[Matroska-users] .mkv container

Ivan Kowalenko ivan.kowalenko at gmail.com
Sat Jan 10 01:39:48 CET 2009


I have absolutely no idea. You would have to contact the developers of the
CorePlayer and see if they have developed one.

On Fri, Jan 9, 2009 at 6:23 PM, fred <fred at nauticom.net> wrote:

>  *I never got anything except ticket is being closed. Yes I agree the
> support is bull shit too.*
>
> *I know mkv is a container that includes a vid format and an audio format.
> *
>
> * *
>
> *Ac-3 is the unsupported audio is there a codec*
>
> * *
>
> * *
>  ------------------------------
>
> *From:* Ivan Kowalenko [mailto:ivan.kowalenko at gmail.com]
> *Sent:* Friday, January 09, 2009 2:38 AM
> *To:* Questions, help, instructions, talk about Matroska;
> fred at nauticom.net
> *Subject:* Re: [Matroska-users] 3rd time writing
>
>
>
> I believe this has all been addressed before.
>
> fred wrote:
>
> Can't play .mkv on lifedrive and get sound and video?
>
> ---------- Forwarded message ----------
> From: Rolf Ernst <rolf.ernst at 24hourloop.com> <rolf.ernst at 24hourloop.com>
> Date: Tue, Nov 11, 2008 at 11:54 PM
> Subject: Re: [Matroska-users] coreplayer
> To: "Questions, help, instructions, talk about Matroska"
> <matroska-users at lists.matroska.org> <matroska-users at lists.matroska.org>
>
> What kind of codec is in the container? It may be the codec, not the
> container.
>
> Their advertising is B.S., pardon me. The web site confuses container and
> codec:
>
> Video Formats:
> H.264 (AVC), AVCHD, MKV, MPEG-1, MPEG-4 part 2 (ASP), DivX, XviD, WMV*,
> Theora*, Dirac*, MJPEG, MSVIDEO1
>
> MKV is not a video format.
>
>
> ---------- Forwarded message ----------
> From: Ivan Kowalenko <ivan.kowalenko at gmail.com> <ivan.kowalenko at gmail.com>
> Date: Wed, Nov 12, 2008 at 12:28 AM
> Subject: Re: [Matroska-users] coreplayer
> To: "Questions, help, instructions, talk about Matroska"
> <matroska-users at lists.matroska.org> <matroska-users at lists.matroska.org>
>
>
> 1). We are not involved in the development of the CorePlayer. This mailing
> list is solely about the Matroska container.
> 2). We do not know nearly enough information about the video to begin to
> figure out what's wrong.
>
> It's impossible to tell from the sparse information given whether the
> problem exists with the CorePlayer, the Matroska container, or the problem
> exists with the LifeDrive. Here's a list of (based on the information you
> have given us) possible causes to your problem (in many possible
> combinations):
>
> * Core is malfunctioning
> * The Matroska file has a malformed header
> * The Matroska file has a malformed index
> * The Matroska file contains video using a codec that Core is incapable of
> decoding
> * The Matroska file contains audio using a codec that Core is incapable of
> decoding
> * The Matroska file contains video that is damaged
> * The Matroska file contains audio that is damaged
> * The Matroska file contains video using a codec that requires more
> processing power than the LifeDrive is capable of delivering
> * The Matroska file contains audio using a codec that requires more
> processing power than the LifeDrive is capable of delivering
>
> Personally, my money is on either the codecs or the processing power.
> Matroska files have become something of a de facto standard for storing high
> quality audio and video, including high definition media. Let's face it, the
> LifeDrive wasn't a bad device, but it only had a 416 MHz ARM. I wouldn't
> honestly expect the processor to manage to decode 640x480 MPEG-4 ASP and 256
> KbPS VBR MP3 (which can be put inside a Matroska file) but I wouldn't be
> surprised to see 320x240 MPEG-4 with 128 KbPS CBR MP3 play back at about 20
> (give or take) FPS (which can also be stored in a Matroska file).
>
> Simply put, we don't make the Core player, we don't make the Matroska
> files. What we (well, some of us) make is the specification that defines
> what a Matroska file is. All we can really do is tell you where the fault
> exists. If the problem is with Core, you'll have to contact Core's
> developers. If the problem is with the LifeDrive, then there's not much you
> can do (outside of buying something other than a LifeDrive). If the problem
> is with the file, then you'll have to find another file.
>
> You could provide us with more information by running MKVDiag, which is a
> utility that should output a diagnostics report on the Matroska file, we can
> attempt to determine the likely source of your issue, and figure out why
> your video "WON"T PLAY!!!!"
>
> Thank you, and have a pleasant day.
>



-- 
----------------------------------------------------
Ivan Kowalenko
Rowan Television Network
Technical Manager
e: ivan.kowalenko at gmail.com
p: 612-670-1142
p: 856-270-6049
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