OpenAL32/Include/alSource.h

   1 #ifndef _AL_SOURCE_H_
   2 #define _AL_SOURCE_H_
   3
   4 #include "bool.h"
   5 #include "alMain.h"
   6 #include "alu.h"
   7 #include "hrtf.h"
   8 #include "atomic.h"
   9
  10 #define MAX_SENDS      16
  11 #define DEFAULT_SENDS  2
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 struct ALbuffer;
  18 struct ALsource;
  19
  20
  21 typedef struct ALbufferlistitem {
  22     struct ALbuffer *buffer;
  23     ATOMIC(struct ALbufferlistitem*) next;
  24 } ALbufferlistitem;
  25
  26
  27 typedef struct ALsource {
  28     /** Source properties. */
  29     ALfloat   Pitch;
  30     ALfloat   Gain;
  31     ALfloat   OuterGain;
  32     ALfloat   MinGain;
  33     ALfloat   MaxGain;
  34     ALfloat   InnerAngle;
  35     ALfloat   OuterAngle;
  36     ALfloat   RefDistance;
  37     ALfloat   MaxDistance;
  38     ALfloat   RolloffFactor;
  39     ALfloat   Position[3];
  40     ALfloat   Velocity[3];
  41     ALfloat   Direction[3];
  42     ALfloat   Orientation[2][3];
  43     ALboolean HeadRelative;
  44     ALboolean Looping;
  45     enum DistanceModel DistanceModel;
  46     enum Resampler Resampler;
  47     ALboolean DirectChannels;
  48     enum SpatializeMode Spatialize;
  49
  50     ALboolean DryGainHFAuto;
  51     ALboolean WetGainAuto;
  52     ALboolean WetGainHFAuto;
  53     ALfloat   OuterGainHF;
  54
  55     ALfloat AirAbsorptionFactor;
  56     ALfloat RoomRolloffFactor;
  57     ALfloat DopplerFactor;
  58
  59     /* NOTE: Stereo pan angles are specified in radians, counter-clockwise
  60      * rather than clockwise.
  61      */
  62     ALfloat StereoPan[2];
  63
  64     ALfloat Radius;
  65
  66     /** Direct filter and auxiliary send info. */
  67     struct {
  68         ALfloat Gain;
  69         ALfloat GainHF;
  70         ALfloat HFReference;
  71         ALfloat GainLF;
  72         ALfloat LFReference;
  73     } Direct;
  74     struct {
  75         struct ALeffectslot *Slot;
  76         ALfloat Gain;
  77         ALfloat GainHF;
  78         ALfloat HFReference;
  79         ALfloat GainLF;
  80         ALfloat LFReference;
  81     } *Send;
  82
  83     /**
  84      * Last user-specified offset, and the offset type (bytes, samples, or
  85      * seconds).
  86      */
  87     ALdouble Offset;
  88     ALenum   OffsetType;
  89
  90     /** Source type (static, streaming, or undetermined) */
  91     ALint SourceType;
  92
  93     /** Source state (initial, playing, paused, or stopped) */
  94     ATOMIC(ALenum) state;
  95
  96     /** Source Buffer Queue head. */
  97     RWLock queue_lock;
  98     ALbufferlistitem *queue;
  99
 100     ATOMIC_FLAG PropsClean;
 101
 102     /** Self ID */
 103     ALuint id;
 104 } ALsource;
 105
 106 inline void LockSourcesRead(ALCcontext *context)
 107 { LockUIntMapRead(&context->SourceMap); }
 108 inline void UnlockSourcesRead(ALCcontext *context)
 109 { UnlockUIntMapRead(&context->SourceMap); }
 110 inline void LockSourcesWrite(ALCcontext *context)
 111 { LockUIntMapWrite(&context->SourceMap); }
 112 inline void UnlockSourcesWrite(ALCcontext *context)
 113 { UnlockUIntMapWrite(&context->SourceMap); }
 114
 115 inline struct ALsource *LookupSource(ALCcontext *context, ALuint id)
 116 { return (struct ALsource*)LookupUIntMapKeyNoLock(&context->SourceMap, id); }
 117 inline struct ALsource *RemoveSource(ALCcontext *context, ALuint id)
 118 { return (struct ALsource*)RemoveUIntMapKeyNoLock(&context->SourceMap, id); }
 119
 120 void UpdateAllSourceProps(ALCcontext *context);
 121
 122 ALvoid ReleaseALSources(ALCcontext *Context);
 123
 124 #ifdef __cplusplus
 125 }
 126 #endif
 127
 128 #endif