11bd4fe43Sopenharmony_ci### 4.1.6 色彩空间转换算子
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31bd4fe43Sopenharmony_ci#### 4.1.6.1 色彩空间转换算子实现
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51bd4fe43Sopenharmony_ci通过IVE加速过得色彩空间转换算子可以提高软件在板端运行效率，充分利用硬件资源来为软件服务，color_space_convert中定义了如下空间转换算子，可参考**源码的device/soc/hisilicon/hi3516dv300/sdk_linux/sample/taurus/color_space_convert/smp中**的smp_color_space_convert.h，如下图所示：
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71bd4fe43Sopenharmony_ci![](./figures/hispark_taurus_color_space_convert_sample/028%E8%89%B2%E5%BD%A9%E8%BD%AC%E6%8D%A2%E6%8E%A5%E5%8F%A3.png)
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91bd4fe43Sopenharmony_ci详细讲解下各算子的用法。
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111bd4fe43Sopenharmony_ci以下算子的实现都可以在device/soc/hisilicon/hi3516dv300/sdk_linux/sample/taurus/color_space_convert/smp/smp_color_space_convert.c中找到
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131bd4fe43Sopenharmony_ci###### SAMPLE_IVE_OrigImgToFrm
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151bd4fe43Sopenharmony_ci* 功能：ive image to video frame.
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171bd4fe43Sopenharmony_ci* 具体实现方式如下：
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191bd4fe43Sopenharmony_ci![](./figures/hispark_taurus_color_space_convert_sample/029Sample_IVE_OrigImgToFrm.png)
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211bd4fe43Sopenharmony_ci###### SAMPLE_IVE_FrmToOrigImg
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231bd4fe43Sopenharmony_ci* 功能：video frame to ive image.
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251bd4fe43Sopenharmony_ci* 具体实现方式如下：
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271bd4fe43Sopenharmony_ci![](./figures/hispark_taurus_color_space_convert_sample/030SAMPLE_IVE_FrmToOrigImg.png)
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291bd4fe43Sopenharmony_ci###### SAMPLE_IVE_FrmToU8c1Img
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311bd4fe43Sopenharmony_ci* 功能：video YUV frame to ive image (U8C1)
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331bd4fe43Sopenharmony_ci* 具体实现方式如下：
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351bd4fe43Sopenharmony_ci![](./figures/hispark_taurus_color_space_convert_sample/031SAMPLE_IVE_FrmToU8C1Img.png)
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371bd4fe43Sopenharmony_ci###### SAMPLE_IVE_FrmToRgbImg_ImgRgbToYuv
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391bd4fe43Sopenharmony_ci* 具体实现方式如下：
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411bd4fe43Sopenharmony_ci* 功能：ive image RGB to YUV
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431bd4fe43Sopenharmony_ci![](./figures/hispark_taurus_color_space_convert_sample/032SAMPLE_IVE_FrmToRgbImg_ImgRgbToYuv.png)
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451bd4fe43Sopenharmony_ci###### SAMPLE_IVE_FrmToRgbImg_ImgRgbToBgr
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471bd4fe43Sopenharmony_ci* 功能：ive image RGB to BGR
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491bd4fe43Sopenharmony_ci* 具体实现方式如下：
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511bd4fe43Sopenharmony_ci![](./figures/hispark_taurus_color_space_convert_sample/033SAMPLE_IVE_FrmToRGBImg_ImgRgbToBgr.png)
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