Discussion:
Good workflow for publishing web-sized video with license metadata
Holmes Wilson
2009-09-01 17:01:55 UTC
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Hey all,

What are the ffmpeg2theora parameters used by videobin and tinyvid.tv.
I'm looking for two things for FSF's video workflow:

1) ffmpeg2theora parameters that shrink arbitrary video (including
perhaps ogg) to a good size/quality for web video.

2) good options for oggz-comment to add author, copyright, and license
information.

Also, do tinyvid or videobin let me add these metadata tags?

Spent yesterday playing with this and haven't found anything totally
satisfactory.

Thoughts?

-Holmes
o***@public.gmane.org
2009-09-01 17:24:52 UTC
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Post by Holmes Wilson
1) ffmpeg2theora parameters that shrink arbitrary video (including
perhaps ogg) to a good size/quality for web video.
-x 640 -y 480 (or whatever values you wish).
You may want to have a loo at the -p option (predefined settings, one
of which may
be just what you need already).
Post by Holmes Wilson
2) good options for oggz-comment to add author, copyright, and license
information.
oggz comment -o new.ogv original.ogv author="foo" copyright="bar" licence="baz"

Add -d if you want to remove what comments are already present.

Note that ffmpeg2theora can take those metadata as command line options too,
if that's easier.

There is also a Python UI for ffmpeg2theora. The metadata support for it
is commented out, however, but you can select video size/quality from it:
cd frontend
./"Simple Theora Encoder.py"
Chris Double
2009-09-01 22:51:50 UTC
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What are the ffmpeg2theora parameters used by videobin and tinyvid.tv. I'm
On tinyvid.tv I use ffmpeg2theora with the following arguments:

ffmpeg2theora --two-pass --videoquality 10 --width 800 --videobitrate
1200 --no-upscaling

The maximum width of 800 is so it plays back ok on current
implementations of the <video> element in browsers.

I don't add metadata to the videos, instead allow entering a
description on the site for that sort of thing. I do eventually want
to add a way of entering metadata in the video itself.

Chris.
--
http://tinyvid.tv
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