Re: Setting the right parameters for Matroska Stereo 3D

  Thank you very much.

Joerg

Am 14.10.2010 20:53, schrieb Steve Lhomme:
> Leaving it as is should be fine as the input and output pixel width
> are the same.
>
> On Thu, Oct 14, 2010 at 8:53 PM, Jörg Knitter<[email protected]>  wrote:
>>   Hi Steve,
>>
>> thank you very much for your clarification.
>>
>> Concerning 2): I refer to the "aspect ratio" setting in MKVmerge GUI. Should
>> I leave this empty?
>> I just have checked the MKV specs and haven´t seen any aspect ratio
>> parameter, so now I really don´t understand the sense of this option - or is
>> this also a deprecated field?
>>
>> With kind regards
>>
>> Joerg
>>
>> Am 14.10.2010 20:30, schrieb Steve Lhomme:
>>> 1: Yes you can use the StereoMode field with the value 1. It's an
>>> integer and mkvmerge probably doesn't check the value is in a valid
>>> range.
>>>
>>> 2: The aspect ratio is defined by the ratio the
>>> DisplayWidth/DisplayHeight. And the way to tell the geometry of the
>>> side-by-side videos is using the same fields. So you don't have to
>>> worry about the aspect ratio. It is what you put in the
>>> DisplayWidth/DisplayHeight
>>>
>>> 3: It's likely your pixel size is 1920x1080, each side being 960x1080.
>>> But the output should also be 1920x1080 (horizontal stretching). So
>>> you should use 1920x1080 for the PixelWidth/PixelHeight and
>>> DisplayWidth/DisplayHeight as well. The fact that the video is marked
>>> as side-by-side means the decoding system has to cut the 1920x1080
>>> picture in 2 at the middle.
>>>
>>> Steve
>>>
>>> On Thu, Oct 14, 2010 at 1:57 AM, Jörg Knitter<[email protected]>
>>>   wrote:
>>>>   Hi,
>>>>
>>>> I want to make a 3D-side-by-side MKV that corresponds to the latest
>>>> Matroska
>>>> standardisation. But I have several questions, and I want to make sure
>>>> that
>>>> everything is set right:
>>>> 1) Can I use the "old" StereoMode field with mkvmerge GUI and simply set
>>>> it
>>>> to "1" for "side-by-side; left video first" which corresponds to the
>>>> "old"
>>>> "left-eye" setting? If I read correctly, you first wanted to abandon the
>>>> "StereoMode field" and now even improved it with the new options which
>>>> unfortunately do not fit to the old ones...
>>>> Or do I really have to wait for the new releases?
>>>> 2) If the source video is full hd and side-by-side so that the picture of
>>>> every eye gets only the half horizontal resolution (like 3D TV), does the
>>>> aspect ratio still have to be 16:9?
>>>> 3) What display size do I have to enter? The final display size
>>>> (1920x1080)
>>>> or the size of the image that has to be displayed for every eye and
>>>> scaled
>>>> by the player, in this case 960x1080?
>>>>
>>>> With kind regards
>>>>
>>>> Joerg Knitter
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