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-rw-r--r--desiredata/src/s_midi_oss.c136
1 files changed, 39 insertions, 97 deletions
diff --git a/desiredata/src/s_midi_oss.c b/desiredata/src/s_midi_oss.c
index f4a7cce1..4eef3e7e 100644
--- a/desiredata/src/s_midi_oss.c
+++ b/desiredata/src/s_midi_oss.c
@@ -14,13 +14,11 @@
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
-#include "m_pd.h"
+#include "desire.h"
#include "s_stuff.h"
-static int oss_nmidiin;
-static int oss_midiinfd[MAXMIDIINDEV];
-static int oss_nmidiout;
-static int oss_midioutfd[MAXMIDIOUTDEV];
+static int oss_nmidiin; static int oss_midiinfd [MAXMIDIINDEV];
+static int oss_nmidiout; static int oss_midioutfd[MAXMIDIOUTDEV];
static void oss_midiout(int fd, int n) {
char b = n;
@@ -28,68 +26,38 @@ static void oss_midiout(int fd, int n) {
}
#define O_MIDIFLAG O_NDELAY
+#define SETALARM sys_setalarm(1000000)
+#define ERR(mode) do {if (sys_verbose) error("device %d: tried %s %s; returned %d", devno, namebuf, mode, fd);} while (0)
void sys_do_open_midi(int nmidiin, int *midiinvec, int nmidiout, int *midioutvec) {
- int i;
- for (i = 0; i < nmidiout; i++) oss_midioutfd[i] = -1;
- for (i = 0, oss_nmidiin = 0; i < nmidiin; i++) {
- int fd = -1, j, outdevindex = -1;
+ for (int i=0; i<nmidiout; i++) oss_midioutfd[i] = -1;
+ oss_nmidiin = 0;
+ for (int i=0; i<nmidiin; i++) {
+ int fd = -1, outdevindex = -1;
char namebuf[80];
int devno = midiinvec[i];
- for (j = 0; j < nmidiout; j++) if (midioutvec[j] == midiinvec[i]) outdevindex = j;
+ for (int j=0; j<nmidiout; j++) if (midioutvec[j]==midiinvec[i]) outdevindex=j;
/* try to open the device for read/write. */
- if (devno == 0 && fd < 0 && outdevindex >= 0) {
- sys_setalarm(1000000); fd = open("/dev/midi", O_RDWR | O_MIDIFLAG);
- if (sys_verbose) error("device 1: tried /dev/midi READ/WRITE; returned %d", fd);
- if (outdevindex >= 0 && fd >= 0) oss_midioutfd[outdevindex] = fd;
- }
- if (fd < 0 && outdevindex >= 0) {
- sprintf(namebuf, "/dev/midi%2.2d", devno);
- sys_setalarm(1000000); fd = open(namebuf, O_RDWR | O_MIDIFLAG);
- if (sys_verbose) error("device %d: tried %s READ/WRITE; returned %d", devno, namebuf, fd);
- if (outdevindex >= 0 && fd >= 0) oss_midioutfd[outdevindex] = fd;
- }
- if (fd < 0 && outdevindex >= 0) {
- sprintf(namebuf, "/dev/midi%d", devno);
- sys_setalarm(1000000); fd = open(namebuf, O_RDWR | O_MIDIFLAG);
- if (sys_verbose) error("device %d: tried %s READ/WRITE; returned %d", devno, namebuf, fd);
- if (outdevindex >= 0 && fd >= 0) oss_midioutfd[outdevindex] = fd;
- }
- if (devno == 1 && fd < 0) {
- sys_setalarm(1000000); fd = open("/dev/midi", O_RDONLY | O_MIDIFLAG);
- if (sys_verbose) error("device 1: tried /dev/midi READONLY; returned %d", fd);
- }
- if (fd < 0) {
- sprintf(namebuf, "/dev/midi%2.2d", devno);
- sys_setalarm(1000000); fd = open(namebuf, O_RDONLY | O_MIDIFLAG);
- if (sys_verbose) error("device %d: tried %s READONLY; returned %d", devno, namebuf, fd);
- }
- if (fd < 0) {
- sprintf(namebuf, "/dev/midi%d", devno);
- sys_setalarm(1000000); fd = open(namebuf, O_RDONLY | O_MIDIFLAG);
- if (sys_verbose) error("device %d: tried %s READONLY; returned %d", devno, namebuf, fd);
- }
+ if (outdevindex>=0) {
+ if (devno==0 && fd<0) {strcat(namebuf, "/dev/midi"); SETALARM; fd = open(namebuf, O_RDWR | O_MIDIFLAG); ERR("READ/WRITE");}
+ if (fd<0) {sprintf(namebuf, "/dev/midi%2.2d", devno); SETALARM; fd = open(namebuf, O_RDWR | O_MIDIFLAG); ERR("READ/WRITE");}
+ if (fd<0) {sprintf(namebuf, "/dev/midi%d", devno); SETALARM; fd = open(namebuf, O_RDWR | O_MIDIFLAG); ERR("READ/WRITE");}
+ }
+ if (outdevindex >= 0 && fd >= 0) oss_midioutfd[outdevindex] = fd;
+ if (devno==1 && fd<0) {strcpy(namebuf,"/dev/midi"); SETALARM; fd = open(namebuf, O_RDONLY | O_MIDIFLAG); ERR("READONLY");}
+ if (fd < 0) {sprintf(namebuf, "/dev/midi%2.2d", devno); SETALARM; fd = open(namebuf, O_RDONLY | O_MIDIFLAG); ERR("READONLY");}
+ if (fd < 0) {sprintf(namebuf, "/dev/midi%d", devno); SETALARM; fd = open(namebuf, O_RDONLY | O_MIDIFLAG); ERR("READONLY");}
if (fd >= 0) oss_midiinfd[oss_nmidiin++] = fd;
else post("couldn't open MIDI input device %d", devno);
}
- for (i = 0, oss_nmidiout = 0; i < nmidiout; i++) {
+ oss_nmidiout = 0;
+ for (int i=0; i<nmidiout; i++) {
int fd = oss_midioutfd[i];
char namebuf[80];
int devno = midioutvec[i];
- if (devno == 1 && fd < 0) {
- sys_setalarm(1000000); fd = open("/dev/midi", O_WRONLY | O_MIDIFLAG);
- if (sys_verbose) error("device 1: tried /dev/midi WRITEONLY; returned %d", fd);
- }
- if (fd < 0) {
- sprintf(namebuf, "/dev/midi%2.2d", devno);
- sys_setalarm(1000000); fd = open(namebuf, O_WRONLY | O_MIDIFLAG);
- if (sys_verbose) error("device %d: tried %s WRITEONLY; returned %d", devno, namebuf, fd);
- }
- if (fd < 0) {
- sprintf(namebuf, "/dev/midi%d", devno);
- sys_setalarm(1000000); fd = open(namebuf, O_WRONLY | O_MIDIFLAG);
- if (sys_verbose) error("device %d: tried %s WRITEONLY; returned %d", devno, namebuf, fd);
- }
+ if (devno==1 && fd<0) {strcpy(namebuf,"/dev/midi"); SETALARM; fd = open(namebuf, O_WRONLY | O_MIDIFLAG); ERR("WRITEONLY");}
+ if (fd<0) {sprintf(namebuf,"/dev/midi%2.2d", devno); SETALARM; fd = open(namebuf, O_WRONLY | O_MIDIFLAG); ERR("WRITEONLY");}
+ if (fd<0) {sprintf(namebuf,"/dev/midi%d", devno); SETALARM; fd = open(namebuf, O_WRONLY | O_MIDIFLAG); ERR("WRITEONLY");}
if (fd >= 0) oss_midioutfd[oss_nmidiout++] = fd;
else post("couldn't open MIDI output device %d", devno);
}
@@ -102,20 +70,10 @@ void sys_do_open_midi(int nmidiin, int *midiinvec, int nmidiout, int *midioutvec
void sys_putmidimess(int portno, int a, int b, int c) {
if (portno >= 0 && portno < oss_nmidiout) {
- switch (md_msglen(a)) {
- case 2:
- oss_midiout(oss_midioutfd[portno],a);
- oss_midiout(oss_midioutfd[portno],b);
- oss_midiout(oss_midioutfd[portno],c);
- return;
- case 1:
- oss_midiout(oss_midioutfd[portno],a);
- oss_midiout(oss_midioutfd[portno],b);
- return;
- case 0:
- oss_midiout(oss_midioutfd[portno],a);
- return;
- }
+ int n=md_msglen(a); /* 0..2 */
+ if (n>=0) oss_midiout(oss_midioutfd[portno],a);
+ if (n>=1) oss_midiout(oss_midioutfd[portno],b);
+ if (n>=2) oss_midiout(oss_midioutfd[portno],c);
}
}
@@ -188,44 +146,28 @@ void midi_oss_init() {
int fd;
char namebuf[80];
oss_nmidiindevs = i;
- /* try to open the device for reading */
- if (i == 0) {
- fd = open("/dev/midi", O_RDONLY | O_NDELAY);
- if (fd >= 0) {close(fd); continue;}
- }
- sprintf(namebuf, "/dev/midi%2.2d", i);
- fd = open(namebuf, O_RDONLY | O_NDELAY);
- if (fd >= 0) {close(fd); continue;}
- sprintf(namebuf, "/dev/midi%d", i);
- fd = open(namebuf, O_RDONLY | O_NDELAY);
- if (fd >= 0) {close(fd); continue;}
+ if (i == 0) {fd = open("/dev/midi", O_RDONLY | O_NDELAY); if (fd>=0) {close(fd); continue;}}
+ sprintf(namebuf, "/dev/midi%2.2d", i); fd = open(namebuf, O_RDONLY | O_NDELAY); if (fd>=0) {close(fd); continue;}
+ sprintf(namebuf, "/dev/midi%d", i); fd = open(namebuf, O_RDONLY | O_NDELAY); if (fd>=0) {close(fd); continue;}
break;
}
for (int i=0; i<NSEARCH; i++) {
int fd;
char namebuf[80];
oss_nmidioutdevs = i;
- /* try to open the device for writing */
- if (i == 0) {
- fd = open("/dev/midi", O_WRONLY | O_NDELAY);
- if (fd >= 0) {close(fd); continue;}
- }
- sprintf(namebuf, "/dev/midi%2.2d", i);
- fd = open(namebuf, O_WRONLY | O_NDELAY);
- if (fd >= 0) {close(fd); continue;}
- sprintf(namebuf, "/dev/midi%d", i);
- fd = open(namebuf, O_WRONLY | O_NDELAY);
- if (fd >= 0) {close(fd); continue;}
+ if (i == 0) {fd = open("/dev/midi", O_WRONLY|O_NDELAY); if (fd>=0) {close(fd); continue;}}
+ sprintf(namebuf, "/dev/midi%2.2d", i); fd = open(namebuf, O_WRONLY|O_NDELAY); if (fd>=0) {close(fd); continue;}
+ sprintf(namebuf, "/dev/midi%d", i); fd = open(namebuf, O_WRONLY|O_NDELAY); if (fd>=0) {close(fd); continue;}
break;
}
}
void midi_getdevs(char *indevlist, int *nindevs, char *outdevlist, int *noutdevs, int maxndev, int devdescsize) {
- int i, ndev;
- if ((ndev = oss_nmidiindevs) > maxndev) ndev = maxndev;
- for (i = 0; i < ndev; i++) sprintf(indevlist + i * devdescsize, "OSS MIDI device #%d", i+1);
+ int ndev;
+ ndev = min(maxndev, oss_nmidiindevs);
+ for (int i=0; i<ndev; i++) sprintf( indevlist + i*devdescsize, "OSS MIDI device #%d", i+1);
*nindevs = ndev;
- if ((ndev = oss_nmidioutdevs) > maxndev) ndev = maxndev;
- for (i = 0; i < ndev; i++) sprintf(outdevlist + i * devdescsize, "OSS MIDI device #%d", i+1);
+ ndev = min(maxndev,oss_nmidioutdevs);
+ for (int i=0; i<ndev; i++) sprintf(outdevlist + i*devdescsize, "OSS MIDI device #%d", i+1);
*noutdevs = ndev;
}
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