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

7willows 7willows at dsl.pipex.com
Mon Jan 4 18:50:10 CET 2010


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



Is there a GUI interface to MEncoder?




More information about the MEncoder-users mailing list