[MPlayer-users] Transcoding video with mencoder, audio becomes asynchronous

[Ovidio Pirvu]

2011/9/23 Ron Johnson <ron.l.johnson at cox.net>

> On 09/23/2011 04:01 AM, Louis Tim Larsen wrote:
>
>> At 23-09-2011 00:59, Ron Johnson wrote:
>>
>>> On 09/22/2011 01:03 PM, Louis Tim Larsen wrote:
>>>
>>>> Den 20-09-2011 20:19, Roger Pack skrev:
>>>>
>>>>> I try to transcode some video with this command (to change the start
>>>>>> time):
>>>>>> mencoder input.avi -o output.avi -ovc lavc -oac copy
>>>>>> -force-avi-aspect 16:9
>>>>>> -ss 0:02:00
>>>>>> But the audio of output.avi becomes asynchronous. It's like it's going
>>>>>> faster and faster a little by little and the last part of the clip
>>>>>> has no
>>>>>> audio at all.
>>>>>>
>>>>> what about without lavc ?
>>>>>
>>>>>  With -ovc copy instead of -ovc lavc I still get the same error.
>>>>
>>>>
>>> What if you use HandBrakeCLI or ffmpeg?
>>>
>>>  I only get the error when I use Mencoder with the -ss and/or the -endpos
>> option.
>> Like this command: mencoder input.avi -o output.avi -ovc copy -oac copy
>> -force-avi-aspect 16:9 -ss 0:02:00
>> And it's only the the versions in Ubuntu 11.10 x86_64 and the current
>> Debian testing x86_64 (running on to different
>> machines.(1.0~rc4.dfsg1+**svn33713-1 and 1.0~rc4.dfsg1+svn33713-2)
>> But in Ubuntu 11.04 x86_64 with 1.0~rc4.dfsg1-1ubuntu3 I didn't got this
>> error.
>>
>>
> https://launchpad.net/~**motumedia/+archive/mplayer-**daily<https://launchpad.net/%7Emotumedia/+archive/mplayer-daily>
>
> This (ppa:motumedia/mplayer-daily) generates daily an up-to-date mplayer
> and mencoder installable by apt.  I strongly urge you to use it.
>
>  I've tried with different input source and got the same problem, so it's
>> not the source.
>> And I've no problems using HandBrake, except it's difficult to change
>> start/end time.
>>
>
> It's a bit obtuse...  :)
>
> HandBrakeCLI -blah -blah --start-at duration:120
>
> Anyway, it only outputs to m4v and mkv.
>
> --
> Supporting World Peace Through Nuclear Pacification
>


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have you tried with -ovc pcm?