188 lines
4.3 KiB
C
188 lines
4.3 KiB
C
#ifndef _AL_SOURCE_H_
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#define _AL_SOURCE_H_
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#include "bool.h"
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#include "alMain.h"
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#include "alu.h"
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#include "hrtf.h"
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#define MAX_SENDS 16
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#define DEFAULT_SENDS 2
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ALbuffer;
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struct ALsource;
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struct ALsourceProps;
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typedef struct ALbufferlistitem {
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struct ALbuffer *buffer;
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struct ALbufferlistitem *volatile next;
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} ALbufferlistitem;
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struct ALsourceProps {
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ATOMIC(struct ALsourceProps*) next;
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ALfloat Pitch;
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ALfloat Gain;
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ALfloat OuterGain;
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ALfloat MinGain;
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ALfloat MaxGain;
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ALfloat InnerAngle;
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ALfloat OuterAngle;
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ALfloat RefDistance;
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ALfloat MaxDistance;
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ALfloat RollOffFactor;
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ALfloat Position[3];
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ALfloat Velocity[3];
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ALfloat Direction[3];
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ALfloat Orientation[2][3];
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ALboolean HeadRelative;
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enum DistanceModel DistanceModel;
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ALboolean DirectChannels;
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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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ALfloat StereoPan[2];
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ALfloat Radius;
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/** Direct filter and auxiliary send info. */
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struct {
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ALfloat Gain;
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ALfloat GainHF;
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ALfloat HFReference;
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ALfloat GainLF;
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ALfloat LFReference;
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} Direct;
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struct {
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struct ALeffectslot *Slot;
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ALfloat Gain;
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ALfloat GainHF;
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ALfloat HFReference;
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ALfloat GainLF;
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ALfloat LFReference;
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} Send[];
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};
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typedef struct ALsource {
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/** Source properties. */
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ALfloat Pitch;
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ALfloat Gain;
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ALfloat OuterGain;
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ALfloat MinGain;
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ALfloat MaxGain;
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ALfloat InnerAngle;
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ALfloat OuterAngle;
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ALfloat RefDistance;
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ALfloat MaxDistance;
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ALfloat RollOffFactor;
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ALfloat Position[3];
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ALfloat Velocity[3];
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ALfloat Direction[3];
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ALfloat Orientation[2][3];
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ALboolean HeadRelative;
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enum DistanceModel DistanceModel;
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ALboolean DirectChannels;
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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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/* NOTE: Stereo pan angles are specified in radians, counter-clockwise
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* rather than clockwise.
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*/
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ALfloat StereoPan[2];
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ALfloat Radius;
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/** Direct filter and auxiliary send info. */
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struct {
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ALfloat Gain;
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ALfloat GainHF;
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ALfloat HFReference;
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ALfloat GainLF;
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ALfloat LFReference;
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} Direct;
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struct {
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struct ALeffectslot *Slot;
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ALfloat Gain;
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ALfloat GainHF;
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ALfloat HFReference;
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ALfloat GainLF;
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ALfloat LFReference;
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} *Send;
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/**
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* Last user-specified offset, and the offset type (bytes, samples, or
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* seconds).
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*/
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ALdouble Offset;
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ALenum OffsetType;
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/** Source type (static, streaming, or undetermined) */
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ALint SourceType;
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/** Source state (initial, playing, paused, or stopped) */
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ATOMIC(ALenum) state;
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ALenum new_state;
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/** Source Buffer Queue head. */
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RWLock queue_lock;
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ATOMIC(ALbufferlistitem*) queue;
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ATOMIC(ALboolean) looping;
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ALenum NeedsUpdate;
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ATOMIC(struct ALsourceProps*) Update;
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ATOMIC(struct ALsourceProps*) FreeList;
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/** Self ID */
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ALuint id;
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} ALsource;
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inline void LockSourcesRead(ALCcontext *context)
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{ LockUIntMapRead(&context->SourceMap); }
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inline void UnlockSourcesRead(ALCcontext *context)
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{ UnlockUIntMapRead(&context->SourceMap); }
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inline void LockSourcesWrite(ALCcontext *context)
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{ LockUIntMapWrite(&context->SourceMap); }
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inline void UnlockSourcesWrite(ALCcontext *context)
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{ UnlockUIntMapWrite(&context->SourceMap); }
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inline struct ALsource *LookupSource(ALCcontext *context, ALuint id)
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{ return (struct ALsource*)LookupUIntMapKeyNoLock(&context->SourceMap, id); }
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inline struct ALsource *RemoveSource(ALCcontext *context, ALuint id)
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{ return (struct ALsource*)RemoveUIntMapKeyNoLock(&context->SourceMap, id); }
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void UpdateAllSourceProps(ALCcontext *context);
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ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state);
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ALboolean ApplyOffset(ALsource *Source, ALvoice *voice);
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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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