116 lines
2.5 KiB
C
116 lines
2.5 KiB
C
#ifndef _AL_SOURCE_H_
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#define _AL_SOURCE_H_
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#define MAX_SENDS 2
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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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COSINE_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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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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} ALbufferlistitem;
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typedef struct ALsource
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{
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ALfloat flPitch;
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ALfloat flGain;
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ALfloat flOuterGain;
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ALfloat flMinGain;
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ALfloat flMaxGain;
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ALfloat flInnerAngle;
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ALfloat flOuterAngle;
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ALfloat flRefDistance;
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ALfloat flMaxDistance;
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ALfloat flRollOffFactor;
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ALfloat vPosition[3];
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ALfloat vVelocity[3];
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ALfloat vOrientation[3];
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ALboolean bHeadRelative;
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ALboolean bLooping;
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ALenum DistanceModel;
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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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struct 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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ALfloat OuterGainHF;
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ALfloat AirAbsorptionFactor;
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ALfloat RoomRolloffFactor;
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ALfloat 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 gains, which are ramped while mixed
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ALfloat DryGains[OUTPUTCHANNELS];
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ALfloat WetGains[MAX_SENDS];
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ALboolean FirstStart;
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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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ALfloat DryGains[OUTPUTCHANNELS];
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ALfloat WetGains[MAX_SENDS];
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ALfloat Pitch;
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struct {
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FILTER iirFilter;
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ALfloat history[OUTPUTCHANNELS];
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} Send[MAX_SENDS];
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FILTER iirFilter;
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ALfloat history[OUTPUTCHANNELS*2];
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} Params;
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// Index to itself
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ALuint source;
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} ALsource;
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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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