ffmpegOC
Intel Core i7-3770K testing with a Gigabyte Z77X-UD5H and eVGA NVIDIA GeForce GTX 660 Ti on Ubuntu 14.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1405070-SO-FFMPEGOC383.
FFmpeg
H.264 HD To NTSC DV
Phoronix Test Suite v10.8.4