ADAPT_LEVEL       318 libavcodec/sonic.c             step += step / ADAPT_LEVEL;
ADAPT_LEVEL       331 libavcodec/sonic.c             step -= step / ADAPT_LEVEL;
ADAPT_LEVEL       385 libavcodec/sonic.c             step += step / ADAPT_LEVEL;
ADAPT_LEVEL       403 libavcodec/sonic.c             step -= step / ADAPT_LEVEL;