$ cat /sys/class/video4linux/video0/name
ivtv0 encoder MPG
$ lspci -nn
01:00.0 VGA compatible controller [0300]: nVidia Corporation NV34 [GeForce FX 5200] [10de:0322] (rev a1)
05:09.0 Multimedia video controller [0400]: Internext Compression Inc iTVC16 (CX23416) MPEG-2 Encoder [4444:0016] (rev 01)