OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // This webpage shows layout of YV12 and other YUV formats | 5 // This webpage shows layout of YV12 and other YUV formats |
6 // http://www.fourcc.org/yuv.php | 6 // http://www.fourcc.org/yuv.php |
7 // The actual conversion is best described here | 7 // The actual conversion is best described here |
8 // http://en.wikipedia.org/wiki/YUV | 8 // http://en.wikipedia.org/wiki/YUV |
9 // An article on optimizing YUV conversion using tables instead of multiplies | 9 // An article on optimizing YUV conversion using tables instead of multiplies |
10 // http://lestourtereaux.free.fr/papers/data/yuvrgb.pdf | 10 // http://lestourtereaux.free.fr/papers/data/yuvrgb.pdf |
(...skipping 22 matching lines...) Expand all Loading... |
33 #endif | 33 #endif |
34 #endif | 34 #endif |
35 | 35 |
36 // Assembly functions are declared without namespace. | 36 // Assembly functions are declared without namespace. |
37 extern "C" { | 37 extern "C" { |
38 void EmptyRegisterState_MMX(); | 38 void EmptyRegisterState_MMX(); |
39 } // extern "C" | 39 } // extern "C" |
40 | 40 |
41 namespace media { | 41 namespace media { |
42 | 42 |
| 43 typedef void (*FilterYUVRowsProc)(uint8*, const uint8*, const uint8*, int, int); |
| 44 |
| 45 typedef void (*ConvertYUVToRGB32Proc)(const uint8*, |
| 46 const uint8*, |
| 47 const uint8*, |
| 48 uint8*, |
| 49 int, |
| 50 int, |
| 51 int, |
| 52 int, |
| 53 int, |
| 54 YUVType); |
| 55 |
| 56 typedef void (*ConvertYUVAToARGBProc)(const uint8*, |
| 57 const uint8*, |
| 58 const uint8*, |
| 59 const uint8*, |
| 60 uint8*, |
| 61 int, |
| 62 int, |
| 63 int, |
| 64 int, |
| 65 int, |
| 66 int, |
| 67 YUVType); |
| 68 |
| 69 typedef void (*ConvertYUVToRGB32RowProc)(const uint8*, |
| 70 const uint8*, |
| 71 const uint8*, |
| 72 uint8*, |
| 73 ptrdiff_t); |
| 74 |
| 75 typedef void (*ConvertYUVAToARGBRowProc)(const uint8*, |
| 76 const uint8*, |
| 77 const uint8*, |
| 78 const uint8*, |
| 79 uint8*, |
| 80 ptrdiff_t); |
| 81 |
| 82 typedef void (*ScaleYUVToRGB32RowProc)(const uint8*, |
| 83 const uint8*, |
| 84 const uint8*, |
| 85 uint8*, |
| 86 ptrdiff_t, |
| 87 ptrdiff_t); |
| 88 |
43 static FilterYUVRowsProc ChooseFilterYUVRowsProc() { | 89 static FilterYUVRowsProc ChooseFilterYUVRowsProc() { |
44 #if defined(ARCH_CPU_X86_FAMILY) | 90 #if defined(ARCH_CPU_X86_FAMILY) |
45 base::CPU cpu; | 91 base::CPU cpu; |
46 if (cpu.has_sse2()) | 92 if (cpu.has_sse2()) |
47 return &FilterYUVRows_SSE2; | 93 return &FilterYUVRows_SSE2; |
48 | 94 |
49 #if defined(MEDIA_MMX_INTRINSICS_AVAILABLE) | 95 #if defined(MEDIA_MMX_INTRINSICS_AVAILABLE) |
50 if (cpu.has_mmx()) | 96 if (cpu.has_mmx()) |
51 return &FilterYUVRows_MMX; | 97 return &FilterYUVRows_MMX; |
52 #endif // defined(MEDIA_MMX_INTRINSICS_AVAILABLE) | 98 #endif // defined(MEDIA_MMX_INTRINSICS_AVAILABLE) |
53 #endif // defined(ARCH_CPU_X86_FAMILY) | 99 #endif // defined(ARCH_CPU_X86_FAMILY) |
54 return &FilterYUVRows_C; | 100 return &FilterYUVRows_C; |
55 } | 101 } |
56 | 102 |
57 static ConvertYUVToRGB32RowProc ChooseConvertYUVToRGB32RowProc() { | 103 static ConvertYUVToRGB32RowProc ChooseConvertYUVToRGB32RowProc() { |
58 #if defined(ARCH_CPU_X86_FAMILY) | 104 #if defined(ARCH_CPU_X86_FAMILY) |
59 base::CPU cpu; | 105 base::CPU cpu; |
60 if (cpu.has_sse()) | 106 if (cpu.has_sse()) |
61 return &ConvertYUVToRGB32Row_SSE; | 107 return &ConvertYUVToRGB32Row_SSE; |
62 if (cpu.has_mmx()) | 108 if (cpu.has_mmx()) |
63 return &ConvertYUVToRGB32Row_MMX; | 109 return &ConvertYUVToRGB32Row_MMX; |
64 #endif | 110 #endif |
65 return &ConvertYUVToRGB32Row_C; | 111 return &ConvertYUVToRGB32Row_C; |
66 } | 112 } |
67 | 113 |
68 static ScaleYUVToRGB32RowProc ChooseScaleYUVToRGB32RowProc() { | 114 static ScaleYUVToRGB32RowProc ChooseScaleYUVToRGB32RowProc() { |
| 115 #if defined(ARCH_CPU_X86_FAMILY) |
| 116 base::CPU cpu; |
69 #if defined(ARCH_CPU_X86_64) | 117 #if defined(ARCH_CPU_X86_64) |
70 // Use 64-bits version if possible. | 118 // Use 64-bits version if possible. |
71 return &ScaleYUVToRGB32Row_SSE2_X64; | 119 // TODO(dalecurtis): Fix this to directly return X64 version. All x64 procs |
72 #elif defined(ARCH_CPU_X86_FAMILY) | 120 // have SSE2, this is a hack to prevent MSVC from optimizing exports out in |
73 base::CPU cpu; | 121 // the shared library build which are used by unittests. |
| 122 if (cpu.has_sse2()) |
| 123 return &ScaleYUVToRGB32Row_SSE2_X64; |
| 124 #endif // defined(ARCH_CPU_X86_64) |
74 // Choose the best one on 32-bits system. | 125 // Choose the best one on 32-bits system. |
75 if (cpu.has_sse()) | 126 if (cpu.has_sse()) |
76 return &ScaleYUVToRGB32Row_SSE; | 127 return &ScaleYUVToRGB32Row_SSE; |
77 if (cpu.has_mmx()) | 128 if (cpu.has_mmx()) |
78 return &ScaleYUVToRGB32Row_MMX; | 129 return &ScaleYUVToRGB32Row_MMX; |
79 #endif // defined(ARCH_CPU_X86_64) | 130 #endif // defined(ARCH_CPU_X86_FAMILY) |
80 return &ScaleYUVToRGB32Row_C; | 131 return &ScaleYUVToRGB32Row_C; |
81 } | 132 } |
82 | 133 |
83 static ScaleYUVToRGB32RowProc ChooseLinearScaleYUVToRGB32RowProc() { | 134 static ScaleYUVToRGB32RowProc ChooseLinearScaleYUVToRGB32RowProc() { |
| 135 #if defined(ARCH_CPU_X86_FAMILY) |
| 136 base::CPU cpu; |
84 #if defined(ARCH_CPU_X86_64) | 137 #if defined(ARCH_CPU_X86_64) |
85 // Use 64-bits version if possible. | 138 // Use 64-bits version if possible. |
86 return &LinearScaleYUVToRGB32Row_MMX_X64; | 139 // TODO(dalecurtis): Fix this to directly return X64 version. All x64 procs |
87 #elif defined(ARCH_CPU_X86_FAMILY) | 140 // have SSE2, this is a hack to prevent MSVC from optimizing exports out in |
88 base::CPU cpu; | 141 // the shared library build which are used by unittests. |
| 142 if (cpu.has_sse2()) |
| 143 return &LinearScaleYUVToRGB32Row_MMX_X64; |
| 144 #endif // defined(ARCH_CPU_X86_64) |
89 // 32-bits system. | 145 // 32-bits system. |
90 if (cpu.has_sse()) | 146 if (cpu.has_sse()) |
91 return &LinearScaleYUVToRGB32Row_SSE; | 147 return &LinearScaleYUVToRGB32Row_SSE; |
92 if (cpu.has_mmx()) | 148 if (cpu.has_mmx()) |
93 return &LinearScaleYUVToRGB32Row_MMX; | 149 return &LinearScaleYUVToRGB32Row_MMX; |
94 #endif // defined(ARCH_CPU_X86_64) | 150 #endif // defined(ARCH_CPU_X86_FAMILY) |
95 return &LinearScaleYUVToRGB32Row_C; | 151 return &LinearScaleYUVToRGB32Row_C; |
96 } | 152 } |
97 | 153 |
98 // Empty SIMD registers state after using them. | 154 // Empty SIMD registers state after using them. |
99 void EmptyRegisterState() { | 155 void EmptyRegisterState() { |
100 #if defined(ARCH_CPU_X86_FAMILY) | 156 #if defined(ARCH_CPU_X86_FAMILY) |
101 static bool checked = false; | 157 static bool checked = false; |
102 static bool has_mmx = false; | 158 static bool has_mmx = false; |
103 if (!checked) { | 159 if (!checked) { |
104 base::CPU cpu; | 160 base::CPU cpu; |
(...skipping 522 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
627 convert_proc = &ConvertYUVAToARGB_MMX; | 683 convert_proc = &ConvertYUVAToARGB_MMX; |
628 else | 684 else |
629 convert_proc = &ConvertYUVAToARGB_C; | 685 convert_proc = &ConvertYUVAToARGB_C; |
630 } | 686 } |
631 convert_proc(yplane, uplane, vplane, aplane, rgbframe, | 687 convert_proc(yplane, uplane, vplane, aplane, rgbframe, |
632 width, height, ystride, uvstride, astride, rgbstride, yuv_type); | 688 width, height, ystride, uvstride, astride, rgbstride, yuv_type); |
633 #endif | 689 #endif |
634 } | 690 } |
635 | 691 |
636 } // namespace media | 692 } // namespace media |
OLD | NEW |