isPlanarYUV       549 libswscale/swscale.c             if (isPlanarYUV(dstFormat) ||
isPlanarYUV      1740 libswscale/swscale_unscaled.c         (isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) ||
isPlanarYUV      1741 libswscale/swscale_unscaled.c         (isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) ||
isPlanarYUV      1743 libswscale/swscale_unscaled.c         (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&