I don't know if there's any source with a wide variety of formats, but there are various sites with some samples. Here's one for H.264 videos, mostly movie trai

I don't know if there's any source with a wide variety of formats, but there are various sites with some samples. Here's one for H.264 videos, mostly movie trailers, encoded using various parameters: http://www.h264info.com/clips.html http://www.h264info.com/clips.html I've used it before when I built a system that processed video files.