--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/libsdl-trunk/src/audio/SDL_sysaudio.h	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,184 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is SDL_free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifndef _SDL_sysaudio_h
+#define _SDL_sysaudio_h
+
+#include "SDL_mutex.h"
+#include "SDL_thread.h"
+
+/* The SDL audio driver */
+typedef struct SDL_AudioDevice SDL_AudioDevice;
+
+/* Define the SDL audio driver structure */
+#define _THIS	SDL_AudioDevice *_this
+#ifndef _STATUS
+#define _STATUS	SDL_status *status
+#endif
+struct SDL_AudioDevice {
+	/* * * */
+	/* The name of this audio driver */
+	const char *name;
+
+	/* * * */
+	/* The description of this audio driver */
+	const char *desc;
+
+	/* * * */
+	/* Public driver functions */
+	int  (*OpenAudio)(_THIS, SDL_AudioSpec *spec);
+	void (*ThreadInit)(_THIS);	/* Called by audio thread at start */
+	void (*WaitAudio)(_THIS);
+	void (*PlayAudio)(_THIS);
+	Uint8 *(*GetAudioBuf)(_THIS);
+	void (*WaitDone)(_THIS);
+	void (*CloseAudio)(_THIS);
+
+	/* * * */
+	/* Lock / Unlock functions added for the Mac port */
+	void (*LockAudio)(_THIS);
+	void (*UnlockAudio)(_THIS);
+
+	/* * * */
+	/* Data common to all devices */
+
+	/* The current audio specification (shared with audio thread) */
+	SDL_AudioSpec spec;
+
+	/* An audio conversion block for audio format emulation */
+	SDL_AudioCVT convert;
+
+	/* Current state flags */
+	int enabled;
+	int paused;
+	int opened;
+
+	/* Fake audio buffer for when the audio hardware is busy */
+	Uint8 *fake_stream;
+
+	/* A semaphore for locking the mixing buffers */
+	SDL_mutex *mixer_lock;
+
+	/* A thread to feed the audio device */
+	SDL_Thread *thread;
+	Uint32 threadid;
+
+	/* * * */
+	/* Data private to this driver */
+	struct SDL_PrivateAudioData *hidden;
+
+	/* * * */
+	/* The function used to dispose of this structure */
+	void (*free)(_THIS);
+};
+#undef _THIS
+
+typedef struct AudioBootStrap {
+	const char *name;
+	const char *desc;
+	int (*available)(void);
+	SDL_AudioDevice *(*create)(int devindex);
+} AudioBootStrap;
+
+#if SDL_AUDIO_DRIVER_BSD
+extern AudioBootStrap BSD_AUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_PULSE
+extern AudioBootStrap PULSE_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_OSS
+extern AudioBootStrap DSP_bootstrap;
+extern AudioBootStrap DMA_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_ALSA
+extern AudioBootStrap ALSA_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_QNXNTO
+extern AudioBootStrap QNXNTOAUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_SUNAUDIO
+extern AudioBootStrap SUNAUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DMEDIA
+extern AudioBootStrap DMEDIA_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_ARTS
+extern AudioBootStrap ARTS_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_ESD
+extern AudioBootStrap ESD_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_NAS
+extern AudioBootStrap NAS_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DSOUND
+extern AudioBootStrap DSOUND_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_WAVEOUT
+extern AudioBootStrap WAVEOUT_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_PAUD
+extern AudioBootStrap Paud_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_BAUDIO
+extern AudioBootStrap BAUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_COREAUDIO
+extern AudioBootStrap COREAUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_SNDMGR
+extern AudioBootStrap SNDMGR_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_MINT
+extern AudioBootStrap MINTAUDIO_GSXB_bootstrap;
+extern AudioBootStrap MINTAUDIO_MCSN_bootstrap;
+extern AudioBootStrap MINTAUDIO_STFA_bootstrap;
+extern AudioBootStrap MINTAUDIO_XBIOS_bootstrap;
+extern AudioBootStrap MINTAUDIO_DMA8_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DISK
+extern AudioBootStrap DISKAUD_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DUMMY
+extern AudioBootStrap DUMMYAUD_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DC
+extern AudioBootStrap DCAUD_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_NDS
+extern AudioBootStrap NDSAUD_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_MMEAUDIO
+extern AudioBootStrap MMEAUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DART
+extern AudioBootStrap DART_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_EPOCAUDIO
+extern AudioBootStrap EPOCAudio_bootstrap; 
+#endif
+
+/* This is the current audio device */
+extern SDL_AudioDevice *current_audio;
+
+#endif /* _SDL_sysaudio_h */