mgns Video Transcoder

[levsch]

Hello.

I'm a developer of mgnsVideoTranscoder tool.
The tool has been published today.
It can be downloaded from sourceforge

The tool is created for encoding by AOM-AV1 (or x264) codec to target size with constant quality.

The tool also can do semi-automatic resolution selection.

I'm glad if it will be useful for you.

[StainlessS]

Seems a bit top heavy @ 775MB.
Why so big ?
Also, will x265 become supported ?

[levsch]

Originally Posted by StainlessS

Seems a bit top heavy @ 775MB.
Why so big ?

It contains bbb_sunflower_2160p_30fps_normal.mp4 (603 MiB) as input example.
mgnsVideoTranscoder pure code is 1,25 MiB

Originally Posted by StainlessS

Also, will x265 become supported ?

x265, support will be supported later if community will big enough. Currently I'm recommend use aom av1 instead.

x265,rav1e,SVTAV1,Xvid support have partial implementation and are disabled.

rav1e, SVTAV1 produce broken picture at some specific scenario and development was stopped until rav1e, SVTAV1 become mature.

Xvid is not supported because of good command-line encoder is absent.

[StainlessS]

Thanks for your answers.
Maybe could provide the example clip as external optional rather than compulsary inclusion.

[levsch]

v1.1.0 is released.

changelog:

fixed: deadlock
fixed: avc concatenation
speed up: encode restarting time was decreased after unexpected stop
speed up: avc encoding speed is improved by descreasing crf level step (current crf level steps: 0.1 for x264 and 1 for av1).
speed up: segmented encode: true middle+uniform encode order is used now.
new: showVersion.cmd fast util was added
changed: install documentation

[videoh]

Originally Posted by StainlessS

Maybe could provide the example clip as external optional rather than compulsary inclusion.

Right on, because after we have downloaded it once, we don't need to donwload it again for subsequent releases. Have some respect for your potential users.

[levsch]

Originally Posted by videoh

(...)Have some respect for your potential users.

I was thinking that you are working with video files that are large usually.
Therefore I made conclusion that big download size is very little inconvenience.

Thanks for feedback. I'll try to decrease that file size to 50 MiB.

[videoh]

That's great, thank you levsch.

[levsch]

mgnsVideoTranscoder v1.2.0 is released.

changelog:

* Error description on process creation failure is improved.
* AOM AV1 respects --lag-in-frames parameter for memory consumption detection.
* AOM AV1 encoder params are added: --lag-in-frames --enable-qm --enable-fwd-kf
* user friendly printing of display aspect ratio for media info getting.
* big example was changed by a small example (mgnsVideoTranscoder package size now is 128 MiB)

[levsch]

New version is released 2022-03-30 v1.3.0.

Changelog:

• documents are generated as html in "docs" folder
• mkvtoolnix was updated to 66.0.0
• aomenc: crash workaround at low --cq-level
• aomenc: "--enable-keyframe-filtering=2" support.
• presentation timestamps getting speed is improved for matroska file
• aomenc params are added: --aq-mode, --kf-max-dist, --kf-min-dist, --sb-size, --enable-keyframe-filtering, --arnr-strength, --arnr-maxframes, --enable-restoration, --deltaq-mode, --sharpness, --enable-dnl-denoising, --denoise-noise-level
• was updated to ffmpeg-5.0
• no more need to rename setLocalPaths.template.cmd
• isVideosEqual feature is uncovered

[levsch]

New version is released 2022-04-06 v1.4.0.

Changelog:

• aomenc: most of raw params are added.
• download mirrors were added.
• automatic keyframe interval is added (max 300 frames, or 10 seconds)
• encode chunk size is increased. minimum size is keyframe interval.
• hdr support: MasteringDisplayInfo and ContentLightLevelInfo were added
• fixed: 8K resolution unwanted disk IO was removed during encoder memory detection.
• fixed: pipes IO

[levsch]

New version is released 2022-04-08 v1.4.1.

Changelog:

• ffmpeg was updated to ffmpeg-5.0.1
• broken download links were fixed

[levsch]

New version is released
(2022-09-24) [v1.5.0]

* aomenc was updated to v3.4.0
* vmaf was updated to 2.3.1
* ffmpeg was updated to 5.1.1
* x264 was updated to r3098
* documentation minor fixes
* error handling is improved
* codec name AOM_AV1 was changed to aom_Av1
* codec name AVCEncoder was changed to avc_x264