Mercurial > sdl-ios-xcode
view src/audio/paudio/SDL_paudio.h @ 2657:29306e52dab8 gsoc2008_audio_resampling
Implemented a lot of fixed point code for the filters. The SDL_FixMpy functions currently don't work properly -- there are some issues with signed vs unsigned.
author | Aaron Wishnick <schnarf@gmail.com> |
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date | Wed, 18 Jun 2008 22:42:27 +0000 |
parents | 5f6550e5184f |
children | 99210400e8b9 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 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 audio functions */ #define _THIS SDL_AudioDevice *this struct SDL_PrivateAudioData { /* The file descriptor for the audio device */ int audio_fd; /* 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 */ #endif /* _SDL_paudaudio_h */ /* vi: set ts=4 sw=4 expandtab: */