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发明授权
CN106228581B 通过GPU将像素格式由ARGB转换为NV12的方法及系统 有权 转让

通过GPU将像素格式由ARGB转换为NV12的方法及系统
摘要：
本发明公开了一种通过GPU将像素格式由ARGB转换为NV12的方法及系统，涉及像素格式转换领域。该方法的步骤为：在图形编程接口的二维纹理接口中创建1个8位像素格式的Y平面储存纹理和1个16位像素格式的UV平面储存纹理；将需要转换的ARGB储存纹理输入至GPU，GPU通过HLSL语言，将ARGB储存纹理中图像的像素格式由ARGB转换为NV12后，将NV12像素格式的图像的Y平面赋值至所述Y平面储存纹理，将NV12像素格式的图像的UV平面赋值至所述UV平面储存纹理。本发明能够缩短像素格式转换的计算过程，提高转换效率。
摘要（英）：

The invention discloses a method and system for converting pixel formats from ARGB (Alpha, Red, Green, Blue) into NV12 through a GPU (graphics processing unit), and relates to the field of pixel format conversion. The method comprises the following steps of creating one 8-bit pixel format Y plane storage texture and one 16-bit pixel format UV plane storage texture in a two-dimensional texture interface of a graphical programming interface; inputting ARGB storage textures to be converted into the GPU; converting the pixel formats of images in the ARGB storage textures into NV12 from ARGB by the GPU via HLSL (high level shader language); assigning a Y plane of the images in the NV12 pixel format to Y plane storage textures; assigning a UV plane of the images in the NV12 pixel format to UV plane storage textures. The method and the system have the advantages that the pixel format conversion calculating process can be shortened; the conversion efficiency is improved.

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