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Measurement and Analysis Tools
Video Playback Test Suite
Our main video test suite features a variety of H.264/VC-1 clips encoded for
playback on the PC. The clips are played with PowerDVD 8 and a CPU usage graph
is created by the Windows Task Manger for analysis to determine the approximate
mean and peak CPU usage. High CPU usage is indicative of poor video decoding
ability on the part of the integrated graphics subsystem. If the video (and/or
audio) skips or freezes, we conclude the board's IGP (in conjunction with the
processor) is adequate to decompress the clip properly.
720p | 25fps | ~6mbps |
1080p | 24fps | ~10mbps |
x264/MKV Video Playback Test Suite
MKV (Matroska) is a very popular online multimedia container used
for high definition content, usually using x264 (a free, open source H.264 encoder)
for video. Playback of such files is heavily CPU dependant and thus extremely
stressful on low-end machines. To playback such clips we use Media Player Classic,
and CoreAVC, a dedicated H.264 decoder that is known to make such videos playable
on marginal systems. The clips were taken from two longer videos the
most demanding one minute portions were used.
720p | 24fps | ~11mbps
Undead Battle: Undead Battle is a 720p x264 clip encoded from
the Blu-ray version of a major motion picture. It features a battle
between undead warriors.
1080p | 24fps | ~14mbps
Spaceship: Spaceship is a 1080p x264 clip encoded from the Blu-ray
version of an animated short film. It features a hapless robot trying
to repair a lamp on a spaceship.
Performance Benchmarking Particulars
- Eset NOD32: in-depth virus scan of a folder containing 32
files of varying size with a few of them being file archives.
- WinRAR: archive creation with a folder containing 68 files of varing size
(less than 50MB).
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