diff src/audio/mme/SDL_mmeaudio.h @ 654:e92bcf2573cb

Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
author Sam Lantinga <slouken@libsdl.org>
date Tue, 22 Jul 2003 14:01:21 +0000
parents
children b8d311d90021
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/audio/mme/SDL_mmeaudio.h	Tue Jul 22 14:01:21 2003 +0000
@@ -0,0 +1,59 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+
+/* Allow access to a raw mixing buffer */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <mme_api.h>
+
+#include "SDL_audio.h"
+#include "SDL_mutex.h"
+#include "SDL_timer.h"
+#include "SDL_audio_c.h"
+
+#ifndef _SDL_lowaudio_h
+#define _SDL_lowaudio_h
+#include "SDL_sysaudio.h"
+
+/* Hidden "this" pointer for the video functions */
+#define _THIS	SDL_AudioDevice *this
+#define NUM_BUFFERS 2
+
+struct SharedMem {
+    HWAVEOUT sound;
+    WAVEHDR wHdr[NUM_BUFFERS];
+    PCMWAVEFORMAT wFmt;
+};
+
+struct SDL_PrivateAudioData {
+    Uint8 *mixbuf;          /* The raw allocated mixing buffer */
+    struct SharedMem *shm;
+    int next_buffer;
+};
+
+#define shm			(this->hidden->shm)
+#define mixbuf			(this->hidden->mixbuf)
+#define next_buffer		(this->hidden->next_buffer)
+/* Old variable names */
+#endif /* _SDL_lowaudio_h */