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| 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 #ifndef MEDIA_BASE_YUV_CONVERT_H_ | 5 #ifndef MEDIA_BASE_YUV_CONVERT_H_ |
| 6 #define MEDIA_BASE_YUV_CONVERT_H_ | 6 #define MEDIA_BASE_YUV_CONVERT_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include <stdint.h> |
| 9 |
| 10 #include "build/build_config.h" |
| 9 #include "media/base/media_export.h" | 11 #include "media/base/media_export.h" |
| 10 | 12 |
| 11 // Visual Studio 2010 does not support MMX intrinsics on x64. | 13 // Visual Studio 2010 does not support MMX intrinsics on x64. |
| 12 // Some win64 yuv_convert code paths use SSE+MMX yasm, so without rewriting | 14 // Some win64 yuv_convert code paths use SSE+MMX yasm, so without rewriting |
| 13 // them, we use yasm EmptyRegisterState_MMX in place of _mm_empty() or | 15 // them, we use yasm EmptyRegisterState_MMX in place of _mm_empty() or |
| 14 // hide the versions implemented with heavy use of MMX intrinsics. | 16 // hide the versions implemented with heavy use of MMX intrinsics. |
| 15 // TODO(wolenetz): Use MMX intrinsics when compiling win64 with Visual | 17 // TODO(wolenetz): Use MMX intrinsics when compiling win64 with Visual |
| 16 // Studio 2012? http://crbug.com/173450 | 18 // Studio 2012? http://crbug.com/173450 |
| 17 #if defined(ARCH_CPU_X86_FAMILY) && \ | 19 #if defined(ARCH_CPU_X86_FAMILY) && \ |
| 18 !(defined(ARCH_CPU_X86_64) && defined(COMPILER_MSVC)) | 20 !(defined(ARCH_CPU_X86_64) && defined(COMPILER_MSVC)) |
| 19 #define MEDIA_MMX_INTRINSICS_AVAILABLE | 21 #define MEDIA_MMX_INTRINSICS_AVAILABLE |
| 20 #endif | 22 #endif |
| 21 | 23 |
| 22 namespace media { | 24 namespace media { |
| 23 | 25 |
| 24 // Type of YUV surface. | 26 // Type of YUV surface. |
| 25 enum YUVType { | 27 enum YUVType { |
| 26 YV16 = 0, // YV16 is half width and full height chroma channels. | 28 YV16 = 0, // YV16 is half width and full height chroma channels. |
| 27 YV12 = 1, // YV12 is half width and half height chroma channels. | 29 YV12 = 1, // YV12 is half width and half height chroma channels. |
| 28 YV12J = 2, // YV12J is the same as YV12, but in JPEG color range. | 30 YV12J = 2, // YV12J is the same as YV12, but in JPEG color range. |
| 29 YV12HD = 3, // YV12HD is the same as YV12, but in 'HD' Rec709 color space. | 31 YV12HD = 3, // YV12HD is the same as YV12, but in 'HD' Rec709 color space. |
| 30 }; | 32 }; |
| 31 | 33 |
| 32 // Get the appropriate value to bitshift by for vertical indices. | 34 // Get the appropriate value to bitshift by for vertical indices. |
| 33 MEDIA_EXPORT int GetVerticalShift(YUVType type); | 35 MEDIA_EXPORT int GetVerticalShift(YUVType type); |
| 34 | 36 |
| 35 // Get the appropriate lookup table for a given YUV format. | 37 // Get the appropriate lookup table for a given YUV format. |
| 36 MEDIA_EXPORT const int16* GetLookupTable(YUVType type); | 38 MEDIA_EXPORT const int16_t* GetLookupTable(YUVType type); |
| 37 | 39 |
| 38 // Mirror means flip the image horizontally, as in looking in a mirror. | 40 // Mirror means flip the image horizontally, as in looking in a mirror. |
| 39 // Rotate happens after mirroring. | 41 // Rotate happens after mirroring. |
| 40 enum Rotate { | 42 enum Rotate { |
| 41 ROTATE_0, // Rotation off. | 43 ROTATE_0, // Rotation off. |
| 42 ROTATE_90, // Rotate clockwise. | 44 ROTATE_90, // Rotate clockwise. |
| 43 ROTATE_180, // Rotate upside down. | 45 ROTATE_180, // Rotate upside down. |
| 44 ROTATE_270, // Rotate counter clockwise. | 46 ROTATE_270, // Rotate counter clockwise. |
| 45 MIRROR_ROTATE_0, // Mirror horizontally. | 47 MIRROR_ROTATE_0, // Mirror horizontally. |
| 46 MIRROR_ROTATE_90, // Mirror then Rotate clockwise. | 48 MIRROR_ROTATE_90, // Mirror then Rotate clockwise. |
| 47 MIRROR_ROTATE_180, // Mirror vertically. | 49 MIRROR_ROTATE_180, // Mirror vertically. |
| 48 MIRROR_ROTATE_270, // Transpose. | 50 MIRROR_ROTATE_270, // Transpose. |
| 49 }; | 51 }; |
| 50 | 52 |
| 51 // Filter affects how scaling looks. | 53 // Filter affects how scaling looks. |
| 52 enum ScaleFilter { | 54 enum ScaleFilter { |
| 53 FILTER_NONE = 0, // No filter (point sampled). | 55 FILTER_NONE = 0, // No filter (point sampled). |
| 54 FILTER_BILINEAR_H = 1, // Bilinear horizontal filter. | 56 FILTER_BILINEAR_H = 1, // Bilinear horizontal filter. |
| 55 FILTER_BILINEAR_V = 2, // Bilinear vertical filter. | 57 FILTER_BILINEAR_V = 2, // Bilinear vertical filter. |
| 56 FILTER_BILINEAR = 3, // Bilinear filter. | 58 FILTER_BILINEAR = 3, // Bilinear filter. |
| 57 }; | 59 }; |
| 58 | 60 |
| 59 MEDIA_EXPORT void InitializeCPUSpecificYUVConversions(); | 61 MEDIA_EXPORT void InitializeCPUSpecificYUVConversions(); |
| 60 | 62 |
| 61 // Convert a frame of YUV to 32 bit ARGB. | 63 // Convert a frame of YUV to 32 bit ARGB. |
| 62 // Pass in YV16/YV12 depending on source format | 64 // Pass in YV16/YV12 depending on source format |
| 63 MEDIA_EXPORT void ConvertYUVToRGB32(const uint8* yplane, | 65 MEDIA_EXPORT void ConvertYUVToRGB32(const uint8_t* yplane, |
| 64 const uint8* uplane, | 66 const uint8_t* uplane, |
| 65 const uint8* vplane, | 67 const uint8_t* vplane, |
| 66 uint8* rgbframe, | 68 uint8_t* rgbframe, |
| 67 int width, | 69 int width, |
| 68 int height, | 70 int height, |
| 69 int ystride, | 71 int ystride, |
| 70 int uvstride, | 72 int uvstride, |
| 71 int rgbstride, | 73 int rgbstride, |
| 72 YUVType yuv_type); | 74 YUVType yuv_type); |
| 73 | 75 |
| 74 // Convert a frame of YUVA to 32 bit ARGB. | 76 // Convert a frame of YUVA to 32 bit ARGB. |
| 75 // Pass in YV12A | 77 // Pass in YV12A |
| 76 MEDIA_EXPORT void ConvertYUVAToARGB(const uint8* yplane, | 78 MEDIA_EXPORT void ConvertYUVAToARGB(const uint8_t* yplane, |
| 77 const uint8* uplane, | 79 const uint8_t* uplane, |
| 78 const uint8* vplane, | 80 const uint8_t* vplane, |
| 79 const uint8* aplane, | 81 const uint8_t* aplane, |
| 80 uint8* rgbframe, | 82 uint8_t* rgbframe, |
| 81 int width, | 83 int width, |
| 82 int height, | 84 int height, |
| 83 int ystride, | 85 int ystride, |
| 84 int uvstride, | 86 int uvstride, |
| 85 int astride, | 87 int astride, |
| 86 int rgbstride, | 88 int rgbstride, |
| 87 YUVType yuv_type); | 89 YUVType yuv_type); |
| 88 | 90 |
| 89 // Scale a frame of YUV to 32 bit ARGB. | 91 // Scale a frame of YUV to 32 bit ARGB. |
| 90 // Supports rotation and mirroring. | 92 // Supports rotation and mirroring. |
| 91 MEDIA_EXPORT void ScaleYUVToRGB32(const uint8* yplane, | 93 MEDIA_EXPORT void ScaleYUVToRGB32(const uint8_t* yplane, |
| 92 const uint8* uplane, | 94 const uint8_t* uplane, |
| 93 const uint8* vplane, | 95 const uint8_t* vplane, |
| 94 uint8* rgbframe, | 96 uint8_t* rgbframe, |
| 95 int source_width, | 97 int source_width, |
| 96 int source_height, | 98 int source_height, |
| 97 int width, | 99 int width, |
| 98 int height, | 100 int height, |
| 99 int ystride, | 101 int ystride, |
| 100 int uvstride, | 102 int uvstride, |
| 101 int rgbstride, | 103 int rgbstride, |
| 102 YUVType yuv_type, | 104 YUVType yuv_type, |
| 103 Rotate view_rotate, | 105 Rotate view_rotate, |
| 104 ScaleFilter filter); | 106 ScaleFilter filter); |
| 105 | 107 |
| 106 // Biliner Scale a frame of YV12 to 32 bits ARGB on a specified rectangle. | 108 // Biliner Scale a frame of YV12 to 32 bits ARGB on a specified rectangle. |
| 107 // |yplane|, etc and |rgbframe| should point to the top-left pixels of the | 109 // |yplane|, etc and |rgbframe| should point to the top-left pixels of the |
| 108 // source and destination buffers. | 110 // source and destination buffers. |
| 109 MEDIA_EXPORT void ScaleYUVToRGB32WithRect(const uint8* yplane, | 111 MEDIA_EXPORT void ScaleYUVToRGB32WithRect(const uint8_t* yplane, |
| 110 const uint8* uplane, | 112 const uint8_t* uplane, |
| 111 const uint8* vplane, | 113 const uint8_t* vplane, |
| 112 uint8* rgbframe, | 114 uint8_t* rgbframe, |
| 113 int source_width, | 115 int source_width, |
| 114 int source_height, | 116 int source_height, |
| 115 int dest_width, | 117 int dest_width, |
| 116 int dest_height, | 118 int dest_height, |
| 117 int dest_rect_left, | 119 int dest_rect_left, |
| 118 int dest_rect_top, | 120 int dest_rect_top, |
| 119 int dest_rect_right, | 121 int dest_rect_right, |
| 120 int dest_rect_bottom, | 122 int dest_rect_bottom, |
| 121 int ystride, | 123 int ystride, |
| 122 int uvstride, | 124 int uvstride, |
| 123 int rgbstride); | 125 int rgbstride); |
| 124 | 126 |
| 125 MEDIA_EXPORT void ConvertRGB32ToYUV(const uint8* rgbframe, | 127 MEDIA_EXPORT void ConvertRGB32ToYUV(const uint8_t* rgbframe, |
| 126 uint8* yplane, | 128 uint8_t* yplane, |
| 127 uint8* uplane, | 129 uint8_t* uplane, |
| 128 uint8* vplane, | 130 uint8_t* vplane, |
| 129 int width, | 131 int width, |
| 130 int height, | 132 int height, |
| 131 int rgbstride, | 133 int rgbstride, |
| 132 int ystride, | 134 int ystride, |
| 133 int uvstride); | 135 int uvstride); |
| 134 | 136 |
| 135 MEDIA_EXPORT void ConvertRGB24ToYUV(const uint8* rgbframe, | 137 MEDIA_EXPORT void ConvertRGB24ToYUV(const uint8_t* rgbframe, |
| 136 uint8* yplane, | 138 uint8_t* yplane, |
| 137 uint8* uplane, | 139 uint8_t* uplane, |
| 138 uint8* vplane, | 140 uint8_t* vplane, |
| 139 int width, | 141 int width, |
| 140 int height, | 142 int height, |
| 141 int rgbstride, | 143 int rgbstride, |
| 142 int ystride, | 144 int ystride, |
| 143 int uvstride); | 145 int uvstride); |
| 144 | 146 |
| 145 // Empty SIMD register state after calling optimized scaler functions. | 147 // Empty SIMD register state after calling optimized scaler functions. |
| 146 MEDIA_EXPORT void EmptyRegisterState(); | 148 MEDIA_EXPORT void EmptyRegisterState(); |
| 147 | 149 |
| 148 } // namespace media | 150 } // namespace media |
| 149 | 151 |
| 150 #endif // MEDIA_BASE_YUV_CONVERT_H_ | 152 #endif // MEDIA_BASE_YUV_CONVERT_H_ |
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