src/audio/SDL_audio_c.h
author Ryan C. Gordon <icculus@icculus.org>
Tue, 26 May 2015 21:19:23 -0400
changeset 9649 d7762e30ba24
parent 9619 b94b6d0bff0f
child 9998 f67cf37e9cd4
permissions -rw-r--r--
Stack hint should look for 0, not -1, and not care about environment variables.
slouken@0
     1
/*
slouken@5535
     2
  Simple DirectMedia Layer
slouken@9619
     3
  Copyright (C) 1997-2015 Sam Lantinga <slouken@libsdl.org>
slouken@0
     4
slouken@5535
     5
  This software is provided 'as-is', without any express or implied
slouken@5535
     6
  warranty.  In no event will the authors be held liable for any damages
slouken@5535
     7
  arising from the use of this software.
slouken@0
     8
slouken@5535
     9
  Permission is granted to anyone to use this software for any purpose,
slouken@5535
    10
  including commercial applications, and to alter it and redistribute it
slouken@5535
    11
  freely, subject to the following restrictions:
slouken@0
    12
slouken@5535
    13
  1. The origin of this software must not be misrepresented; you must not
slouken@5535
    14
     claim that you wrote the original software. If you use this software
slouken@5535
    15
     in a product, an acknowledgment in the product documentation would be
slouken@5535
    16
     appreciated but is not required.
slouken@5535
    17
  2. Altered source versions must be plainly marked as such, and must not be
slouken@5535
    18
     misrepresented as being the original software.
slouken@5535
    19
  3. This notice may not be removed or altered from any source distribution.
slouken@0
    20
*/
icculus@8093
    21
#include "../SDL_internal.h"
slouken@0
    22
slouken@0
    23
/* Functions and variables exported from SDL_audio.c for SDL_sysaudio.c */
slouken@0
    24
slouken@0
    25
/* Functions to get a list of "close" audio formats */
icculus@1982
    26
extern SDL_AudioFormat SDL_FirstAudioFormat(SDL_AudioFormat format);
icculus@1982
    27
extern SDL_AudioFormat SDL_NextAudioFormat(void);
slouken@0
    28
slouken@0
    29
/* Function to calculate the size and silence for a SDL_AudioSpec */
slouken@1895
    30
extern void SDL_CalculateAudioSpec(SDL_AudioSpec * spec);
slouken@0
    31
slouken@0
    32
/* The actual mixing thread function */
slouken@1769
    33
extern int SDLCALL SDL_RunAudio(void *audiop);
icculus@1982
    34
icculus@1982
    35
/* this is used internally to access some autogenerated code. */
icculus@1982
    36
typedef struct
icculus@1982
    37
{
icculus@1982
    38
    SDL_AudioFormat src_fmt;
icculus@1982
    39
    SDL_AudioFormat dst_fmt;
icculus@1982
    40
    SDL_AudioFilter filter;
icculus@1982
    41
} SDL_AudioTypeFilters;
icculus@1982
    42
extern const SDL_AudioTypeFilters sdl_audio_type_filters[];
icculus@1982
    43
icculus@3021
    44
/* this is used internally to access some autogenerated code. */
icculus@3021
    45
typedef struct
icculus@3021
    46
{
icculus@3021
    47
    SDL_AudioFormat fmt;
icculus@3021
    48
    int channels;
icculus@3021
    49
    int upsample;
icculus@3021
    50
    int multiple;
icculus@3021
    51
    SDL_AudioFilter filter;
icculus@3021
    52
} SDL_AudioRateFilters;
icculus@3021
    53
extern const SDL_AudioRateFilters sdl_audio_rate_filters[];
icculus@3021
    54
slouken@1895
    55
/* vi: set ts=4 sw=4 expandtab: */