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On Mon, 2006-08-28 at 22:09 +0930, Iain Buchanan wrote: |
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> On Fri, 2006-08-11 at 08:21 +0100, Uwe Thiem wrote: |
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> > On 10 August 2006 23:06, Iain Buchanan wrote: |
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> > > Hi all, |
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> > > |
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> > > I'm trying out mencoder to try a few different codecs and formats for 1. |
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> > > dvd authoring and 2. just compressing to keep on my HD. |
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> > |
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> > For DVDs, try this: |
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> > |
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> > mencoder -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd \ |
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> > -vf scale=720:576,harddup -srate 48000 -af lavcresample=48000 \ |
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> > -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:\ |
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> > vbitrate=5000:keyint=15:acodec=ac3:abitrate=192:aspect=4/3 \ |
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> > -ofps 25 -o outfile.mpeg infile |
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> |
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> wow! I just got around to trying that a couple of days ago and it |
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> produces great output: fast, small file size, and no noticeable |
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> difference in quality between the mpeg and the original dv! (I watched |
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> many different clips many times over to make sure! on TV and on my LCD) |
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Hmm, on closer inspection, I _do_ notice the output is slightly lower |
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quality. (Don't know why I didn't see it before...) Is there any way I |
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can tweak the quality? Can I change vbitrate, or is 5000 a dvd standard? |
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thanks heaps! |
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-- |
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Iain Buchanan <iaindb at netspace dot net dot au> |
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We were so poor we couldn't afford a watchdog. If we heard a noise at night, |
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we'd bark ourselves. |
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-- Crazy Jimmy |
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-- |
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