OpenAL32/Include/alSource.h

   1 #ifndef _AL_SOURCE_H_
   2 #define _AL_SOURCE_H_
   3
   4 #include <array>
   5
   6 #include "alMain.h"
   7 #include "alu.h"
   8 #include "hrtf.h"
   9 #include "almalloc.h"
  10 #include "atomic.h"
  11
  12 #define DEFAULT_SENDS  2
  13
  14 struct ALbuffer;
  15 struct ALsource;
  16 struct ALeffectslot;
  17
  18
  19 struct ALbufferlistitem {
  20     std::atomic<ALbufferlistitem*> next;
  21     ALsizei max_samples;
  22     ALsizei num_buffers;
  23     ALbuffer *buffers[];
  24 };
  25
  26
  27 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     std::array<ALfloat,3> Position;
  40     std::array<ALfloat,3> Velocity;
  41     std::array<ALfloat,3> Direction;
  42     std::array<ALfloat,3> OrientAt;
  43     std::array<ALfloat,3> OrientUp;
  44     ALboolean HeadRelative;
  45     ALboolean Looping;
  46     DistanceModel mDistanceModel;
  47     Resampler mResampler;
  48     ALboolean DirectChannels;
  49     SpatializeMode mSpatialize;
  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     std::array<ALfloat,2> StereoPan;
  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 SendData {
  76         ALeffectslot *Slot;
  77         ALfloat Gain;
  78         ALfloat GainHF;
  79         ALfloat HFReference;
  80         ALfloat GainLF;
  81         ALfloat LFReference;
  82     };
  83     al::vector<SendData> Send;
  84
  85     /**
  86      * Last user-specified offset, and the offset type (bytes, samples, or
  87      * seconds).
  88      */
  89     ALdouble Offset;
  90     ALenum   OffsetType;
  91
  92     /** Source type (static, streaming, or undetermined) */
  93     ALint SourceType;
  94
  95     /** Source state (initial, playing, paused, or stopped) */
  96     ALenum state;
  97
  98     /** Source Buffer Queue head. */
  99     ALbufferlistitem *queue;
 100
 101     std::atomic_flag PropsClean{true};
 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
 111
 112     ALsource(ALsizei num_sends);
 113     ~ALsource();
 114
 115     ALsource(const ALsource&) = delete;
 116     ALsource& operator=(const ALsource&) = delete;
 117 };
 118
 119 void UpdateAllSourceProps(ALCcontext *context);
 120
 121 #endif