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 "AL/al.h"
  11
  12 #define AL_DIRECT_FILTER                                   0x20005
  13 #define AL_AUXILIARY_SEND_FILTER                           0x20006
  14 #define AL_AIR_ABSORPTION_FACTOR                           0x20007
  15 #define AL_ROOM_ROLLOFF_FACTOR                             0x20008
  16 #define AL_CONE_OUTER_GAINHF                               0x20009
  17 #define AL_DIRECT_FILTER_GAINHF_AUTO                       0x2000A
  18 #define AL_AUXILIARY_SEND_FILTER_GAIN_AUTO                 0x2000B
  19 #define AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO               0x2000C
  20
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif
  24
  25 typedef struct ALbufferlistitem
  26 {
  27     ALuint                   buffer;
  28     ALuint                   bufferstate;
  29     ALuint                   flag;
  30     struct ALbufferlistitem *next;
  31 } ALbufferlistitem;
  32
  33 typedef struct ALsource
  34 {
  35     ALfloat      flPitch;
  36     ALfloat      flGain;
  37     ALfloat      flOuterGain;
  38     ALfloat      flMinGain;
  39     ALfloat      flMaxGain;
  40     ALfloat      flInnerAngle;
  41     ALfloat      flOuterAngle;
  42     ALfloat      flRefDistance;
  43     ALfloat      flMaxDistance;
  44     ALfloat      flRollOffFactor;
  45     ALfloat      vPosition[3];
  46     ALfloat      vVelocity[3];
  47     ALfloat      vOrientation[3];
  48     ALboolean    bHeadRelative;
  49     ALboolean    bLooping;
  50
  51     ALuint       ulBufferID;
  52
  53     ALboolean    inuse;
  54     ALboolean    play;
  55     ALenum       state;
  56     ALuint       position;
  57     ALuint       position_fraction;
  58     struct ALbufferlistitem *queue; // Linked list of buffers in queue
  59     ALuint       BuffersInQueue;    // Number of buffers in queue
  60     ALuint       BuffersProcessed;  // Number of buffers already processed (played)
  61
  62     ALuint TotalBufferDataSize; // Total amount of data contained in the buffers queued for this source
  63     ALuint BuffersPlayed;       // Number of buffers played on this loop
  64     ALuint BufferPosition;      // Read position in audio data of current buffer
  65
  66     ALfilter DirectFilter;
  67
  68     struct {
  69         struct ALeffectslot *Slot;
  70         ALfilter WetFilter;
  71     } Send[MAX_SENDS];
  72
  73     ALfloat LastDrySample;
  74     ALfloat LastWetSample;
  75
  76     ALboolean DryGainHFAuto;
  77     ALboolean WetGainAuto;
  78     ALboolean WetGainHFAuto;
  79     ALfloat   OuterGainHF;
  80
  81     ALfloat AirAbsorptionFactor;
  82
  83     ALfloat RoomRolloffFactor;
  84
  85     // Index to itself
  86     ALuint source;
  87
  88     ALint  lBytesPlayed;
  89
  90     ALint  lOffset;
  91     ALint  lOffsetType;
  92
  93     // Source Type (Static, Streaming, or Undetermined)
  94     ALint  lSourceType;
  95
  96     struct ALsource *next;
  97 } ALsource;
  98
  99 ALvoid ReleaseALSources(ALCcontext *Context);
 100
 101 #ifdef __cplusplus
 102 }
 103 #endif
 104
 105 #endif