mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-10-29 05:40:25 -04:00
Added rawmidi.c from maarten de boer <maarten.deboer@iua.upf.es>
This commit is contained in:
Jaroslav Kysela
parent
905555837b
commit
a9197441e0
2 changed files with 249 additions and 1 deletions
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@ -1,5 +1,5 @@
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check_PROGRAMS=control mixer switches pause pcm pcmtest latency seq \
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playmidi1 timer loopback
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playmidi1 timer loopback rawmidi
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control_LDADD=../src/libasound.la
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mixer_LDADD=../src/libasound.la
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@ -12,6 +12,7 @@ seq_LDADD=../src/libasound.la
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playmidi1_LDADD=../src/libasound.la
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timer_LDADD=../src/libasound.la
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loopback_LDADD=../src/libasound.la
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rawmidi_LDADD=../src/libasound.la
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INCLUDES=-I$(top_srcdir)/include
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CFLAGS=-static -Wall -pipe -g
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247
test/rawmidi.c
Normal file
247
test/rawmidi.c
Normal file
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@ -0,0 +1,247 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <sys/asoundlib.h>
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#include <signal.h>
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static void usage(void)
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{
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fprintf(stderr, "usage: rawmidi [options]\n");
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fprintf(stderr, " options:\n");
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fprintf(stderr, " -v: verbose mode\n");
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fprintf(stderr, " -i [ card-id device-id | node ] : test input device\n");
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fprintf(stderr, " -o [ card-id device-id | node ] : test output device\n");
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fprintf(stderr, " -t: test midi thru\n");
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fprintf(stderr, " example:\n");
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fprintf(stderr, " rawmidi -i 0 0 -o /dev/midi1\n");
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fprintf(stderr, " tests input for card 0, device 0, using snd_rawmidi API\n");
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fprintf(stderr, " and /dev/midi1 using file desciptors\n");
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}
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int stop=0;
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void sighandler(int dum)
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{
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stop=1;
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}
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int main(int argc,char** argv)
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{
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int i;
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int err;
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int thru=0;
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int verbose = 0;
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int card_in = -1,device_in = -1;
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int card_out = -1,device_out = -1;
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char* node_in = 0;
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char* node_out = 0;
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int fd_in = -1,fd_out = -1;
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snd_rawmidi_t *handle_in = 0,*handle_out = 0;
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if (argc==1) {
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usage();
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exit(0);
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}
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for (i = 1 ; i<argc ; i++) {
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if (argv[i][0]=='-') {
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switch (argv[i][1]) {
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case 'h':
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usage();
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break;
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case 'v':
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verbose = 1;
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break;
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case 't':
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thru = 1;
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break;
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case 'i':
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if (isdigit(argv[i+1][0])) {
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card_in = atoi(argv[i+1]);
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if (isdigit(argv[i+2][0])) {
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device_in = atoi(argv[i+2]);
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}else{
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fprintf(stderr,"Error: -i with card_id, but missing device id\n");
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exit(-1);
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}
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i+=2;
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}else{
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node_in = argv[i+1];
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i++;
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}
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break;
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case 'o':
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if (isdigit(argv[i+1][0])) {
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card_out = atoi(argv[i+1]);
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if (isdigit(argv[i+2][0])) {
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device_out = atoi(argv[i+2]);
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}else{
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fprintf(stderr,"Error: -i with card_id, but missing device id\n");
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exit(-1);
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}
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i+=2;
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}else{
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node_out = argv[i+1];
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i++;
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}
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break;
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}
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}
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}
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if (verbose) {
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fprintf(stderr,"Using: \n");
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fprintf(stderr,"Input: ");
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if (card_in!=-1) {
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fprintf(stderr,"card %d, device %d\n",card_in,device_in);
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}else if (node_in){
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fprintf(stderr,"%s\n",node_in);
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}else{
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fprintf(stderr,"NONE\n");
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}
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fprintf(stderr,"Output: ");
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if (card_out!=-1) {
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fprintf(stderr,"card %d, device %d\n",card_out,device_out);
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}else if (node_out){
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fprintf(stderr,"%s\n",node_out);
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}else{
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fprintf(stderr,"NONE\n");
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}
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}
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if (card_in!=-1) {
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err = snd_rawmidi_open(&handle_in,card_in,device_in,O_RDONLY);
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if (err) {
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fprintf(stderr,"snd_rawmidi_open %d %d failed: %d\n",card_in,device_in,err);
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}
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}
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if (node_in) {
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fd_in = open(node_in,O_RDONLY);
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if (err) {
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fprintf(stderr,"open %s for input failed\n",node_in);
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}
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}
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signal(SIGINT,sighandler);
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if (card_out!=-1) {
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err = snd_rawmidi_open(&handle_out,card_out,device_out,O_WRONLY);
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if (err) {
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fprintf(stderr,"snd_rawmidi_open %d %d failed: %d\n",card_out,device_out,err);
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}
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}
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if (node_out) {
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fd_out = open(node_out,O_WRONLY);
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if (err) {
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fprintf(stderr,"open %s for output failed\n",node_out);
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}
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}
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if (!thru) {
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if (handle_in || fd_in!=-1) {
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if (verbose) {
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fprintf(stderr,"Read midi in\n");
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}
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}
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if (handle_in) {
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unsigned char ch;
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while (!stop) {
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snd_rawmidi_read(handle_in,&ch,1);
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if (verbose) {
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fprintf(stderr,"read %02x\n",ch);
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}
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}
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}
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if (fd_in!=-1) {
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unsigned char ch;
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while (!stop) {
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read(fd_in,&ch,1);
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if (verbose) {
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fprintf(stderr,"read %02x\n",ch);
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}
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}
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}
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if (handle_out || fd_out!=-1) {
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if (verbose) {
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fprintf(stderr,"Writing note on / note off\n");
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}
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}
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if (handle_out) {
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unsigned char ch;
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ch=0x90; snd_rawmidi_write(handle_out,&ch,1);
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ch=60; snd_rawmidi_write(handle_out,&ch,1);
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ch=100; snd_rawmidi_write(handle_out,&ch,1);
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snd_rawmidi_output_flush(handle_in);
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sleep(1);
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ch=0x90; snd_rawmidi_write(handle_out,&ch,1);
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ch=60; snd_rawmidi_write(handle_out,&ch,1);
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ch=0; snd_rawmidi_write(handle_out,&ch,1);
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snd_rawmidi_output_flush(handle_out);
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}
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if (fd_out!=-1) {
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unsigned char ch;
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ch=0x90; write(fd_out,&ch,1);
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ch=60; write(fd_out,&ch,1);
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ch=100; write(fd_out,&ch,1);
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sleep(1);
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ch=0x90; write(fd_out,&ch,1);
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ch=60; write(fd_out,&ch,1);
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ch=0; write(fd_out,&ch,1);
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}
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} else {
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if ((handle_in || fd_in!=-1) && (handle_out || fd_out!=-1)) {
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if (verbose) {
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fprintf(stderr,"Testing midi thru in\n");
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}
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while (!stop) {
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unsigned char ch;
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if (handle_in) {
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snd_rawmidi_read(handle_in,&ch,1);
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}
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if (fd_in!=-1) {
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read(fd_in,&ch,1);
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}
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if (verbose) {
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fprintf(stderr,"thru: %02x\n",ch);
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}
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if (handle_out) {
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snd_rawmidi_write(handle_out,&ch,1);
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snd_rawmidi_output_flush(handle_out);
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}
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if (fd_out!=-1) {
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write(fd_out,&ch,1);
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}
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}
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}else{
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fprintf(stderr,"Testing midi thru needs both input and output\n");
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exit(-1);
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}
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}
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if (verbose) {
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fprintf(stderr,"Closing\n");
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}
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if (handle_in) {
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snd_rawmidi_output_flush(handle_in);
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snd_rawmidi_close(handle_in);
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}
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if (handle_out) {
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snd_rawmidi_output_flush(handle_in);
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snd_rawmidi_close(handle_in);
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}
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if (fd_in!=-1) {
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close(fd_in);
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}
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if (fd_out!=-1) {
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close(fd_out);
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}
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return 0;
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}
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