media/libjpeg/jsimd_none.c

   1 /*
   2  * jsimd_none.c
   3  *
   4  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
   5  * Copyright 2009-2011 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_rgb_gray (void)
  29 {
  30   return 0;
  31 }
  32
  33 GLOBAL(int)
  34 jsimd_can_ycc_rgb (void)
  35 {
  36   return 0;
  37 }
  38
  39 GLOBAL(void)
  40 jsimd_rgb_ycc_convert (j_compress_ptr cinfo,
  41                        JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
  42                        JDIMENSION output_row, int num_rows)
  43 {
  44 }
  45
  46 GLOBAL(void)
  47 jsimd_rgb_gray_convert (j_compress_ptr cinfo,
  48                         JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
  49                         JDIMENSION output_row, int num_rows)
  50 {
  51 }
  52
  53 GLOBAL(void)
  54 jsimd_ycc_rgb_convert (j_decompress_ptr cinfo,
  55                        JSAMPIMAGE input_buf, JDIMENSION input_row,
  56                        JSAMPARRAY output_buf, int num_rows)
  57 {
  58 }
  59
  60 GLOBAL(int)
  61 jsimd_can_h2v2_downsample (void)
  62 {
  63   return 0;
  64 }
  65
  66 GLOBAL(int)
  67 jsimd_can_h2v1_downsample (void)
  68 {
  69   return 0;
  70 }
  71
  72 GLOBAL(void)
  73 jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
  74                        JSAMPARRAY input_data, JSAMPARRAY output_data)
  75 {
  76 }
  77
  78 GLOBAL(void)
  79 jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
  80                        JSAMPARRAY input_data, JSAMPARRAY output_data)
  81 {
  82 }
  83
  84 GLOBAL(int)
  85 jsimd_can_h2v2_upsample (void)
  86 {
  87   return 0;
  88 }
  89
  90 GLOBAL(int)
  91 jsimd_can_h2v1_upsample (void)
  92 {
  93   return 0;
  94 }
  95
  96 GLOBAL(void)
  97 jsimd_h2v2_upsample (j_decompress_ptr cinfo,
  98                      jpeg_component_info * compptr,
  99                      JSAMPARRAY input_data,
 100                      JSAMPARRAY * output_data_ptr)
 101 {
 102 }
 103
 104 GLOBAL(void)
 105 jsimd_h2v1_upsample (j_decompress_ptr cinfo,
 106                      jpeg_component_info * compptr,
 107                      JSAMPARRAY input_data,
 108                      JSAMPARRAY * output_data_ptr)
 109 {
 110 }
 111
 112 GLOBAL(int)
 113 jsimd_can_h2v2_fancy_upsample (void)
 114 {
 115   return 0;
 116 }
 117
 118 GLOBAL(int)
 119 jsimd_can_h2v1_fancy_upsample (void)
 120 {
 121   return 0;
 122 }
 123
 124 GLOBAL(void)
 125 jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo,
 126                            jpeg_component_info * compptr,
 127                            JSAMPARRAY input_data,
 128                            JSAMPARRAY * output_data_ptr)
 129 {
 130 }
 131
 132 GLOBAL(void)
 133 jsimd_h2v1_fancy_upsample (j_decompress_ptr cinfo,
 134                            jpeg_component_info * compptr,
 135                            JSAMPARRAY input_data,
 136                            JSAMPARRAY * output_data_ptr)
 137 {
 138 }
 139
 140 GLOBAL(int)
 141 jsimd_can_h2v2_merged_upsample (void)
 142 {
 143   return 0;
 144 }
 145
 146 GLOBAL(int)
 147 jsimd_can_h2v1_merged_upsample (void)
 148 {
 149   return 0;
 150 }
 151
 152 GLOBAL(void)
 153 jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo,
 154                             JSAMPIMAGE input_buf,
 155                             JDIMENSION in_row_group_ctr,
 156                             JSAMPARRAY output_buf)
 157 {
 158 }
 159
 160 GLOBAL(void)
 161 jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo,
 162                             JSAMPIMAGE input_buf,
 163                             JDIMENSION in_row_group_ctr,
 164                             JSAMPARRAY output_buf)
 165 {
 166 }
 167
 168 GLOBAL(int)
 169 jsimd_can_convsamp (void)
 170 {
 171   return 0;
 172 }
 173
 174 GLOBAL(int)
 175 jsimd_can_convsamp_float (void)
 176 {
 177   return 0;
 178 }
 179
 180 GLOBAL(void)
 181 jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col,
 182                 DCTELEM * workspace)
 183 {
 184 }
 185
 186 GLOBAL(void)
 187 jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col,
 188                       FAST_FLOAT * workspace)
 189 {
 190 }
 191
 192 GLOBAL(int)
 193 jsimd_can_fdct_islow (void)
 194 {
 195   return 0;
 196 }
 197
 198 GLOBAL(int)
 199 jsimd_can_fdct_ifast (void)
 200 {
 201   return 0;
 202 }
 203
 204 GLOBAL(int)
 205 jsimd_can_fdct_float (void)
 206 {
 207   return 0;
 208 }
 209
 210 GLOBAL(void)
 211 jsimd_fdct_islow (DCTELEM * data)
 212 {
 213 }
 214
 215 GLOBAL(void)
 216 jsimd_fdct_ifast (DCTELEM * data)
 217 {
 218 }
 219
 220 GLOBAL(void)
 221 jsimd_fdct_float (FAST_FLOAT * data)
 222 {
 223 }
 224
 225 GLOBAL(int)
 226 jsimd_can_quantize (void)
 227 {
 228   return 0;
 229 }
 230
 231 GLOBAL(int)
 232 jsimd_can_quantize_float (void)
 233 {
 234   return 0;
 235 }
 236
 237 GLOBAL(void)
 238 jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors,
 239                 DCTELEM * workspace)
 240 {
 241 }
 242
 243 GLOBAL(void)
 244 jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors,
 245                       FAST_FLOAT * workspace)
 246 {
 247 }
 248
 249 GLOBAL(int)
 250 jsimd_can_idct_2x2 (void)
 251 {
 252   return 0;
 253 }
 254
 255 GLOBAL(int)
 256 jsimd_can_idct_4x4 (void)
 257 {
 258   return 0;
 259 }
 260
 261 GLOBAL(void)
 262 jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
 263                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
 264                 JDIMENSION output_col)
 265 {
 266 }
 267
 268 GLOBAL(void)
 269 jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
 270                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
 271                 JDIMENSION output_col)
 272 {
 273 }
 274
 275 GLOBAL(int)
 276 jsimd_can_idct_islow (void)
 277 {
 278   return 0;
 279 }
 280
 281 GLOBAL(int)
 282 jsimd_can_idct_ifast (void)
 283 {
 284   return 0;
 285 }
 286
 287 GLOBAL(int)
 288 jsimd_can_idct_float (void)
 289 {
 290   return 0;
 291 }
 292
 293 GLOBAL(void)
 294 jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr,
 295                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
 296                 JDIMENSION output_col)
 297 {
 298 }
 299
 300 GLOBAL(void)
 301 jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr,
 302                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
 303                 JDIMENSION output_col)
 304 {
 305 }
 306
 307 GLOBAL(void)
 308 jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr,
 309                 JCOEFPTR coef_block, JSAMPARRAY output_buf,
 310                 JDIMENSION output_col)
 311 {
 312 }
 313