[Mp4-tech] Re: PES packet byte alignment?

[Samuel Rivas]

matt rosenthal2 wrote:
>    Hi All,
>    I am trying to write a program to extract PES packets from a mpeg
>    transport stream.  All of the PES packets I am looking for have the start
>    code prefix = 0x000001.
>    My question is:  Will these 24 bits always be byte aligned?

  They are. The first payload bytes of a TS packet marked with
payload_unit_start_indicator are always 0x000001 (for PIDs containing
PE streams).
  Regards
-- 
	Samuel