|
|
unsigned char buf[1024];
|
|
ssize_t ret;
|
|
while (!stop) {
|
|
if (clock_type != -1) {
|
|
struct timespec tstamp;
|
|
ret = snd_rawmidi_tread(handle_in, &tstamp, buf, sizeof(buf));
|
|
if (ret < 0)
|
|
fprintf(stderr, "read timestamp error: %d - %s\n", (int)ret, snd_strerror(ret));
|
|
if (ret > 0 && verbose) {
|
|
fprintf(stderr, "read [%lld:%09lld]", (long long)tstamp.tv_sec, (long long)tstamp.tv_nsec);
|
|
for (i = 0; i < ret; i++)
|
|
fprintf(stderr, " %02x", buf[i]);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
} else {
|
|
ret = snd_rawmidi_read(handle_in, buf, sizeof(buf));
|
|
if (ret < 0)
|
|
fprintf(stderr, "read error: %d - %s\n", (int)ret, snd_strerror(ret));
|
|
if (ret > 0 && verbose)
|
|
for (i = 0; i < ret; i++)
|
|
fprintf(stderr,"read %02x\n",buf[i]);
|
|
}
|
|
}
|
|
}
|
|
if (fd_in!=-1) {
|
|
unsigned char ch;
|
|
while (!stop) {
|
|
read(fd_in,&ch,1);
|
|
if (verbose) {
|
|
fprintf(stderr,"read %02x\n",ch);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (handle_out || fd_out!=-1) {
|
|
fprintf(stderr,"Writing note on / note off\n");
|
|
}
|
|
|
|
if (handle_out) {
|
|
unsigned char ch;
|
|
ch=0x90; snd_rawmidi_write(handle_out,&ch,1);
|
|
ch=60; snd_rawmidi_write(handle_out,&ch,1);
|
|
ch=100; snd_rawmidi_write(handle_out,&ch,1);
|
|
snd_rawmidi_drain(handle_out);
|
|
sleep(1);
|
|
ch=0x90; snd_rawmidi_write(handle_out,&ch,1);
|
|
ch=60; snd_rawmidi_write(handle_out,&ch,1);
|
|
ch=0; snd_rawmidi_write(handle_out,&ch,1);
|
|
snd_rawmidi_drain(handle_out);
|
|
}
|
|
if (fd_out!=-1) {
|
|
unsigned char ch;
|
|
ch=0x90; write(fd_out,&ch,1);
|
|
ch=60; write(fd_out,&ch,1);
|
|
ch=100; write(fd_out,&ch,1);
|
|
sleep(1);
|
|
ch=0x90; write(fd_out,&ch,1);
|
|
ch=60; write(fd_out,&ch,1);
|
|
ch=0; write(fd_out,&ch,1);
|
|
}
|
|
} else {
|
|
if ((handle_in || fd_in!=-1) && (handle_out || fd_out!=-1)) {
|
|
if (verbose) {
|
|
fprintf(stderr,"Testing midi thru in\n");
|
|
}
|
|
while (!stop) {
|
|
unsigned char ch;
|
|
|
|
if (handle_in) {
|
|
snd_rawmidi_read(handle_in,&ch,1);
|
|
}
|
|
if (fd_in!=-1) {
|
|
read(fd_in,&ch,1);
|
|
}
|
|
if (verbose) {
|
|
fprintf(stderr,"thru: %02x\n",ch);
|
|
}
|
|
|
|
if (handle_out) {
|
|
snd_rawmidi_write(handle_out,&ch,1);
|
|
snd_rawmidi_drain(handle_out);
|
|
}
|
|
if (fd_out!=-1) {
|
|
write(fd_out,&ch,1);
|
|
}
|
|
}
|
|
}else{
|
|
fprintf(stderr,"Testing midi thru needs both input and output\n");
|
|
exit(-1);
|
|
}
|
|
}
|
|
|
|
if (verbose) {
|
|
fprintf(stderr,"Closing\n");
|
|
}
|
|
|
|
if (handle_in) {
|
|
snd_rawmidi_drain(handle_in);
|
|
snd_rawmidi_close(handle_in);
|
|
}
|
|
if (handle_out) {
|
|
snd_rawmidi_drain(handle_out);
|
|
snd_rawmidi_close(handle_out);
|
|
}
|
|
if (fd_in!=-1) {
|
|
close(fd_in);
|
|
}
|
|
if (fd_out!=-1) {
|
|
close(fd_out);
|
|
}
|
|
|
|
return 0;
|
|
}
|