OpenAL32/Include/alSource.h

   1 #ifndef _AL_SOURCE_H_
   2 #define _AL_SOURCE_H_
   3
   4 #define AL_NUM_SOURCE_PARAMS    128
   5
   6 /* This cannot be changed without working on the code! */
   7 #define MAX_SENDS                 1
   8
   9 #include "alFilter.h"
  10 #include "alu.h"
  11 #include "AL/al.h"
  12
  13 #define AL_DIRECT_FILTER                                   0x20005
  14 #define AL_AUXILIARY_SEND_FILTER                           0x20006
  15 #define AL_AIR_ABSORPTION_FACTOR                           0x20007
  16 #define AL_ROOM_ROLLOFF_FACTOR                             0x20008
  17 #define AL_CONE_OUTER_GAINHF                               0x20009
  18 #define AL_DIRECT_FILTER_GAINHF_AUTO                       0x2000A
  19 #define AL_AUXILIARY_SEND_FILTER_GAIN_AUTO                 0x2000B
  20 #define AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO               0x2000C
  21
  22 #ifdef __cplusplus
  23 extern "C" {
  24 #endif
  25
  26 typedef struct ALbufferlistitem
  27 {
  28     ALuint                   buffer;
  29     ALuint                   bufferstate;
  30     ALuint                   flag;
  31     struct ALbufferlistitem *next;
  32 } ALbufferlistitem;
  33
  34 typedef struct ALsource
  35 {
  36     ALfloat      flPitch;
  37     ALfloat      flGain;
  38     ALfloat      flOuterGain;
  39     ALfloat      flMinGain;
  40     ALfloat      flMaxGain;
  41     ALfloat      flInnerAngle;
  42     ALfloat      flOuterAngle;
  43     ALfloat      flRefDistance;
  44     ALfloat      flMaxDistance;
  45     ALfloat      flRollOffFactor;
  46     ALfloat      vPosition[3];
  47     ALfloat      vVelocity[3];
  48     ALfloat      vOrientation[3];
  49     ALboolean    bHeadRelative;
  50     ALboolean    bLooping;
  51     ALenum       DistanceModel;
  52
  53     ALuint       ulBufferID;
  54
  55     ALboolean    inuse;
  56     ALboolean    play;
  57     ALenum       state;
  58     ALuint       position;
  59     ALuint       position_fraction;
  60
  61     struct ALbufferlistitem *queue; // Linked list of buffers in queue
  62     ALuint       BuffersInQueue;    // Number of buffers in queue
  63
  64     ALuint TotalBufferDataSize; // Total amount of data contained in the buffers queued for this source
  65     ALuint BuffersPlayed;       // Number of buffers played on this loop
  66
  67     ALfilter DirectFilter;
  68
  69     struct {
  70         struct ALeffectslot *Slot;
  71         ALfilter WetFilter;
  72         FILTER iirFilter;
  73     } Send[MAX_SENDS];
  74
  75     ALboolean DryGainHFAuto;
  76     ALboolean WetGainAuto;
  77     ALboolean WetGainHFAuto;
  78     ALfloat   OuterGainHF;
  79
  80     FILTER iirFilter;
  81
  82     ALfloat AirAbsorptionFactor;
  83
  84     ALfloat RoomRolloffFactor;
  85
  86     ALfloat DopplerFactor;
  87
  88     // Index to itself
  89     ALuint source;
  90
  91     ALint  lOffset;
  92     ALint  lOffsetType;
  93
  94     // Source Type (Static, Streaming, or Undetermined)
  95     ALint  lSourceType;
  96
  97     // Current gains, which are ramped while mixed
  98     ALfloat DryGains[OUTPUTCHANNELS];
  99     ALfloat WetGain;
 100     ALboolean FirstStart;
 101
 102     struct ALsource *next;
 103 } ALsource;
 104
 105 ALvoid ReleaseALSources(ALCcontext *Context);
 106
 107 #ifdef __cplusplus
 108 }
 109 #endif
 110
 111 #endif