release/src/router/ffmpeg/libavcodec/dwt.h

   1 /*
   2  * Copyright (C) 2004-2010 Michael Niedermayer <michaelni@gmx.at>
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef AVCODEC_DWT_H
  22 #define AVCODEC_DWT_H
  23
  24 #include <stdint.h>
  25
  26 typedef int DWTELEM;
  27 typedef short IDWTELEM;
  28
  29 typedef struct {
  30     IDWTELEM *b0;
  31     IDWTELEM *b1;
  32     IDWTELEM *b2;
  33     IDWTELEM *b3;
  34     int y;
  35 } DWTCompose;
  36
  37 /** Used to minimize the amount of memory used in order to optimize cache performance. **/
  38 typedef struct slice_buffer_s {
  39     IDWTELEM * * line; ///< For use by idwt and predict_slices.
  40     IDWTELEM * * data_stack; ///< Used for internal purposes.
  41     int data_stack_top;
  42     int line_count;
  43     int line_width;
  44     int data_count;
  45     IDWTELEM * base_buffer; ///< Buffer that this structure is caching.
  46 } slice_buffer;
  47
  48 typedef struct DWTContext {
  49     void (*vertical_compose97i)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width);
  50     void (*horizontal_compose97i)(IDWTELEM *b, int width);
  51     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);
  52 } DWTContext;
  53
  54 #define MAX_DECOMPOSITIONS 8
  55
  56 #define DWT_97 0
  57 #define DWT_53 1
  58
  59 #define liftS lift
  60 #if 1
  61 #define W_AM 3
  62 #define W_AO 0
  63 #define W_AS 1
  64
  65 #undef liftS
  66 #define W_BM 1
  67 #define W_BO 8
  68 #define W_BS 4
  69
  70 #define W_CM 1
  71 #define W_CO 0
  72 #define W_CS 0
  73
  74 #define W_DM 3
  75 #define W_DO 4
  76 #define W_DS 3
  77 #elif 0
  78 #define W_AM 55
  79 #define W_AO 16
  80 #define W_AS 5
  81
  82 #define W_BM 3
  83 #define W_BO 32
  84 #define W_BS 6
  85
  86 #define W_CM 127
  87 #define W_CO 64
  88 #define W_CS 7
  89
  90 #define W_DM 7
  91 #define W_DO 8
  92 #define W_DS 4
  93 #elif 0
  94 #define W_AM 97
  95 #define W_AO 32
  96 #define W_AS 6
  97
  98 #define W_BM 63
  99 #define W_BO 512
 100 #define W_BS 10
 101
 102 #define W_CM 13
 103 #define W_CO 8
 104 #define W_CS 4
 105
 106 #define W_DM 15
 107 #define W_DO 16
 108 #define W_DS 5
 109
 110 #else
 111
 112 #define W_AM 203
 113 #define W_AO 64
 114 #define W_AS 7
 115
 116 #define W_BM 217
 117 #define W_BO 2048
 118 #define W_BS 12
 119
 120 #define W_CM 113
 121 #define W_CO 64
 122 #define W_CS 7
 123
 124 #define W_DM 227
 125 #define W_DO 128
 126 #define W_DS 9
 127 #endif
 128
 129 #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)))
 130 //#define slice_buffer_get_line(slice_buf, line_num) (ff_slice_buffer_load_line((slice_buf), (line_num)))
 131
 132 void ff_slice_buffer_init(slice_buffer * buf, int line_count, int max_allocated_lines, int line_width, IDWTELEM * base_buffer);
 133 void ff_slice_buffer_release(slice_buffer * buf, int line);
 134 void ff_slice_buffer_flush(slice_buffer * buf);
 135 void ff_slice_buffer_destroy(slice_buffer * buf);
 136 IDWTELEM * ff_slice_buffer_load_line(slice_buffer * buf, int line);
 137
 138 void ff_snow_vertical_compose97i(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width);
 139 void ff_snow_horizontal_compose97i(IDWTELEM *b, int width);
 140 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);
 141
 142 int ff_w53_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h);
 143 int ff_w97_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h);
 144
 145 void ff_spatial_dwt(int *buffer, int width, int height, int stride, int type, int decomposition_count);
 146
 147 void ff_spatial_idwt_buffered_init(DWTCompose *cs, slice_buffer * sb, int width, int height, int stride_line, int type, int decomposition_count);
 148 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);
 149 void ff_spatial_idwt_init(DWTCompose *cs, IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count);
 150 void ff_spatial_idwt_slice(DWTCompose *cs, IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count, int y);
 151 void ff_spatial_idwt(IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count);
 152
 153 void ff_dwt_init(DWTContext *c);
 154 void ff_dwt_init_x86(DWTContext *c);
 155
 156 #endif /* AVCODEC_DWT_H */