STATUS_END_REACHED  468 libavfilter/signature_lookup.c                 status = STATUS_END_REACHED;
STATUS_END_REACHED  494 libavfilter/signature_lookup.c                 status == STATUS_END_REACHED | STATUS_BEGIN_REACHED ||
STATUS_END_REACHED  510 libavfilter/signature_lookup.c         if (status == (STATUS_END_REACHED | STATUS_BEGIN_REACHED)) {