SDL_artsaudio.h (1687B)
1/* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2014 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_artscaudio_h 24#define _SDL_artscaudio_h 25 26#include <artsc.h> 27 28#include "../SDL_sysaudio.h" 29 30/* Hidden "this" pointer for the audio functions */ 31#define _THIS SDL_AudioDevice *this 32 33struct SDL_PrivateAudioData 34{ 35 /* The stream descriptor for the audio device */ 36 arts_stream_t stream; 37 38 /* The parent process id, to detect when application quits */ 39 pid_t parent; 40 41 /* Raw mixing buffer */ 42 Uint8 *mixbuf; 43 int mixlen; 44 45 /* Support for audio timing using a timer, in addition to select() */ 46 float frame_ticks; 47 float next_frame; 48}; 49#define FUDGE_TICKS 10 /* The scheduler overhead ticks per frame */ 50 51#endif /* _SDL_artscaudio_h */ 52/* vi: set ts=4 sw=4 expandtab: */