[MEncoder-users] AVI with more audio streams

[Duncan Webb]

Giacomo Comes wrote:
> On Tue, Oct 31, 2006 at 04:54:46PM +0100, Duncan Webb wrote:
>> SZABO Zsolt wrote:
>>> It is not clear for me from the docs: can mencoder create AVI file
>>> that is containing more than one audio stream? If yes how?
>> No it's a limitation of the AVI container.
> 
> Wrong. It is a limitation of mencoder. You can add more audio stream to an avi file
> with avimerge.

Well you learn something new everyday, Thought I should have added AFAIK :)

Duncan

> 
>> Matroska containers can, plus the can have chapters, subtitles and metadata.
>>
>>> E.g. I dumped two stream from a dvd:
>>> mplayer dvd://1 -aid 129 -dumpaudio -dumpfile audio_1.ac3
>>> mplayer dvd://1 -aid 131 -dumpaudio -dumpfile audio_2.ac3
>>>
>>> And what next? (mencoder dvd://1 -ovc lavc -lavcopts \
>>> vcodec=mpeg4:vbitrate=<etc.> -o dvd.avi ... ???)
>>>
>>> 2nd question: is the two-pass encoding always risky concerning the A/V
>>> desynchronization when not using the simple "-oac copy" option and one
>>> should always check the obtained video, or is there a "foolsafe" way if
>>> one wants to (re)encode the audio stream (e.g. with mp3lame)?
>>>
>>> What does it mean: "As long as MEncoder _sees_ the audio.."
>>> (in the paragraph starting with "You need to have Mencoder..." in
>>> http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-dvd-mpeg4.html#menc-feat-dvd-mpeg4-audio)
>>>
>>>
>>> TIA,
>>> sZs
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>>> MEncoder-users mailing list
>>> MEncoder-users at mplayerhq.hu
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>>>
>>
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>