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     ATOMIC(struct ALbufferlistitem*) next;
  23     ALsizei num_buffers;
  24     struct ALbuffer *buffers[];
  25 } ALbufferlistitem;
  26
  27
  28 typedef struct ALsource {
  29     /** Source properties. */
  30     ALfloat   Pitch;
  31     ALfloat   Gain;
  32     ALfloat   OuterGain;
  33     ALfloat   MinGain;
  34     ALfloat   MaxGain;
  35     ALfloat   InnerAngle;
  36     ALfloat   OuterAngle;
  37     ALfloat   RefDistance;
  38     ALfloat   MaxDistance;
  39     ALfloat   RolloffFactor;
  40     ALfloat   Position[3];
  41     ALfloat   Velocity[3];
  42     ALfloat   Direction[3];
  43     ALfloat   Orientation[2][3];
  44     ALboolean HeadRelative;
  45     ALboolean Looping;
  46     enum DistanceModel DistanceModel;
  47     enum Resampler Resampler;
  48     ALboolean DirectChannels;
  49     enum SpatializeMode Spatialize;
  50
  51     ALboolean DryGainHFAuto;
  52     ALboolean WetGainAuto;
  53     ALboolean WetGainHFAuto;
  54     ALfloat   OuterGainHF;
  55
  56     ALfloat AirAbsorptionFactor;
  57     ALfloat RoomRolloffFactor;
  58     ALfloat DopplerFactor;
  59
  60     /* NOTE: Stereo pan angles are specified in radians, counter-clockwise
  61      * rather than clockwise.
  62      */
  63     ALfloat StereoPan[2];
  64
  65     ALfloat Radius;
  66
  67     /** Direct filter and auxiliary send info. */
  68     struct {
  69         ALfloat Gain;
  70         ALfloat GainHF;
  71         ALfloat HFReference;
  72         ALfloat GainLF;
  73         ALfloat LFReference;
  74     } Direct;
  75     struct {
  76         struct ALeffectslot *Slot;
  77         ALfloat Gain;
  78         ALfloat GainHF;
  79         ALfloat HFReference;
  80         ALfloat GainLF;
  81         ALfloat LFReference;
  82     } *Send;
  83
  84     /**
  85      * Last user-specified offset, and the offset type (bytes, samples, or
  86      * seconds).
  87      */
  88     ALdouble Offset;
  89     ALenum   OffsetType;
  90
  91     /** Source type (static, streaming, or undetermined) */
  92     ALint SourceType;
  93
  94     /** Source state (initial, playing, paused, or stopped) */
  95     ATOMIC(ALenum) state;
  96
  97     /** Source Buffer Queue head. */
  98     RWLock queue_lock;
  99     ALbufferlistitem *queue;
 100
 101     ATOMIC_FLAG PropsClean;
 102
 103     /* Index into the context's Voices array. Lazily updated, only checked and
 104      * reset when looking up the voice.
 105      */
 106     ALint VoiceIdx;
 107
 108     /** Self ID */
 109     ALuint id;
 110 } ALsource;
 111
 112 void UpdateAllSourceProps(ALCcontext *context);
 113
 114 ALvoid ReleaseALSources(ALCcontext *Context);
 115
 116 #ifdef __cplusplus
 117 }
 118 #endif
 119
 120 #endif