initial commit-moved from vulkan_guide

third_party/SDL/src/audio/os2/SDL_os2audio.h

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+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifndef SDL_os2mm_h_
+#define SDL_os2mm_h_
+
+#include "../SDL_sysaudio.h"
+
+#define  INCL_OS2MM
+#define  INCL_PM
+#define  INCL_DOS
+#define  INCL_DOSERRORS
+#include <os2.h>
+#include <os2me.h>
+
+/* Hidden "this" pointer for the audio functions */
+#define _THIS   SDL_AudioDevice *_this
+
+#define NUM_BUFFERS 3
+
+typedef struct SDL_PrivateAudioData
+{
+    USHORT              usDeviceId;
+    BYTE                _pad[2];
+    MCI_MIXSETUP_PARMS  stMCIMixSetup;
+    HEV                 hevBuf;
+    PMCI_MIX_BUFFER     pFillBuffer;
+    PMCI_MIX_BUFFER     pDrainBuffer;
+    ULONG               ulState;
+    ULONG               cMixBuffers;
+    MCI_MIX_BUFFER      aMixBuffers[NUM_BUFFERS];
+} SDL_PrivateAudioData;
+
+#endif /* SDL_os2mm_h_ */
+
+/* vi: set ts=4 sw=4 expandtab: */