[MPlayer-users] MPlayer-users Digest, Vol 53, Issue 21

[Ajith Karat]

Thanks for the response! I got those set of install instructions from
web.

Which is the best site for downloading all the latest working packages
for Mplayer?
Is there any bundle that will automatically guide for the complete
installation?  

Regards,
Ajith
 
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Subject: MPlayer-users Digest, Vol 53, Issue 21

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Today's Topics:

   1. Re: Installation of MPlayer (The Wanderer)
   2. Re: lavf Seg Fault (Corey Hickey)


----------------------------------------------------------------------

Message: 1
Date: Fri, 09 May 2008 07:00:00 -0400
From: The Wanderer <inverseparadox at comcast.net>
Subject: Re: [MPlayer-users] Installation of MPlayer
To: "MPlayer usage questions, feature requests,	bug reports"
	<mplayer-users at mplayerhq.hu>
Message-ID: <48242EB0.90504 at comcast.net>
Content-Type: text/plain; charset=UTF-8; format=flowed

Ajith Karat wrote:

> Hello,
> 
> Recently, I had installed Ubuntu ver 6.x on my home PC. Still I am
> facing difficulties in installation of MPlayer. I would like to know
> the perfect combination of MPlayer packages, preferably latest, so
> that I can download from a nearby internet caf? and install it on my
> home PC. (Again, I don't have a net connection at home right now.)

It is strongly recommended to *not* install MPlayer from a packaged
version, but to compile the source, preferably the latest development
source from SVN.

> Using the README from mplayerhq.hu [3] as a baseline, install the
codecs
> with the following commands.

I would guess that this line (and most of the following) is taken from a
set of install instructions you found somewhere. Where did you find
them?

> Time to compile MPlayer.  Issue these commands.
> 
>             $ tar -xjf MPlayer-1.0pre5.tar.bz2

There is no such thing as 'MPlayer 1.0pre5'. The most recent official
release, which was quite some time ago, had the version number 1.0rc2.
Where did you get these sources from?

>             $ cd MPlayer-1.0pre5
>             $ ./configure --enable-gui
> AJK: I am getting an error here saying that new version of gcc is 
> required to proceed further.

What is the error message?

> How the latest gcc will be downloaded? From which site?

If your distribution does not provide a sufficiently recent version of
GCC in a package (which I find unlikely for the case of Ubuntu), then
the obvious place to look for the sources would be on the official GCC
Website, gcc.gnu.org (which is also the first Google hit for "GCC").

> Finally, copy over the included conf files.
> 
>             $ sudo cp MPlayer-1.0pre5/etc/* /usr/local/etc/mplayer/

Any installation procedure that requires you to execute copy commands
manually as root is hardly something I would expect of a modern,
user-friendly distribution...

> Test your install by launching the graphical version of MPlayer.
> 
>             $ gmplayer
> AJK: I am not able to invoke GUI version of MPlayer:-(

If you did not succeed in compiling it, this is obviously no surprise.
(Do you mean that you actually continued to follow the instructions,
rather than stopping and looking for a solution, after you got an error
at the 'configure' step?)

-- 
    The Wanderer

    My usual .sig is on vacation while I adjust to my new computer


------------------------------

Message: 2
Date: Fri, 09 May 2008 15:25:07 -0700
From: Corey Hickey <bugfood-ml at fatooh.org>
Subject: Re: [MPlayer-users] lavf Seg Fault
To: "MPlayer usage questions, feature requests,	bug reports"
	<mplayer-users at mplayerhq.hu>
Message-ID: <4824CF43.60408 at fatooh.org>
Content-Type: text/plain; charset=ISO-8859-1

Pedro A. Aranda wrote:
> Larry Reznick <lreznick <at> idistream.com> writes:
> 
>>
>> Thanks, Corey. That patch is definitely the problem. Commenting that 
>> code section out is sufficient to get the muxing working again.
>>
>> It seems to me that this patch should be backed out until someone can

>> prove the correct way to setup data structures before the url_seek() 
>> call. As the patch indicates, the prior code didn't have this
segment. 
>> There must be some reason why opening requires a rewind, which is
what 
>> this seek appears to try to do.
>>
>> --Larry
>>
> 
> I agree that the patch has something to do, but when I try to
transcode to mp4
> with the command
> 
> mencoder -oac faac -faacopts br=128:mpeg=4:object=2:raw -ovc x264
-x264encopts \
> bitrate=1000:vbv_maxrate=1500:vbv_bufsize=2000:nocabac:level_idc=13:\
> global_header:interlaced -of lavf -lavfopts format=mp4 ../ladeux.m2p \
> -o ladeux.mp4

If there's still a problem, it would be nice if you would try to
simplify this command a little. Chances are that most of those options
are irrelevant to the segfault you're seeing. This would be nice to see:

$ mencoder -ovc x264 -x264encopts bitrate=1000 -nosound -of lavf \
../ladeux.m2p -o ladeux.mp4

...and if you still have a segfault, upload ladeux.m2p to
ftp://upload.mlayerhq.hu/ or a publicly-accessible server.

> after commenting out the code in avio.c it continues to segfault.

You did rebuild mplayer, right? Try `make clean && make` to be sure.

> After some
> debugging (without reverting that patch), I get lost. Anyhow here is a
log
> of my work with gdb (compiling with --enable-debug). I hope it helps
to
> debug this. Unfortunately, I'm too busy to chase this bug down myself
:(

All I see there is (I think) you running into the expected segfault
because of ffmpeg r13061. If there's still another problem, you'll need
to revert r13061 before finding it.

-Corey


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