MAX_HUFFMAN_BITS  539 3rdparty/libwebp/enc/vp8l.c   assert(histogram_bits <= MAX_HUFFMAN_BITS);
MAX_HUFFMAN_BITS  936 3rdparty/libwebp/enc/vp8l.c          (histo_bits > MAX_HUFFMAN_BITS) ? MAX_HUFFMAN_BITS : histo_bits;