view src/audio/pulse/SDL_pulseaudio.h @ 4347:38f22ed3a433 SDL-1.2

Option to fix bug #851 For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 17 Oct 2009 06:55:17 +0000
parents 5b99971a27b4
children fe15c4e8efe6
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 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

    Stéphan Kochen
    stephan@kochen.nl
    
    Based on parts of the ALSA and ESounD output drivers.
*/
#include "SDL_config.h"

#ifndef _SDL_pulseaudio_h
#define _SDL_pulseaudio_h

#include "../SDL_sysaudio.h"

/* Hidden "this" pointer for the video functions */
#define _THIS	SDL_AudioDevice *this

struct SDL_PrivateAudioData {
	pa_mainloop *mainloop;
	pa_mainloop_api *mainloop_api;
	pa_context *context;
	pa_stream *stream;

	/* Raw mixing buffer */
	Uint8 *mixbuf;
	int    mixlen;
};

#if (PA_API_VERSION < 12)
/** Return non-zero if the passed state is one of the connected states */
static inline int PA_CONTEXT_IS_GOOD(pa_context_state_t x) {
    return
        x == PA_CONTEXT_CONNECTING ||
        x == PA_CONTEXT_AUTHORIZING ||
        x == PA_CONTEXT_SETTING_NAME ||
        x == PA_CONTEXT_READY;
}
/** Return non-zero if the passed state is one of the connected states */
static inline int PA_STREAM_IS_GOOD(pa_stream_state_t x) {
    return
        x == PA_STREAM_CREATING ||
        x == PA_STREAM_READY;
}
#endif	/* pulseaudio <= 0.9.10 */

/* Old variable names */
#define mainloop		(this->hidden->mainloop)
#define mainloop_api		(this->hidden->mainloop_api)
#define context			(this->hidden->context)
#define stream			(this->hidden->stream)
#define mixbuf			(this->hidden->mixbuf)
#define mixlen			(this->hidden->mixlen)

#endif /* _SDL_pulseaudio_h */