isGray           1934 libswscale/swscale.c         if ((isGray(c->srcFormat) || isGray(c->dstFormat)) && plane>0)
isGray           1936 libswscale/swscale.c             if (!isGray(c->dstFormat))
isGray           1970 libswscale/swscale.c     if (!isGray(c->dstFormat)){
isGray           2098 libswscale/swscale.c     if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return 0;
isGray           2149 libswscale/swscale.c     if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
isGray           2409 libswscale/swscale.c             || (isPlanarYUV(srcFormat) && isGray(dstFormat))
isGray           2410 libswscale/swscale.c             || (isPlanarYUV(dstFormat) && isGray(srcFormat)))
isGray           2472 libswscale/swscale_template.c     else if (isGray(srcFormat) || srcFormat==PIX_FMT_MONOBLACK || srcFormat==PIX_FMT_MONOWHITE)
isGray           2809 libswscale/swscale_template.c                 if (!(isGray(srcFormat) || isGray(dstFormat)))
isGray           2850 libswscale/swscale_template.c                 if (!(isGray(srcFormat) || isGray(dstFormat)))
isGray           2923 libswscale/swscale_template.c                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
isGray           3004 libswscale/swscale_template.c                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi