This is an Amiga port of the PVRG-MPEG codec and ppmtoyuvsplit.
It can assemble series of pictures into MPEGs and vice versa.
Sources can be found on havefun.stanford.edu .

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
-rw-r--r--   148/106     43401   44496  97.5% -lh5- c0a7 Jun 16  1993 mpeg
-rw-r--r--   148/106      2979    8509  35.0% -lh5- 47ce Jun 16  1993 mpeg.man
-rw-r--r--   148/106      6994    7292  95.9% -lh5- 8c4b Jun 16  1993 ppmtoyuvsplit
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         3 files   53374   60297  88.5%            Jun 17  1993