Akihiro Sagawa : winecoreaudio: Handle MIDI running status.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ee56317d9d08b659279c4157ff029954a662996f
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=ee56317d9d08b659279c4157ff029954a662996f

Author: Akihiro Sagawa <sagawa.aki at gmail.com>
Date:   Fri May 27 23:25:42 2022 +0900

winecoreaudio: Handle MIDI running status.

Signed-off-by: Akihiro Sagawa <sagawa.aki at gmail.com>
Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/winecoreaudio.drv/coremidi.c | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/dlls/winecoreaudio.drv/coremidi.c b/dlls/winecoreaudio.drv/coremidi.c
index bd5322cbc22..445b760be76 100644
--- a/dlls/winecoreaudio.drv/coremidi.c
+++ b/dlls/winecoreaudio.drv/coremidi.c
@@ -103,6 +103,7 @@ struct midi_dest
 
     MIDIOUTCAPSW caps;
     MIDIOPENDESC midiDesc;
+    BYTE runningStatus;
     WORD wFlags;
 };
 
@@ -598,6 +599,7 @@ static UINT midi_out_open(WORD dev_id, MIDIOPENDESC *midi_desc, UINT flags, stru
             return MMSYSERR_ERROR;
         }
     }
+    dest->runningStatus = 0;
     dest->wFlags = HIWORD(flags & CALLBACK_TYPEMASK);
     dest->midiDesc = *midi_desc;
 
@@ -655,12 +657,30 @@ static UINT midi_out_data(WORD dev_id, UINT data)
         WARN("bad device ID : %d\n", dev_id);
         return MMSYSERR_BADDEVICEID;
     }
+    dest = dests + dev_id;
 
     bytes[0] = data & 0xff;
-    bytes[1] = (data >> 8) & 0xff;
-    bytes[2] = (data >> 16) & 0xff;
+    if (bytes[0] & 0x80)
+    {
+        bytes[1] = (data >> 8) & 0xff;
+        bytes[2] = (data >> 16) & 0xff;
+        if (bytes[0] < 0xF0)
+            dest->runningStatus = bytes[0];
+        else if (bytes[0] <= 0xF7)
+            dest->runningStatus = 0;
+    }
+    else if (dest->runningStatus)
+    {
+        bytes[0] = dest->runningStatus;
+        bytes[1] = data & 0xff;
+        bytes[2] = (data >> 8) & 0xff;
+    }
+    else
+    {
+        FIXME("ooch %x\n", data);
+        return MMSYSERR_NOERROR;
+    }
 
-    dest = dests + dev_id;
     if (dest->caps.wTechnology == MOD_SYNTH)
     {
         sc = MusicDeviceMIDIEvent(dest->synth, bytes[0], bytes[1], bytes[2], 0);
@@ -726,6 +746,7 @@ static UINT midi_out_long_data(WORD dev_id, MIDIHDR *hdr, UINT hdr_size, struct
     else if (dest->caps.wTechnology == MOD_MIDIPORT)
         midi_send(midi_out_port, dest->dest, (UInt8 *)hdr->lpData, hdr->dwBufferLength);
 
+    dest->runningStatus = 0;
     hdr->dwFlags &= ~MHDR_INQUEUE;
     hdr->dwFlags |= MHDR_DONE;
 
@@ -866,6 +887,8 @@ static UINT midi_out_reset(WORD dev_id)
     }
     else FIXME("MOD_MIDIPORT\n");
 
+    dests[dev_id].runningStatus = 0;
+
     /* FIXME: the LongData buffers must also be returned to the app */
     return MMSYSERR_NOERROR;
 }