src/audio/SDL_audio_c.h
author Sam Lantinga <slouken@libsdl.org>
Thu, 29 Aug 2013 08:30:21 -0700
changeset 7721 bdf8c2c84e14
parent 6885 700f1b25f77f
child 8093 b43765095a6f
permissions -rw-r--r--
Christoph Mallon: Replace strlen(x) == 0 (O(n)) by x[0] == '\0' (O(1)).
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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/* Functions and variables exported from SDL_audio.c for SDL_sysaudio.c */
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/* Functions to get a list of "close" audio formats */
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extern SDL_AudioFormat SDL_FirstAudioFormat(SDL_AudioFormat format);
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extern SDL_AudioFormat SDL_NextAudioFormat(void);
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/* Function to calculate the size and silence for a SDL_AudioSpec */
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extern void SDL_CalculateAudioSpec(SDL_AudioSpec * spec);
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/* The actual mixing thread function */
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extern int SDLCALL SDL_RunAudio(void *audiop);
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/* this is used internally to access some autogenerated code. */
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typedef struct
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{
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    SDL_AudioFormat src_fmt;
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    SDL_AudioFormat dst_fmt;
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    SDL_AudioFilter filter;
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} SDL_AudioTypeFilters;
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extern const SDL_AudioTypeFilters sdl_audio_type_filters[];
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/* this is used internally to access some autogenerated code. */
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typedef struct
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{
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    SDL_AudioFormat fmt;
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    int channels;
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    int upsample;
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    int multiple;
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    SDL_AudioFilter filter;
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} SDL_AudioRateFilters;
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extern const SDL_AudioRateFilters sdl_audio_rate_filters[];
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/* vi: set ts=4 sw=4 expandtab: */