[FFmpeg-user] 4K Compression using x.265 issues

Carl Eugen Hoyos ceffmpeg at gmail.com
Sat Nov 17 00:20:58 EET 2018

2018-11-15 17:57 GMT+01:00, Kieran O Leary <kieran.o.leary at gmail.com>:
> On Thu, 15 Nov 2018, 16:53 Kieran O Leary <kieran.o.leary at gmail.com wrote:
>> On Thu, 15 Nov 2018, 16:36 Ron Barnes <rbarnes at njdevils.net wrote:

>>> I was able to compress the file from 80GB to 27GB but I'm still having
>>> major buffering issues.  Would the commands below be the same for an MP4
>>> output?  I have had better luck using MP4 instead of MKV.
>> You could replace the reserve_index_space 50k command with

> Meant to say -movflags +faststart

Or use qt-faststart from the tools directory if you have
already created the mov/mp4 file without faststart.

Carl Eugen

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