In order to test profiles, transcoding and playback of files for your device, try some of these files:
FFmpeg samples repository:
Other resources:
http://www.nextcomwireless.com/R5000/samples.htm
http://www.divx.com/en/electronics/solutions/high-definition/divx-hd
http://tomtom2k5.free.fr/mkv/1080p/
http://www.demo-world.eu/trailers/high-definition-trailers.php
http://www.demo-world.eu/trailers/
http://www.sintel.org/wp-content/content/download.html
http://www.bigbuckbunny.org/index.php/download/
http://samples.ffmpeg.org/MPEG-VOB/ClosedCaptions/Starship_Troopers.vob
This (Starship_Troopers.vob) is a piece of VOB file from a Region 1 DVD containing Closed Captions. It contains English soundtracks (aid 129 is AC3-5.1), and a commentary, plus subtitles in DVD format (sid 0 is English).
http://streams.videolan.org/streams-videolan/ts/video_subs_ttxt+dvbsub.ts