Mercurial > sdl-ios-xcode
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> |
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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 */