Lemmings - UCUS98647

[gid15]

Code:

9286   user_main   DEBUG   hle.IoFileMgrForUser   hleIoRead(id=4,data=0x9ffeb10,size=0x54) async=true  
...
9299   user_main   DEBUG   hle.sceMpeg   sceMpegQueryStreamOffset mpeg=0x8C2C16C, bufferAddr=0x09FFEB10, offsetAddr=0x08C2C18C  
9322   user_main   DEBUG   hle.sceMpeg   Stream offset: 2048, Stream size: 0x56800  
9322   user_main   DEBUG   hle.sceMpeg   First timestamp: -1, Last timestamp: -1

This game is calling sceMpegQueryStreamOffset with an incomplete MPEG header (only 0x54 bytes were read from the PMF file).
This should now be supported in r2737