H264/MP4 Seek Problem - Page 2

sneaker_ger · 25th May 2011, 13:01

Quote:

Originally Posted by Cyberpro60

I have two small niggling questions though: When I recompile using FFMPEG and run the final output through MediaInfo there is no listing for "encoder settings" and therefore no way to determine if this file has open or closed GOPs. Can anybody explain this please?

It seems that your version of ffmpeg simply does not write the custom SEI with these infos (for whatever reason). It should work with the builds from here.
For some reason ffmpeg's preset medium seems to have open-gop "1" as default, though.

galinette69 · 26th November 2011, 10:53

Quote:

Originally Posted by sneaker_ger

But x264cli and most GUIs have open-gop disabled by default, so chances are this might not be the problem after all. (But look for yourself)

It seems that MeGUI presets are mostly with open GOP enabled, I just faced this issue and found the solution in this thread.

Etienne

NikoG · 23rd September 2015, 14:26

See discussion here for the final answer with x264 encode
http://forum.doom9.org/showthread.php?t=168123

Use the option 'stitchable' from x264

Thanks to this option, you can do several x264 encodes, mux into MP4, concatenate your MP4 and now final file is seekable.

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23rd September 2015, 14:26	#23 \| Link
NikoG Registered User Join Date: Oct 2006 Posts: 2	See discussion here for the final answer with x264 encode http://forum.doom9.org/showthread.php?t=168123 Use the option 'stitchable' from x264 Thanks to this option, you can do several x264 encodes, mux into MP4, concatenate your MP4 and now final file is seekable.