PIX_FMT_RGB48BE   404 libavcodec/pnmenc.c .pix_fmts= (enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB48BE, PIX_FMT_NONE},
PIX_FMT_RGB48BE   107 libavutil/pixfmt.h PIX_FMT_RGB48BE,   ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, big-endian