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

Erik Dobberkau erik.dobberkau at gmail.com
Wed Jun 21 22:57:30 EEST 2023

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.

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