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55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
#ifndef __WAVELET_H
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#define __WAVELET_H
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#include <stdint.h>
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typedef struct {
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TYPE *data;
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uint32_t width;
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uint32_t height;
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uint32_t frames;
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uint32_t scales;
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uint32_t *w;
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uint32_t *h;
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uint32_t *f;
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uint32_t (*offset)[8];
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TYPE *scratchbuf;
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} Wavelet3DBuf;
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extern Wavelet3DBuf* wavelet_3d_buf_new (uint32_t width, uint32_t height,
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uint32_t frames);
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extern void wavelet_3d_buf_destroy (Wavelet3DBuf* buf);
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/**
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* transform buf->data
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* a_moments is the number of vanishing moments of the analyzing
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* highpass filter,
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* s_moments the one of the synthesizing lowpass filter.
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*/
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extern void wavelet_3d_buf_fwd_xform (Wavelet3DBuf* buf,
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int a_moments, int s_moments);
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extern void wavelet_3d_buf_inv_xform (Wavelet3DBuf* buf,
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int a_moments, int s_moments);
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extern int wavelet_3d_buf_encode_coeff (const Wavelet3DBuf* buf,
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uint8_t *bitstream,
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uint32_t limit);
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extern void wavelet_3d_buf_decode_coeff (Wavelet3DBuf* buf,
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uint8_t *bitstream,
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uint32_t limit);
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#if defined(DBG_XFORM)
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extern void wavelet_3d_buf_dump (char *fmt,
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uint32_t first_frame_in_buf,
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uint32_t id,
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Wavelet3DBuf* buf,
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int16_t offset);
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#else
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#define wavelet_3d_buf_dump(x...)
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#endif
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#endif
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