Alc/bformatdec.h

   1 #ifndef BFORMATDEC_H
   2 #define BFORMATDEC_H
   3
   4 #include "alMain.h"
   5
   6 struct AmbDecConf;
   7 struct BFormatDec;
   8 struct AmbiUpsampler;
   9
  10 enum BFormatDecFlags {
  11     BFDF_DistanceComp = 1<<0
  12 };
  13
  14 struct BFormatDec *bformatdec_alloc();
  15 void bformatdec_free(struct BFormatDec *dec);
  16 int bformatdec_getOrder(const struct BFormatDec *dec);
  17 void bformatdec_reset(struct BFormatDec *dec, const struct AmbDecConf *conf, ALuint chancount, ALuint srate, const ALuint chanmap[MAX_OUTPUT_CHANNELS], int flags);
  18
  19 /* Decodes the ambisonic input to the given output channels. */
  20 void bformatdec_process(struct BFormatDec *dec, ALfloat (*restrict OutBuffer)[BUFFERSIZE], ALuint OutChannels, ALfloat (*restrict InSamples)[BUFFERSIZE], ALuint SamplesToDo);
  21
  22 /* Up-samples a first-order input to the decoder's configuration. */
  23 void bformatdec_upSample(struct BFormatDec *dec, ALfloat (*restrict OutBuffer)[BUFFERSIZE], ALfloat (*restrict InSamples)[BUFFERSIZE], ALuint InChannels, ALuint SamplesToDo);
  24
  25 /* Stand-alone first-order upsampler. Kept here because it shares some stuff
  26  * with bformatdec.
  27  */
  28 struct AmbiUpsampler *ambiup_alloc();
  29 void ambiup_free(struct AmbiUpsampler *ambiup);
  30 void ambiup_reset(struct AmbiUpsampler *ambiup, const ALCdevice *device);
  31
  32 void ambiup_process(struct AmbiUpsampler *ambiup, ALfloat (*restrict OutBuffer)[BUFFERSIZE], ALuint OutChannels, ALfloat (*restrict InSamples)[BUFFERSIZE], ALuint SamplesToDo);
  33
  34 #endif /* BFORMATDEC_H */