SDL  2.0
SDL_alsa_audio.h
Go to the documentation of this file.
1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../../SDL_internal.h"
22 
23 #ifndef SDL_ALSA_audio_h_
24 #define SDL_ALSA_audio_h_
25 
26 #include <alsa/asoundlib.h>
27 
28 #include "../SDL_sysaudio.h"
29 
30 /* Hidden "this" pointer for the audio functions */
31 #define _THIS SDL_AudioDevice *this
32 
34 {
35  /* The audio device handle */
36  snd_pcm_t *pcm_handle;
37 
38  /* Raw mixing buffer */
40  int mixlen;
41 
42  /* swizzle function */
43  void (*swizzle_func)(_THIS, void *buffer, Uint32 bufferlen);
44 };
45 
46 #endif /* SDL_ALSA_audio_h_ */
47 
48 /* vi: set ts=4 sw=4 expandtab: */
uint32_t Uint32
Definition: SDL_stdinc.h:181
#define _THIS
uint8_t Uint8
Definition: SDL_stdinc.h:157
void(* swizzle_func)(_THIS, void *buffer, Uint32 bufferlen)
SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char const char SDL_SCANF_FORMAT_STRING const char return SDL_ThreadFunction const char void return Uint32 return Uint32 void
snd_pcm_t * pcm_handle