src/audio/alsa/SDL_alsa_audio.h
author Sam Lantinga <slouken@libsdl.org>
Mon, 19 Oct 2009 02:36:02 +0000
branchSDL-1.2
changeset 4359 4b582c04ec1d
parent 4292 464126f4c7db
child 6137 4720145f848b
permissions -rw-r--r--
Recoomendation from Lennart Poettering:

I guess I don't have to mention that, but ALSA_WaitAudio() is
pure evil, and just broken. getpid() returns pids, not tids. You get
those via gettid(). But I'd recommend dropping that entirely. It's
just broken.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2009 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifndef _ALSA_PCM_audio_h
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#define _ALSA_PCM_audio_h
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#include <alsa/asoundlib.h>
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#include "../SDL_sysaudio.h"
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/* Hidden "this" pointer for the video functions */
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#define _THIS	SDL_AudioDevice *this
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struct SDL_PrivateAudioData {
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	/* The audio device handle */
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	snd_pcm_t *pcm_handle;
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	/* Raw mixing buffer */
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	Uint8 *mixbuf;
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	int    mixlen;
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};
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/* Old variable names */
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#define pcm_handle		(this->hidden->pcm_handle)
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#define mixbuf			(this->hidden->mixbuf)
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#define mixlen			(this->hidden->mixlen)
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#endif /* _ALSA_PCM_audio_h */