On 2/9/2020 8:51 AM, Reino Wijnsma wrote: > ...for instance would skip 188*27888=5242944bytes (around 5M) and extract 188*55775=10485700 (around 10M), but I don't understand where the 188 comes from. Packet size of an mpeg transport stream, but I only knew that from some work a few years ago. z!