jpeg/jsimd_none.c

   1 /*
   2  * jsimd_none.c
   3  *
   4  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
   5  * Copyright 2009 D. R. Commander
   6  *
   7  * Based on the x86 SIMD extension for IJG JPEG library,
   8  * Copyright (C) 1999-2006, MIYASAKA Masaru.
   9  * For conditions of distribution and use, see copyright notice in jsimdext.inc
  10  *
  11  * This file contains stubs for when there is no SIMD support available.
  12  */
  13
  14 #define JPEG_INTERNALS
  15 #include "jinclude.h"
  16 #include "jpeglib.h"
  17 #include "jsimd.h"
  18 #include "jdct.h"
  19 #include "jsimddct.h"
  20
  21 GLOBAL(int)
  22 jsimd_can_rgb_ycc (void)
  23 {
  24   return 0;
  25 }
  26
  27 GLOBAL(int)
  28 jsimd_can_ycc_rgb (void)
  29 {
  30   return 0;
  31 }
  32
  33 GLOBAL(void)
  34 jsimd_rgb_ycc_convert (j_compress_ptr cinfo,
  35                        JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
  36                        JDIMENSION output_row, int num_rows)
  37 {
  38 }
  39
  40 GLOBAL(void)
  41 jsimd_ycc_rgb_convert (j_decompress_ptr cinfo,
  42                        JSAMPIMAGE input_buf, JDIMENSION input_row,
  43                        JSAMPARRAY output_buf, int num_rows)
  44 {
  45 }
  46
  47 GLOBAL(int)
  48 jsimd_can_h2v2_downsample (void)
  49 {
  50   return 0;
  51 }
  52
  53 GLOBAL(int)
  54 jsimd_can_h2v1_downsample (void)
  55 {
  56   return 0;
  57 }
  58
  59 GLOBAL(void)
  60 jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
  61                        JSAMPARRAY input_data, JSAMPARRAY output_data)
  62 {
  63 }
  64
  65 GLOBAL(void)
  66 jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
  67                        JSAMPARRAY input_data, JSAMPARRAY output_data)
  68 {
  69 }
  70
  71 GLOBAL(int)
  72 jsimd_can_h2v2_upsample (void)
  73 {
  74   return 0;
  75 }
  76
  77 GLOBAL(int)
  78 jsimd_can_h2v1_upsample (void)
  79 {
  80   return 0;
  81 }
  82
  83 GLOBAL(void)
  84 jsimd_h2v2_upsample (j_decompress_ptr cinfo,
  85                      jpeg_component_info * compptr,
  86                      JSAMPARRAY input_data,
  87                      JSAMPARRAY * output_data_ptr)
  88 {
  89 }
  90
  91 GLOBAL(void)
  92 jsimd_h2v1_upsample (j_decompress_ptr cinfo,
  93                      jpeg_component_info * compptr,
  94                      JSAMPARRAY input_data,
  95                      JSAMPARRAY * output_data_ptr)
  96 {
  97 }
  98
  99 GLOBAL(int)
 100 jsimd_can_h2v2_fancy_upsample (void)
 101 {
 102   return 0;
 103 }
 104
 105 GLOBAL(int)
 106 jsimd_can_h2v1_fancy_upsample (void)
 107 {
 108   return 0;
 109 }
 110
 111 GLOBAL(void)
 112 jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo,
 113                            jpeg_component_info * compptr,
 114                            JSAMPARRAY input_data,
 115                            JSAMPARRAY * output_data_ptr)
 116 {
 117 }
 118
 119 GLOBAL(void)
 120 jsimd_h2v1_fancy_upsample (j_decompress_ptr cinfo,
 121                            jpeg_component_info * compptr,
 122                            JSAMPARRAY input_data,
 123                            JSAMPARRAY * output_data_ptr)
 124 {
 125 }
 126
 127 GLOBAL(int)
 128 jsimd_can_h2v2_merged_upsample (void)
 129 {
 130   return 0;
 131 }
 132
 133 GLOBAL(int)
 134 jsimd_can_h2v1_merged_upsample (void)
 135 {
 136   return 0;
 137 }
 138
 139 GLOBAL(void)
 140 jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo,
 141                             JSAMPIMAGE input_buf,
 142                             JDIMENSION in_row_group_ctr,
 143                             JSAMPARRAY output_buf)
 144 {
 145 }
 146
 147 GLOBAL(void)
 148 jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo,
 149                             JSAMPIMAGE input_buf,
 150                             JDIMENSION in_row_group_ctr,
 151                             JSAMPARRAY output_buf)
 152 {
 153 }
 154
 155 GLOBAL(int)
 156 jsimd_can_convsamp (void)
 157 {
 158   return 0;
 159 }
 160
 161 GLOBAL(int)
 162 jsimd_can_convsamp_float (void)
 163 {
 164   return 0;
 165 }
 166
 167 GLOBAL(void)
 168 jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col,
 169                 DCTELEM * workspace)
 170 {
 171 }
 172
 173 GLOBAL(void)
 174 jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col,
 175                       FAST_FLOAT * workspace)
 176 {
 177 }
 178
 179 GLOBAL(int)
 180 jsimd_can_fdct_islow (void)
 181 {
 182   return 0;
 183 }
 184
 185 GLOBAL(int)
 186 jsimd_can_fdct_ifast (void)
 187 {
 188   return 0;
 189 }
 190
 191 GLOBAL(int)
 192 jsimd_can_fdct_float (void)
 193 {
 194   return 0;
 195 }
 196
 197 GLOBAL(void)
 198 jsimd_fdct_islow (DCTELEM * data)
 199 {
 200 }
 201
 202 GLOBAL(void)
 203 jsimd_fdct_ifast (DCTELEM * data)
 204 {
 205 }
 206
 207 GLOBAL(void)
 208 jsimd_fdct_float (FAST_FLOAT * data)
 209 {
 210 }
 211
 212 GLOBAL(int)
 213 jsimd_can_quantize (void)
 214 {
 215   return 0;
 216 }
 217
 218 GLOBAL(int)
 219 jsimd_can_quantize_float (void)
 220 {
 221   return 0;
 222 }
 223
 224 GLOBAL(void)
 225 jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors,
 226                 DCTELEM * workspace)
 227 {
 228 }
 229
 230 GLOBAL(void)
 231 jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors,
 232                       FAST_FLOAT * workspace)
 233 {
 234 }
 235
 236 GLOBAL(int)
 237 jsimd_can_idct_2x2 (void)
 238 {
 239   return 0;
 240 }
 241
 242 GLOBAL(int)
 243 jsimd_can_idct_4x4 (void)
 244 {
 245   return 0;
 246 }
 247
 248 GLOBAL(void)
 249 jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
 250                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
 251                 JDIMENSION output_col)
 252 {
 253 }
 254
 255 GLOBAL(void)
 256 jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
 257                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
 258                 JDIMENSION output_col)
 259 {
 260 }
 261
 262 GLOBAL(int)
 263 jsimd_can_idct_islow (void)
 264 {
 265   return 0;
 266 }
 267
 268 GLOBAL(int)
 269 jsimd_can_idct_ifast (void)
 270 {
 271   return 0;
 272 }
 273
 274 GLOBAL(int)
 275 jsimd_can_idct_float (void)
 276 {
 277   return 0;
 278 }
 279
 280 GLOBAL(void)
 281 jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr,
 282                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
 283                 JDIMENSION output_col)
 284 {
 285 }
 286
 287 GLOBAL(void)
 288 jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr,
 289                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
 290                 JDIMENSION output_col)
 291 {
 292 }
 293
 294 GLOBAL(void)
 295 jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr,
 296                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
 297                 JDIMENSION output_col)
 298 {
 299 }
 300