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https://github.com/QB64Official/qb64.git
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124 lines
2.8 KiB
C
124 lines
2.8 KiB
C
#ifndef _AL_SOURCE_H_
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#define _AL_SOURCE_H_
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#define MAX_SENDS 4
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#include "alFilter.h"
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#include "alu.h"
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#include "AL/al.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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POINT_RESAMPLER = 0,
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LINEAR_RESAMPLER,
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CUBIC_RESAMPLER,
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RESAMPLER_MAX,
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RESAMPLER_MIN = -1,
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RESAMPLER_DEFAULT = LINEAR_RESAMPLER
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} resampler_t;
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extern resampler_t DefaultResampler;
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extern const ALsizei ResamplerPadding[RESAMPLER_MAX];
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extern const ALsizei ResamplerPrePadding[RESAMPLER_MAX];
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typedef struct ALbufferlistitem
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{
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struct ALbuffer *buffer;
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struct ALbufferlistitem *next;
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struct ALbufferlistitem *prev;
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} ALbufferlistitem;
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typedef struct ALsource
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{
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ALfp flPitch;
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ALfp flGain;
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ALfp flOuterGain;
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ALfp flMinGain;
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ALfp flMaxGain;
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ALfp flInnerAngle;
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ALfp flOuterAngle;
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ALfp flRefDistance;
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ALfp flMaxDistance;
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ALfp flRollOffFactor;
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ALfp vPosition[3];
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ALfp vVelocity[3];
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ALfp vOrientation[3];
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ALboolean bHeadRelative;
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ALboolean bLooping;
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ALenum DistanceModel;
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// Apportably Extension
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ALuint priority;
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resampler_t Resampler;
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ALenum state;
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ALuint position;
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ALuint position_fraction;
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struct ALbuffer *Buffer;
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ALbufferlistitem *queue; // Linked list of buffers in queue
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ALuint BuffersInQueue; // Number of buffers in queue
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ALuint BuffersPlayed; // Number of buffers played on this loop
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ALfilter DirectFilter;
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struct {
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struct ALeffectslot *Slot;
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ALfilter WetFilter;
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} Send[MAX_SENDS];
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ALboolean DryGainHFAuto;
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ALboolean WetGainAuto;
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ALboolean WetGainHFAuto;
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ALfp OuterGainHF;
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ALfp AirAbsorptionFactor;
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ALfp RoomRolloffFactor;
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ALfp DopplerFactor;
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ALint lOffset;
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ALint lOffsetType;
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// Source Type (Static, Streaming, or Undetermined)
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ALint lSourceType;
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// Current target parameters used for mixing
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ALboolean NeedsUpdate;
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struct {
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ALint Step;
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/* A mixing matrix. First subscript is the channel number of the input
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* data (regardless of channel configuration) and the second is the
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* channel target (eg. FRONT_LEFT) */
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ALfp DryGains[MAXCHANNELS][MAXCHANNELS];
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FILTER iirFilter;
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ALfp history[MAXCHANNELS*2];
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struct {
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ALfp WetGain;
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FILTER iirFilter;
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ALfp history[MAXCHANNELS];
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} Send[MAX_SENDS];
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} Params;
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ALvoid (*Update)(struct ALsource *self, const ALCcontext *context);
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// Index to itself
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ALuint source;
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} ALsource;
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#define ALsource_Update(s,a) ((s)->Update(s,a))
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ALvoid ReleaseALSources(ALCcontext *Context);
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#ifdef __cplusplus
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}
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#endif
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#endif
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