+ LPCDirectSoundBuffer This = (LPCDirectSoundBuffer)CONTAINING_RECORD(iface, CDirectSoundBuffer, lpVtbl);
+
+ if (!pDSBufferCaps)
+ {
+ /* invalid parameter */
+ return DSERR_INVALIDPARAM;
+ }
+
+ if (pDSBufferCaps->dwSize < sizeof(DSBCAPS))
+ {
+ /* invalid buffer size */
+ return DSERR_INVALIDPARAM;
+ }
+
+ /* get buffer details */
+ pDSBufferCaps->dwUnlockTransferRate = 0;
+ pDSBufferCaps->dwPlayCpuOverhead = 0;
+ pDSBufferCaps->dwSize = This->BufferSize;
+ pDSBufferCaps->dwFlags = This->dwFlags;
+
+ return DS_OK;