1. A method for use in encoding content, the method comprising: receiving source content; encoding the source content producing encoded content; evaluating a first encoded segment of the encoded content relative to one or more buffer models; determining whether the first segment of encoded content is to be re-encoded relative to at least one of the one or more buffer models based on the evaluating; re-encoding the first segment when it is determined that the first segment is to be re-encoded; and the re-encoding of the first segment comprises re-encoding the first segment to utilize freed up bits freed up from the re-encoding of one or more other segments of the encoded content.