OpenAL32/Include/alSource.h

   1 #ifndef _AL_SOURCE_H_
   2 #define _AL_SOURCE_H_
   3
   4 #include "alMain.h"
   5 #include "alu.h"
   6 #include "hrtf.h"
   7 #include "almalloc.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 max_samples;
  24     ALsizei num_buffers;
  25     struct ALbuffer *buffers[];
  26 } ALbufferlistitem;
  27
  28
  29 typedef struct ALsource {
  30     /** Source properties. */
  31     ALfloat   Pitch;
  32     ALfloat   Gain;
  33     ALfloat   OuterGain;
  34     ALfloat   MinGain;
  35     ALfloat   MaxGain;
  36     ALfloat   InnerAngle;
  37     ALfloat   OuterAngle;
  38     ALfloat   RefDistance;
  39     ALfloat   MaxDistance;
  40     ALfloat   RolloffFactor;
  41     ALfloat   Position[3];
  42     ALfloat   Velocity[3];
  43     ALfloat   Direction[3];
  44     ALfloat   Orientation[2][3];
  45     ALboolean HeadRelative;
  46     ALboolean Looping;
  47     DistanceModel mDistanceModel;
  48     enum Resampler Resampler;
  49     ALboolean DirectChannels;
  50     enum SpatializeMode Spatialize;
  51
  52     ALboolean DryGainHFAuto;
  53     ALboolean WetGainAuto;
  54     ALboolean WetGainHFAuto;
  55     ALfloat   OuterGainHF;
  56
  57     ALfloat AirAbsorptionFactor;
  58     ALfloat RoomRolloffFactor;
  59     ALfloat DopplerFactor;
  60
  61     /* NOTE: Stereo pan angles are specified in radians, counter-clockwise
  62      * rather than clockwise.
  63      */
  64     ALfloat StereoPan[2];
  65
  66     ALfloat Radius;
  67
  68     /** Direct filter and auxiliary send info. */
  69     struct {
  70         ALfloat Gain;
  71         ALfloat GainHF;
  72         ALfloat HFReference;
  73         ALfloat GainLF;
  74         ALfloat LFReference;
  75     } Direct;
  76     struct SendData {
  77         struct ALeffectslot *Slot;
  78         ALfloat Gain;
  79         ALfloat GainHF;
  80         ALfloat HFReference;
  81         ALfloat GainLF;
  82         ALfloat LFReference;
  83     };
  84     al::vector<SendData> Send;
  85
  86     /**
  87      * Last user-specified offset, and the offset type (bytes, samples, or
  88      * seconds).
  89      */
  90     ALdouble Offset;
  91     ALenum   OffsetType;
  92
  93     /** Source type (static, streaming, or undetermined) */
  94     ALint SourceType;
  95
  96     /** Source state (initial, playing, paused, or stopped) */
  97     ALenum state;
  98
  99     /** Source Buffer Queue head. */
 100     ALbufferlistitem *queue;
 101
 102     std::atomic_flag PropsClean{true};
 103
 104     /* Index into the context's Voices array. Lazily updated, only checked and
 105      * reset when looking up the voice.
 106      */
 107     ALint VoiceIdx;
 108
 109     /** Self ID */
 110     ALuint id;
 111
 112
 113     ALsource(ALsizei num_sends);
 114     ~ALsource();
 115
 116     ALsource(const ALsource&) = delete;
 117     ALsource& operator=(const ALsource&) = delete;
 118 } ALsource;
 119
 120 void UpdateAllSourceProps(ALCcontext *context);
 121
 122 #ifdef __cplusplus
 123 }
 124 #endif
 125
 126 #endif