mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-11 02:46:33 +00:00
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
|
#ifndef __WAVELET_H
|
||
|
|
#define __WAVELET_H
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
TYPE *data;
|
||
|
|
uint32_t width;
|
||
|
|
uint32_t height;
|
||
|
|
uint32_t frames;
|
||
|
|
uint32_t scales;
|
||
|
|
uint32_t *w;
|
||
|
|
uint32_t *h;
|
||
|
|
uint32_t *f;
|
||
|
|
uint32_t (*offset)[8];
|
||
|
|
TYPE *scratchbuf;
|
||
|
|
} Wavelet3DBuf;
|
||
|
|
|
||
|
|
|
||
|
|
extern Wavelet3DBuf* wavelet_3d_buf_new (uint32_t width, uint32_t height,
|
||
|
|
uint32_t frames);
|
||
|
|
|
||
|
|
extern void wavelet_3d_buf_destroy (Wavelet3DBuf* buf);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* transform buf->data
|
||
|
|
* a_moments is the number of vanishing moments of the analyzing
|
||
|
|
* highpass filter,
|
||
|
|
* s_moments the one of the synthesizing lowpass filter.
|
||
|
|
*/
|
||
|
|
extern void wavelet_3d_buf_fwd_xform (Wavelet3DBuf* buf,
|
||
|
|
int a_moments, int s_moments);
|
||
|
|
extern void wavelet_3d_buf_inv_xform (Wavelet3DBuf* buf,
|
||
|
|
int a_moments, int s_moments);
|
||
|
|
|
||
|
|
extern int wavelet_3d_buf_encode_coeff (const Wavelet3DBuf* buf,
|
||
|
|
uint8_t *bitstream,
|
||
|
|
uint32_t limit);
|
||
|
|
|
||
|
|
extern void wavelet_3d_buf_decode_coeff (Wavelet3DBuf* buf,
|
||
|
|
uint8_t *bitstream,
|
||
|
|
uint32_t limit);
|
||
|
|
|
||
|
|
#if defined(DBG_XFORM)
|
||
|
|
extern void wavelet_3d_buf_dump (char *fmt,
|
||
|
|
uint32_t first_frame_in_buf,
|
||
|
|
uint32_t id,
|
||
|
|
Wavelet3DBuf* buf,
|
||
|
|
int16_t offset);
|
||
|
|
#else
|
||
|
|
#define wavelet_3d_buf_dump(x...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|