thanks John.... the first of my newsletters in this new series, "About
Codecs - Part 1 of ??", is going out in an hour. It'll commit me to the
learning and additional parts of the series.
--
website references are to www.papajohn.org

PapaJohn


"John Hanley" <jphanley@ix.netcom.com> wrote in message
news:OlOflmTZIHA.1184@TK2MSFTNGP04.phx.gbl...
> There is a little bit of progress to report -- I downloaded ffdshow
> tryouts;
> at least the subject files now play in Windows Media Player. Not yet in
> Windows Media Center, not yet in Windows Movie Maker.
>
> GSpot showed that ffdshowtryouts added six codecs (4 video & 2 audio) and
> went from 233 codecs to 239 codecs.
>
> PJ -- applaud your theme to demystify codecs!
>
>
> "PapaJohn" <papajohn@chartermi.net> wrote in message
> news:%23we2h1IZIHA.4476@TK2MSFTNGP06.phx.gbl...
>> John,
>>
>> Working backwards, I see...
>>
>> ffdshow.ax is used as the default decompressor on my Vista Home Basic
>> laptop when playing Motion JPEG files from my Canon SureShot SD750
>> camera.
>>
>> I had added ffdshow to that computer to play Xvid files. When I take it
>> out of the picture, the file is decompressed by pvmjpeg30.dll (PIC Video
>> Decompressor)... I don't know where it came from as it's not on my Vista
>> Ultimate system or on my XP laptop.
>>
>> If I then take that out of the picture also, when I try to open the
>> Motion
>> JPEG file in WMP or MM6... for some reason Pinnacle's Video Spin starts
>> going through a setup process. Maybe that's a clue that it brought
>> pvmjpeg30.dll in when I installed it.
>>
>> As I haven't installed Video Spin or hardly anything else on my Vista
>> Ultimate SP1 beta system, the MJPEG file still plays in WMP and MM6...
>> with no WMP pointer to the video decompressor being used. GSpot's checks
>> and tests indicates it's quartz.dll doing the decompression.
>>
>> Codecs need more understanding by average users... I've made it my theme
>> for this year to study them and provide practical info.
>> --
>> website references are to www.papajohn.org
>>
>> PapaJohn
>>
>>
>> "John Hanley" <jphanley@ix.netcom.com> wrote in message
>> news:OjtqvwHZIHA.1532@TK2MSFTNGP04.phx.gbl...
>>> Zach -- The URL that Web Help takes me to is:
>>> http://www.microsoft.com/windows/win...nalid=80004005
>>>
>>> PapaJohn -- the pvmjpeg30.dll file is not in my System32 folder or
>>> elsewhere
>>> on my hard drive. I googled a bit for it and there are references to
>>> 'pvmjpg30.dll' (without the e), but that is not on my hard drive either.
>>> The main reference is to a site for
>>> Pegasus Imaging and they call it PICVIDEO and they want $39 to download
>>> it.
>>> Are you thinking it is something that should have come with WMP
>>> Microsoft?
>>>
>>> "PapaJohn" <papajohn@chartermi.net> wrote in message
>>> news:OcS%23ZyGZIHA.4284@TK2MSFTNGP03.phx.gbl...
>>>>I agree that a fix is better than a work-around... if I take my ffdshow
>>>>codec out of the picture, MJPEG files still play.
>>>>
>>>> WMP plays them with pvmjpeg30.dll file in the system32 folder... check
>>>> that it's there and try re-registering it in case it slipped a gear.
>>>> --
>>>> website references are to www.papajohn.org
>>>>
>>>> PapaJohn
>>>>
>>>>
>>>> "zachd [MSFT]" <zachd@nomailplz.online.microsoft.com> wrote in message
>>>> news:uTawOgGZIHA.1212@TK2MSFTNGP05.phx.gbl...
>>>>>
>>>>> What's the URL that Web Help takes you to?
>>>>>
>>>>> There's already an MJPEG codec on the system. It should work.
>>>>> PapaJohn's suggestion might help you replace it if needed though, but
>>>>> that shouldn't be needed.
>>>>> AVI vs avi doesn't matter - the system is case-insensitive here.
>>>>>
>>>>> --
>>>>> Speaking for myself only.
>>>>> See http://zachd.com/pss/pss.html for some helpful WMP info.
>>>>> This posting is provided "AS IS" with no warranties, and confers no
>>>>> rights.
>>>>> --
>>>>> "John Hanley" <jphanley@ix.netcom.com> wrote in message
>>>>> news:esWycIFZIHA.4896@TK2MSFTNGP06.phx.gbl...
>>>>>>I have a Canon S3IS digital camera which can take movies. The
>>>>>>movies
>>>>>>show
>>>>>> an .AVI extension and (I think) use an MJPEG codec. After
>>>>>> transferring
>>>>>> the
>>>>>> movie files to my (Vista) hard drive, their behavior is erratic:
>>>>>>
>>>>>> - The movie files *will not* play in Windows Media Player. The WMP
>>>>>> error
>>>>>> message is: "Windows Media Player encountered a problem while
>>>>>> playing
>>>>>> the
>>>>>> file". Clicking on Web Help reveals: "You've encountered error
>>>>>> message
>>>>>> C00D11B1 while using Windows Media Player."
>>>>>>
>>>>>> - The movie files *will not* play in Windows Media Center; WMC says
>>>>>> "Cannot
>>>>>> Play Video - Windows Media Center cannot open the file".
>>>>>>
>>>>>> - If I import the files into Windows Movie Maker, WMM appears to play
>>>>>> them,
>>>>>> but the preview screen is black.
>>>>>>
>>>>>> - GSpot reports that the file is a Motion JPEG, and that "Codec(s)
>>>>>> are
>>>>>> Installed".
>>>>>>
>>>>>> - The movie files *will* play using Canon's ZoomBrowser EX program
>>>>>> (came
>>>>>> with the camera).
>>>>>>
>>>>>> Related Info:
>>>>>>
>>>>>> - Both WMP & WMC play my .wmv files just fine. I also have one .avi
>>>>>> file from a different source which plays fine.
>>>>>> - The file extension on the AVI files that will not play is .AVI
>>>>>> (capitalized); the file extension on the avi file that will play is
>>>>>> .avi
>>>>>> (lower case) -- probably does not matter?
>>>>>>
>>>>>> Will appreciate clues on where to look to solve the issue. Thanks.
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>
>>
>