Andrew Eikum : winmm: Accept open handles in wave{In,Out}GetDevCaps.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ae13a279e1994268638caae7043e08076facc1a2
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=ae13a279e1994268638caae7043e08076facc1a2

Author: Andrew Eikum <aeikum at codeweavers.com>
Date:   Fri May  8 08:45:57 2020 -0500

winmm: Accept open handles in wave{In,Out}GetDevCaps.

Based on a patch by Changping Yu <dead.ash at hotmail.com>.

Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/winmm/waveform.c | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/dlls/winmm/waveform.c b/dlls/winmm/waveform.c
index b08768577b..39461743c4 100644
--- a/dlls/winmm/waveform.c
+++ b/dlls/winmm/waveform.c
@@ -2669,10 +2669,18 @@ UINT WINAPI waveOutGetDevCapsW(UINT_PTR uDeviceID, LPWAVEOUTCAPSW lpCaps,
 
         caps = &mapper_caps;
     }else{
-        if(uDeviceID >= g_outmmdevices_count)
-            return MMSYSERR_BADDEVICEID;
+        if(uDeviceID >= g_outmmdevices_count){
+            WINMM_Device *device = WINMM_GetDeviceFromHWAVE((HWAVE)uDeviceID);
+
+            if(!WINMM_ValidateAndLock(device))
+                return MMSYSERR_BADDEVICEID;
+
+            caps = &device->parent->out_caps;
 
-        caps = &read_map(g_out_map, uDeviceID)->out_caps;
+            LeaveCriticalSection(&device->lock);
+        }else{
+            caps = &read_map(g_out_map, uDeviceID)->out_caps;
+        }
     }
 
     memcpy(lpCaps, caps, min(uSize, sizeof(*lpCaps)));
@@ -3336,10 +3344,18 @@ UINT WINAPI waveInGetDevCapsW(UINT_PTR uDeviceID, LPWAVEINCAPSW lpCaps, UINT uSi
 
         caps = &mapper_caps;
     }else{
-        if(uDeviceID >= g_inmmdevices_count)
-            return MMSYSERR_BADDEVICEID;
+        if(uDeviceID >= g_inmmdevices_count){
+            WINMM_Device *device = WINMM_GetDeviceFromHWAVE((HWAVE)uDeviceID);
+
+            if(!WINMM_ValidateAndLock(device))
+                return MMSYSERR_BADDEVICEID;
+
+            caps = &device->parent->in_caps;
 
-        caps = &read_map(g_in_map, uDeviceID)->in_caps;
+            LeaveCriticalSection(&device->lock);
+        }else{
+            caps = &read_map(g_in_map, uDeviceID)->in_caps;
+        }
     }
 
     memcpy(lpCaps, caps, min(uSize, sizeof(*lpCaps)));