Mercurial > sdl-ios-xcode
view src/audio/mme/SDL_mmeaudio.h @ 1204:f9794ee91dfc
Date: Tue, 13 Dec 2005 13:33:50 +0000
From: "alan buckley"
Subject: Patch to fix audio locking on RISC OS
When threads were not disabled on a RISC OS build
the audio mixer mutex was not created.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 13 Dec 2005 16:40:12 +0000 |
parents | b8d311d90021 |
children | 604d73db6802 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ /* Allow access to a raw mixing buffer */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <mme_api.h> #include "SDL_audio.h" #include "SDL_mutex.h" #include "SDL_timer.h" #include "SDL_audio_c.h" #ifndef _SDL_lowaudio_h #define _SDL_lowaudio_h #include "SDL_sysaudio.h" /* Hidden "this" pointer for the video functions */ #define _THIS SDL_AudioDevice *this #define NUM_BUFFERS 2 struct SharedMem { HWAVEOUT sound; WAVEHDR wHdr[NUM_BUFFERS]; PCMWAVEFORMAT wFmt; }; struct SDL_PrivateAudioData { Uint8 *mixbuf; /* The raw allocated mixing buffer */ struct SharedMem *shm; int next_buffer; }; #define shm (this->hidden->shm) #define mixbuf (this->hidden->mixbuf) #define next_buffer (this->hidden->next_buffer) /* Old variable names */ #endif /* _SDL_lowaudio_h */