precisionmediumpfloat;uniformsampler2DtextureY;uniformsampler2DtextureU;uniformsampler2DtextureV;varyingvec2vs_fs_textureCoord;constmat4YUV_TO_RGB_MATRIX=mat4(1,0,1.5748,0,1,-0.1873242729,-0.4681242729,0,1,1.8556,0,0,0,0,0,1);voidmain(){floaty=texture2D(textureY,vs_fs_textureCoord).r;floatu...
如果要实现YUV转换到RGB,可以看一下convert_argb的头文件:https://github.com/lemenkov/libyuv/blob/master/include/libyuv/convert_argb.h // Conversion matrix for YUV to RGB LIBYUV_API extern const struct YuvConstants kYuvI601Constants; // BT.601 LIBYUV_API extern const struct YuvConstants kYuvJPEG...
YUV2RGB Matrix: 1, 0, 1.4746 1, -0.1646, -0.5714 1, 1.8814, 0 "BT601 625 D65" Input: r=(0.64,0.33) g=(0.29,0.60) b=(0.15,0.06) w=(0.3127,0.3290) RGB2XYZ Matrix: 0.4306, 0.3415, 0.1784 0.2220, 0.7067, 0.0713 0.0202, 0.1296, 0.9393 XYZ2RGB Matrix: 3.0634, -1.3934, -0.4758...
uniform sampler2D chrominanceTexture; uniform mediump mat3 colorConversionMatrix; void main() { mediump vec3 yuv; lowp vec3 rgb; yuv.x = texture2D(luminanceTexture, textureCoordinate).r; yuv.yz = texture2D(chrominanceTexture, textureCoordinate).ra - vec2(0.5, 0.5); rgb = colorConversionMat...
Set the matrix to convert from YUV to RGB with a direct copy of the 4th channel. C# 複製 [Android.Runtime.Register("setYUVtoRGB", "()V", "")] public void SetYUVtoRGB (); Attributes RegisterAttribute Remarks Set the matrix to convert from YUV to RGB with a direct copy of t...
namespace yuv2rgbcs { class Program { static double[,] YUV2RGB_CONVERT_MATRIX = new double[3, 3] { { 1, 0, 1.4022 }, { 1, -0.3456, -0.7145 }, { 1, 1.771, 0 } }; static void Main(string[] args) { int width = 1280; ...
demo中用到两次转换,分别是shader中maskColor从rgb转yuv和还有读取的图像从yuv转rgb。...其中yuv转rgb的矩阵在GPUImage中可参考: // 设置好转换的矩阵 matrix_float3x3 kColorConversion601FullRangeMatrix = (...转yuv的时候,经过一番查找,终于在rgb和yuv颜色空间的转换找到: ?...注意上述的16、128...
vImage_Error error= vImageConvert_YpCbCrToARGB_GenerateConversion(kvImage_YpCbCrToARGBMatrix_ITU_R_601_4, &pixelRange, &infoYpCbCrToARGB, kvImage420Yp8_CbCr8, kvImageARGB8888, kvImageNoFlags); uint8_t permuteMap[4] = {0,1,2,3}; ...
那么,根据H.264文档,CVFieldCount只是说明CVPixelBuffer只有一个访问单元(Access Unit),而BottomField和TopField两个域表达了图像缓冲区两个色度的位置,与图像倒转无关。其余参数,如YCbCrMatrix只是源视频需要的YUV转RGB矩阵。 所以,根据我对Core Video的了解,目前使用Core Video接口无法处理此情况,只能在GPU中通过镜像...
{\displaystyle {\begin{bmatrix}R\\G\\B\end{bmatrix}}={\begin{bmatrix}1&-0.00093&1.401687\\1&-0.3437&-0.71417\\1&1.77216&0.00099\end{bmatrix}}{\begin{bmatrix}Y\\U-128\\V-128\end{bmatrix}}} YUV转RGB[编辑] function RGB* YUV444toRGB888(Y, U, V);将YUV format移转成简单的RGB...