[Matroska-users] Re: MKV File Problem (w/ MatroskaDiag log)
steve.lhomme at free.fr
Sun Jun 18 10:53:26 CEST 2006
Ivan Kowalenko wrote:
>> Codec : (V_MPEG4/ISO/AVC)
>> Language : English (eng)
>> Pixel Width : 704
>> Pixel Height : 396
>> Display Width : 16
>> Display Height : 9
> Another problem might be the set Display Width and Display Heights.
> They're currently set for 16 and 9, respectively. My guess is that the
> aspect ratio is 16:9, but those parameters shouldn't be set like that.
> So, at the moment, looks like the decoder (if it's respecting those two
> settings) is outputting to 16 pixels by 9 pixels. Remuxing the file with
> a proper display resolution might fix it, assuming the codec isn't your
> problem. I could be wrong, though.
While trying to extract some data from an ASF (DVR-MS) file using
Haali's muxer I noticed it sets the aspect ratio this way. Is that a bug
or a special feature ?
The specs say:
DisplayWidth 4 [B0] - - not 0 PixelWidth u-integer
Width of the video frames to display.
DisplayHeight 4 [BA] - - not 0 PixelHeight u-integer Height
of the video frames to display.
That's in pixel, it's not an aspect ratio.
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