Changelog : Added Midi IN support to the ALSA driver.
Christian Costa titan.costa@xxxxxxxxxx
Index: midi.c
===================================================================
RCS file: /home/wine/wine/dlls/winmm/winealsa/midi.c,v
retrieving revision 1.5
diff -u -r1.5 midi.c
--- midi.c 8 Dec 2003 21:46:50 -0000 1.5
+++ midi.c 11 Jan 2004 18:42:47 -0000
@@ -96,8 +96,12 @@
static UINT midiInTimerID = 0;
static int numStartedMidiIn = 0;
-int port_in;
-int port_out;
+static int port_in;
+static int port_out;
+
+static int npfd;
+static int pfd_array_size = 0;
+static struct pollfd *pfd = NULL;
/*======================================================================*
* Low level MIDI implementation *
@@ -270,13 +274,106 @@
{
TRACE("(%p, %d, %d, %lu)\n", hwnd, msg, id, dwTime);
- while(snd_seq_event_input_pending(midiSeq, 0) > 0) {
+ npfd = snd_seq_poll_descriptors_count(midiSeq, POLLIN);
+ if (npfd > pfd_array_size)
+ {
+ if (pfd)
+ HeapFree(GetProcessHeap(), 0, pfd);
+ pfd = (struct pollfd *) HeapAlloc(GetProcessHeap(), 0, npfd * sizeof(struct pollfd));
+ }
+ snd_seq_poll_descriptors(midiSeq, pfd, npfd, POLLIN);
+
+ /* Check if a event is present */
+ if (poll(pfd, npfd, 0) <= 0) {
+ return;
+ }
+
+ /* Note: This definitely does not work.
+ * while(snd_seq_event_input_pending(midiSeq, 0) > 0) {
snd_seq_event_t* ev;
- TRACE("An event is pending\n");
snd_seq_event_input(midiSeq, &ev);
- TRACE("Event received, type = %d\n", ev->type);
+ ....................
snd_seq_free_event(ev);
- }
+ }*/
+
+ do {
+ WORD wDevID;
+ snd_seq_event_t* ev;
+ snd_seq_event_input(midiSeq, &ev);
+ /* Find the target device */
+ for (wDevID = 0; wDevID < MIDM_NumDevs; wDevID++)
+ if ( (ev->source.client == MidiInDev[wDevID].addr.client) && (ev->source.client == MidiInDev[wDevID].addr.client) )
+ break;
+ if (wDevID == MIDM_NumDevs)
+ FIXME("Unexpected event received, type = %x from %d:%d\n", ev->type, ev->source.client, ev->source.port);
+ else {
+ DWORD toSend = 0;
+ TRACE("Event received, type = %x, device = %d\n", ev->type, wDevID);
+ switch(ev->type)
+ {
+ case SND_SEQ_EVENT_NOTEOFF:
+ toSend = (ev->data.note.velocity << 16) | (ev->data.note.note << 8) | MIDI_CMD_NOTE_OFF | ev->data.control.channel;
+ break;
+ case SND_SEQ_EVENT_NOTEON:
+ toSend = (ev->data.note.velocity << 16) | (ev->data.note.note << 8) | MIDI_CMD_NOTE_ON | ev->data.control.channel;
+ break;
+ case SND_SEQ_EVENT_KEYPRESS:
+ toSend = (ev->data.note.velocity << 16) | (ev->data.note.note << 8) | MIDI_CMD_NOTE_PRESSURE | ev->data.control.channel;
+ break;
+ case SND_SEQ_EVENT_CONTROLLER:
+ toSend = (ev->data.control.value << 16) | (ev->data.control.param << 8) | MIDI_CMD_CONTROL | ev->data.control.channel;
+ break;
+ case SND_SEQ_EVENT_PITCHBEND:
+ toSend = (ev->data.control.value << 16) | (ev->data.control.param << 8) | MIDI_CMD_BENDER | ev->data.control.channel;
+ break;
+ case SND_SEQ_EVENT_PGMCHANGE:
+ toSend = (ev->data.control.value << 16) | (ev->data.control.param << 8) | MIDI_CMD_PGM_CHANGE | ev->data.control.channel;
+ break;
+ case SND_SEQ_EVENT_CHANPRESS:
+ toSend = (ev->data.control.value << 16) | (ev->data.control.param << 8) | MIDI_CMD_CHANNEL_PRESSURE | ev->data.control.channel;
+ break;
+ case SND_SEQ_EVENT_SYSEX:
+ {
+ int len = ev->data.ext.len;
+ LPBYTE ptr = (BYTE*) ev->data.ext.ptr;
+ LPMIDIHDR lpMidiHdr = MidiInDev[wDevID].lpQueueHdr;
+
+ /* FIXME: Should handle sysex greater that a single buffer */
+ if (lpMidiHdr) {
+ if (len <= lpMidiHdr->dwBufferLength) {
+ lpMidiHdr->dwBytesRecorded = len;
+ memcpy(lpMidiHdr->lpData, ptr, len);
+ lpMidiHdr = MidiInDev[wDevID].lpQueueHdr;
+ lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
+ lpMidiHdr->dwFlags |= MHDR_DONE;
+ MidiInDev[wDevID].lpQueueHdr = (LPMIDIHDR)lpMidiHdr->lpNext;
+ if (MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD)lpMidiHdr, dwTime) != MMSYSERR_NOERROR) {
+ WARN("Couldn't notify client\n");
+ }
+ } else
+ FIXME("No enough space in the buffer to store sysex!\n");
+ } else
+ FIXME("Sysex received but no buffer to store it!\n");
+ }
+ break;
+ case SND_SEQ_EVENT_SENSING:
+ /* Noting to do */
+ break;
+ default:
+ FIXME("Unhandled event received, type = %x\n", ev->type);
+ break;
+ }
+ if (toSend != 0) {
+ TRACE("Sending event %08lx (from %d %d)\n", toSend, ev->source.client, ev->source.port);
+ /* FIXME: Should use ev->time instead for better accuracy */
+ dwTime -= MidiInDev[wDevID].startTime;
+ if (MIDI_NotifyClient(wDevID, MIM_DATA, toSend, dwTime) != MMSYSERR_NOERROR) {
+ WARN("Couldn't notify client\n");
+ }
+ }
+ }
+ snd_seq_free_event(ev);
+ } while(snd_seq_event_input_pending(midiSeq, 0) > 0);
}
/**************************************************************************
