mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
4bb2b5afc9
(cherry picked from commit 1124056ac054842f36866b4dabb9f8aae0ad06b6) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
246 lines
7.3 KiB
C
246 lines
7.3 KiB
C
/*
|
|
* Copyright (C) 2004-2010 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_DWT_H
|
|
#define AVCODEC_DWT_H
|
|
|
|
#include <stdint.h>
|
|
|
|
typedef int DWTELEM;
|
|
typedef short IDWTELEM;
|
|
|
|
#define MAX_DWT_SUPPORT 8
|
|
#define MAX_DECOMPOSITIONS 8
|
|
|
|
typedef struct {
|
|
IDWTELEM *b[MAX_DWT_SUPPORT];
|
|
|
|
IDWTELEM *b0;
|
|
IDWTELEM *b1;
|
|
IDWTELEM *b2;
|
|
IDWTELEM *b3;
|
|
int y;
|
|
} DWTCompose;
|
|
|
|
/** Used to minimize the amount of memory used in order to optimize cache performance. **/
|
|
typedef struct slice_buffer_s {
|
|
IDWTELEM * * line; ///< For use by idwt and predict_slices.
|
|
IDWTELEM * * data_stack; ///< Used for internal purposes.
|
|
int data_stack_top;
|
|
int line_count;
|
|
int line_width;
|
|
int data_count;
|
|
IDWTELEM * base_buffer; ///< Buffer that this structure is caching.
|
|
} slice_buffer;
|
|
|
|
struct DWTContext;
|
|
|
|
// Possible prototypes for vertical_compose functions
|
|
typedef void (*vertical_compose_2tap)(IDWTELEM *b0, IDWTELEM *b1, int width);
|
|
typedef void (*vertical_compose_3tap)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width);
|
|
typedef void (*vertical_compose_5tap)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, int width);
|
|
typedef void (*vertical_compose_9tap)(IDWTELEM *dst, IDWTELEM *b[8], int width);
|
|
|
|
typedef struct DWTContext {
|
|
IDWTELEM *buffer;
|
|
IDWTELEM *temp;
|
|
int width;
|
|
int height;
|
|
int stride;
|
|
int decomposition_count;
|
|
int support;
|
|
|
|
void (*spatial_compose)(struct DWTContext *cs, int level, int width, int height, int stride);
|
|
void (*vertical_compose_l0)(void);
|
|
void (*vertical_compose_h0)(void);
|
|
void (*vertical_compose_l1)(void);
|
|
void (*vertical_compose_h1)(void);
|
|
void (*vertical_compose)(void); ///< one set of lowpass and highpass combined
|
|
void (*horizontal_compose)(IDWTELEM *b, IDWTELEM *tmp, int width);
|
|
|
|
void (*vertical_compose97i)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width);
|
|
void (*horizontal_compose97i)(IDWTELEM *b, int width);
|
|
void (*inner_add_yblock)(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8);
|
|
|
|
DWTCompose cs[MAX_DECOMPOSITIONS];
|
|
} DWTContext;
|
|
|
|
enum dwt_type {
|
|
DWT_SNOW_DAUB9_7,
|
|
DWT_SNOW_LEGALL5_3,
|
|
DWT_DIRAC_DD9_7,
|
|
DWT_DIRAC_LEGALL5_3,
|
|
DWT_DIRAC_DD13_7,
|
|
DWT_DIRAC_HAAR0,
|
|
DWT_DIRAC_HAAR1,
|
|
DWT_DIRAC_FIDELITY,
|
|
DWT_DIRAC_DAUB9_7,
|
|
DWT_NUM_TYPES
|
|
};
|
|
|
|
// -1 if an error occurred, e.g. the dwt_type isn't recognized
|
|
int ff_spatial_idwt_init2(DWTContext *d, IDWTELEM *buffer, int width, int height,
|
|
int stride, enum dwt_type type, int decomposition_count,
|
|
IDWTELEM *temp);
|
|
|
|
int ff_spatial_idwt2(IDWTELEM *buffer, int width, int height, int stride,
|
|
enum dwt_type type, int decomposition_count, IDWTELEM *temp);
|
|
|
|
void ff_spatial_idwt_slice2(DWTContext *d, int y);
|
|
|
|
// shared stuff for simd optimiztions
|
|
#define COMPOSE_53iL0(b0, b1, b2)\
|
|
(b1 - ((b0 + b2 + 2) >> 2))
|
|
|
|
#define COMPOSE_DIRAC53iH0(b0, b1, b2)\
|
|
(b1 + ((b0 + b2 + 1) >> 1))
|
|
|
|
#define COMPOSE_DD97iH0(b0, b1, b2, b3, b4)\
|
|
(b2 + ((-b0 + 9*b1 + 9*b3 - b4 + 8) >> 4))
|
|
|
|
#define COMPOSE_DD137iL0(b0, b1, b2, b3, b4)\
|
|
(b2 - ((-b0 + 9*b1 + 9*b3 - b4 + 16) >> 5))
|
|
|
|
#define COMPOSE_HAARiL0(b0, b1)\
|
|
(b0 - ((b1 + 1) >> 1))
|
|
|
|
#define COMPOSE_HAARiH0(b0, b1)\
|
|
(b0 + b1)
|
|
|
|
#define COMPOSE_FIDELITYiL0(b0, b1, b2, b3, b4, b5, b6, b7, b8)\
|
|
(b4 - ((-8*(b0+b8) + 21*(b1+b7) - 46*(b2+b6) + 161*(b3+b5) + 128) >> 8))
|
|
|
|
#define COMPOSE_FIDELITYiH0(b0, b1, b2, b3, b4, b5, b6, b7, b8)\
|
|
(b4 + ((-2*(b0+b8) + 10*(b1+b7) - 25*(b2+b6) + 81*(b3+b5) + 128) >> 8))
|
|
|
|
#define COMPOSE_DAUB97iL1(b0, b1, b2)\
|
|
(b1 - ((1817*(b0 + b2) + 2048) >> 12))
|
|
|
|
#define COMPOSE_DAUB97iH1(b0, b1, b2)\
|
|
(b1 - (( 113*(b0 + b2) + 64) >> 7))
|
|
|
|
#define COMPOSE_DAUB97iL0(b0, b1, b2)\
|
|
(b1 + (( 217*(b0 + b2) + 2048) >> 12))
|
|
|
|
#define COMPOSE_DAUB97iH0(b0, b1, b2)\
|
|
(b1 + ((6497*(b0 + b2) + 2048) >> 12))
|
|
|
|
|
|
|
|
#define DWT_97 0
|
|
#define DWT_53 1
|
|
|
|
#define liftS lift
|
|
#if 1
|
|
#define W_AM 3
|
|
#define W_AO 0
|
|
#define W_AS 1
|
|
|
|
#undef liftS
|
|
#define W_BM 1
|
|
#define W_BO 8
|
|
#define W_BS 4
|
|
|
|
#define W_CM 1
|
|
#define W_CO 0
|
|
#define W_CS 0
|
|
|
|
#define W_DM 3
|
|
#define W_DO 4
|
|
#define W_DS 3
|
|
#elif 0
|
|
#define W_AM 55
|
|
#define W_AO 16
|
|
#define W_AS 5
|
|
|
|
#define W_BM 3
|
|
#define W_BO 32
|
|
#define W_BS 6
|
|
|
|
#define W_CM 127
|
|
#define W_CO 64
|
|
#define W_CS 7
|
|
|
|
#define W_DM 7
|
|
#define W_DO 8
|
|
#define W_DS 4
|
|
#elif 0
|
|
#define W_AM 97
|
|
#define W_AO 32
|
|
#define W_AS 6
|
|
|
|
#define W_BM 63
|
|
#define W_BO 512
|
|
#define W_BS 10
|
|
|
|
#define W_CM 13
|
|
#define W_CO 8
|
|
#define W_CS 4
|
|
|
|
#define W_DM 15
|
|
#define W_DO 16
|
|
#define W_DS 5
|
|
|
|
#else
|
|
|
|
#define W_AM 203
|
|
#define W_AO 64
|
|
#define W_AS 7
|
|
|
|
#define W_BM 217
|
|
#define W_BO 2048
|
|
#define W_BS 12
|
|
|
|
#define W_CM 113
|
|
#define W_CO 64
|
|
#define W_CS 7
|
|
|
|
#define W_DM 227
|
|
#define W_DO 128
|
|
#define W_DS 9
|
|
#endif
|
|
|
|
#define slice_buffer_get_line(slice_buf, line_num) ((slice_buf)->line[line_num] ? (slice_buf)->line[line_num] : ff_slice_buffer_load_line((slice_buf), (line_num)))
|
|
//#define slice_buffer_get_line(slice_buf, line_num) (ff_slice_buffer_load_line((slice_buf), (line_num)))
|
|
|
|
void ff_slice_buffer_init(slice_buffer * buf, int line_count, int max_allocated_lines, int line_width, IDWTELEM * base_buffer);
|
|
void ff_slice_buffer_release(slice_buffer * buf, int line);
|
|
void ff_slice_buffer_flush(slice_buffer * buf);
|
|
void ff_slice_buffer_destroy(slice_buffer * buf);
|
|
IDWTELEM * ff_slice_buffer_load_line(slice_buffer * buf, int line);
|
|
|
|
void ff_snow_vertical_compose97i(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width);
|
|
void ff_snow_horizontal_compose97i(IDWTELEM *b, int width);
|
|
void ff_snow_inner_add_yblock(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8);
|
|
|
|
int ff_w53_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h);
|
|
int ff_w97_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h);
|
|
|
|
void ff_spatial_dwt(int *buffer, int width, int height, int stride, int type, int decomposition_count);
|
|
|
|
void ff_spatial_idwt_buffered_init(DWTCompose *cs, slice_buffer * sb, int width, int height, int stride_line, int type, int decomposition_count);
|
|
void ff_spatial_idwt_buffered_slice(DWTContext *dsp, DWTCompose *cs, slice_buffer * slice_buf, int width, int height, int stride_line, int type, int decomposition_count, int y);
|
|
void ff_spatial_idwt(IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count);
|
|
|
|
void ff_dwt_init(DWTContext *c);
|
|
void ff_dwt_init_x86(DWTContext *c);
|
|
|
|
#endif /* AVCODEC_DWT_H */
|