That data was transient and would have been lost. Editing that data was
temporarily fulfilling but long term frustrating since it didn't actually do
anything.
Right, Explorer/the shell doesn't have MP4 read-out built in. But whereas
AVI, MPEG, and MOV generally don't have outstanding metadata support, WMV
and MP4 generally should. WMV metadata support is built into Explorer. I
suspect some third party has properly written a property extension handler
to allow proper editing of other file types such as AVI, MPEG, etc.
Without a property extension handler actually doing something with that
data, editing that data is not useful.
--
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.
--
<> wrote in message
news:39075950-270b-4c7b-8f22-...
>
> Thanks for reply but I don't really understand it. I admit that I do
> only have a partial understanding of metadata
> Maybe we are talking at cross purposes.
>
> You say "if you set Description in XP - what really happened? Nothing
> really. That's dumb"
> I am not sure what you mean by "...set Description..."
> In XP, for WMV, MPG, MOV, MP4 video files etc the Description in
> Properties has Title, Comments fields which I can set to categorize
> my videos so that in Windows Explorer I can show a Title & Comment for
> each video when listing my files in a folder. Unfortunately, for AVI
> files there are no such fields but I can achieve this by changing the
> extension name ( say from AVI to AVIM ) so that the files do then have
> Title, Comments fields in Properties. I find this a useful work-
> around.
> In Vista, however, only WMV video files have a Description section in
> Properties.
> You mentioned MP4 files.
> However, from what I can see in VIsta, these are the same as AVI, MPG,
> MOV files i.e in Properties there is no Description section in which
> Title & Comments fields can be set.
>
>
> On 26 Nov, 07:35, "zachd [MSFT]"
> <za...@nomailplz.online.microsoft.com> wrote:
>> Extended file property handlers for file types that don't really support
>> them was kind of deceptive in XP. Vista does it right.
>>
>> For example, if you set Description in XP - what really happened?
>> Nothing
>> really. That's dumb.
>>
>> You could add a third party file property handler if you really wanted
>> to.
>> But editing RIFF metadata (as in editing AVI Descriptions/etc) can
>> corrupt
>> the file, so it's kind of a non-ideal path to go down. Both WMV and the
>> MP4
>> family should offer much richer metadata options for you.
>>
>> --
>> Speaking for myself only.
>> Seehttp://zachd.com/pss/pss.htmlfor some helpful WMP info.
>> This posting is provided "AS IS" with no warranties, and confers no
>> rights.
>> --
>>
>> <Philhg...@googlemail.com> wrote in message
>>
>> news:59460e39-b02f-45be-9d06-...
>>
>> > My question arises from a desire to catalogue my videos.
>> > For WMV files the File Properties have a Description with
>> > Title,Comments, which is very useful.
>> > However, for other video type ( AVI, MPG etc ) there is no
>> > Description.
>> > Presumably MS think you should only use their video type.
>> > This situation is worse in Vista than in XP.
>> > In XP, I could rename my AVI files, say as AVIM in order to get Title,
>> > Comments properties.
>> > I could still then associate AVIM with my Media Player.
>> > In Vista, one can not even do this as an alternative file type .e.g.
>> > AVIM files do not now have a Description in Properties.
>>
>> > Vista seems to extol its virtue of better catorgorising files and
>> > searching. With the exclusion of Description for many file types this
>> > is not true.
>>
>> > Is there any way of forcing Description propeties/tags on these file
>> > types ?
>
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