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Issue 7003082:
Implements RGB to YV12 conversion in YASM. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/| OLD | NEW |
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| 1 ; Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
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Alpha Left Google
2011/08/22 14:16:59
Rename this to media/base/yuv_row_sse2.asm
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| 2 ; Use of this source code is governed by a BSD-style license that can be | |
| 3 ; found in the LICENSE file. | |
| 4 | |
| 5 %include "yuv_row.inc" | |
| 6 | |
| 7 ; | |
| 8 ; The numer of fractional bits used for fixed-point calculation. | |
| 9 ; | |
| 10 %define SHIFT_BITS 12 | |
| 11 %define FIX(n) (n >> (12 - SHIFT_BITS)) | |
| 12 | |
| 13 ; | |
| 14 ; Tables used for RGB-to-YV12 conversion and YV12-to-RGB conversion. These | |
| 15 ; tables represent the conversion matrices used for the conversions as listed in | |
| 16 ; following C++ snippet. Unfortunately, we need to use precalculated constants | |
| 17 ; here since the yasm preprocessor cannot handle complicated floating-point | |
| 18 ; calculation. | |
| 19 ; | |
| 20 ; #define FIX(n) ((n) * (1 << SHIFT_BITS) + 0.5) | |
| 21 ; | |
| 22 ; int16 SIMD_ConvertRGBAToYUV_kTable[8 * 3] = { | |
| 23 ; FIX(0.098), FIX(0.504), FIX(0.257), 0, | |
| 24 ; FIX(0.098), FIX(0.504), FIX(0.257), 0, | |
| 25 ; FIX(0.5), 0, FIX(0.5), 0, | |
| 26 ; FIX(0.5), 0, FIX(0.5), 0, | |
| 27 ; FIX(0.439), -FIX(0.291), -FIX(0.148), 0, | |
| 28 ; -FIX(0.071), -FIX(0.368), FIX(0.439), 0, | |
| 29 ; }; | |
| 30 ; | |
| 31 ; int16 SIMD_ConvertYUVtoRGBA_kTable[8 * 2] = { | |
| 32 ; -16, -128, -128, FIX(0.5), | |
| 33 ; FIX(1.164), 0, FIX(1.596), 1, | |
| 34 ; FIX(1.164), -FIX(0.391), -FIX(0.813), 1, | |
| 35 ; FIX(1.164), FIX(2.018), 0, 1, | |
| 36 ; }; | |
| 37 ; | |
| 38 SECTION SEG_CONST | |
| 39 | |
| 40 SIMD_ConvertARGBToYUVRow_kTable: | |
|
Alpha Left Google
2011/08/22 14:16:59
SSE2_XXX, there may be a different NEON version.
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| 41 dw FIX(401), FIX(2064), FIX(1053), 0 | |
| 42 dw FIX(401), FIX(2064), FIX(1053), 0 | |
| 43 dw FIX(2048), 0, FIX(2048), 0 | |
| 44 dw FIX(2048), 0, FIX(2048), 0 | |
| 45 dw FIX(1798), FIX(-1191), FIX(-605), 0 | |
| 46 dw FIX(-290), FIX(-1506), FIX(1798), 0 | |
| 47 | |
| 48 SIMD_ConvertYUVtoARGB_kTable: | |
|
Alpha Left Google
2011/08/22 14:16:59
SSE2_XXX, there may be a different NEON version.
| |
| 49 dw -16, -128, -128, FIX(2048) | |
| 50 dw FIX(4768), FIX(0), FIX(6537), 1 | |
| 51 dw FIX(4768), FIX(-1601), FIX(-3329), 1 | |
| 52 dw FIX(4768), FIX(8266), FIX(0), 1 | |
| 53 | |
| 54 SECTION SEG_TEXT | |
| 55 CPU PENTIUM4 | |
| 56 ; | |
| 57 ; void media::simd::ConvertARGBToYUVRow(const uint8* rgba, | |
| 58 ; uint8* y, | |
| 59 ; uint8* u, | |
| 60 ; uint8* v, | |
| 61 ; int width); | |
| 62 ; | |
| 63 %ifdef MACHO | |
| 64 %define SYMBOL_NAME __ZN5media4simd19ConvertARGBtoYUVRowEPKhPhS3_S3_i | |
| 65 %elifdef ELF | |
| 66 %define SYMBOL_NAME _ZN5media4simd19ConvertARGBtoYUVRowEPKhPhS3_S3_i | |
| 67 %elifdef MSVC | |
| 68 %define SYMBOL_NAME ?ConvertARGBtoYUVRow@simd@media@@YAXPBEPAE11H@Z | |
| 69 %endif | |
| 70 | |
| 71 %define PIXELSIZE 4 | |
| 72 %include "yuv_row_rgb.inc" | |
| 73 | |
| 74 ; | |
| 75 ; void media::simd::ConvertRGBToYUVRow(const uint8* rgba, | |
| 76 ; uint8* y, | |
| 77 ; uint8* u, | |
| 78 ; uint8* v, | |
| 79 ; int width); | |
| 80 ; | |
| 81 %ifdef MACHO | |
| 82 %define SYMBOL_NAME __ZN5media4simd18ConvertRGBtoYUVRowEPKhPhS3_S3_i | |
| 83 %elifdef ELF | |
| 84 %define SYMBOL_NAME _ZN5media4simd18ConvertRGBtoYUVRowEPKhPhS3_S3_i | |
| 85 %elifdef MSVC | |
| 86 %define SYMBOL_NAME ?ConvertRGBtoYUVRow@simd@media@@YAXPBEPAE11H@Z | |
| 87 %endif | |
| 88 | |
| 89 %define PIXELSIZE 3 | |
| 90 %include "yuv_row_rgb.inc" | |
| 91 | |
| 92 ; | |
| 93 ; void media::simd::ConvertYUVtoRGBARow(const uint8* y, | |
| 94 ; const uint8* u, | |
| 95 ; const uint8* v, | |
| 96 ; const uint8* rgba, | |
| 97 ; int width); | |
| 98 ; | |
| 99 %ifdef MACHO | |
| 100 %define SYMBOL_NAME __ZN5media4simd19ConvertYUVtoARGBRowEPKhS2_S2_Phi | |
| 101 %elifdef ELF | |
| 102 %define SYMBOL_NAME _ZN5media4simd19ConvertYUVtoARGBRowEPKhS2_S2_Phi | |
| 103 %elifdef MSVC | |
| 104 %define SYMBOL_NAME ?ConvertYUVtoARGBRow@simd@media@@YAXPBE00PAEH@Z | |
| 105 %endif | |
| 106 | |
| 107 %define PIXELSIZE 4 | |
| 108 %define ALPHA 255 | |
| 109 %include "yuv_row_yuv.inc" | |
| 110 | |
| 111 ; | |
| 112 ; void media::simd::ConvertYUVtoRGBRow(const uint8* y, | |
| 113 ; const uint8* u, | |
| 114 ; const uint8* v, | |
| 115 ; const uint8* rgb, | |
| 116 ; int width); | |
| 117 ; | |
| 118 %ifdef MACHO | |
| 119 %define SYMBOL_NAME __ZN5media4simd18ConvertYUVtoRGBRowEPKhS2_S2_Phi | |
| 120 %elifdef ELF | |
| 121 %define SYMBOL_NAME _ZN5media4simd18ConvertYUVtoRGBRowEPKhS2_S2_Phi | |
| 122 %elifdef MSVC | |
| 123 %define SYMBOL_NAME ?ConvertYUVtoRGBRow@simd@media@@YAXPBE00PAEH@Z | |
| 124 %endif | |
| 125 | |
| 126 %define PIXELSIZE 3 | |
| 127 %define ALPHA 0 | |
| 128 %include "yuv_row_yuv.inc" | |
| OLD | NEW |
