mirror of
https://github.com/thestk/stk
synced 2026-01-17 14:41:53 +00:00
Version 4.1.2
This commit is contained in:
Gary Scavone
committed by
Stephen Sinclair
Stephen Sinclair
parent
6e0d1955a8
commit
586b0add5f
189
src/RtMidi.cpp
189
src/RtMidi.cpp
@@ -33,7 +33,6 @@
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <iostream.h>
|
||||
|
||||
#define MIDI_BUFFER_SIZE 256
|
||||
int writeIndex;
|
||||
@@ -328,7 +327,7 @@ int RtMidi :: nextMessage()
|
||||
}
|
||||
|
||||
|
||||
#elif ( defined(__LINUX_OSS__) || defined(__LINUX_ALSA__) )
|
||||
#elif ( defined(__LINUX_OSS__) || defined(__LINUX_ALSA__) || defined(__LINUX_JACK__) )
|
||||
|
||||
#include <pthread.h>
|
||||
#include <sys/time.h>
|
||||
@@ -341,6 +340,11 @@ int RtMidi :: nextMessage()
|
||||
#include <errno.h>
|
||||
int midi_in;
|
||||
|
||||
#elif ( defined(__LINUX_ALSA__) || defined(__LINUX_JACK__) )
|
||||
|
||||
#include <alsa/asoundlib.h>
|
||||
snd_rawmidi_t *midi_in = 0;
|
||||
|
||||
#elif defined(__LINUX_OSS__)
|
||||
|
||||
#include <fcntl.h>
|
||||
@@ -350,11 +354,6 @@ int midi_in;
|
||||
#include <errno.h>
|
||||
int midi_in;
|
||||
|
||||
#else // __LINUX_ALSA__
|
||||
|
||||
#include <alsa/asoundlib.h>
|
||||
snd_rawmidi_t *midi_in = 0;
|
||||
|
||||
#endif
|
||||
|
||||
typedef unsigned char byte;
|
||||
@@ -389,7 +388,12 @@ void *midiInputThread(void *)
|
||||
|
||||
for (;;) {
|
||||
|
||||
#if defined(__LINUX_OSS__) || defined(__MIDIATOR__)
|
||||
#if ( defined(__LINUX_ALSA__) || defined(__LINUX_JACK__) )
|
||||
|
||||
if ((n = snd_rawmidi_read(midi_in, &newByte, 1)) == -1)
|
||||
fprintf(stderr, "RtMidi: Error reading ALSA raw MIDI data from device!\n");
|
||||
|
||||
#elif defined(__LINUX_OSS__) || defined(__MIDIATOR__)
|
||||
|
||||
// Normally, you should check the return value of this read() call.
|
||||
// A return of -1 usually indicates an error. However, for OSS
|
||||
@@ -397,11 +401,6 @@ void *midiInputThread(void *)
|
||||
|
||||
n = read(midi_in, &newByte, 1);
|
||||
|
||||
#else // ALSA_API
|
||||
|
||||
if ((n = snd_rawmidi_read(midi_in, &newByte, 1)) == -1)
|
||||
fprintf(stderr, "RtMidi: Error reading ALSA raw MIDI data from device!\n");
|
||||
|
||||
#endif
|
||||
|
||||
while (n > 0) {
|
||||
@@ -556,85 +555,7 @@ RtMidi :: RtMidi(int device)
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined(__LINUX_OSS__) // normal OSS setup
|
||||
|
||||
#define MAX_DEVICES 8
|
||||
#define MIDI_NAME "/dev/midi"
|
||||
|
||||
RtMidi :: RtMidi(int device)
|
||||
{
|
||||
char msg[256];
|
||||
char name[16];
|
||||
char deviceNames[MAX_DEVICES][16];
|
||||
midi_in = 0;
|
||||
|
||||
// /dev/midi should be a link to the default midi device under OSS
|
||||
strcpy(name, MIDI_NAME);
|
||||
|
||||
// The OSS API doesn't really give us a means for probing the
|
||||
// capabilities of devices. Thus, we'll just pursue a brute
|
||||
// force method of opening devices until we either find something
|
||||
// that doesn't complain or we have to give up. We'll start with
|
||||
// the default device, then try /dev/midi00, /dev/midi01, etc...
|
||||
int i, nDevices = 0;
|
||||
for ( i=0; i<MAX_DEVICES; i++ ) {
|
||||
if (i > 0) sprintf(name, "%s%d%d", MIDI_NAME, 0, i-1);
|
||||
midi_in = open(name, O_RDONLY | O_NONBLOCK, 0);
|
||||
if ( midi_in != -1 ) {
|
||||
strncpy( deviceNames[nDevices++], name, 16 );
|
||||
close( midi_in );
|
||||
}
|
||||
else if ( errno == EBUSY )
|
||||
fprintf(stderr,"RtMidi: MIDI device (%s) is busy and cannot be opened.\n", name);
|
||||
}
|
||||
|
||||
if (nDevices == 0) {
|
||||
sprintf(msg, "RtMidi: no OSS MIDI cards reported available.");
|
||||
handleError(msg, StkError::MIDI_SYSTEM);
|
||||
}
|
||||
|
||||
// Check device argument and print list if necessary.
|
||||
int deveyes;
|
||||
if ( device >= 0 && device < nDevices )
|
||||
deveyes = device;
|
||||
else if ( nDevices == 1 )
|
||||
deveyes = 0;
|
||||
else {
|
||||
// Invalid device argument ... print list.
|
||||
printf("\n");
|
||||
for ( i=0; i<nDevices; i++ )
|
||||
printf("MIDI Device %d: %s\n", i, deviceNames[i]);
|
||||
|
||||
char choice[16];
|
||||
deveyes = -1;
|
||||
while ( deveyes < 0 || deveyes >= nDevices ) {
|
||||
printf("\nType a MIDI device number from above: ");
|
||||
fgets(choice, 16, stdin);
|
||||
deveyes = atoi(choice);
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
midi_in = open(deviceNames[deveyes], O_RDONLY, 0);
|
||||
if ( midi_in == -1) {
|
||||
sprintf(msg, "RtMidi: Unable to open OSS device (%s) for MIDI input!",
|
||||
deviceNames[deveyes]);
|
||||
handleError(msg, StkError::MIDI_SYSTEM);
|
||||
}
|
||||
|
||||
// Set up the circular buffer for the MIDI input messages
|
||||
midiBuffer = new MIDIMESSAGE[MIDI_BUFFER_SIZE];
|
||||
readIndex = 0;
|
||||
writeIndex = 0;
|
||||
|
||||
int result = pthread_create(&midi_input_thread, NULL, midiInputThread, NULL);
|
||||
if (result) {
|
||||
sprintf(msg, "RtMidi: unable to create MIDI input thread.");
|
||||
handleError(msg, StkError::PROCESS_THREAD);
|
||||
}
|
||||
}
|
||||
|
||||
#else // ALSA_API
|
||||
#elif ( defined(__LINUX_ALSA__) || defined(__LINUX_JACK__) )
|
||||
|
||||
#define MAX_DEVICES 8
|
||||
|
||||
@@ -730,6 +651,84 @@ RtMidi :: RtMidi(int device)
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined(__LINUX_OSS__) // normal OSS setup
|
||||
|
||||
#define MAX_DEVICES 8
|
||||
#define MIDI_NAME "/dev/midi"
|
||||
|
||||
RtMidi :: RtMidi(int device)
|
||||
{
|
||||
char msg[256];
|
||||
char name[16];
|
||||
char deviceNames[MAX_DEVICES][16];
|
||||
midi_in = 0;
|
||||
|
||||
// /dev/midi should be a link to the default midi device under OSS
|
||||
strcpy(name, MIDI_NAME);
|
||||
|
||||
// The OSS API doesn't really give us a means for probing the
|
||||
// capabilities of devices. Thus, we'll just pursue a brute
|
||||
// force method of opening devices until we either find something
|
||||
// that doesn't complain or we have to give up. We'll start with
|
||||
// the default device, then try /dev/midi00, /dev/midi01, etc...
|
||||
int i, nDevices = 0;
|
||||
for ( i=0; i<MAX_DEVICES; i++ ) {
|
||||
if (i > 0) sprintf(name, "%s%d%d", MIDI_NAME, 0, i-1);
|
||||
midi_in = open(name, O_RDONLY | O_NONBLOCK, 0);
|
||||
if ( midi_in != -1 ) {
|
||||
strncpy( deviceNames[nDevices++], name, 16 );
|
||||
close( midi_in );
|
||||
}
|
||||
else if ( errno == EBUSY )
|
||||
fprintf(stderr,"RtMidi: MIDI device (%s) is busy and cannot be opened.\n", name);
|
||||
}
|
||||
|
||||
if (nDevices == 0) {
|
||||
sprintf(msg, "RtMidi: no OSS MIDI cards reported available.");
|
||||
handleError(msg, StkError::MIDI_SYSTEM);
|
||||
}
|
||||
|
||||
// Check device argument and print list if necessary.
|
||||
int deveyes;
|
||||
if ( device >= 0 && device < nDevices )
|
||||
deveyes = device;
|
||||
else if ( nDevices == 1 )
|
||||
deveyes = 0;
|
||||
else {
|
||||
// Invalid device argument ... print list.
|
||||
printf("\n");
|
||||
for ( i=0; i<nDevices; i++ )
|
||||
printf("MIDI Device %d: %s\n", i, deviceNames[i]);
|
||||
|
||||
char choice[16];
|
||||
deveyes = -1;
|
||||
while ( deveyes < 0 || deveyes >= nDevices ) {
|
||||
printf("\nType a MIDI device number from above: ");
|
||||
fgets(choice, 16, stdin);
|
||||
deveyes = atoi(choice);
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
midi_in = open(deviceNames[deveyes], O_RDONLY, 0);
|
||||
if ( midi_in == -1) {
|
||||
sprintf(msg, "RtMidi: Unable to open OSS device (%s) for MIDI input!",
|
||||
deviceNames[deveyes]);
|
||||
handleError(msg, StkError::MIDI_SYSTEM);
|
||||
}
|
||||
|
||||
// Set up the circular buffer for the MIDI input messages
|
||||
midiBuffer = new MIDIMESSAGE[MIDI_BUFFER_SIZE];
|
||||
readIndex = 0;
|
||||
writeIndex = 0;
|
||||
|
||||
int result = pthread_create(&midi_input_thread, NULL, midiInputThread, NULL);
|
||||
if (result) {
|
||||
sprintf(msg, "RtMidi: unable to create MIDI input thread.");
|
||||
handleError(msg, StkError::PROCESS_THREAD);
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
RtMidi :: ~RtMidi()
|
||||
@@ -740,11 +739,11 @@ RtMidi :: ~RtMidi()
|
||||
#if defined(__MIDIATOR__)
|
||||
tcdrain(midi_in);
|
||||
if (midi_in != 0) close(midi_in);
|
||||
#elif defined(__LINUX_OSS__)
|
||||
if (midi_in != 0) close(midi_in);
|
||||
#else // ALSA_API
|
||||
#elif ( defined(__LINUX_ALSA__) || defined(__LINUX_JACK__) )
|
||||
if (midi_in != 0)
|
||||
snd_rawmidi_close(midi_in);
|
||||
#elif defined(__LINUX_OSS__)
|
||||
if (midi_in != 0) close(midi_in);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user