From dfdb7c479792d1985122b59c809e10a109c593c3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Albert=20Gr=C3=A4f?= <aggraef@gmail.com>
Date: Thu, 3 Sep 2020 15:37:20 +0200
Subject: [PATCH] mingw64 fixes: portmidi (64 bit issues).

---
 pd/portmidi/pm_win/pmwinmm.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/pd/portmidi/pm_win/pmwinmm.c b/pd/portmidi/pm_win/pmwinmm.c
index ab66f80dc..d76fb7ab0 100755
--- a/pd/portmidi/pm_win/pmwinmm.c
+++ b/pd/portmidi/pm_win/pmwinmm.c
@@ -38,11 +38,11 @@
 
 /* callback routines */
 static void CALLBACK winmm_in_callback(HMIDIIN hMidiIn,
-                                       WORD wMsg, DWORD dwInstance, 
-                                       DWORD dwParam1, DWORD dwParam2);
+                                       WORD wMsg, DWORD_PTR dwInstance, 
+                                       DWORD_PTR dwParam1, DWORD_PTR dwParam2);
 static void CALLBACK winmm_streamout_callback(HMIDIOUT hmo, UINT wMsg,
-                                              DWORD dwInstance, DWORD dwParam1, 
-                                              DWORD dwParam2);
+                                              DWORD_PTR dwInstance, DWORD_PTR dwParam1, 
+                                              DWORD_PTR dwParam2);
 #ifdef USE_SYSEX_BUFFERS
 static void CALLBACK winmm_out_callback(HMIDIOUT hmo, UINT wMsg,
                                         DWORD dwInstance, DWORD dwParam1, 
@@ -667,9 +667,9 @@ static PmError winmm_in_close(PmInternal *midi)
 static void FAR PASCAL winmm_in_callback(
     HMIDIIN hMidiIn,    /* midiInput device Handle */
     WORD wMsg,          /* midi msg */
-    DWORD dwInstance,   /* application data */
-    DWORD dwParam1,     /* MIDI data */
-    DWORD dwParam2)    /* device timestamp (wrt most recent midiInStart) */
+    DWORD_PTR dwInstance,   /* application data */
+    DWORD_PTR dwParam1,     /* MIDI data */
+    DWORD_PTR dwParam2)    /* device timestamp (wrt most recent midiInStart) */
 {
     static int entry = 0;
     PmInternal *midi = (PmInternal *) dwInstance;
@@ -1328,7 +1328,7 @@ static void CALLBACK winmm_out_callback(HMIDIOUT hmo, UINT wMsg,
 
 /* winmm_streamout_callback -- unprepare (free) buffer header */
 static void CALLBACK winmm_streamout_callback(HMIDIOUT hmo, UINT wMsg,
-        DWORD dwInstance, DWORD dwParam1, DWORD dwParam2)
+        DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 {
     PmInternal *midi = (PmInternal *) dwInstance;
     midiwinmm_type m = (midiwinmm_type) midi->descriptor;
-- 
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