w3d/wavelet.h

   1 #ifndef __WAVELET_H
   2 #define __WAVELET_H
   3
   4 #include "w3dtypes.h"
   5
   6
   7 typedef struct {
   8    TYPE *data;
   9    uint32_t width;
  10    uint32_t height;
  11    uint32_t frames;
  12    uint32_t scales;
  13    uint32_t *w;
  14    uint32_t *h;
  15    uint32_t *f;
  16    uint32_t (*offset)[8];
  17    TYPE *scratchbuf;
  18 } Wavelet3DBuf;
  19
  20
  21 extern Wavelet3DBuf* wavelet_3d_buf_new (uint32_t width, uint32_t height,
  22                                          uint32_t frames);
  23
  24 extern void wavelet_3d_buf_destroy (Wavelet3DBuf* buf);
  25
  26 /**
  27  *  transform buf->data
  28  *  a_moments is the number of vanishing moments of the analyzing
  29  *  highpass filter,
  30  *  s_moments the one of the synthesizing lowpass filter.
  31  */
  32 extern void wavelet_3d_buf_fwd_xform (Wavelet3DBuf* buf,
  33                                       int a_moments, int s_moments);
  34 extern void wavelet_3d_buf_inv_xform (Wavelet3DBuf* buf,
  35                                       int a_moments, int s_moments);
  36
  37 extern int  wavelet_3d_buf_encode_coeff (const Wavelet3DBuf* buf,
  38                                          uint8_t *bitstream,
  39                                          uint32_t limit);
  40
  41 extern void wavelet_3d_buf_decode_coeff (Wavelet3DBuf* buf,
  42                                          uint8_t *bitstream,
  43                                          uint32_t limit);
  44
  45 #if defined(DBG_XFORM)
  46 extern void wavelet_3d_buf_dump (char *fmt,
  47                                  uint32_t first_frame_in_buf,
  48                                  uint32_t id,
  49                                  Wavelet3DBuf* buf,
  50                                  int16_t offset);
  51 #else
  52 #define wavelet_3d_buf_dump(fmt,f,id,buf,offset)
  53 #endif
  54
  55 #endif