MEncoder

„MEncoder is a free command line video decoding, encoding and filtering tool released under the GNU General Public License. It is a close sibling to MPlayer and can convert all the formats that MPlayer understands into a variety of compressed and uncompressed formats using different codecs.“

MEncoder. (2008, February 23). In Wikipedia, The Free Encyclopedia. Retrieved 18:57, April 5, 2008, from
http://en.wikipedia.org/w/index.php?title=MEncoder&oldid=193447614


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Tuesday, April 15, 2008

[MEncoder-users] Users uploaded videos...

Hi,

I have to implement/optimize video uploads from users and
trans-code
them to flv (basically like youtube does).
I have to handle all sorts of videos: 3gp, asf, avi, flv, mkv,
mov, mp4,
mpg, ogm, rm, wmv...

1. After reading the mailing-list archives, I seem to understand
that
you have basically to choose between ffmpeg (for "quality") and
mencoder
(for codecs quantity)...
So, am I "stuck" with mencoder (since I need to handle many
codecs)?

2. Are there any well-known good packages (fully optimized with
maximum
supported codecs, rpm if possible) or do I have to compile from
source?

3. Is it possible to have one set of mencoder parameters that
would work
for any type of video or do I need to add/remove some specific
ones for
some specific formats? If it is possible, what would the
parameters be
(apart from resizing, etc)?

4. I also read about a "B frames problem" with h264 that would
only work
with ffmpeg... While I know that I am on the mencoder list, does
anyone
know an application that could handle "B frames" and most
codecs.

5. If you have any advices/links, I would be very grateful. I
tried to
google some articles/tutorials but did not find much...

Thanks,
Nicolas.

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