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authorNicolas Noble2002-05-16 19:04:38 +0000
committerNicolas Noble2002-05-16 19:04:38 +0000
commit9236c4f90577615afd5158d0c09055f7ae883ea5 (patch)
tree39a87c88635779105d08ad12cdcebc8777e8a2a0 /sound
parentdb4e603fdef642aafc5bc52e267f1fb12a8bfe37 (diff)
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Cleaning up a little the ALSA driver, and removed the 'old beast': the old TiMidity code.
svn-id: r4344
Diffstat (limited to 'sound')
-rw-r--r--sound/mididrv.cpp122
1 files changed, 34 insertions, 88 deletions
diff --git a/sound/mididrv.cpp b/sound/mididrv.cpp
index 4dfda237e6..fd25a4ab84 100644
--- a/sound/mididrv.cpp
+++ b/sound/mididrv.cpp
@@ -26,6 +26,8 @@
* QuickTime support by Florent Boudet <flobo@ifrance.com>
* Raw output support by Michael Pearce
* MorphOS support by Ruediger Hanke
+ * Alsa support by Nicolas Noble <nicolas@nobis-crew.org> copied from
+ * both the QuickTime support and (vkeybd http://www.alsa-project.org/~iwai/alsa.html)
*/
#include "stdafx.h"
@@ -1469,25 +1471,6 @@ void MidiDriver_MIDIEMU::midi_fm_endnote(int voice) {
#define ADDR_DELIM ".:"
-static int parse_addr(char *arg, int *client, int *port)
-{
- char *p;
-
- if (isdigit(*arg)) {
- if ((p = strpbrk(arg, ADDR_DELIM)) == NULL)
- return -1;
- *client = atoi(arg);
- *port = atoi(p + 1);
- } else {
- if (*arg == 's' || *arg == 'S') {
- *client = SND_SEQ_ADDRESS_SUBSCRIBERS;
- *port = 0;
- } else
- return -1;
- }
- return 0;
-}
-
class MidiDriver_ALSA : public MidiDriver {
public:
MidiDriver_ALSA();
@@ -1506,10 +1489,29 @@ private:
snd_seq_t *seq_handle;
int seq_client, seq_port;
int my_client, my_port;
+ static int parse_addr(char *arg, int *client, int *port);
};
-MidiDriver_ALSA::MidiDriver_ALSA() {
- printf("Driver: ALSA\n");
+MidiDriver_ALSA::MidiDriver_ALSA() : _mode(0), seq_handle(0), seq_client(0), seq_port(0), my_client(0), my_port(0) {
+}
+
+int MidiDriver_ALSA::parse_addr(char *arg, int *client, int *port)
+{
+ char *p;
+
+ if (isdigit(*arg)) {
+ if ((p = strpbrk(arg, ADDR_DELIM)) == NULL)
+ return -1;
+ *client = atoi(arg);
+ *port = atoi(p + 1);
+ } else {
+ if (*arg == 's' || *arg == 'S') {
+ *client = SND_SEQ_ADDRESS_SUBSCRIBERS;
+ *port = 0;
+ } else
+ return -1;
+ }
+ return 0;
}
void MidiDriver_ALSA::send_event(int do_flush)
@@ -1530,6 +1532,7 @@ int MidiDriver_ALSA::open(int mode) {
if (_mode != 0)
return MERR_ALREADY_OPEN;
_mode=mode;
+
if (mode!=MO_SIMPLE) return MERR_STREAMING_NOT_AVAILABLE;
if (!(var = getenv("SCUMMVM_PORT"))) {
@@ -1585,13 +1588,15 @@ void MidiDriver_ALSA::send(uint32 b)
{
unsigned int midiCmd[4];
ev.type = SND_SEQ_EVENT_OSS;
- ev.data.raw8.d[0] = b;
midiCmd[3] = (b & 0xFF000000) >> 24;
midiCmd[2] = (b & 0x00FF0000) >> 16;
midiCmd[1] = (b & 0x0000FF00) >> 8;
midiCmd[0] = (b & 0x000000FF);
-
+ ev.data.raw32.d[0] = midiCmd[0];
+ ev.data.raw32.d[1] = midiCmd[1];
+ ev.data.raw32.d[2] = midiCmd[2];
+
unsigned char chanID = midiCmd[0] & 0x0F;
switch (midiCmd[0] & 0xF0) {
case 0x80:
@@ -1602,8 +1607,8 @@ void MidiDriver_ALSA::send(uint32 b)
snd_seq_ev_set_noteon(&ev, chanID, midiCmd[1], midiCmd[2]);
send_event(1);
break;
-
- case 0xB0: // Effect
+ case 0xB0:
+ /* is it this simple ? Wow... */
snd_seq_ev_set_controller(&ev, chanID, midiCmd[1], midiCmd[2]);
send_event(1);
break;
@@ -1612,7 +1617,7 @@ void MidiDriver_ALSA::send(uint32 b)
send_event(0);
break;
- case 0xE0:{ // Pitch bend
+ case 0xE0:{
long theBend =
((((long)midiCmd[1] + (long)(midiCmd[2] << 8))) - 0x4000) / 4;
snd_seq_ev_set_pitchbend(&ev, chanID, theBend);
@@ -1622,12 +1627,15 @@ void MidiDriver_ALSA::send(uint32 b)
default:
error("Unknown Command: %08x\n", (int)b);
+ /* I don't know if this works but, well... */
+ send_event(1);
break;
}
}
void MidiDriver_ALSA::pause(bool pause) {
if (_mode == MO_STREAMING) {
+ /* Err... and what? */
}
}
@@ -1641,65 +1649,3 @@ MidiDriver *MidiDriver_ALSA_create() {
}
#endif
-
-
-#if 0
-
-/* Old code for timidity support, maybe somebody can rewrite this for the
- new midi driver system?
- */
-
-
-/*********** Timidity */
-int MidiDriver::connect_to_timidity(int port)
-{
- int s = 0;
-#if !defined(macintosh) && !defined(__MORPHOS__) // No socket support on Apple Carbon or Morphos
- struct hostent *serverhost;
- struct sockaddr_in sadd;
-
- serverhost = gethostbyname("localhost");
- if (serverhost == NULL)
- error("Could not resolve Timidity host ('localhost')");
-
- sadd.sin_family = serverhost->h_addrtype;
- sadd.sin_port = htons(port);
- memcpy(&(sadd.sin_addr), serverhost->h_addr_list[0], serverhost->h_length);
-
- s = socket(AF_INET, SOCK_STREAM, 0);
- if (s < 0)
- error("Could not open Timidity socket");
-
- if (connect(s, (struct sockaddr *)&sadd, sizeof(struct sockaddr_in)) < 0)
- error("Could not connect to Timidity server");
-#endif
- return s;
-}
-
-void MidiDriver::midiInitTimidity()
-{
- int s, s2;
- int len;
- int dummy, newport;
- char buf[256];
-
- s = connect_to_timidity(7777);
- len = read(s, buf, 256); // buf[len] = '\0'; printf("%s", buf);
- sprintf(buf, "SETBUF %f %f\n", 0.1, 0.15);
- write(s, buf, strlen(buf));
- len = read(s, buf, 256); // buf[len] = '\0'; printf("%s", buf);
-
- sprintf(buf, "OPEN lsb\n");
- write(s, buf, strlen(buf));
- len = read(s, buf, 256); // buf[len] = '\0'; printf("%s", buf);
-
- sscanf(buf, "%d %d", &dummy, &newport);
- printf(" => port = %d\n", newport);
-
- s2 = connect_to_timidity(newport);
- _mo = (void *)s2;
-}
-
-
-#endif /* 0 */
-