openal-alsa-creative/src/al_source.h

82 lines
1.8 KiB
C

/*
* Copyright (C) 2004 Christopher John Purnell
* cjp@lost.org.uk
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _AL_SOURCE_H_
#define _AL_SOURCE_H_
#include <alsa/asoundlib.h>
#include <AL/al.h>
#include <AL/alc.h>
#include "al_buffer.h"
typedef struct _AL_queue
{
struct _AL_queue *next;
AL_buffer *buffer;
ALenum state;
}
AL_queue;
typedef struct _AL_source
{
ALCcontext *context;
snd_pcm_t *handle;
snd_ctl_elem_value_t *vol_ctl;
snd_ctl_elem_value_t *send_ctl;
ALint subdev;
ALuint freq;
ALenum state;
ALboolean playing;
AL_buffer *buffer;
ALuint index;
AL_queue *first_q;
AL_queue **last_q;
AL_queue *current_q;
ALboolean relative;
ALboolean looping;
ALboolean conic;
ALfloat position[3];
ALfloat direction[3];
ALfloat velocity[3];
ALfloat pitch;
ALfloat gain;
ALfloat min_gain;
ALfloat max_gain;
ALfloat reference_distance;
ALfloat rolloff_factor;
ALfloat max_distance;
ALfloat cone_inner_angle;
ALfloat cone_outer_angle;
ALfloat cone_outer_gain;
}
AL_source;
ALvoid _alDeleteSource(AL_source *);
ALvoid _alProcessSource(AL_source *);
#endif