Hi,
based on information from this mailing list, I started a tool to do
frame-accurate cuts of h264 videos with only small quality loss. It
simply copies groups of pictures without a cutting point and
re-encodes the frames from/until the previous/next key frame if there
is a cutting point in between.
It is still experimental and I have a few videos where it does not work
reliably yet but if somebody is interested I would appreciate patches,
comments and bug reports. I also wrote a few words about what I learned
while writing the first version on my site [1].
The code is available on GitHub: https://github.com/anyc/avcut
Thank you!
Mario
[1]
http://kicherer.org/joomla/index.php/de/blog/42-avcut-frame-accurate-video-cutting-with-only-small-quality-loss
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