1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2012 Sam Lantinga 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18 19 Sam Lantinga 20 slouken (at) libsdl.org 21 */ 22 #include "SDL_config.h" 23 24 #ifndef _SDL_lowaudio_h 25 #define _SDL_lowaudio_h 26 27 #include "directx.h" 28 29 #include "../SDL_sysaudio.h" 30 31 /* Hidden "this" pointer for the video functions */ 32 #define _THIS SDL_AudioDevice *this 33 34 /* The DirectSound objects */ 35 struct SDL_PrivateAudioData { 36 LPDIRECTSOUND sound; 37 LPDIRECTSOUNDBUFFER mixbuf; 38 int NUM_BUFFERS; 39 int mixlen, silence; 40 DWORD lastchunk; 41 Uint8 *locked_buf; 42 HANDLE audio_event; 43 }; 44 45 /* Old variable names */ 46 #define sound (this->hidden->sound) 47 #define mixbuf (this->hidden->mixbuf) 48 #define NUM_BUFFERS (this->hidden->NUM_BUFFERS) 49 #define mixlen (this->hidden->mixlen) 50 #define silence (this->hidden->silence) 51 #define lastchunk (this->hidden->lastchunk) 52 #define locked_buf (this->hidden->locked_buf) 53 #define audio_event (this->hidden->audio_event) 54 55 #endif /* _SDL_lowaudio_h */ 56
