Marcelo Magno T. Sales wrote:
> Hello,
>
> When I was running Karmic, I would encode a video to x264 running ffmpeg
> as follows:
> ffmpeg -i inputfile.ext -vcodec libx264 -acodec libfaac -sameq -s
> 854x480 -aspect 1.78 outputfile.mp4
>
> It used to work great. However, when I use this very same command line
> in lucid, I get this error message:
>
> [libx264 @ 0xc28200]broken ffmpeg default settings detected
> [libx264 @ 0xc28200]use an encoding preset (vpre)
> Error while opening codec for output stream #0.0 - maybe incorrect
> parameters such as bit_rate, rate, width or height
>
> I found some preset files in /usr/share/ffmpeg. If I use one of them
> with the -vpre switch, ffmpeg runs without complaining, but with none of
> these preset files I get results comparable with what I was used to in
> Karmic. For example, if I run ffmpeg with -vpre default, I get a very
> tiny file with horrible quality. If I use -vpre lossless_slower, I get a
> file with good quality, but with a size 7 to 10 times the original (in
> Karmic, I would get a file smaller than the original). And so on.
> I've read some ffmpeg encoding tutorials, but so far I'm still unable to
> generate video files with acceptable quality and sizes.
>
> Any suggestions?
>
> Thanks,
>
> Marcelo
>

Get handbrake.. unless you're *really* married to the idea of wrestling
with ffmpeg directly.



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Em quarta-feira 15 setembro 2010, Rashkae escreveu:
> Marcelo Magno T. Sales wrote:
> > Hello,
> >
> > When I was running Karmic, I would encode a video to x264 running
> > ffmpeg as follows:
> > ffmpeg -i inputfile.ext -vcodec libx264 -acodec libfaac -sameq -s
> > 854x480 -aspect 1.78 outputfile.mp4
> >
> > It used to work great. However, when I use this very same command
> > line in lucid, I get this error message:
> >
> > [libx264 @ 0xc28200]broken ffmpeg default settings detected
> > [libx264 @ 0xc28200]use an encoding preset (vpre)
> > Error while opening codec for output stream #0.0 - maybe incorrect
> > parameters such as bit_rate, rate, width or height
> >
> > I found some preset files in /usr/share/ffmpeg. If I use one of
> > them with the -vpre switch, ffmpeg runs without complaining, but
> > with none of these preset files I get results comparable with what
> > I was used to in Karmic. For example, if I run ffmpeg with -vpre
> > default, I get a very tiny file with horrible quality. If I use
> > -vpre lossless_slower, I get a file with good quality, but with a
> > size 7 to 10 times the original (in Karmic, I would get a file
> > smaller than the original). And so on. I've read some ffmpeg
> > encoding tutorials, but so far I'm still unable to generate video
> > files with acceptable quality and sizes.
> >
> > Any suggestions?
> >
> > Thanks,
> >
> > Marcelo
>
> Get handbrake.. unless you're *really* married to the idea of
> wrestling with ffmpeg directly.

Thanks for your suggestion. However, I need a tool that allows me to do
batch conversions, because I have dozens of videos that I need to
convert to x264.

[]'s
Marcelo

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>
> Thanks for your suggestion. However, I need a tool that allows me to do
> batch conversions, because I have dozens of videos that I need to
> convert to x264.

handbrake has both a GUI and CLI version ...

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On Thu, 2010-09-16 at 19:29 +0100, Chris Jones wrote:
> >
> > Thanks for your suggestion. However, I need a tool that allows me to do
> > batch conversions, because I have dozens of videos that I need to
> > convert to x264.
>
> handbrake has both a GUI and CLI version ...

I don't see it in the repos... I'll google for a .deb version, if one
exists, Thanx, Ric


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"There are two Great Sins in the world...
..the Sin of Ignorance, and the Sin of Stupidity.
Only the former may be overcome." R.I.P. Dad.
Linux user# 44256


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> I don't see it in the repos... I'll google for a .deb version, if one
> exists, Thanx, Ric

It exists...

<http://handbrake.fr/downloads.php>

Chris


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On Wed, Sep 15, 2010 at 10:38 PM, Rashkae <ubuntu@tigershaunt.com> wrote:
> Marcelo Magno T. Sales wrote:
>> Hello,
>>
>> When I was running Karmic, I would encode a video to x264 running ffmpeg
>> as follows:
>> ffmpeg -i inputfile.ext -vcodec libx264 -acodec libfaac -sameq -s
>> 854x480 -aspect 1.78 outputfile.mp4
>>
>> It used to work great. However, when I use this very same command line
>> in lucid, I get this error message:
>>
>> [libx264 @ 0xc28200]broken ffmpeg default settings detected
>> [libx264 @ 0xc28200]use an encoding preset (vpre)
>> Error while opening codec for output stream #0.0 - maybe incorrect
>> parameters such as bit_rate, rate, width or height
>>
>> I found some preset files in /usr/share/ffmpeg. If I use one of them
>> with the -vpre switch, ffmpeg runs without complaining, but with none of
>> these preset files I get results comparable with what I was used to in
>> Karmic. For example, if I run ffmpeg with -vpre default, I get a very
>> tiny file with horrible quality. If I use -vpre lossless_slower, I get a
>> file with good quality, but with a size 7 to 10 times the original (in
>> Karmic, I would get a file smaller than the original). And so on.
>> I've read some ffmpeg encoding tutorials, but so far I'm still unable to
>> generate video files with acceptable quality and sizes.
>>
>> Any suggestions?
>>
>> Thanks,
>>
>> Marcelo
>>
>
> Get handbrake.. unless you're *really* married to the idea of wrestling
> with ffmpeg directly.
>

You've just earned Brownie Points! Handbrake is the best open-source
video conversion software out there. I don't know most of its
features yet, and haven't had a need to deinterlace or deblock video,
but a friend of mine is using the Mac version to digitally convert his
entire Star Trek collection into iTunes video format and he has to use
several of Handbrake's filtering features.

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of morality by religion." ~ Arthur C. Clarke
"The suppression of uncomfortable ideas may be common in religion and
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for it in the endeavor of science. " ~ Carl Sagan

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On Thu, Sep 16, 2010 at 2:00 PM, Marcelo Magno T. Sales
<mmtsales@gmail.com> wrote:
> Thanks for your suggestion. However, I need a tool that allows me to do
> batch conversions, because I have dozens of videos that I need to
> convert to x264.
>

Handbrake's GUI version has a queue for batch conversions to x264 and
Matroska format. I wonder if a future release will also support WebM.

--
Michael "TheZorch" Haney
"The greatest tragedy in mankind's entire history may be the hijacking
of morality by religion." ~ Arthur C. Clarke
"The suppression of uncomfortable ideas may be common in religion and
politics, but it is not the path to knowledge, and there is no place
for it in the endeavor of science. " ~ Carl Sagan

Visit My Site:* http://sites.google.com/site/thezorch/home-1
To Contact Me:
http://sites.google.com/site/thezorch/home-1/zorch-central---contacts

Free Your PC from the Bondage of Windows http://www.ubuntu.com

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Please, look how to install last ffmpeg withe x264 support here:Â*
http://rob.opendot.cl/index.php/useful-stuff/ffmpeg-x264-encoding-guide/

and here:Â*
http://ubuntuforums.org/showthread.php?t=786095

it's very easy))

On Thu, Sep 16, 2010 at 3:45 AM, Marcelo Magno T. Sales <mmtsales@gmail.com> wrote:

Hello,



When I was running Karmic, I would encode a video to x264 running ffmpeg

as follows:

ffmpeg -i inputfile.ext -vcodec libx264 -acodec libfaac -sameq -s

854x480 -aspect 1.78 outputfile.mp4



It used to work great. However, when I use this very same command line

in lucid, I get this error message:



[libx264 @ 0xc28200]broken ffmpeg default settings detected

[libx264 @ 0xc28200]use an encoding preset (vpre)

Error while opening codec for output stream #0.0 - maybe incorrect

parameters such as bit_rate, rate, width or height



I found some preset files in /usr/share/ffmpeg. If I use one of them

with the -vpre switch, ffmpeg runs without complaining, but with none of

these preset files I get results comparable with what I was used to in

Karmic. For example, if I run ffmpeg with -vpre default, I get a very

tiny file with horrible quality. If I use -vpre lossless_slower, I get a

file with good quality, but with a size 7 to 10 times the original (in

Karmic, I would get a file smaller than the original). And so on.

I've read some ffmpeg encoding tutorials, but so far I'm still unable to

generate video files with acceptable quality and sizes.



Any suggestions?



Thanks,



Marcelo



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Код - �то по�зи�!
www.linuxspace.org


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On Thu, 2010-09-16 at 22:21 +0100, Chris Jones wrote:
> > I don't see it in the repos... I'll google for a .deb version, if one
> > exists, Thanx, Ric
>
> It exists...
>
> <http://handbrake.fr/downloads.php>

Thanks Chris, I had just found it. Took a bit to get the keys installed,
but now it's loading! Thanx, Ric


--
My father, Victor Moore (Vic) used to say:
"There are two Great Sins in the world...
..the Sin of Ignorance, and the Sin of Stupidity.
Only the former may be overcome." R.I.P. Dad.
Linux user# 44256


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Em quinta-feira 16 setembro 2010, Michael Haney escreveu:
> On Thu, Sep 16, 2010 at 2:00 PM, Marcelo Magno T. Sales
>
> <mmtsales@gmail.com> wrote:
> > Thanks for your suggestion. However, I need a tool that allows me
> > to do batch conversions, because I have dozens of videos that I
> > need to convert to x264.
>
> Handbrake's GUI version has a queue for batch conversions to x264 and
> Matroska format. I wonder if a future release will also support
> WebM.

Yes, I've just seen that! The command line utility seems to do the job
very well to.
Thanks to all who answered, handbrake is a great tool indeed.

[]'s
Marcelo

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