[FFmpeg-user] (no subject)

[tim nicholson]

On 01/12/14 16:35, Guido Holz wrote:
> Thanks!
> 

Please do not top post, it makes following things harder.

> but is there any way to avoid that with ffmpeg?

Uae -ss wiith the same value as the original file start time

> What is the reason to get an export of Premiere with another starttime than
> zero?

I suspect its just convenient for Premiere to do it that way, maybe due
to where an I frame sits on the originsal material.


> 
> it's not always trivial to me :-)
> 
> thanks
> 
> 2014-12-01 8:49 GMT+01:00 tim nicholson <nichot20-at-yahoo.com at ffmpeg.org>:
> 
>> On 28/11/14 14:50, Guido Holz wrote:
>>> my problem is after exporting from Adobe Premiere and postwork with
>> ffmpeg
>>> I get more frames of each mp4-footage. I minimalized it to the following
>>> example:
>>>
>>> [...]
>>> :\> ffmpeg.exe -i before.mp4
>>> [...]
>>>   Duration: 00:02:00.00, start: 0.040000, bitrate: 70 kb/s
>>>  [..]
>>>  ffmpeg.exe -i after.mp4
>>> [..]
>>>   Duration: 00:02:00.04, start: 0.000000, bitrate: 17 kb/s
>>
>> It looks like your original file is  00:02:00.04 long, but has a start
>> marker 0.04 in to give the  00:02:00.00 viewed duration.
>>
>> ffmpeg ignores such markers and so has transcoded all the frames it found.
>>
>> --
>> Tim.
>> Key Fingerprint 38CF DB09 3ED0 F607 8B67 6CED 0C0B FC44 8B0B FC83
>> _______________________________________________
>> 


-- 
Tim.
Key Fingerprint 38CF DB09 3ED0 F607 8B67 6CED 0C0B FC44 8B0B FC83