av_find_best_pix_fmt_of_2   61 libavcodec/imgconvert.c     return av_find_best_pix_fmt_of_2(dst_pix_fmt1, dst_pix_fmt2, src_pix_fmt, has_alpha, loss_ptr);
av_find_best_pix_fmt_of_2  646 libavfilter/avfiltergraph.c                 best= av_find_best_pix_fmt_of_2(best, p, ref->format, has_alpha, NULL);
av_find_best_pix_fmt_of_2  370 libavutil/pixdesc.h enum AVPixelFormat av_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2,