[FFmpeg-user] Slow speed when sub-clipping .mxf

[Media Mouth]

> On Jun 21, 2023, at 12:57, Erik Dobberkau <erik.dobberkau at gmail.com> wrote:
> 
> Options generally apply to what follows, not what precedes. Putting the
>> seek time before the input spec seeks on the input, putting it after seeks
>> on the decoded stream.
>> 
> 
> Which is important when using pre-input seek with GOP codecs, as it will
> „snap“ to the next (IIRC) keyframe (I-frame), contrary to intra-frame-only
> codecs, where the correct seek time will also start reading exactly from
> the intended frame / time. YMMV.

Yeah, this much I thought I was achieving with the original "wrong code".
The fix is a really nice breakthrough.

Thanks again.