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| 1 : | Isibaar | 1853 | ;/***************************************************************************** |
| 2 : | ; * | ||
| 3 : | ; * XVID MPEG-4 VIDEO CODEC | ||
| 4 : | ; * - colorspace conversions - | ||
| 5 : | ; * | ||
| 6 : | ; * Copyright(C) 2002-2003 Peter Ross <pross@xvid.org> | ||
| 7 : | ; * 2008 Michael Militzer <michael@xvid.org> | ||
| 8 : | ; * | ||
| 9 : | ; * This program is free software ; you can redistribute it and/or modify | ||
| 10 : | ; * it under the terms of the GNU General Public License as published by | ||
| 11 : | ; * the Free Software Foundation ; either version 2 of the License, or | ||
| 12 : | ; * (at your option) any later version. | ||
| 13 : | ; * | ||
| 14 : | ; * This program is distributed in the hope that it will be useful, | ||
| 15 : | ; * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
| 16 : | ; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 17 : | ; * GNU General Public License for more details. | ||
| 18 : | ; * | ||
| 19 : | ; * You should have received a copy of the GNU General Public License | ||
| 20 : | ; * along with this program ; if not, write to the Free Software | ||
| 21 : | ; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 22 : | ; * | ||
| 23 : | ; ****************************************************************************/ | ||
| 24 : | |||
| 25 : | edgomez | 851 | ;------------------------------------------------------------------------------ |
| 26 : | ; | ||
| 27 : | ; MAKE_COLORSPACE(NAME,STACK, BYTES,PIXELS,ROWS, FUNC, ARG1) | ||
| 28 : | ; | ||
| 29 : | ; This macro provides a assembler width/height scroll loop | ||
| 30 : | ; NAME function name | ||
| 31 : | ; STACK additional stack bytes required by FUNC | ||
| 32 : | ; BYTES bytes-per-pixel for the given colorspace | ||
| 33 : | ; PIXELS pixels (columns) operated on per FUNC call | ||
| 34 : | ; VPIXELS vpixels (rows) operated on per FUNC call | ||
| 35 : | ; FUNC conversion macro name; we expect to find FUNC_INIT and FUNC macros | ||
| 36 : | ; ARG1 argument passed to FUNC | ||
| 37 : | ; | ||
| 38 : | ; throughout the FUNC the registers mean: | ||
| 39 : | ;------------------------------------------------------------------------------ | ||
| 40 : | Isibaar | 1795 | |
| 41 : | %define y_stride _EAX | ||
| 42 : | %define u_ptr _EBX | ||
| 43 : | %define v_ptr _ECX | ||
| 44 : | %define x_stride _EDX | ||
| 45 : | %define x_stride_d edx | ||
| 46 : | %define y_ptr _ESI | ||
| 47 : | %define x_ptr _EDI | ||
| 48 : | %define width _EBP | ||
| 49 : | |||
| 50 : | edgomez | 851 | %macro MAKE_COLORSPACE 8 |
| 51 : | %define NAME %1 | ||
| 52 : | %define STACK %2 | ||
| 53 : | %define BYTES %3 | ||
| 54 : | %define PIXELS %4 | ||
| 55 : | %define VPIXELS %5 | ||
| 56 : | %define FUNC %6 | ||
| 57 : | %define ARG1 %7 | ||
| 58 : | %define ARG2 %8 | ||
| 59 : | ; --- define function global/symbol | ||
| 60 : | Isibaar | 1795 | ALIGN SECTION_ALIGN |
| 61 : | edgomez | 851 | cglobal NAME |
| 62 : | edgomez | 1382 | NAME: |
| 63 : | edgomez | 851 | ; --- init stack --- |
| 64 : | |||
| 65 : | Isibaar | 1795 | push _EBX ; esp + localsize + 16 |
| 66 : | edgomez | 851 | |
| 67 : | Isibaar | 1795 | %ifdef ARCH_IS_X86_64 |
| 68 : | edgomez | 851 | |
| 69 : | Isibaar | 1795 | %define localsize 2*PTR_SIZE + STACK |
| 70 : | %ifndef WINDOWS | ||
| 71 : | %define pushsize 2*PTR_SIZE | ||
| 72 : | %define shadow 0 | ||
| 73 : | %else | ||
| 74 : | %define pushsize 4*PTR_SIZE | ||
| 75 : | Isibaar | 1803 | %define shadow 32 + 2*PTR_SIZE |
| 76 : | Isibaar | 1795 | %endif |
| 77 : | edgomez | 851 | |
| 78 : | Isibaar | 1795 | %define prm_vflip dword [_ESP + localsize + pushsize + shadow + 4*PTR_SIZE] |
| 79 : | %define prm_height dword [_ESP + localsize + pushsize + shadow + 3*PTR_SIZE] | ||
| 80 : | %define prm_width dword [_ESP + localsize + pushsize + shadow + 2*PTR_SIZE] | ||
| 81 : | %define prm_uv_stride dword [_ESP + localsize + pushsize + shadow + 1*PTR_SIZE] | ||
| 82 : | edgomez | 851 | |
| 83 : | Isibaar | 1795 | %ifdef WINDOWS |
| 84 : | Isibaar | 1803 | %define prm_y_stride dword [_ESP + localsize + pushsize + shadow + 0*PTR_SIZE] |
| 85 : | %define prm_v_ptr [_ESP + localsize + pushsize + shadow - 1*PTR_SIZE] | ||
| 86 : | edgomez | 851 | |
| 87 : | Isibaar | 1795 | push _ESI ; esp + localsize + 8 |
| 88 : | push _EDI ; esp + localsize + 4 | ||
| 89 : | |||
| 90 : | %else | ||
| 91 : | %define prm_y_stride prm6d | ||
| 92 : | %define prm_v_ptr prm5 | ||
| 93 : | %endif | ||
| 94 : | |||
| 95 : | %define prm_u_ptr prm4 | ||
| 96 : | %define prm_y_ptr prm3 | ||
| 97 : | %define prm_x_stride prm2d | ||
| 98 : | %define prm_x_ptr prm1 | ||
| 99 : | %define _ip _ESP + localsize + pushsize + 0 | ||
| 100 : | |||
| 101 : | %define x_dif TMP0 | ||
| 102 : | |||
| 103 : | %else | ||
| 104 : | |||
| 105 : | %define localsize 5*PTR_SIZE + STACK | ||
| 106 : | %define pushsize 4*PTR_SIZE | ||
| 107 : | |||
| 108 : | %define prm_vflip [_ESP + localsize + pushsize + 10*PTR_SIZE] | ||
| 109 : | %define prm_height [_ESP + localsize + pushsize + 9*PTR_SIZE] | ||
| 110 : | %define prm_width [_ESP + localsize + pushsize + 8*PTR_SIZE] | ||
| 111 : | %define prm_uv_stride [_ESP + localsize + pushsize + 7*PTR_SIZE] | ||
| 112 : | %define prm_y_stride [_ESP + localsize + pushsize + 6*PTR_SIZE] | ||
| 113 : | %define prm_v_ptr [_ESP + localsize + pushsize + 5*PTR_SIZE] | ||
| 114 : | %define prm_u_ptr [_ESP + localsize + pushsize + 4*PTR_SIZE] | ||
| 115 : | %define prm_y_ptr [_ESP + localsize + pushsize + 3*PTR_SIZE] | ||
| 116 : | %define prm_x_stride [_ESP + localsize + pushsize + 2*PTR_SIZE] | ||
| 117 : | %define prm_x_ptr [_ESP + localsize + pushsize + 1*PTR_SIZE] | ||
| 118 : | %define _ip _ESP + localsize + pushsize + 0 | ||
| 119 : | |||
| 120 : | %define x_dif dword [_ESP + localsize - 5*4] | ||
| 121 : | |||
| 122 : | push _ESI ; esp + localsize + 8 | ||
| 123 : | push _EDI ; esp + localsize + 4 | ||
| 124 : | |||
| 125 : | %endif | ||
| 126 : | |||
| 127 : | push _EBP ; esp + localsize + 0 | ||
| 128 : | |||
| 129 : | %define y_dif dword [_ESP + localsize - 1*4] | ||
| 130 : | %define uv_dif dword [_ESP + localsize - 2*4] | ||
| 131 : | %define fixed_width dword [_ESP + localsize - 3*4] | ||
| 132 : | %define tmp_height dword [_ESP + localsize - 4*4] | ||
| 133 : | |||
| 134 : | sub _ESP, localsize | ||
| 135 : | |||
| 136 : | edgomez | 1382 | ; --- init varibles --- |
| 137 : | |||
| 138 : | Isibaar | 1795 | mov eax, prm_width ; fixed width |
| 139 : | add eax, 15 ; | ||
| 140 : | and eax, ~15 ; | ||
| 141 : | mov fixed_width, eax ; | ||
| 142 : | edgomez | 851 | |
| 143 : | Isibaar | 1795 | mov ebx, prm_x_stride ; |
| 144 : | edgomez | 851 | %rep BYTES |
| 145 : | Isibaar | 1795 | sub _EBX, _EAX ; |
| 146 : | edgomez | 851 | %endrep |
| 147 : | Isibaar | 1795 | mov x_dif, _EBX ; x_dif = x_stride - BYTES*fixed_width |
| 148 : | edgomez | 851 | |
| 149 : | Isibaar | 1795 | mov ebx, prm_y_stride ; |
| 150 : | sub ebx, eax ; | ||
| 151 : | mov y_dif, ebx ; y_dif = y_stride - fixed_width | ||
| 152 : | edgomez | 851 | |
| 153 : | Isibaar | 1795 | mov ebx, prm_uv_stride ; |
| 154 : | mov TMP1, _EAX ; | ||
| 155 : | shr TMP1, 1 ; | ||
| 156 : | sub _EBX, TMP1 ; | ||
| 157 : | mov uv_dif, ebx ; uv_dif = uv_stride - fixed_width/2 | ||
| 158 : | edgomez | 851 | |
| 159 : | Isibaar | 1795 | %ifdef ARCH_IS_X86_64 |
| 160 : | %ifndef WINDOWS | ||
| 161 : | mov TMP1d, prm_x_stride | ||
| 162 : | mov _ESI, prm_y_ptr | ||
| 163 : | mov _EDX, TMP1 | ||
| 164 : | %else | ||
| 165 : | mov _ESI, prm_y_ptr | ||
| 166 : | mov _EDI, prm_x_ptr | ||
| 167 : | %endif | ||
| 168 : | %else | ||
| 169 : | mov _ESI, prm_y_ptr ; $esi$ = y_ptr | ||
| 170 : | mov _EDI, prm_x_ptr ; $edi$ = x_ptr | ||
| 171 : | mov edx, prm_x_stride ; $edx$ = x_stride | ||
| 172 : | %endif | ||
| 173 : | edgomez | 851 | |
| 174 : | Isibaar | 1795 | mov ebp, prm_height ; $ebp$ = height |
| 175 : | edgomez | 851 | |
| 176 : | Isibaar | 1795 | mov ebx, prm_vflip |
| 177 : | or _EBX, _EBX | ||
| 178 : | edgomez | 1382 | jz .dont_flip |
| 179 : | edgomez | 851 | |
| 180 : | edgomez | 1382 | ; --- do flipping --- |
| 181 : | edgomez | 851 | |
| 182 : | Isibaar | 1795 | xor _EBX,_EBX |
| 183 : | edgomez | 851 | %rep BYTES |
| 184 : | Isibaar | 1795 | sub _EBX, _EAX |
| 185 : | edgomez | 851 | %endrep |
| 186 : | Isibaar | 1795 | sub _EBX, _EDX |
| 187 : | mov x_dif, _EBX ; x_dif = -BYTES*fixed_width - x_stride | ||
| 188 : | edgomez | 851 | |
| 189 : | Isibaar | 1834 | lea _EAX, [_EBP-1] |
| 190 : | |||
| 191 : | Isibaar | 1795 | %ifdef ARCH_IS_X86_64 |
| 192 : | mov TMP1, _EDX | ||
| 193 : | mul edx | ||
| 194 : | mov _EDX, TMP1 | ||
| 195 : | %else | ||
| 196 : | push _EDX | ||
| 197 : | mul edx | ||
| 198 : | pop _EDX | ||
| 199 : | %endif | ||
| 200 : | add _EDI, _EAX ; $edi$ += (height-1) * x_stride | ||
| 201 : | edgomez | 851 | |
| 202 : | Isibaar | 1795 | neg _EDX ; x_stride = -x_stride |
| 203 : | edgomez | 851 | |
| 204 : | Isibaar | 1793 | .dont_flip: |
| 205 : | edgomez | 851 | |
| 206 : | edgomez | 1382 | ; --- begin loop --- |
| 207 : | edgomez | 851 | |
| 208 : | Isibaar | 1795 | mov eax, prm_y_stride ; $eax$ = y_stride |
| 209 : | mov _EBX, prm_u_ptr ; $ebx$ = u_ptr | ||
| 210 : | mov _ECX, prm_v_ptr ; $ecx$ = v_ptr | ||
| 211 : | edgomez | 851 | |
| 212 : | Isibaar | 1795 | FUNC %+ _INIT ARG1, ARG2 ; call FUNC_INIT |
| 213 : | edgomez | 851 | |
| 214 : | Isibaar | 1793 | .y_loop: |
| 215 : | Isibaar | 1795 | mov tmp_height, ebp |
| 216 : | mov ebp, fixed_width | ||
| 217 : | edgomez | 851 | |
| 218 : | Isibaar | 1793 | .x_loop: |
| 219 : | Isibaar | 1795 | FUNC ARG1, ARG2 ; call FUNC |
| 220 : | edgomez | 851 | |
| 221 : | Isibaar | 1795 | add _EDI, BYTES*PIXELS ; x_ptr += BYTES*PIXELS |
| 222 : | add _ESI, PIXELS ; y_ptr += PIXELS | ||
| 223 : | add _EBX, PIXELS/2 ; u_ptr += PIXELS/2 | ||
| 224 : | add _ECX, PIXELS/2 ; v_ptr += PIXELS/2 | ||
| 225 : | edgomez | 1382 | |
| 226 : | Isibaar | 1795 | sub _EBP, PIXELS ; $ebp$ -= PIXELS |
| 227 : | jg .x_loop ; if ($ebp$ > 0) goto .x_loop | ||
| 228 : | edgomez | 851 | |
| 229 : | Isibaar | 1795 | mov ebp, tmp_height |
| 230 : | add _EDI, x_dif ; x_ptr += x_dif + (VPIXELS-1)*x_stride | ||
| 231 : | %ifdef ARCH_IS_X86_64 | ||
| 232 : | mov TMP1d, y_dif | ||
| 233 : | add _ESI, TMP1 ; y_ptr += y_dif + (VPIXELS-1)*y_stride | ||
| 234 : | %else | ||
| 235 : | add _ESI, y_dif ; y_ptr += y_dif + (VPIXELS-1)*y_stride | ||
| 236 : | %endif | ||
| 237 : | |||
| 238 : | edgomez | 851 | %rep VPIXELS-1 |
| 239 : | Isibaar | 1795 | add _EDI, _EDX |
| 240 : | add _ESI, _EAX | ||
| 241 : | edgomez | 851 | %endrep |
| 242 : | |||
| 243 : | Isibaar | 1795 | %ifdef ARCH_IS_X86_64 |
| 244 : | mov TMP1d, uv_dif | ||
| 245 : | add _EBX, TMP1 ; u_ptr += uv_dif + ((VPIXELS/2)-1)*uv_stride | ||
| 246 : | add _ECX, TMP1 ; v_ptr += uv_dif + ((VPIXELS/2)-1)*uv_stride | ||
| 247 : | %else | ||
| 248 : | add _EBX, uv_dif ; u_ptr += uv_dif + ((VPIXELS/2)-1)*uv_stride | ||
| 249 : | add _ECX, uv_dif ; v_ptr += uv_dif + ((VPIXELS/2)-1)*uv_stride | ||
| 250 : | %endif | ||
| 251 : | |||
| 252 : | edgomez | 851 | %rep (VPIXELS/2)-1 |
| 253 : | Isibaar | 1795 | %ifdef ARCH_IS_X86_64 |
| 254 : | mov TMP1d, prm_uv_stride | ||
| 255 : | add _EBX, TMP1 | ||
| 256 : | add _ECX, TMP1 | ||
| 257 : | %else | ||
| 258 : | add _EBX, prm_uv_stride | ||
| 259 : | add _ECX, prm_uv_stride | ||
| 260 : | %endif | ||
| 261 : | edgomez | 851 | %endrep |
| 262 : | |||
| 263 : | Isibaar | 1795 | sub _EBP, VPIXELS ; $ebp$ -= VPIXELS |
| 264 : | jg .y_loop ; if ($ebp$ > 0) goto .y_loop | ||
| 265 : | edgomez | 851 | |
| 266 : | edgomez | 1382 | ; cleanup stack & undef everything |
| 267 : | edgomez | 851 | |
| 268 : | Isibaar | 1795 | add _ESP, localsize |
| 269 : | edgomez | 851 | |
| 270 : | Isibaar | 1795 | pop _EBP |
| 271 : | %ifndef ARCH_IS_X86_64 | ||
| 272 : | pop _EDI | ||
| 273 : | pop _ESI | ||
| 274 : | %else | ||
| 275 : | %ifdef WINDOWS | ||
| 276 : | pop _EDI | ||
| 277 : | pop _ESI | ||
| 278 : | %endif | ||
| 279 : | %endif | ||
| 280 : | pop _EBX | ||
| 281 : | |||
| 282 : | %undef prm_vflip | ||
| 283 : | %undef prm_height | ||
| 284 : | %undef prm_width | ||
| 285 : | %undef prm_uv_stride | ||
| 286 : | %undef prm_y_stride | ||
| 287 : | %undef prm_v_ptr | ||
| 288 : | %undef prm_u_ptr | ||
| 289 : | %undef prm_y_ptr | ||
| 290 : | %undef prm_x_stride | ||
| 291 : | %undef prm_x_ptr | ||
| 292 : | edgomez | 851 | %undef _ip |
| 293 : | %undef x_dif | ||
| 294 : | %undef y_dif | ||
| 295 : | %undef uv_dif | ||
| 296 : | %undef fixed_width | ||
| 297 : | %undef tmp_height | ||
| 298 : | edgomez | 1382 | ret |
| 299 : | Isibaar | 1793 | ENDFUNC |
| 300 : | edgomez | 851 | %undef NAME |
| 301 : | %undef STACK | ||
| 302 : | %undef BYTES | ||
| 303 : | %undef PIXELS | ||
| 304 : | %undef VPIXELS | ||
| 305 : | %undef FUNC | ||
| 306 : | %undef ARG1 | ||
| 307 : | %endmacro | ||
| 308 : | ;------------------------------------------------------------------------------ |
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