src/audio/paudio/SDL_paudio.h
author Ryan C. Gordon <icculus@icculus.org>
Sat, 07 Oct 2006 20:20:59 +0000
branchSDL-ryan-multiple-audio-device
changeset 3832 ca74a71063ac
parent 3797 9dc81c6acaf5
permissions -rw-r--r--
Paudio driver moved to 1.3 API.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifndef _SDL_paudaudio_h
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#define _SDL_paudaudio_h
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#include "../SDL_sysaudio.h"
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/* Hidden "this" pointer for the audio functions */
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#define _THIS	SDL_AudioDevice *this
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struct SDL_PrivateAudioData
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{
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    /* The file descriptor for the audio device */
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    int audio_fd;
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    /* Raw mixing buffer */
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    Uint8 *mixbuf;
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    int mixlen;
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    /* Support for audio timing using a timer, in addition to select() */
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    float frame_ticks;
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    float next_frame;
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};
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#define FUDGE_TICKS	10      /* The scheduler overhead ticks per frame */
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#endif /* _SDL_paudaudio_h */
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