libmpeg2 is a library for decoding MPEG-1 and MPEG-2 video streams. Its
main goals are standards conformance, speed, portability, and
reuseability. The package also includes mpeg2dec, a small test
program for libmpeg2.
liba52 is a free library for decoding ATSC A/52 streams. The A/52 standard is used in a variety of applications, including digital television and DVD. It is also known as AC-3. The package also includes a52dec, a small test program for liba52.