libavcodec/utvideoenc.c@down_heap;
libavcodec/utvideoenc.c@encode_plane;
libavcodec/utvideoenc.c@up_heap;
libavcodec/utvideoenc.c@count_usage;
libavcodec/utvideoenc.c@add_weights;
libavcodec/utvideoenc.c@calculate_code_lengths;
