[MEncoder-users] mkv to hard sub avi to m4v command line options and sync problems

[v4r4n]

As far as what I want to achieve, I tried to keep the question simple, but
I'm re-encoding a bunch of .mkv files to .m4v files for better iPod/PS3
compatibility.

This container format requires that I pick a single audio track and 'bake'
permanent subtitles into the video frame.  It would be nice if I could keep
the video/audio/subtitles all in sync with each other.

I find it easiest to use mencoder to breakdown the .mkv files into simple
elements, put them back the way I want them, and re-encode the raw .avi into
an .m4v using Handbrake settings profiles.

There are methods of real-time transcoding, etc., but I find that they're
currently too buggy and fragile.  I'd rather do the calculations once and
play media locally.

On Wed, Jan 13, 2010 at 12:57 AM, belcampo <belcampo at zonnet.nl> wrote:

> v4r4n wrote:
>
>> I've been having trouble finding out how to properly re-encode an mkv file
>> with multiple audio tracks and subtitles.
>>
>> $> mkvmerge -i <filename>.mkv
>>
>> give me this information:
>>
>> File '<filename>.mkv': container: Matroska
>> Track ID 1: video (V_MS/VFW/FOURCC, DX50)
>> Track ID 2: audio (A_AAC/MPEG4/LC/SBR)
>> Track ID 3: audio (A_AAC/MPEG4/LC/SBR)
>> Track ID 4: subtitles (S_TEXT/UTF8)
>> Track ID 5: subtitles (S_VOBSUB)
>> Track ID 6: subtitles (S_VOBSUB)
>>
>> $> mkvextract tracks <filename>.mkv 1:video.avi 2:audio.aac
>> 4:subtitles.srt
>>
>> gives me the streams of data I'd like to combine into a single .avi or
>> .m4v
>> file.  The problem is when I try to do something like this:
>>
>> $> mencoder -ovc copy -faac -oac -audiofile audio.aac -o test.avi
>>
>> The audio no longer matches the video?
>>
> What do you want to achieve ? What do you think the avi can do what the mkv
> file can't do ?
> You have a file where audio/video sync is OK. You even have subtitles. What
> more could one want ?
>
>>
>> What am I doing wrong?  How do I use mencoder to combine a divx video file
>> and acc audio file?  I thought this would be simple, but I can't find any
>> examples/tutorials that work.
>>
>> If this is the wrong place to ask for help, please point me in the right
>> direction.
>>
>> Thanks.
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>
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