MAX_PLANES         50 libavcodec/ffv1.h #define MAX_PLANES 4
MAX_PLANES         40 libavcodec/proresenc_kostya.c #define MAX_PLANES 4
MAX_PLANES         41 libavcodec/snow.h #define MAX_PLANES 4
MAX_PLANES         46 libavfilter/drawutils.h #define MAX_PLANES 4