diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2013-01-14 22:30:30 +0100 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2013-01-14 22:59:05 +0100 |
commit | 30981a966f175b424fe94ef04f56c1e9bebe47dd (patch) | |
tree | 4987fe22402580bb357b184bb1ffa47801bd35e7 /libavcodec/dwt.h | |
parent | 922332e60df386f11e559bc5744c979ea65c7f3a (diff) |
lavc: split snow and dirac DWTs
There is only about 4 lines of common code, so it alot cleaner
when seperated.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/dwt.h')
-rw-r--r-- | libavcodec/dwt.h | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/libavcodec/dwt.h b/libavcodec/dwt.h deleted file mode 100644 index d82e510006..0000000000 --- a/libavcodec/dwt.h +++ /dev/null @@ -1,215 +0,0 @@ -/* - * 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 DWTCompose { - 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, 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); - - 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 -#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(DWTContext *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(DWTContext *c); -void ff_dwt_init_x86(DWTContext *c); - -#endif /* AVCODEC_DWT_H */ |