MAX_VARIABLE_LEVEL   61 3rdparty/libwebp/enc/vp8enci.h        MAX_VARIABLE_LEVEL = 67,  // last (inclusive) level with variable cost
MAX_VARIABLE_LEVEL  190 3rdparty/libwebp/enc/vp8enci.h typedef uint16_t CostArray[NUM_CTX][MAX_VARIABLE_LEVEL + 1];