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

[Ron Barnes]

Hi Kieran,

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.

Thanks, 
-Ron

-----Original Message-----
From: ffmpeg-user <ffmpeg-user-bounces at ffmpeg.org> On Behalf Of Kieran O Leary
Sent: Thursday, November 15, 2018 8:34 AM
To: FFmpeg user questions <ffmpeg-user at ffmpeg.org>
Subject: Re: [FFmpeg-user] 4K Compression using x.265 issues

I should have proof-read better. I have many typos in here, but the worse is my broken command where I said -ar 2 instead of -ac 2

Also I meant to say that I wasn't sure if downsampling will increase the volume levels, as I don't know enough about audio .

 So overall, your command would be something like (i haven't tested this):
ffmpeg -i "YDXJ0085.MP4" -c:v libx265 -preset medium -map 0 -reserve_index_space 50k -crf 22 -s 3840x2160 -b:v 10M -ac 2 -c:a aac -b:a 128k -metadata title="Juliana - Disney 8-12-2018"
Disney_Vac_1.mkv
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