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Author Topic: MKV reported width/height  (Read 2095 times)

Daydream

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MKV reported width/height
« on: May 17, 2009, 03:02:34 pm »

Well, for once this is not a thread about playing mkv. :) All is good in that department.

My problem is with width & height MC is reporting for mkv files with HD resolution. Dimensions, Width, Height, all not editable fields - have the wrong values.

The streams' details as shown in MediaInfo:

Code: [Select]
Video
ID                               : 1
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : High@L4.1
Format settings, CABAC           : Yes
Format settings, ReFrames        : 2 frames
Muxing mode                      : Container profile=Unknown@0.0
Codec ID                         : V_MPEG4/ISO/AVC
Duration                         : 2h 54mn
Width                            : 1 920 pixels
Height                           : 1 080 pixels
Display aspect ratio             : 16/9
Frame rate                       : 23.976 fps
Resolution                       : 24 bits
Colorimetry                      : 4:2:0
Scan type                        : Progressive
Title                            : The Da Vinci Code
Language                         : English

Audio
ID                               : 2
Format                           : FLAC
Format/Info                      : Free Lossless Audio Codec
Codec ID                         : A_FLAC
Duration                         : 2h 54mn
Bit rate mode                    : Variable
Channel(s)                       : 6 channels
Sampling rate                    : 48.0 KHz
Resolution                       : 16 bits
Title                            : The Da Vinci Code
Writing library                  : libFLAC 1.2.0 (UTC 2007-07-15)
Language                         : English

I don't do any crazy tagging in MKVMerge, the "Format specific options" is left to its defaults, which reads all the time "Display width/height: 1920 x 1080"

MC is showing Dimensions of 2048x1088, 2048x1080. For some files I see 1920x1088 (I know about the division by 16 rule and 8 pixels padding, but that doesn't seem to be the exact problem here).
Are these values computed by some kind of misleading math instead of being read from the mkv header?

Any suggestions where the problem lies? Thanks!

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)p(

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Re: MKV reported width/height
« Reply #1 on: May 17, 2009, 03:27:01 pm »

Indeed for 1080p 2048x and for 720p 1536x.
I am also curious how these values come about?

peter
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