Friday, February 5, 2016

Re: [LINUX_Newbies] ffmpeg I did mistake

 

On Fri, Feb 05, 2016 at 07:39:42PM +0100, 'highskywhy@yahoo.de' highskywhy@yahoo.de [LINUX_Newbies] wrote:
> Thank You.
>
> I ll add some questions:
>
> What the most easy way to create out of 100 pngs pictures a gif89, by Gimp?
> How to convert a gif89 to avi or wmv and how create a gif89 out of a wmv
> file?
>

> Regards Thank You. Lunch was delicious.

Glad you liked lunch. I haven't done much converting of gif to video and
vice versa but
http://superuser.com/questions/556029/how-do-i-convert-a-video-to-gif-using-ffmpeg-with-reasonable-quality
seems to have some answers. I have used it once or twice, especially with
one of the commands in that thread.
ffmpeg -i input -vf scale=320:-1 -r 10 -f image2pipe -vcodec ppm - |
convert -delay 5 -loop 0 - output.gif
>

--
Scott Robbins
PGP keyID EB3467D6
( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
gpg --keyserver pgp.mit.edu --recv-keys EB3467D6

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Re: [LINUX_Newbies] how to learn to convert a video HELP from Scott inside Videofiles II

 

On Fri, Feb 05, 2016 at 07:34:54PM +0100, 'highskywhy@yahoo.de' highskywhy@yahoo.de [LINUX_Newbies] wrote:
> >
> > Yes, you'd mentioned that last week.
>
> How is this avi called?
> Can I make the picture more small?
>

Yes, you can try using -s as in size. That one shows as 720x576 so you can
experiment with what size works for you. To make it half size would be

--
Scott Robbins
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( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
gpg --keyserver pgp.mit.edu --recv-keys EB3467D6

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Re: [LINUX_Newbies] ffmpeg I did mistake II try

 

Good afternoon

> >
> > good morning
> > I tried again.
> >
> > Mi Jan 27 20:16:11 2016
> >
> >
> > /usr/bin/ffmpeg -i $VID_FILE
>
> Well, as that's not the command I suggested, perhaps you should ask
whoever
> gave that version.
I did a mistake.
I m sorry.

>
> Firstly, it looks like you're running a script, which could change
things.
> Take one file. Use its name.
>
> If it is called my file.mpg use this command
>
> ffmpeg -i myfile.mpg -vcodec msmpeg4v2 -acodec wmav2 newfile.avi
>
> If you don't type exactly those commands, don't bother posting what
> happened.
> No scripts, no Handbrake. If someone is giving you those commands,
you are
> better off asking them.
>
> Make sure the file doesn't start with a $. Have it start with a letter or
> number NOTHING else.
>
> I repeat. the command is
>
> ffmpeg -i myfile.mpg (using the file name) -vcodec msmpeg4v2 -acodec
wmav2
> newfile.avi

I ll try.
Im sorry.

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Re: [LINUX_Newbies] more questions about videos thank You to Scott

 



Good afternoon.

> > > > Questions:
> > > > > Stream #0:0: Video: h264 (High) (H264 / 0x34363248), yuv420p,
> 720x576
> > > >
> > > > Is this the most important line for my problem?
> > >
> > > Yes, that is referring to the codec of the video. (In this case,
x264)
> > *
> > OK
> > so
> > can I do those things:
> >
> > Stream #0:0: Video: h264 (High) (H264 / 0x34363248), yuv420p, 720x576
> > Make the quality of every picture worse by reduce the size of picture?
> >
> > Is it possible to split every ṕicture of a video.
> >
> > Example
> >
> >
> > 11111
> > 22222
> > 33333
> > 44444
> >
> >
> >
> >
> > You can see this picture during 2 minutes video.
> >
> > can ffmpeg do that?
>
> Yes.
> If you want the first two minutes of the video
>
> ffmpeg -i myvideo.avi -t 120 1111.avi
>
> The -t is for time, usually in seconds. (So if you want two minutes, use
> 120.)
>
> Then if you want the next two minutes
>
> ffmpeg -ss 121 myvideo.avi -t 120 2222.avi
*
Thank You. So it is very easy to manipulate movies with ffmpeg.

>
> The -ss is to seek position. It is not exact, but it should be close
> enough for your purpose. It should be before the -i <video-name>
> otherwise, it takes a much longer time.
>
> >
> > or can
> > split ffmpeg
> >
> >
> > 11
> > 22
> > 33
> > 44
> > 55
> >
> I'm not sure what you mean by this.

**

Imagine a picture with two humans.

Now I wanna make two pictures with one human.

>
> >
> > and can I make with ffmpeg out of a 2 minutes video an one hour video
> > by making copy paste 59 times like a time loop?
>
> I've never looked into that. You can make a repeating gif easily enough.
*
OK

> >
> ffmpeg -i input -vf scale=320:-1 -r 10 -f image2pipe -vcodec ppm - |
> convert -delay 5 -loop 0 - output.gif
>
> Which might be easier. Otherwise, I'd probably use a different command.
> My page talks about combining videos into one. The easiest thing to
use is
> mkvtoolnix and use mkvmerge -o myfile file1 + file2 + file3.

*
OK

>
> >
> > I can convert a pic from 300 dpi to 100dpi
> > and can I convert a video to any size or are there some sizes only
> possible?
> >
> There are probably some sizes that wouldn't work, I don't know them by
> heart. :)

*
OK
>
> >
> > Question:
> > Here is a video a.avi with 1 GB
> > now I reduce the size of the picture to 25% and same avi-container.
> >
> > Is now the space for the file 250 MB or less and the sound is the
same?
> >
> > Regards Sophie
>
> Sound would probably be the same, assuming you copy the audio. Do you
mean
> reduce it so it's 25 percent smaller or reduce it 75 percent so that it's
> only 256 MB total size? You will probably lose a lot of quality.
> >

Start is 1 GB
Result is 250 MB.

Question: Where can I find
what size is possible to create a movie or a picture of the movie?

Regards Sophie

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Posted by: "highskywhy@yahoo.de" <highskywhy@yahoo.de>
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Re: [LINUX_Newbies] ffmpeg I did mistake

 

Thank You.

I ll add some questions:

What the most easy way to create out of 100 pngs pictures a gif89, by Gimp?
How to convert a gif89 to avi or wmv and how create a gif89 out of a wmv
file?

Regards Thank You. Lunch was delicious.

Am 22.01.2016 um 13:38 schrieb Scott scottro@nyc.rr.com [LINUX_Newbies]:
> On Fri, Jan 22, 2016 at 01:31:41PM +0100, 'highskywhy@yahoo.de'
> highskywhy@yahoo.de [LINUX_Newbies] wrote:
> > I ll check it, lunch arrived. Thank You. sophie
>
> Enjoy your lunch! :)

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Posted by: "highskywhy@yahoo.de" <highskywhy@yahoo.de>
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Re: [LINUX_Newbies] not important problem we are just interested: time date

 

Would the empty battery create more Problems? Regards Sophie

>
> > Am 12.01.2016 um 15:23 schrieb Hal halinux@frontier.com [LINUX_Newbies]:
> > >
> > > We routinely run the following on all machines, from the command line:
> > >
> > > 'netdate tcp 158.152.1.76'
> > >
> > > That site is in the UK; ntp.demon.co.uk, but I'm sure there are
> many others
> > > in Germany and Europe..
> > >
> > > That corrects the present session and can be written immediately to the
> > > hardware clock:
> > >
> > > 'hwclock -w'
>
> > Is this a check or a repair? Regards Sophie
> >
> They check the time and synchronize the computer's time. So, it isn't a
> complete repair, that is, it won't fix the underlying problem, but it will
> set the computer clock correctly.
> > >

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Re: [LINUX_Newbies] not important problem we are just interested: time date

 



> > how to check that. Yes the computer is very old. thank You.
> >
> The easiest way is to buy another one (they're inexpensive), put it
in the
> computer and see if the problem goes away. :)
>
> It's not complicated, but as it changes with all models of computers, you
> should try to find someone who knows a bit about computer hardware to
do it
> for you
*

Is there a damage
when I dont do anything against the empty battery?
Thank You.

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