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authorMichael Niedermayer <michaelni@gmx.at>2013-01-14 22:30:30 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-01-14 22:59:05 +0100
commit30981a966f175b424fe94ef04f56c1e9bebe47dd (patch)
tree4987fe22402580bb357b184bb1ffa47801bd35e7 /libavcodec/dwt.h
parent922332e60df386f11e559bc5744c979ea65c7f3a (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.h215
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 */