put_alpha_diff    445 libavcodec/proresenc_anatoliy.c     put_alpha_diff(&pb, cur, prev);
put_alpha_diff    451 libavcodec/proresenc_anatoliy.c             put_alpha_diff(&pb, cur, prev);
put_alpha_diff    531 libavcodec/proresenc_kostya.c     put_alpha_diff(pb, cur, prev, abits);
put_alpha_diff    537 libavcodec/proresenc_kostya.c             put_alpha_diff(pb, cur, prev, abits);