[MEncoder-users] Neewbie question : need to resample avi file from 15fps to 25fps

[Grozdan]

On Mon, Jan 4, 2010 at 6:50 PM, 7willows <7willows at dsl.pipex.com> wrote:
> On 04/01/2010 17:02, Dave P wrote:
>>
>> On Mon, Jan 4, 2010 at 11:49, 7willows<7willows at dsl.pipex.com>  wrote:
>>
>>>
>>> On 04/01/2010 15:13, 7willows wrote:
>>>
>>>>
>>>> Hi,
>>>>
>>>>
>>>> I have twelve AVI files which were recorded at 640x480 @ 15fps recorded
>>>> on
>>>> my Nikon L20 camera which I want to add onto a DVD with AVI files from
>>>> my
>>>> Canon MV650 which records at 25fps.
>>>>
>>>> I have had a look through the MEncoder documentation but can not find
>>>> what
>>>> I need.
>>>>
>>>> Could you advise on the options required to resample the 640x480 @15fps
>>>> to
>>>> 640x480 @25fps ?
>>>>
>>>> TIA
>>>>
>>>>
>>>> _______________________________________________
>>>> MEncoder-users mailing list
>>>> MEncoder-users at mplayerhq.hu
>>>> https://lists.mplayerhq.hu/mailman/listinfo/mencoder-users
>>>>
>>>>
>>>
>>> Hi,
>>>
>>> Thanks for all the feedback, I tried the following and get the output
>>> below
>>>
>>>
>>> $ mencoder -fps 15 oldfile.avi -ofps 30 -o newfile.avi -vf harddup
>>> MEncoder UNKNOWN-4.4.1 (C) 2000-2009 MPlayer Team
>>> success: format 0 data 0x0 - 0x90000
>>> AVI file format detected.
>>> [aviheader] Video stream found, -vid 0
>>> [aviheader] Video stream found, -vid 1
>>> VIDEO: [MJPG] 640x480 24bpp 15.000 fps 4205.1 kbps (513.3 kbyte/s)
>>> [V] filefmt:3 fourcc:0x47504A4D size:640x480 fps:15.000 ftime=0.0667
>>> Input fps will be interpreted as 15.000 instead
>>>
>>> No audio encoder (-oac) selected. Select one (see -oac help) or use
>>> -nosound
>>>
>>> Exiting...
>>>
>>>
>>> Checking the file properties on with SMPlayer on Ubuntu 9.10, it reports
>>> the
>>> audio
>>> information as
>>> Format           85
>>> Bitrate          32kbps
>>> Rate             16000Hz
>>> Selected Codec   mp3
>>>
>>> When I have tried various options and managed only to create a new file
>>> but
>>> with no audio.
>>>
>>> Can you point me in the right direction
>>>
>>> TIA
>>>
>>>
>>>
>>> --
>>> Russell                           7willows at dsl.pipex.com
>>>
>>
>> You're almost there.  You need to specify which audio and video codecs
>> to use.  While you RTFM from top to bottom, you may notice others
>> things you might want to specify, such as audio and video bitrates,
>> audio sample rate, etc.
>> _______________________________________________
>> MEncoder-users mailing list
>> MEncoder-users at mplayerhq.hu
>> https://lists.mplayerhq.hu/mailman/listinfo/mencoder-users
>>
>>
>
>
> Hi,
>
> Finally sorted it out :-)
>
> $ mencoder -fps 15.000 -oac mp3lame -ovc raw oldfile.avi -ofps 30 -ovc raw
> -o new.avi

Why two times -ovc raw ?

>
>
>
> Is there a GUI interface to MEncoder?

There are some, but most of them are unmaintained. Look at MPlayer's
page http://www.mplayerhq.hu/design7/projects.html

>
>
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>