INPUT_EOF         304 libavfilter/af_amix.c                     if (!(s->input_state[i] & INPUT_EOF))
INPUT_EOF         393 libavfilter/af_amix.c              (s->input_state[i] & INPUT_EOF))
INPUT_EOF         474 libavfilter/af_amix.c                     s->input_state[i] |= INPUT_EOF;