about YUV to RGB

chengjiejie

src = wrapbuffer_virtualaddr((void*)(aFrame->data[0]), aFrame->width, aFrame->height, RK_FORMAT_YCbCr_420_SP);
                dst = wrapbuffer_virtualaddr((void*)(aRGBMat.data), img_width, img_height, RK_FORMAT_RGB_888);
                IM_STATUS istatus = imcvtcolor(src, dst, RK_FORMAT_YCbCr_420_SP, RK_FORMAT_RGB_888);//,IM_YUV_TO_RGB_BT709_LIMIT,1


1188                        IM_STATUS istatus = imcvtcolor(src, dst, RK_FORMAT_YCbCr_420_SP, RK_FORMAT_RGB_888);//,IM_YUV_TO_RGB_BT709_LIMIT,1
(gdb) n
RgaBlit(1465) RGA_BLIT fail: Invalid argument
RgaBlit(1466) RGA_BLIT fail: Invalid argument
fd-vir-phy-hnd-format[0, 0x7fe8c97000, (nil), 0, 0]
rect[0, 0, 1920, 816, 1920, 816, 2560, 0]
f-blend-size-rotation-col-log-mmu[0, 0, 0, 0, 0, 0, 1]
fd-vir-phy-hnd-format[0, 0x7fe97dd040, (nil), 0, 0]
rect[0, 0, 1920, 816, 1920, 816, 512, 0]
f-blend-size-rotation-col-log-mmu[0, 0, 0, 0, 0, 0, 1]
This output the user patamaters when rga call blit fail
srect[x,y,w,h] = [0, 0, 0, 0] src[w,h,ws,hs] = [1920, 816, 1920, 816]

drect[x,y,w,h] = [0, 0, 0, 0] dst[w,h,ws,hs] = [1920, 816, 1920, 816]





what is the problem for convertion?