[FFmpeg-user] seeking woes

Sean Darcy seandarcy2 at gmail.com
Mon Jun 2 18:11:17 CEST 2014


On 06/02/2014 11:37 AM, Nicolas George wrote:
> Le quartidi 14 prairial, an CCXXII, Carl Eugen Hoyos a écrit :
>> I suspect the sample contains a timestamp discontinuity
>> which makes seeking hard, you can use -skip_initial_bytes
>> (or dd) as a workaround.
>>
>> (I just realize that -skip_initial_bytes only allows you
>> to skip the first 2G....)
>>
>> And you can of course seek with:
>> $ ffmpeg -i input -ss 1:00:00 (which takes long)
>
> This is also my guess. Generally, seeking in MPEG-PS files can not work,
> this format is completely broken.
>
> As an alternate to your suggestion, which should work flawlessly, I can
> suggest to use the tools/dvd2concat script instead of concatenating the VOB
> files: it can bear a little testing and exposure.
>
> Regards,
>

Thanks for the suggestion. I'm almost finished a 2 pass on the vob, and 
I need a product in 2 hours, so I'll try dvd2concat another time. I'm 
glad you suggested it though, I'd never heard of it.

sean



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