Search found 5 matches

by UTAVATU
Mon Feb 27, 2017 2:15 pm
Forum: FFmpeg Examples
Topic: Nvenc_hevc - getting the best out of it
Replies: 1
Views: 4522

Re: Nvenc_hevc - getting the best out of it

Dear Friends I would like to use encoder hevc_nvenc with my H.264 Blu-Ray movie collection and I have been searching for answers too and... Variant A: ffmpeg -hide_banner -i input -c:v hevc_nvenc -preset hq -rc constqp -global_quality 21 -c:a libfdk_aac -ar:a 48000 -channel_layout:a 5.1 -ab:a 640k o...
by UTAVATU
Sun Feb 19, 2017 7:50 pm
Forum: Off Topic
Topic: Libx265 with CRF 12 UF vs CRF 14 M
Replies: 0
Views: 3506

Libx265 with CRF 12 UF vs CRF 14 M

Dear Friends I would like to know, which settings will give better quality? Libx265 with CRF 12 and ultrafast preset or CRF 14 and medium preset. I don't why, but while using Libx265 presets give other results then in Libx264. Ultrafast will generate smaller file than medium preset, but video bitrat...
by UTAVATU
Fri Feb 17, 2017 10:31 pm
Forum: Developement with FFmpeg
Topic: MVC (3D) .mkv and libx265
Replies: 0
Views: 1612

MVC (3D) .mkv and libx265

Dear Friends I have .mkv copy of my Blu-Ray collection (2D and 3D). I have used MakeMKV software to create copy of them. Some of them are created from Blu-Ray 3D (MVC). I would like to ask, if there are any possibilities to use FFmpeg libx265 to change from x264 MVC to x265 MVC? I have already used ...
by UTAVATU
Tue Feb 14, 2017 10:05 am
Forum: Developement with FFmpeg
Topic: GTX 1070 and cuvid with nvenc
Replies: 0
Views: 1717

GTX 1070 and cuvid with nvenc

Dear Friends I own GTX 1070 and i5-4690K and I would like to accomplish all my .mkv x264 to .mkv x265 without visible quality loss, but with smaller file size. When I use -libx265 with -crf 12 -preset ultrafast it took c.a. 01:02:15 for movie duration 01:18:35. I would like to use power of my GTX 10...
by UTAVATU
Tue Feb 14, 2017 8:43 am
Forum: Usage
Topic: FFmpeg 3.2.2 x64 - libx265 and preset bug
Replies: 0
Views: 1026

FFmpeg 3.2.2 x64 - libx265 and preset bug

Dear Friends I have downloaded FFmpeg 3.2.2 x64 and I have used it on my lossless .mkv file (source Blu-Ray): ID 0: video (MPEG-4p10/AVC/h.264) ID 1: audio (DTS-HD Master Audio) File Size: 11,7GB Duration: 01:18:34 I have used command: ffmpeg -i input.mkv -c:v libx265 -preset ultrafast -crf 12 -c:a ...
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