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

[Ovidio Pirvu]

2011/9/23 Ovidio Pirvu <obvi84 at gmail.com>

>
>
> 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?
>
>
>
oops, sorry. I was meaning to say -oac pcm