/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2012 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #ifndef _SDL_paudaudio_h #define _SDL_paudaudio_h #include "../SDL_sysaudio.h" /* Hidden "this" pointer for the video functions */ #define _THIS SDL_AudioDevice *this struct SDL_PrivateAudioData { /* The file descriptor for the audio device */ int audio_fd; /* The parent process id, to detect when application quits */ pid_t parent; /* Raw mixing buffer */ Uint8 *mixbuf; int mixlen; /* Support for audio timing using a timer, in addition to select() */ float frame_ticks; float next_frame; }; #define FUDGE_TICKS 10 /* The scheduler overhead ticks per frame */ /* Old variable names */ #define audio_fd (this->hidden->audio_fd) #define parent (this->hidden->parent) #define mixbuf (this->hidden->mixbuf) #define mixlen (this->hidden->mixlen) #define frame_ticks (this->hidden->frame_ticks) #define next_frame (this->hidden->next_frame) #endif /* _SDL_paudaudio_h */