mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-27 09:52:17 +00:00
30981a966f
There is only about 4 lines of common code, so it alot cleaner when seperated. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
128 lines
4.6 KiB
C
128 lines
4.6 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_SNOW_DWT_H
|
|
#define AVCODEC_SNOW_DWT_H
|
|
|
|
#include <stdint.h>
|
|
|
|
typedef int DWTELEM;
|
|
typedef short IDWTELEM;
|
|
|
|
#define MAX_DECOMPOSITIONS 8
|
|
|
|
typedef struct DWTCompose {
|
|
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 SnowDWTContext;
|
|
|
|
typedef struct SnowDWTContext {
|
|
void (*vertical_compose97i)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
|
|
IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5,
|
|
int width);
|
|
void (*horizontal_compose97i)(IDWTELEM *b, IDWTELEM *temp, 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);
|
|
} SnowDWTContext;
|
|
|
|
|
|
#define DWT_97 0
|
|
#define DWT_53 1
|
|
|
|
#define liftS lift
|
|
#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
|
|
|
|
#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)))
|
|
|
|
int 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, IDWTELEM *temp, 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 *temp, 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(SnowDWTContext *dsp, DWTCompose *cs,
|
|
slice_buffer *slice_buf, IDWTELEM *temp,
|
|
int width, int height, int stride_line,
|
|
int type, int decomposition_count, int y);
|
|
void ff_spatial_idwt(IDWTELEM *buffer, IDWTELEM *temp, int width, int height,
|
|
int stride, int type, int decomposition_count);
|
|
|
|
void ff_dwt_init(SnowDWTContext *c);
|
|
void ff_dwt_init_x86(SnowDWTContext *c);
|
|
|
|
#endif /* AVCODEC_DWT_H */
|