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| 1 ; Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 ; Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 ; Use of this source code is governed by a BSD-style license that can be | 2 ; Use of this source code is governed by a BSD-style license that can be |
| 3 ; found in the LICENSE file. | 3 ; found in the LICENSE file. |
| 4 | 4 |
| 5 %include "media/base/simd/media_export.asm" | 5 %include "media/base/simd/media_export.asm" |
| 6 %include "third_party/x86inc/x86inc.asm" | 6 %include "third_party/x86inc/x86inc.asm" |
| 7 | 7 |
| 8 ; | 8 ; |
| 9 ; This file uses MMX instructions. | 9 ; This file uses MMX instructions. |
| 10 ; | 10 ; |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 %assign stack_offset 0 | 25 %assign stack_offset 0 |
| 26 extern mangle(kCoefficientsRgbY) | 26 extern mangle(kCoefficientsRgbY) |
| 27 | 27 |
| 28 ; Parameters are in the following order: | 28 ; Parameters are in the following order: |
| 29 ; 1. Y plane | 29 ; 1. Y plane |
| 30 ; 2. U plane | 30 ; 2. U plane |
| 31 ; 3. V plane | 31 ; 3. V plane |
| 32 ; 4. ARGB frame | 32 ; 4. ARGB frame |
| 33 ; 5. Width | 33 ; 5. Width |
| 34 ; 6. Source dx | 34 ; 6. Source dx |
| 35 ; 7. Conversion lookup table |
| 35 | 36 |
| 36 PROLOGUE 6, 7, 3, Y, U, V, ARGB, WIDTH, SOURCE_DX, COMPL | 37 PROLOGUE 7, 7, 3, Y, U, V, ARGB, WIDTH, SOURCE_DX, R1 |
| 37 | 38 |
| 38 %define TABLEq r10 | 39 %define TABLEq r10 |
| 39 %define Xq r11 | 40 %define Xq r11 |
| 40 %define INDEXq r12 | 41 %define INDEXq r12 |
| 41 %define COMPRd r13d | 42 %define COMPRd r13d |
| 42 %define COMPRq r13 | 43 %define COMPRq r13 |
| 43 %define FRACTIONq r14 | 44 %define FRACTIONq r14 |
| 45 %define COMPL R1 |
| 46 %define COMPLq R1q |
| 47 %define COMPLd R1d |
| 44 | 48 |
| 45 PUSH TABLEq | 49 PUSH TABLEq |
| 46 PUSH Xq | 50 PUSH Xq |
| 47 PUSH INDEXq | 51 PUSH INDEXq |
| 48 PUSH COMPRq | 52 PUSH COMPRq |
| 49 PUSH FRACTIONq | 53 PUSH FRACTIONq |
| 50 | 54 |
| 51 %macro EPILOGUE 0 | 55 %macro EPILOGUE 0 |
| 52 POP FRACTIONq | 56 POP FRACTIONq |
| 53 POP COMPRq | 57 POP COMPRq |
| 54 POP INDEXq | 58 POP INDEXq |
| 55 POP Xq | 59 POP Xq |
| 56 POP TABLEq | 60 POP TABLEq |
| 57 %endmacro | 61 %endmacro |
| 58 | 62 |
| 59 LOAD_SYM TABLEq, mangle(kCoefficientsRgbY) | 63 mov TABLEq, R1q |
| 60 | 64 |
| 61 imul WIDTHq, SOURCE_DXq ; source_width = width * source_dx | 65 imul WIDTHq, SOURCE_DXq ; source_width = width * source_dx |
| 62 xor Xq, Xq ; x = 0 | 66 xor Xq, Xq ; x = 0 |
| 63 cmp SOURCE_DXq, 0x20000 | 67 cmp SOURCE_DXq, 0x20000 |
| 64 jl .lscaleend | 68 jl .lscaleend |
| 65 mov Xq, 0x8000 ; x = 0.5 for 1/2 or less | 69 mov Xq, 0x8000 ; x = 0.5 for 1/2 or less |
| 66 jmp .lscaleend | 70 jmp .lscaleend |
| 67 | 71 |
| 68 .lscaleloop: | 72 .lscaleloop: |
| 69 ; Interpolate U | 73 ; Interpolate U |
| (...skipping 70 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 140 | 144 |
| 141 .lscalelastpixel: | 145 .lscalelastpixel: |
| 142 paddsw mm1, mm0 | 146 paddsw mm1, mm0 |
| 143 psraw mm1, 6 | 147 psraw mm1, 6 |
| 144 packuswb mm1, mm1 | 148 packuswb mm1, mm1 |
| 145 movd [ARGBq], mm1 | 149 movd [ARGBq], mm1 |
| 146 | 150 |
| 147 .epilogue | 151 .epilogue |
| 148 EPILOGUE | 152 EPILOGUE |
| 149 RET | 153 RET |
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Chromium Code Reviews
Issue 242643011:
Add correct support for videos with YUVJ420P color format, in the software conversion path. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@yuvnopic