Saved FAQ from Freescale.com for information only:
Topic: Memory, Design Considerations, Graphics or Multimedia
Question. When determining the DRAM size for a design it is important to take into account the sometimes large memory needs for video decoding.
Answer. The attached table indicates the memory requirements for D1 (720x576) resolution video decoding for each of the codecs supported by the i.MX51 Video Processing Unit.
i.MX Applications Processors > i.MX51 Processors > i.MX512, i.MX513, i.MX514, i.MX515, i.MX516