video: move standard c, sse and lsx implementations of yuv2rgb to its own source
Anonymous Maarten
Sam Lantinga
parent
a31dc6dfcb
commit
dbdc65fc95
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@ -570,6 +570,14 @@
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<ClInclude Include="..\..\src\video\windows\SDL_windowswindow.h" />
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<ClInclude Include="..\..\src\video\windows\wmmsg.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_common.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_internal.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_lsx.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_lsx_func.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_sse.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_sse_func.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_std.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_std_func.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_sse_func.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_std_func.h" />
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<ClCompile Include="..\..\src\atomic\SDL_atomic.c" />
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@ -814,7 +822,9 @@
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<ClCompile Include="..\..\src\video\windows\SDL_windowsvideo.c" />
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<ClCompile Include="..\..\src\video\windows\SDL_windowsvulkan.c" />
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<ClCompile Include="..\..\src\video\windows\SDL_windowswindow.c" />
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<ClCompile Include="..\..\src\video\yuv2rgb\yuv_rgb.c" />
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<ClCompile Include="..\..\src\video\yuv2rgb\yuv_rgb_lsx.c" />
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<ClCompile Include="..\..\src\video\yuv2rgb\yuv_rgb_sse.c" />
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<ClCompile Include="..\..\src\video\yuv2rgb\yuv_rgb_std.c" />
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</ItemGroup>
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<ItemGroup>
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<ResourceCompile Include="..\..\src\core\windows\version.rc" />
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@ -189,6 +189,14 @@
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<ClInclude Include="..\src\video\winrt\SDL_winrtopengles.h" />
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<ClInclude Include="..\src\video\winrt\SDL_winrtvideo_cpp.h" />
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<ClInclude Include="..\src\video\yuv2rgb\yuv_rgb.h" />
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<ClInclude Include="..\src\video\yuv2rgb\yuv_rgb_common.h" />
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<ClInclude Include="..\src\video\yuv2rgb\yuv_rgb_internal.h" />
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<ClInclude Include="..\src\video\yuv2rgb\yuv_rgb_lsx.h" />
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<ClInclude Include="..\src\video\yuv2rgb\yuv_rgb_lsx_func.h" />
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<ClInclude Include="..\src\video\yuv2rgb\yuv_rgb_sse.h" />
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<ClInclude Include="..\src\video\yuv2rgb\yuv_rgb_sse_func.h" />
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<ClInclude Include="..\src\video\yuv2rgb\yuv_rgb_std.h" />
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<ClInclude Include="..\src\video\yuv2rgb\yuv_rgb_std_func.h" />
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="..\src\atomic\SDL_atomic.c" />
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@ -612,7 +620,9 @@
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<PrecompiledHeaderOutputFile Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(IntDir)$(TargetName)_cpp.pch</PrecompiledHeaderOutputFile>
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<PrecompiledHeaderOutputFile Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(IntDir)$(TargetName)_cpp.pch</PrecompiledHeaderOutputFile>
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</ClCompile>
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<ClCompile Include="..\src\video\yuv2rgb\yuv_rgb.c" />
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<ClCompile Include="..\src\video\yuv2rgb\yuv_rgb_lsx.c" />
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<ClCompile Include="..\src\video\yuv2rgb\yuv_rgb_sse.c" />
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<ClCompile Include="..\src\video\yuv2rgb\yuv_rgb_std.c" />
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<ProjectGuid>{89e9b32e-a86a-47c3-a948-d2b1622925ce}</ProjectGuid>
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@ -468,7 +468,13 @@
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<ClInclude Include="..\..\src\video\windows\SDL_windowswindow.h" />
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<ClInclude Include="..\..\src\video\windows\wmmsg.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_common.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_internal.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_lsx.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_lsx_func.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_sse.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_sse_func.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_std.h" />
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<ClInclude Include="..\..\src\video\yuv2rgb\yuv_rgb_std_func.h" />
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<ClCompile Include="..\..\src\atomic\SDL_atomic.c" />
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<ClCompile Include="..\..\src\atomic\SDL_spinlock.c" />
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@ -666,7 +672,9 @@
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<ClCompile Include="..\..\src\video\windows\SDL_windowsvideo.c" />
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<ClCompile Include="..\..\src\video\windows\SDL_windowsvulkan.c" />
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<ClCompile Include="..\..\src\video\windows\SDL_windowswindow.c" />
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<ClCompile Include="..\..\src\video\yuv2rgb\yuv_rgb.c" />
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<ClCompile Include="..\..\src\video\yuv2rgb\yuv_rgb_lsx.c" />
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<ClCompile Include="..\..\src\video\yuv2rgb\yuv_rgb_sse.c" />
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<ClCompile Include="..\..\src\video\yuv2rgb\yuv_rgb_std.c" />
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</ItemGroup>
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<ItemGroup>
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<ResourceCompile Include="..\..\src\core\windows\version.rc" />
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@ -1,16 +1,19 @@
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#ifndef YUV_RGB_H_
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#define YUV_RGB_H_
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// Copyright 2016 Adrien Descamps
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// Distributed under BSD 3-Clause License
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// Provide optimized functions to convert images from 8bits yuv420 to rgb24 format
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// There are a few slightly different variations of the YCbCr color space with different parameters that
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// There are a few slightly different variations of the YCbCr color space with different parameters that
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// change the conversion matrix.
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// The three most common YCbCr color space, defined by BT.601, BT.709 and JPEG standard are implemented here.
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// See the respective standards for details
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// The matrix values used are derived from http://www.equasys.de/colorconversion.html
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// YUV420 is stored as three separate channels, with U and V (Cb and Cr) subsampled by a 2 factor
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// For conversion from yuv to rgb, no interpolation is done, and the same UV value are used for 4 rgb pixels. This
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// For conversion from yuv to rgb, no interpolation is done, and the same UV value are used for 4 rgb pixels. This
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// is suboptimal for image quality, but by far the fastest method.
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// For all methods, width and height should be even, if not, the last row/column of the result image won't be affected.
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@ -18,394 +21,13 @@
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/*#include <stdint.h>*/
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typedef enum
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{
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YCBCR_JPEG,
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YCBCR_601,
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YCBCR_709
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} YCbCrType;
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// yuv to rgb, standard c implementation
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void yuv420_rgb565_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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#include "yuv_rgb_std.h"
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void yuv420_rgb24_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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// yuv to rgb, sse2 implementation
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#include "yuv_rgb_sse.h"
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void yuv420_rgba_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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// yuv to rgb, lsx implementation
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#include "yuv_rgb_lsx.h"
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void yuv420_bgra_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv420_argb_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv420_abgr_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_rgb565_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_rgb24_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_rgba_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_bgra_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_argb_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_abgr_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_rgb565_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_rgb24_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_rgba_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_bgra_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_argb_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_abgr_std(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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// yuv to rgb, sse implementation
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// pointers must be 16 byte aligned, and strides must be divisable by 16
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void yuv420_rgb565_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv420_rgb24_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv420_rgba_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv420_bgra_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv420_argb_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv420_abgr_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_rgb565_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_rgb24_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_rgba_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_bgra_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_argb_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuv422_abgr_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_rgb565_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_rgb24_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_rgba_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_bgra_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_argb_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
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uint8_t *rgb, uint32_t rgb_stride,
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YCbCrType yuv_type);
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void yuvnv12_abgr_sse(
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uint32_t width, uint32_t height,
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const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
// yuv to rgb, sse implementation
|
||||
// pointers do not need to be 16 byte aligned
|
||||
void yuv420_rgb565_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_rgb24_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_rgba_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_bgra_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_argb_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_abgr_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgb565_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgb24_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgba_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_bgra_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_argb_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_abgr_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgb565_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgb24_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgba_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_bgra_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_argb_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_abgr_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
|
||||
// rgb to yuv, standard c implementation
|
||||
void rgb24_yuv420_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *rgb, uint32_t rgb_stride,
|
||||
uint8_t *y, uint8_t *u, uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
// rgb to yuv, sse implementation
|
||||
// pointers must be 16 byte aligned, and strides must be divisible by 16
|
||||
void rgb24_yuv420_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *rgb, uint32_t rgb_stride,
|
||||
uint8_t *y, uint8_t *u, uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
// rgb to yuv, sse implementation
|
||||
// pointers do not need to be 16 byte aligned
|
||||
void rgb24_yuv420_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *rgb, uint32_t rgb_stride,
|
||||
uint8_t *y, uint8_t *u, uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
|
||||
//yuv420 to bgra, lsx implementation
|
||||
void yuv420_rgb24_lsx(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_rgba_lsx(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_bgra_lsx(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_argb_lsx(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_abgr_lsx(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
#endif /* YUV_RGB_H_ */
|
||||
|
|
|
|||
|
|
@ -0,0 +1,13 @@
|
|||
#ifndef YUV_RGB_COMMON_H_
|
||||
#define YUV_RGB_COMMON_H_
|
||||
// Copyright 2016 Adrien Descamps
|
||||
// Distributed under BSD 3-Clause License
|
||||
|
||||
typedef enum
|
||||
{
|
||||
YCBCR_JPEG,
|
||||
YCBCR_601,
|
||||
YCBCR_709
|
||||
} YCbCrType;
|
||||
|
||||
#endif /* YUV_RGB_COMMON_H_ */
|
||||
|
|
@ -0,0 +1,75 @@
|
|||
// Copyright 2016 Adrien Descamps
|
||||
// Distributed under BSD 3-Clause License
|
||||
#include "yuv_rgb.h"
|
||||
|
||||
#define PRECISION 6
|
||||
#define PRECISION_FACTOR (1<<PRECISION)
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uint8_t y_shift;
|
||||
int16_t matrix[3][3];
|
||||
} RGB2YUVParam;
|
||||
// |Y| |y_shift| |matrix[0][0] matrix[0][1] matrix[0][2]| |R|
|
||||
// |U| = | 128 | + 1/PRECISION_FACTOR * |matrix[1][0] matrix[1][1] matrix[1][2]| * |G|
|
||||
// |V| | 128 | |matrix[2][0] matrix[2][1] matrix[2][2]| |B|
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uint8_t y_shift;
|
||||
int16_t y_factor;
|
||||
int16_t v_r_factor;
|
||||
int16_t u_g_factor;
|
||||
int16_t v_g_factor;
|
||||
int16_t u_b_factor;
|
||||
} YUV2RGBParam;
|
||||
// |R| |y_factor 0 v_r_factor| |Y-y_shift|
|
||||
// |G| = 1/PRECISION_FACTOR * |y_factor u_g_factor v_g_factor| * | U-128 |
|
||||
// |B| |y_factor u_b_factor 0 | | V-128 |
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#pragma warning(push)
|
||||
#pragma warning(disable : 26451)
|
||||
#endif
|
||||
|
||||
#define V(value) (int16_t)((value*PRECISION_FACTOR)+0.5)
|
||||
|
||||
// for ITU-T T.871, values can be found in section 7
|
||||
// for ITU-R BT.601-7 values are derived from equations in sections 2.5.1-2.5.3, assuming RGB is encoded using full range ([0-1]<->[0-255])
|
||||
// for ITU-R BT.709-6 values are derived from equations in sections 3.2-3.4, assuming RGB is encoded using full range ([0-1]<->[0-255])
|
||||
// all values are rounded to the fourth decimal
|
||||
|
||||
static const YUV2RGBParam YUV2RGB[3] = {
|
||||
// ITU-T T.871 (JPEG)
|
||||
{/*.y_shift=*/ 0, /*.y_factor=*/ V(1.0), /*.v_r_factor=*/ V(1.402), /*.u_g_factor=*/ -V(0.3441), /*.v_g_factor=*/ -V(0.7141), /*.u_b_factor=*/ V(1.772)},
|
||||
// ITU-R BT.601-7
|
||||
{/*.y_shift=*/ 16, /*.y_factor=*/ V(1.1644), /*.v_r_factor=*/ V(1.596), /*.u_g_factor=*/ -V(0.3918), /*.v_g_factor=*/ -V(0.813), /*.u_b_factor=*/ V(2.0172)},
|
||||
// ITU-R BT.709-6
|
||||
{/*.y_shift=*/ 16, /*.y_factor=*/ V(1.1644), /*.v_r_factor=*/ V(1.7927), /*.u_g_factor=*/ -V(0.2132), /*.v_g_factor=*/ -V(0.5329), /*.u_b_factor=*/ V(2.1124)}
|
||||
};
|
||||
|
||||
static const RGB2YUVParam RGB2YUV[3] = {
|
||||
// ITU-T T.871 (JPEG)
|
||||
{/*.y_shift=*/ 0, /*.matrix=*/ {{V(0.299), V(0.587), V(0.114)}, {-V(0.1687), -V(0.3313), V(0.5)}, {V(0.5), -V(0.4187), -V(0.0813)}}},
|
||||
// ITU-R BT.601-7
|
||||
{/*.y_shift=*/ 16, /*.matrix=*/ {{V(0.2568), V(0.5041), V(0.0979)}, {-V(0.1482), -V(0.291), V(0.4392)}, {V(0.4392), -V(0.3678), -V(0.0714)}}},
|
||||
// ITU-R BT.709-6
|
||||
{/*.y_shift=*/ 16, /*.matrix=*/ {{V(0.1826), V(0.6142), V(0.062)}, {-V(0.1006), -V(0.3386), V(0.4392)}, {V(0.4392), -V(0.3989), -V(0.0403)}}}
|
||||
};
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#pragma warning(pop)
|
||||
#endif
|
||||
|
||||
/* The various layouts of YUV data we support */
|
||||
#define YUV_FORMAT_420 1
|
||||
#define YUV_FORMAT_422 2
|
||||
#define YUV_FORMAT_NV12 3
|
||||
|
||||
/* The various formats of RGB pixel that we support */
|
||||
#define RGB_FORMAT_RGB565 1
|
||||
#define RGB_FORMAT_RGB24 2
|
||||
#define RGB_FORMAT_RGBA 3
|
||||
#define RGB_FORMAT_BGRA 4
|
||||
#define RGB_FORMAT_ARGB 5
|
||||
#define RGB_FORMAT_ABGR 6
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
// Copyright 2016 Adrien Descamps
|
||||
// Distributed under BSD 3-Clause License
|
||||
#include "SDL_internal.h"
|
||||
|
||||
#if SDL_HAVE_YUV
|
||||
#include "yuv_rgb_lsx.h"
|
||||
|
||||
#ifdef SDL_LSX_INTRINSICS
|
||||
|
||||
#define LSX_FUNCTION_NAME yuv420_rgb24_lsx
|
||||
#define STD_FUNCTION_NAME yuv420_rgb24_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB24
|
||||
#include "yuv_rgb_lsx_func.h"
|
||||
|
||||
#define LSX_FUNCTION_NAME yuv420_rgba_lsx
|
||||
#define STD_FUNCTION_NAME yuv420_rgba_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_RGBA
|
||||
#include "yuv_rgb_lsx_func.h"
|
||||
|
||||
#define LSX_FUNCTION_NAME yuv420_bgra_lsx
|
||||
#define STD_FUNCTION_NAME yuv420_bgra_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_BGRA
|
||||
#include "yuv_rgb_lsx_func.h"
|
||||
|
||||
#define LSX_FUNCTION_NAME yuv420_argb_lsx
|
||||
#define STD_FUNCTION_NAME yuv420_argb_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_ARGB
|
||||
#include "yuv_rgb_lsx_func.h"
|
||||
|
||||
#define LSX_FUNCTION_NAME yuv420_abgr_lsx
|
||||
#define STD_FUNCTION_NAME yuv420_abgr_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_ABGR
|
||||
#include "yuv_rgb_lsx_func.h"
|
||||
|
||||
#endif // SDL_LSX_INTRINSICS
|
||||
|
||||
#endif // SDL_HAVE_YUV
|
||||
|
|
@ -0,0 +1,36 @@
|
|||
#ifdef SDL_LSX_INTRINSICS
|
||||
|
||||
#include "yuv_rgb_common.h"
|
||||
|
||||
//yuv420 to bgra, lsx implementation
|
||||
void yuv420_rgb24_lsx(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_rgba_lsx(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_bgra_lsx(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_argb_lsx(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_abgr_lsx(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *v, const uint8_t *u, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
#endif //SDL_LSX_INTRINSICS
|
||||
|
|
@ -3,250 +3,7 @@
|
|||
#include "SDL_internal.h"
|
||||
|
||||
#if SDL_HAVE_YUV
|
||||
|
||||
#include "yuv_rgb.h"
|
||||
|
||||
#define PRECISION 6
|
||||
#define PRECISION_FACTOR (1<<PRECISION)
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uint8_t y_shift;
|
||||
int16_t matrix[3][3];
|
||||
} RGB2YUVParam;
|
||||
// |Y| |y_shift| |matrix[0][0] matrix[0][1] matrix[0][2]| |R|
|
||||
// |U| = | 128 | + 1/PRECISION_FACTOR * |matrix[1][0] matrix[1][1] matrix[1][2]| * |G|
|
||||
// |V| | 128 | |matrix[2][0] matrix[2][1] matrix[2][2]| |B|
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uint8_t y_shift;
|
||||
int16_t y_factor;
|
||||
int16_t v_r_factor;
|
||||
int16_t u_g_factor;
|
||||
int16_t v_g_factor;
|
||||
int16_t u_b_factor;
|
||||
} YUV2RGBParam;
|
||||
// |R| |y_factor 0 v_r_factor| |Y-y_shift|
|
||||
// |G| = 1/PRECISION_FACTOR * |y_factor u_g_factor v_g_factor| * | U-128 |
|
||||
// |B| |y_factor u_b_factor 0 | | V-128 |
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#pragma warning(push)
|
||||
#pragma warning(disable : 26451)
|
||||
#endif
|
||||
|
||||
#define V(value) (int16_t)((value*PRECISION_FACTOR)+0.5)
|
||||
|
||||
// for ITU-T T.871, values can be found in section 7
|
||||
// for ITU-R BT.601-7 values are derived from equations in sections 2.5.1-2.5.3, assuming RGB is encoded using full range ([0-1]<->[0-255])
|
||||
// for ITU-R BT.709-6 values are derived from equations in sections 3.2-3.4, assuming RGB is encoded using full range ([0-1]<->[0-255])
|
||||
// all values are rounded to the fourth decimal
|
||||
|
||||
static const YUV2RGBParam YUV2RGB[3] = {
|
||||
// ITU-T T.871 (JPEG)
|
||||
{/*.y_shift=*/ 0, /*.y_factor=*/ V(1.0), /*.v_r_factor=*/ V(1.402), /*.u_g_factor=*/ -V(0.3441), /*.v_g_factor=*/ -V(0.7141), /*.u_b_factor=*/ V(1.772)},
|
||||
// ITU-R BT.601-7
|
||||
{/*.y_shift=*/ 16, /*.y_factor=*/ V(1.1644), /*.v_r_factor=*/ V(1.596), /*.u_g_factor=*/ -V(0.3918), /*.v_g_factor=*/ -V(0.813), /*.u_b_factor=*/ V(2.0172)},
|
||||
// ITU-R BT.709-6
|
||||
{/*.y_shift=*/ 16, /*.y_factor=*/ V(1.1644), /*.v_r_factor=*/ V(1.7927), /*.u_g_factor=*/ -V(0.2132), /*.v_g_factor=*/ -V(0.5329), /*.u_b_factor=*/ V(2.1124)}
|
||||
};
|
||||
|
||||
static const RGB2YUVParam RGB2YUV[3] = {
|
||||
// ITU-T T.871 (JPEG)
|
||||
{/*.y_shift=*/ 0, /*.matrix=*/ {{V(0.299), V(0.587), V(0.114)}, {-V(0.1687), -V(0.3313), V(0.5)}, {V(0.5), -V(0.4187), -V(0.0813)}}},
|
||||
// ITU-R BT.601-7
|
||||
{/*.y_shift=*/ 16, /*.matrix=*/ {{V(0.2568), V(0.5041), V(0.0979)}, {-V(0.1482), -V(0.291), V(0.4392)}, {V(0.4392), -V(0.3678), -V(0.0714)}}},
|
||||
// ITU-R BT.709-6
|
||||
{/*.y_shift=*/ 16, /*.matrix=*/ {{V(0.1826), V(0.6142), V(0.062)}, {-V(0.1006), -V(0.3386), V(0.4392)}, {V(0.4392), -V(0.3989), -V(0.0403)}}}
|
||||
};
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#pragma warning(pop)
|
||||
#endif
|
||||
|
||||
/* The various layouts of YUV data we support */
|
||||
#define YUV_FORMAT_420 1
|
||||
#define YUV_FORMAT_422 2
|
||||
#define YUV_FORMAT_NV12 3
|
||||
|
||||
/* The various formats of RGB pixel that we support */
|
||||
#define RGB_FORMAT_RGB565 1
|
||||
#define RGB_FORMAT_RGB24 2
|
||||
#define RGB_FORMAT_RGBA 3
|
||||
#define RGB_FORMAT_BGRA 4
|
||||
#define RGB_FORMAT_ARGB 5
|
||||
#define RGB_FORMAT_ABGR 6
|
||||
|
||||
// divide by PRECISION_FACTOR and clamp to [0:255] interval
|
||||
// input must be in the [-128*PRECISION_FACTOR:384*PRECISION_FACTOR] range
|
||||
static uint8_t clampU8(int32_t v)
|
||||
{
|
||||
static const uint8_t lut[512] =
|
||||
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,
|
||||
47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,
|
||||
91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,
|
||||
126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,
|
||||
159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
|
||||
192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,
|
||||
225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,
|
||||
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
|
||||
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
|
||||
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
|
||||
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255
|
||||
};
|
||||
return lut[((v+128*PRECISION_FACTOR)>>PRECISION)&511];
|
||||
}
|
||||
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_rgb565_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB565
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_rgb24_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB24
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_rgba_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_RGBA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_bgra_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_BGRA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_argb_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_ARGB
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_abgr_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_ABGR
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_rgb565_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB565
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_rgb24_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB24
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_rgba_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_RGBA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_bgra_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_BGRA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_argb_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_ARGB
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_abgr_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_ABGR
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_rgb565_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB565
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_rgb24_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB24
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_rgba_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_RGBA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_bgra_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_BGRA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_argb_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_ARGB
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_abgr_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_ABGR
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
void rgb24_yuv420_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *RGB, uint32_t RGB_stride,
|
||||
uint8_t *Y, uint8_t *U, uint8_t *V, uint32_t Y_stride, uint32_t UV_stride,
|
||||
YCbCrType yuv_type)
|
||||
{
|
||||
const RGB2YUVParam *const param = &(RGB2YUV[yuv_type]);
|
||||
|
||||
uint32_t x, y;
|
||||
for(y=0; y<(height-1); y+=2)
|
||||
{
|
||||
const uint8_t *rgb_ptr1=RGB+y*RGB_stride,
|
||||
*rgb_ptr2=RGB+(y+1)*RGB_stride;
|
||||
|
||||
uint8_t *y_ptr1=Y+y*Y_stride,
|
||||
*y_ptr2=Y+(y+1)*Y_stride,
|
||||
*u_ptr=U+(y/2)*UV_stride,
|
||||
*v_ptr=V+(y/2)*UV_stride;
|
||||
|
||||
for(x=0; x<(width-1); x+=2)
|
||||
{
|
||||
// compute yuv for the four pixels, u and v values are summed
|
||||
int32_t y_tmp, u_tmp, v_tmp;
|
||||
|
||||
y_tmp = param->matrix[0][0]*rgb_ptr1[0] + param->matrix[0][1]*rgb_ptr1[1] + param->matrix[0][2]*rgb_ptr1[2];
|
||||
u_tmp = param->matrix[1][0]*rgb_ptr1[0] + param->matrix[1][1]*rgb_ptr1[1] + param->matrix[1][2]*rgb_ptr1[2];
|
||||
v_tmp = param->matrix[2][0]*rgb_ptr1[0] + param->matrix[2][1]*rgb_ptr1[1] + param->matrix[2][2]*rgb_ptr1[2];
|
||||
y_ptr1[0]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
|
||||
|
||||
y_tmp = param->matrix[0][0]*rgb_ptr1[3] + param->matrix[0][1]*rgb_ptr1[4] + param->matrix[0][2]*rgb_ptr1[5];
|
||||
u_tmp += param->matrix[1][0]*rgb_ptr1[3] + param->matrix[1][1]*rgb_ptr1[4] + param->matrix[1][2]*rgb_ptr1[5];
|
||||
v_tmp += param->matrix[2][0]*rgb_ptr1[3] + param->matrix[2][1]*rgb_ptr1[4] + param->matrix[2][2]*rgb_ptr1[5];
|
||||
y_ptr1[1]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
|
||||
|
||||
y_tmp = param->matrix[0][0]*rgb_ptr2[0] + param->matrix[0][1]*rgb_ptr2[1] + param->matrix[0][2]*rgb_ptr2[2];
|
||||
u_tmp += param->matrix[1][0]*rgb_ptr2[0] + param->matrix[1][1]*rgb_ptr2[1] + param->matrix[1][2]*rgb_ptr2[2];
|
||||
v_tmp += param->matrix[2][0]*rgb_ptr2[0] + param->matrix[2][1]*rgb_ptr2[1] + param->matrix[2][2]*rgb_ptr2[2];
|
||||
y_ptr2[0]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
|
||||
|
||||
y_tmp = param->matrix[0][0]*rgb_ptr2[3] + param->matrix[0][1]*rgb_ptr2[4] + param->matrix[0][2]*rgb_ptr2[5];
|
||||
u_tmp += param->matrix[1][0]*rgb_ptr2[3] + param->matrix[1][1]*rgb_ptr2[4] + param->matrix[1][2]*rgb_ptr2[5];
|
||||
v_tmp += param->matrix[2][0]*rgb_ptr2[3] + param->matrix[2][1]*rgb_ptr2[4] + param->matrix[2][2]*rgb_ptr2[5];
|
||||
y_ptr2[1]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
|
||||
|
||||
u_ptr[0] = clampU8(u_tmp/4+(128<<PRECISION));
|
||||
v_ptr[0] = clampU8(v_tmp/4+(128<<PRECISION));
|
||||
|
||||
rgb_ptr1 += 6;
|
||||
rgb_ptr2 += 6;
|
||||
y_ptr1 += 2;
|
||||
y_ptr2 += 2;
|
||||
u_ptr += 1;
|
||||
v_ptr += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
#include "yuv_rgb_internal.h"
|
||||
|
||||
#ifdef SDL_SSE2_INTRINSICS
|
||||
|
||||
|
|
@ -698,40 +455,6 @@ void SDL_TARGETING("sse2") rgb24_yuv420_sseu(uint32_t width, uint32_t height,
|
|||
}
|
||||
*/
|
||||
|
||||
#endif //SDL_SSE2_INTRINSICS
|
||||
#endif // SDL_SSE2_INTRINSICS
|
||||
|
||||
#ifdef SDL_LSX_INTRINSICS
|
||||
|
||||
#define LSX_FUNCTION_NAME yuv420_rgb24_lsx
|
||||
#define STD_FUNCTION_NAME yuv420_rgb24_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB24
|
||||
#include "yuv_rgb_lsx_func.h"
|
||||
|
||||
#define LSX_FUNCTION_NAME yuv420_rgba_lsx
|
||||
#define STD_FUNCTION_NAME yuv420_rgba_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_RGBA
|
||||
#include "yuv_rgb_lsx_func.h"
|
||||
|
||||
#define LSX_FUNCTION_NAME yuv420_bgra_lsx
|
||||
#define STD_FUNCTION_NAME yuv420_bgra_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_BGRA
|
||||
#include "yuv_rgb_lsx_func.h"
|
||||
|
||||
#define LSX_FUNCTION_NAME yuv420_argb_lsx
|
||||
#define STD_FUNCTION_NAME yuv420_argb_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_ARGB
|
||||
#include "yuv_rgb_lsx_func.h"
|
||||
|
||||
#define LSX_FUNCTION_NAME yuv420_abgr_lsx
|
||||
#define STD_FUNCTION_NAME yuv420_abgr_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_ABGR
|
||||
#include "yuv_rgb_lsx_func.h"
|
||||
|
||||
#endif //SDL_LSX_INTRINSICS
|
||||
|
||||
#endif /* SDL_HAVE_YUV */
|
||||
#endif // SDL_HAVE_YUV
|
||||
|
|
@ -0,0 +1,248 @@
|
|||
#ifdef SDL_SSE2_INTRINSICS
|
||||
|
||||
#include "yuv_rgb_common.h"
|
||||
|
||||
// yuv to rgb, sse implementation
|
||||
// pointers must be 16 byte aligned, and strides must be divisable by 16
|
||||
void yuv420_rgb565_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_rgb24_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_rgba_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_bgra_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_argb_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_abgr_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgb565_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgb24_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgba_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_bgra_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_argb_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_abgr_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgb565_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgb24_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgba_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_bgra_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_argb_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_abgr_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
// yuv to rgb, sse implementation
|
||||
// pointers do not need to be 16 byte aligned
|
||||
void yuv420_rgb565_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_rgb24_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_rgba_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_bgra_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_argb_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_abgr_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgb565_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgb24_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgba_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_bgra_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_argb_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_abgr_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgb565_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgb24_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgba_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_bgra_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_argb_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_abgr_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
|
||||
// rgb to yuv, standard c implementation
|
||||
void rgb24_yuv420_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *rgb, uint32_t rgb_stride,
|
||||
uint8_t *y, uint8_t *u, uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
// rgb to yuv, sse implementation
|
||||
// pointers must be 16 byte aligned, and strides must be divisible by 16
|
||||
void rgb24_yuv420_sse(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *rgb, uint32_t rgb_stride,
|
||||
uint8_t *y, uint8_t *u, uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
// rgb to yuv, sse implementation
|
||||
// pointers do not need to be 16 byte aligned
|
||||
void rgb24_yuv420_sseu(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *rgb, uint32_t rgb_stride,
|
||||
uint8_t *y, uint8_t *u, uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
YCbCrType yuv_type);
|
||||
#endif
|
||||
|
|
@ -0,0 +1,179 @@
|
|||
// Copyright 2016 Adrien Descamps
|
||||
// Distributed under BSD 3-Clause License
|
||||
#include "SDL_internal.h"
|
||||
|
||||
#if SDL_HAVE_YUV
|
||||
|
||||
#include "yuv_rgb_internal.h"
|
||||
|
||||
// divide by PRECISION_FACTOR and clamp to [0:255] interval
|
||||
// input must be in the [-128*PRECISION_FACTOR:384*PRECISION_FACTOR] range
|
||||
static uint8_t clampU8(int32_t v)
|
||||
{
|
||||
static const uint8_t lut[512] =
|
||||
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,
|
||||
47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,
|
||||
91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,
|
||||
126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,
|
||||
159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
|
||||
192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,
|
||||
225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,
|
||||
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
|
||||
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
|
||||
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
|
||||
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255
|
||||
};
|
||||
return lut[((v+128*PRECISION_FACTOR)>>PRECISION)&511];
|
||||
}
|
||||
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_rgb565_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB565
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_rgb24_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB24
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_rgba_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_RGBA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_bgra_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_BGRA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_argb_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_ARGB
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv420_abgr_std
|
||||
#define YUV_FORMAT YUV_FORMAT_420
|
||||
#define RGB_FORMAT RGB_FORMAT_ABGR
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_rgb565_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB565
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_rgb24_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB24
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_rgba_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_RGBA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_bgra_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_BGRA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_argb_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_ARGB
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuv422_abgr_std
|
||||
#define YUV_FORMAT YUV_FORMAT_422
|
||||
#define RGB_FORMAT RGB_FORMAT_ABGR
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_rgb565_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB565
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_rgb24_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_RGB24
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_rgba_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_RGBA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_bgra_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_BGRA
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_argb_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_ARGB
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
#define STD_FUNCTION_NAME yuvnv12_abgr_std
|
||||
#define YUV_FORMAT YUV_FORMAT_NV12
|
||||
#define RGB_FORMAT RGB_FORMAT_ABGR
|
||||
#include "yuv_rgb_std_func.h"
|
||||
|
||||
void rgb24_yuv420_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *RGB, uint32_t RGB_stride,
|
||||
uint8_t *Y, uint8_t *U, uint8_t *V, uint32_t Y_stride, uint32_t UV_stride,
|
||||
YCbCrType yuv_type)
|
||||
{
|
||||
const RGB2YUVParam *const param = &(RGB2YUV[yuv_type]);
|
||||
|
||||
uint32_t x, y;
|
||||
for(y=0; y<(height-1); y+=2)
|
||||
{
|
||||
const uint8_t *rgb_ptr1=RGB+y*RGB_stride,
|
||||
*rgb_ptr2=RGB+(y+1)*RGB_stride;
|
||||
|
||||
uint8_t *y_ptr1=Y+y*Y_stride,
|
||||
*y_ptr2=Y+(y+1)*Y_stride,
|
||||
*u_ptr=U+(y/2)*UV_stride,
|
||||
*v_ptr=V+(y/2)*UV_stride;
|
||||
|
||||
for(x=0; x<(width-1); x+=2)
|
||||
{
|
||||
// compute yuv for the four pixels, u and v values are summed
|
||||
int32_t y_tmp, u_tmp, v_tmp;
|
||||
|
||||
y_tmp = param->matrix[0][0]*rgb_ptr1[0] + param->matrix[0][1]*rgb_ptr1[1] + param->matrix[0][2]*rgb_ptr1[2];
|
||||
u_tmp = param->matrix[1][0]*rgb_ptr1[0] + param->matrix[1][1]*rgb_ptr1[1] + param->matrix[1][2]*rgb_ptr1[2];
|
||||
v_tmp = param->matrix[2][0]*rgb_ptr1[0] + param->matrix[2][1]*rgb_ptr1[1] + param->matrix[2][2]*rgb_ptr1[2];
|
||||
y_ptr1[0]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
|
||||
|
||||
y_tmp = param->matrix[0][0]*rgb_ptr1[3] + param->matrix[0][1]*rgb_ptr1[4] + param->matrix[0][2]*rgb_ptr1[5];
|
||||
u_tmp += param->matrix[1][0]*rgb_ptr1[3] + param->matrix[1][1]*rgb_ptr1[4] + param->matrix[1][2]*rgb_ptr1[5];
|
||||
v_tmp += param->matrix[2][0]*rgb_ptr1[3] + param->matrix[2][1]*rgb_ptr1[4] + param->matrix[2][2]*rgb_ptr1[5];
|
||||
y_ptr1[1]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
|
||||
|
||||
y_tmp = param->matrix[0][0]*rgb_ptr2[0] + param->matrix[0][1]*rgb_ptr2[1] + param->matrix[0][2]*rgb_ptr2[2];
|
||||
u_tmp += param->matrix[1][0]*rgb_ptr2[0] + param->matrix[1][1]*rgb_ptr2[1] + param->matrix[1][2]*rgb_ptr2[2];
|
||||
v_tmp += param->matrix[2][0]*rgb_ptr2[0] + param->matrix[2][1]*rgb_ptr2[1] + param->matrix[2][2]*rgb_ptr2[2];
|
||||
y_ptr2[0]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
|
||||
|
||||
y_tmp = param->matrix[0][0]*rgb_ptr2[3] + param->matrix[0][1]*rgb_ptr2[4] + param->matrix[0][2]*rgb_ptr2[5];
|
||||
u_tmp += param->matrix[1][0]*rgb_ptr2[3] + param->matrix[1][1]*rgb_ptr2[4] + param->matrix[1][2]*rgb_ptr2[5];
|
||||
v_tmp += param->matrix[2][0]*rgb_ptr2[3] + param->matrix[2][1]*rgb_ptr2[4] + param->matrix[2][2]*rgb_ptr2[5];
|
||||
y_ptr2[1]=clampU8(y_tmp+((param->y_shift)<<PRECISION));
|
||||
|
||||
u_ptr[0] = clampU8(u_tmp/4+(128<<PRECISION));
|
||||
v_ptr[0] = clampU8(v_tmp/4+(128<<PRECISION));
|
||||
|
||||
rgb_ptr1 += 6;
|
||||
rgb_ptr2 += 6;
|
||||
y_ptr1 += 2;
|
||||
y_ptr2 += 2;
|
||||
u_ptr += 1;
|
||||
v_ptr += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* SDL_HAVE_YUV */
|
||||
|
|
@ -0,0 +1,130 @@
|
|||
// Copyright 2016 Adrien Descamps
|
||||
// Distributed under BSD 3-Clause License
|
||||
|
||||
// Provide optimized functions to convert images from 8bits yuv420 to rgb24 format
|
||||
|
||||
// There are a few slightly different variations of the YCbCr color space with different parameters that
|
||||
// change the conversion matrix.
|
||||
// The three most common YCbCr color space, defined by BT.601, BT.709 and JPEG standard are implemented here.
|
||||
// See the respective standards for details
|
||||
// The matrix values used are derived from http://www.equasys.de/colorconversion.html
|
||||
|
||||
// YUV420 is stored as three separate channels, with U and V (Cb and Cr) subsampled by a 2 factor
|
||||
// For conversion from yuv to rgb, no interpolation is done, and the same UV value are used for 4 rgb pixels. This
|
||||
// is suboptimal for image quality, but by far the fastest method.
|
||||
|
||||
// For all methods, width and height should be even, if not, the last row/column of the result image won't be affected.
|
||||
// For sse methods, if the width if not divisable by 32, the last (width%32) pixels of each line won't be affected.
|
||||
|
||||
/*#include <stdint.h>*/
|
||||
|
||||
#include "yuv_rgb_common.h"
|
||||
|
||||
// yuv to rgb, standard c implementation
|
||||
void yuv420_rgb565_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_rgb24_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_rgba_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_bgra_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_argb_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv420_abgr_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgb565_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgb24_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_rgba_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_bgra_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_argb_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuv422_abgr_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgb565_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgb24_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_rgba_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_bgra_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_argb_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
|
||||
void yuvnv12_abgr_std(
|
||||
uint32_t width, uint32_t height,
|
||||
const uint8_t *y, const uint8_t *u, const uint8_t *v, uint32_t y_stride, uint32_t uv_stride,
|
||||
uint8_t *rgb, uint32_t rgb_stride,
|
||||
YCbCrType yuv_type);
|
||||
Loading…
Reference in New Issue