MIDI In support set 2 (7/7)
Emmanuel Maillard
mahanuu at free.fr
Thu Apr 26 16:25:40 CDT 2007
Changelog :
- implement MIDIIn_Prepare and MIDIIn_Unprepare
-------------- next part --------------
From 4a02e60994c5769a33b6ae1961d3b0112a956b2b Mon Sep 17 00:00:00 2001
From: Emmanuel Maillard <mahanuu at free.fr>
Date: Thu, 26 Apr 2007 23:04:23 +0200
Subject: [PATCH] - implement MIDIIn_Prepare and MIDIIn_Unprepare
---
dlls/winecoreaudio.drv/midi.c | 53 +++++++++++++++++++++++++++++++++++++---
1 files changed, 49 insertions(+), 4 deletions(-)
diff --git a/dlls/winecoreaudio.drv/midi.c b/dlls/winecoreaudio.drv/midi.c
index 93a73de..91d1432 100644
--- a/dlls/winecoreaudio.drv/midi.c
+++ b/dlls/winecoreaudio.drv/midi.c
@@ -696,6 +696,52 @@ static DWORD MIDIIn_AddBuffer(WORD wDevI
return MMSYSERR_NOERROR;
}
+static DWORD MIDIIn_Prepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
+{
+ TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
+
+ if (wDevID >= MIDIIn_NumDevs) {
+ WARN("bad device ID : %d\n", wDevID);
+ return MMSYSERR_BADDEVICEID;
+ }
+ /* MS doc says that dwFlags must be set to zero, but (kinda funny) MS mciseq drivers
+ * asks to prepare MIDIHDR which dwFlags != 0.
+ * So at least check for the inqueue flag
+ */
+ if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
+ lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 ||
+ lpMidiHdr->dwBufferLength >= 0x10000ul) {
+ WARN("Invalid parameter %p %p %08x %d/%d\n", lpMidiHdr, lpMidiHdr->lpData,
+ lpMidiHdr->dwFlags, sizeof(MIDIHDR), dwSize);
+ return MMSYSERR_INVALPARAM;
+ }
+
+ lpMidiHdr->lpNext = 0;
+ lpMidiHdr->dwFlags |= MHDR_PREPARED;
+ lpMidiHdr->dwFlags &= ~MHDR_DONE;
+ return MMSYSERR_NOERROR;
+}
+
+static DWORD MIDIIn_Unprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
+{
+ TRACE("wDevID=%d lpMidiHdr=%p dwSize=%d\n", wDevID, lpMidiHdr, dwSize);
+ if (wDevID >= MIDIIn_NumDevs) {
+ WARN("bad device ID : %d\n", wDevID);
+ return MMSYSERR_BADDEVICEID;
+ }
+ if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0) {
+ WARN("Invalid Parameter\n");
+ return MMSYSERR_INVALPARAM;
+ }
+ if (lpMidiHdr->dwFlags & MHDR_INQUEUE) {
+ WARN("Still playing\n");
+ return MIDIERR_STILLPLAYING;
+ }
+
+ lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
+ return MMSYSERR_NOERROR;
+}
+
static DWORD MIDIIn_GetDevCaps(WORD wDevID, LPMIDIINCAPSW lpCaps, DWORD dwSize)
{
TRACE("wDevID=%d lpCaps=%p dwSize=%d\n", wDevID, lpCaps, dwSize);
@@ -897,11 +943,10 @@ DWORD WINAPI CoreAudio_midMessage(UINT w
case MIDM_ADDBUFFER:
return MIDIIn_AddBuffer(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_PREPARE:
+ return MIDIIn_Prepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
case MIDM_UNPREPARE:
- TRACE("Unsupported message\n");
- return MMSYSERR_NOTSUPPORTED;
-
- case MIDM_GETDEVCAPS:
+ return MIDIIn_Unprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2);
+ case MIDM_GETDEVCAPS:
return MIDIIn_GetDevCaps(wDevID, (LPMIDIINCAPSW) dwParam1, dwParam2);
case MIDM_GETNUMDEVS:
return MIDIIn_GetNumDevs();
--
1.4.4
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