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Avidemux Wiki / Re: Author Topic: Avidemux instructions for "dummies"
« Last post by eumagga0x2a on May 17, 2018, 02:24:55 PM »
This is the natural gap between those who know the subject and don't understand beginners and beginners who know their needs but don't understand the subject. I hope that beginners with sufficient ambition will feed a search engine of their choice with terms they don't know yet (and in this way turn into advanced users). Ideed, Wiki hasn't got much attention since ages and the outlook is steadily grim.
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Main version 2.6 / Re: Converting to MKV and screen fit
« Last post by eumagga0x2a on May 17, 2018, 02:13:04 PM »
I tried the pixel width in the mkv muxer settings (set to 720) with "force" enabled and disabled, but there is no difference.

720 is wrong. Either 768 for standard 4:3 display aspect ratio or 1024 for widescreen.

i entered the ratio manually. Its a bit better now but there a still black bars around the video.
Im using vlc and the included player from cinnamon and both showing the same.

Probably a graphics card driver issue resulting in 2D acceleration completely missing e.g. like in an VM installation.
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Main version 2.6 / Re: Converting to MKV and screen fit
« Last post by bitboy on May 17, 2018, 01:59:02 PM »
i entered the ratio manually. Its a bit better now but there a still black bars around the video.
Im using vlc and the included player from cinnamon and both showing the same.
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Main version 2.6 / Re: Converting to MKV and screen fit
« Last post by AQUAR on May 17, 2018, 12:53:11 PM »
Probably your media player isn't taking any notice of the MKV metadata.

You could recode with the resize filter (that is doing the rescaling in Avidemux!).
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Main version 2.6 / Re: Converting to MKV and screen fit
« Last post by bitboy on May 17, 2018, 11:50:50 AM »
I tried the pixel width in the mkv muxer settings (set to 720) with "force" enabled and disabled, but there is no difference.
I will try with video codec setting -> IDC / SAR -> Custom setting.
Why is "Same as input" greyed out?
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Main version 2.6 / Re: Converting to MKV and screen fit
« Last post by AQUAR on May 17, 2018, 11:24:25 AM »
I would think the Player/Monitor/TV combination is just displaying 720 by 576 square pixels, hence the black borders.
You need to pass on information (metadata) for pixel aspect ratio or display aspect for scaling to take place along the processing chain.
This info also needs to match the "type" of video that was recorded (might be anamorphic or 4:3 material!).

There is a configuration option in the MKV muxer to set the display width in pixels.
This might be all you need to set to get the video to scale to full screen.   
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Main version 2.6 / Re: Converting to MKV and screen fit
« Last post by eumagga0x2a on May 17, 2018, 11:11:18 AM »
Use the "force display width" option of the MKV muxer to set the display aspect ratio of anamorphic video correctly (768 for 4:3 or 1024 for 16:9). If the video is still not upscaled by the video player you are using, it is a problem with your player and/or display driver, not with Avidemux.

In any case, please use an Avidemux build generated from the current git master, not the outdated 2.7.0 release.
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Main version 2.6 / Converting to MKV and screen fit
« Last post by bitboy on May 17, 2018, 10:50:50 AM »
I am using avidemux 2.7.0 on a LinuxMint 18.3 Cinnamon machine.

I have a TV recording with 720x576 pixels. I cut out the advertisements and tried to create a .mkv file.
If i open the file its playing fine but the size seems to be fixed to 720x576, it is not scaled up to fit the screen size. So the video has large black bars around it.

is there anoption to fix it?
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Avidemux Wiki / Author Topic: Avidemux instructions for "dummies"
« Last post by oshihari on May 17, 2018, 07:59:54 AM »
I'm absolutely new to video editing (including lossless trimming) & Avidemux too. I found the understanding of the basics and principles obviously hard and really got the impression that the help tutorials for Avidemux were geared towards those who at least knew something about the subject already , & I especially found the concepts of things like container formats, codecs, how and why certain formats can be exchanged & repackaged (and why some can't) quite hard to realise and understand. I'm thinking that it would of been great to have had a help section just for absolute beginners who know nothing about it all, with the basic essential concepts explained, and written in a way that an absolute beginner can understand. It would be a shame if absolute beginners were put off by how complex it can seem at 1st and never got to realise how great & powerful this piece of software really is.
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Main version 2.6 / Re: VOB resizing and compression
« Last post by eumagga0x2a on May 15, 2018, 03:54:18 PM »
You can keep the video anamorphic with MP4 (just use a current nightly of Avidemux) unless you have to use a crap of a video player.
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