Re: I might have more than 1 install

On date Wednesday 2008-04-30 17:35:05 -0400, Jim Shupert encoded:
> 
> 
> Stefano Sabatini wrote:
> >   
> >> On Wed, Apr 30, 2008 at 2:51 PM, Jim Shupert <jshupert <at> pps-inc.com> wrote:
> >>
> >>     
> >>> how might one resolve a conflict between  this latest ffmpeg tree
> >>> sources and the prebuilt library coming from ubuntu package repository?
> >>>
> >>>       
> >> remove your ubuntu package ffmpeg libav* or anything related. But be
> >> careful, it may mean that any multimedia application embedded with ubuntu
> >> will disappear...
> >>     
> >
> > Or simply install the new ffmpeg into a dir different from /usr/local.
> > I'm used to use my $HOME, but you could install with --prefix=/opt or
> > ~/opt.
> >
> > Then you need to modify both your CFLAGS and LDFLAGS adding to the
> > them respectively -I$PREFIX/include and -L$PREFIX/lib, eventually also
> > $PKG_CONFIG_PATH, also you need to *export* them, so they will be
> > accessible to all processes/programs, ask more if this isn't clear to
> > you.
> >
> >   
> > by $HOME   do you mean /home

Cannot compile since last update - ENABLE_GSM_DEMUXER

Hi all,

I've got the latest code and now I cannot compile ffmpeg. It complains
about the ENABLE_GSM_DEMUXER being undeclared. Last time I compiled was
last week and that was fine.

My configure is:

--enable-gpl --enable-swscale --enable-w32threads --enable-memalign-hack
--disable-shared --enable-static --enable-avfilter

Compiling on MinGW.

Can someone please shed some light on how to fix this?

Thanks in advance,

   Dennis

Re: FFmpeg dependency question!

Shane Anello wrote:
> Im trying to get FFmpeg working on a server im using for a project I am currently working.
>
> uname -m = i686
> uname -r = 2.6.16.21-0.8-default
> uname -s = Linux
> uname -v = #1 Mon Jul 3 18:25:39 UTC 2006
>
> Now the standard C libraries for this server are only version 2.4 and I can't seem to find any updates.  They
possibly don't exist?
>
> So when I run ffmpeg I get ./ffmpeg/ffmpeg: /lib/libc.so.6: version `GLIBC_2.7' not found (required by ./ffmpeg/ffmpeg)
>
> Does anyone have any solutions I could try?  Is there possibly an old version of ffmpeg which doesn't have
this requirement?
>
> Thanks in advance!
>
> -Shane
>
>

Hi,
you need to build it on a machine with glibc 2.4 or lower for it to work 
on your glibc 2.4 server.

The other alternative is that you compile glibc 2.7 and install it 
yourself if you have root access to the server.

Re: FFmpeg dependency question!

On Wed, 30 Apr 2008 13:53:04 -0700 (PDT), Shane Anello
<shane_anello <at> yahoo.com> wrote:

> Does anyone have any solutions I could try?  Is there possibly an old
> version of ffmpeg which doesn't have this requirement?

Compile ffmpeg on the server where you're trying to run it.

--

-- 
G. Stewart - gstewart <at> lamproie.eu

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Re: FFmpeg dependency question!

JonY schrieb:
> Shane Anello wrote:
>   
>> So when I run ffmpeg I get ./ffmpeg/ffmpeg: /lib/libc.so.6: version `GLIBC_2.7' not found (required by ./ffmpeg/ffmpeg)
>>
>> Does anyone have any solutions I could try?  Is there possibly an old version of ffmpeg which doesn't have
this requirement?
>>     
> Hi,
> you need to build it on a machine with glibc 2.4 or lower for it to work 
> on your glibc 2.4 server.
>
> The other alternative is that you compile glibc 2.7 and install it 
> yourself if you have root access to the server.
>
>   

Hi,

I would recommend building a rpm from the ffmpeg source package on the 
machine where you're going to use it.

Updating glibc on a currently installed system can possibly break up things.

Regards,
Alex

--

-- 
Alex Strauss

Re: FFmpeg dependency question!

Something I forgot to mention.  For some reason I cannot build ffmpeg on the server I am using.  ./configure
works ok, but then the makefile seems to run in an infinite loop.  Ive left it run over night without finishing.

Ill try and find another machine with glibc 2.4 to compile it on and see if that works.  Thanks for the responses!

-Shane

Godwin Stewart <gstewart <at> lamproie.eu> wrote: On Wed, 30 Apr 2008 13:53:04 -0700 (PDT), Shane Anello
 wrote:

> Does anyone have any solutions I could try?  Is there possibly an old
> version of ffmpeg which doesn't have this requirement?

Compile ffmpeg on the server where you're trying to run it.

--

-- 
G. Stewart - gstewart <at> lamproie.eu
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[3gp @ 0x19a0d4]track 1: could not find tag for codec

Hi everyone,

I'm trying to convert a flash flv to 3gp but it failled with this message :

[3gp @ 0x19a0d4]track 1: could not find tag for codec
Could not write header for output file #0 (incorrect codec parameters ?)

I tryed several configurations and compilations (this one is the latest 
from SVN)
but without success.

The problem comes only with 3gp files cause this request works just fine :
ffmpeg -i vid.flv -s qcif -vcodec h263 -r 16 -ab 16 -acodec libmp3lame 
-ac 1 -ar 8000  output3.avi
and output a  working .avi file

any hint ?!

thanks

Brice Pissard
PeachNetwork - NewYork

here is the exact command :

ffmpeg -i vid.flv -s qcif -vcodec h263 -r 16 -ab 16 -acodec libmp3lame 
-ac 1 -ar 8000  output3.3gp
FFmpeg version SVN-r13024, Copyright (c) 2000-2008 Fabrice Bellard, et al.
  configuration: --enable-shared --enable-gpl --enable-liba52 
--enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libgsm 

bitrate and psnr

Hi...

Can anybody help me. I would like to know, how to set the bitrate for combining .png files to .mpg (mpeg2). I
know that, there is -b for setting the bit rate, but what is that means. Set the bitrate for I, P, B frames???
Another question is I used -psnr but too many psnr values and what is the meaning of each values? I used these
command to transfer .png files to .mpg file

ffmpeg -i rotate8%2d.png -b 100000 -psnr -vcodec mpeg2video rotate.mpg

Please help me. Tq for the response.

-nash-

resize images

hi, list

and hello by the way. i'm quite a newbie to the ffmpeg world and need it for a project. so 
far i had good results in using ffmpeg for the task of creating a movie out of 
webcamstills (multiple jpgs). also converting to quicktime files is a nice (but 
undocumented ?) feature.

only problem is: i can't figure out how to resize the movie to a desired size. the jpgs 
are 640x480 and this is what the output-movie dimension will be, no matter what i define 
with the -s argument. below is the command line i used. movie size should be 320x1240.

ffmpeg -r 5 -vcodec copy -i .\antarctis%%d.jpg -s 320x240 test.mov

btw: i'm on XP.

thanks for any help

oliver

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Mixing MP3

Hello,
(Sorry for my english, it´s not my native language)

I want to mix 2 mp3, like overlapping one sound with the other.

ffmpeg -i file1.mp3 -i file2.mp3 output.mp3

but the ffmpeg "encode" the first file, is there another way to do this? I
head about the '-map' parameter, but I get the same result (maybe I'm using
it the wrong way)

--

-- 
Acevedo Miguel Angel
Web Developer | www.webdriver.com.ar