XMP Metadata Identification Help

To all-
Is this XMP value unique to a particular image, software or camera? Is there a way to decode the value or do any sort of analysis on the information contained within?
Im in the middle of an important investigation and part of it hinges on a few digital images, one of which contains this XMP value.
Any help is appreciated.
Thanks,
Pete
<xmpMM:DocumentID>D52DE6F30C1A06802AA60C922D2CCE18</xmpMM:DocumentID>
<xmpMM:InstanceID>D52DE6F30C1A06802AA60C922D2CCE18</xmpMM:InstanceID>

The simple answer, there is no requirement on how this unque value is created. You might be able to extract some information, but depends upon the "scheme" by which it was created.
Reading the XMP specification you will find the following...
An ID should be a GUID/UUID-style ID, which is a large integer that is guaranteed to be globally unique (in practical terms, the probability of a collision is so remote as to be effectively impossible). Typically 128- or 144-bit integers are used, encoded as 22 or 24 base- 64 characters.
XMP does not require any specific scheme for generating the unique number. There are various common schemes available for that purpose, such as:
Using physical information such as a local Ethernet address and a high resolution clock. NOTE: When creating a unique ID, applications must consider tradeoffs between privacy and the desire to create an audit trail. Adobe applications favor privacy and do not include Ethernet addresses.
Using a variety of locally unique and random data, then computing an MD5 hash value. This avoids privacy concerns about the use of Ethernet addresses. It also allows for regeneration of the ID in some cases; for example if the MD5 hash is computed using the image contents for a resource that is a digital photograph.
http://partners.adobe.com/public/developer/en/xmp/sdk/XMPspecification.pdf
Regards,
- Mark

Similar Messages

XMP metadata from Flashbuilder why not visible in Adobe Bridge?

Hi there,
I'm currently wondering around XMP metadata and swf files.
A: Flash CS5: works
When I use the XMP panel in Flash CS5 and export a swf, open Adobe Bridge CS5 and select the file, the XMP data are correctly displayed.
B: Flash Builder(Flex 4.1): don't work
When I use Flashbuilder and add my metadata to the compilation, then compile, open Adobe Bridge CS5 and select the file, nothing is included in metadata.
Procedure based on the following (same problem if metadata are directly set through compiler arguments):
http://livedocs.adobe.com/flex/3/html/help.html?content=compilers_14.html
../src/config/ProductMetaData.xml
<flex-config>
<metadata>
    <title>My title</title>
    <description>My description</description>
    <publisher>The publisher</publisher>
    <creator>The creator</creator>
    <language>EN</language>
</metadata>
</flex-config>
compiler argument
-load-config+=config/ProductMetaData.xml
As far as understood, on the background the following is added to the swf at compile time:
<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
    <rdf:Description rdf:about='' xmlns:dc='http://purl.org/dc/elements/1.1'>
        <dc:format>application/x-shockwave-flash</dc:format>
        <dc:title>My title</dc:title>
        <dc:description>
            <rdf:Alt>
                <rdf:li xml:lang='x-default'>My description</rdf:li>
            </rdf:Alt>
        </dc:description>
        <dc:publisher>The publisher</dc:publisher>
        <dc:creator>The creator</dc:creator>
        <dc:language>EN</dc:language>
    </rdf:Description>
</rdf:RDF>
I've checked that the medata is correctly added to the swf file using this small software polarswf:
http://download.cnet.com/Polar-SWF-MetaData/3000-6676_4-10738623.html
I do not know if it is safe to use it in a produciton context at least in trial mode it allows to check the metadata included in your swf.
I wonder if this metadata coonot be read by Adobe Bridge because they are at a "lower level" than those put by flash CS5 XMP panel?
Thank you in advance for your help.
This is not a blocking situation, but I'm curious to understand what happend.
Cedric Madelaine (aka maddec)

I was following this post for a LONG time, since I noticed the same problem.
This week I was getting in it into myself again and I noticed you use load-config. I used these compiler options :
contributor name
Sets metadata in the resulting SWF file. For more information, see Adding metadata to SWF files.
creator name
Sets metadata in the resulting SWF file. For more information, see Adding metadata to SWF files.
date text
Sets metadata in the resulting SWF file. For more information, see Adding metadata to SWF files.
But that resulted in this XML string where the dc namespace was missing a / on the end of the URI
That caused the metadata which was added in flashbuilder was only visible in bridge in the rawXML panel, and not the specific fields
changing the URI in http://purl.org/dc/elements/1.1/ did the trick ( did this in bridge by exporting the rawXML, changed the / , and imported it )
<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
    <rdf:Description rdf:about='' xmlns:dc='http://purl.org/dc/elements/1.1'>
        <dc:format>application/x-shockwave-flash</dc:format>
    </rdf:Description>
</rdf:RDF>
Sadly there was no way I could add this / myself everytime.
BUT then I discoverd this option :
raw-metadata XML_string
Defines the metadata for the resulting SWF file. The value of this option overrides any metadata.* compiler options (such as contributor,creator, date, and description).
This is an advanced option.
And you could give the exact RAW XML as you described
<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
    <rdf:Description rdf:about='' xmlns:dc='http://purl.org/dc/elements/1.1/'>
        <dc:format>application/x-shockwave-flash</dc:format>
        <dc:title>My title</dc:title>
        <dc:description>
            <rdf:Alt>
                <rdf:li xml:lang='x-default'>My description</rdf:li>
            </rdf:Alt>
        </dc:description>
        <dc:publisher>The publisher</dc:publisher>
        <dc:creator>The creator</dc:creator>
        <dc:language>EN</dc:language>
    </rdf:Description>
</rdf:RDF>
to the compiler. This could also be done in Flash with JSFL.
In the end I wrote an ANT script which injects the exact XMLstring of metadata to Flash and Flex projects by using the raw-metadata parameter in FLEX and JSFL for flash.
Hope this helps

How can I get Adobe Bridge to show XMP metadata using Adobe Drive 4 CMIS Connector?

I have successfully connected to an Alfresco Enterprise Edition 4.1.0 repository, using the Adobe Drive 4, created a test folder and uploaded a jpeg file containing XMP metadata into it.
When I view the image's metadata (using Adobe Bridge), I observe that only part the standard file properties are displayed.
When I view a local copy of the image using the same, I see all fields of the standard file properties plus available metadata.
My question: what should I do in Adobe Bridge to be able to see all available XMP metadata?
Kind Regards and Appreciation
Don Greenwood
Pixelboxx GmbH
Dortmund

How did you get through to customer service? They've changed the website and I can't even find phone numbers or a chat button any more.
Here's my story that I posted on discussion yesterday, but no one has replied:
I am screaming and pulling my hair out right now! The last six months with Adobe has been a nightmare.
Once again I am completely locked out of Creative Cloud and cannot use the apps even though my automatic monthly deduction for payment was just made a couple of days ago. Creative Cloud continues to reset itself to the trial version which runs out in 30 days and after that I am locked out once again.
Now it looks like it is harder to access support than before. Where are chat and the phone numbers now? This was a nightmare with countless hours spent on chat and the phone over the last six months, and now I don't even know how to access support in order to spend even more time that does not solve the problem. What am I to do?
I cannot use the product I have paid for!
Please help!

Problem with Bridge CS4 reading/editing XMP metadata added in Bridge CS6

Please excuse me if this is a dumb/obvious question. I did try searching the forums for similar problems and didn't find anything that seemed to speak to my issue.
I'm having a problem where Bridge CS4 won't read/edit xmp metadata (specifically, keywords and descriptions in the IPTC panel) that I have entered using CS6. it will read some files, not others. The files are all .mp4s. Of these files, I can read/edit IPTC panel metadata for some of them in Bridge CS4; I can add metadata for all of them in CS6. I see no particular pattern in these files to explain what is and isn't read/editable in CS4.
My question is whether this is a compatibility issue between different versions of CS (in this instance, CS4 and CS6). i know it's a tired refrain to blame software when it could easily be user error, in which case I'd be frankly delighted to know what i'm doing wrong. Please bear with me as I give a few more details.
I'm using macs. I've tried this on multiple systems - for instance, on a mac pro 3 which for some reason has both CS4 and CS6 installed, i can add and edit keywords using CS6, but not when using CS4. Again, in CS4, some .mp4 files read/edit, others do not.
Bridge CS4 blames the files and tells me that the selected file cannot store xmp metadata, and that the properties cannot be modified. To be specific, in the metadata panel it says "this property cannot be modified"; in the keyword panel, it says, "This file (zzz.mp4) cannot store xmp metadata. No changes will occur." This seems odd, because I'm able to add xmp metadata for the same files in CS6 on the same computer, and other computers. I know this problem would disappear if all our computers were using CS6 (or CC), but unfortunately that's not a possibility at the moment. Some of them only have CS4.
Computer details (not an exhaustive list, but two instances): mac pro 3.1 running snow leopard, 16GB memory; macbook pro 4.1 running snow leopard, 4GB memory; adobe bridge cs6 (5.0.0.399) and cs4 (3.0.0.464).
Things I have tried:
Permissions - the files are set to read/write for everyone. Given that I can add/edit metadata in CS6, it doesn't seem to be a permission issue.
Purging the cache - other users seem to have had problems adding metadata in Bridge CS4 where purging the cache for affected files solved the problem. Didn't work in this instance.
Upgrading all affected computers to CS6/CC is beyond my control. I need to figure out why CS4 won't let me read/add/edit xmp metadata, if only for the sake of understanding the broader implications for interoperability.
Any helpful suggestions would be much appreciated.
Thanks,
Kevin

adobe bridge cs6 (5.0.0.399) and cs4 (3.0.0.464).
Without having experience with mp4 files and metadata my observation is that you certainly have not updated Bridge CS6 ( should be 5.0.2.4) and I believe also not the latest version of CS4, can't imaging this also stayed at .0.0 so first try to update both.
And if CS4 can read the data of some files it should be capable of reading them all. Be sure to have the files completely cached first, can take a while.
Other things to try in CS4 is refresh preferences (hold down option key while restarting Bridge and choose reset prefs).
And also check for hidden cache files using menu view/show hidden files. Sometimes those cache files can be troublesome between versions.
If purge cache did not work and reset prefs also failed consider to also delete Bridge plist file and Bridge cache file manual (from user library)

[CS3 JS] How to force XMP metadata update for a thumbnail?

Hi Folks,
In a JavaScript in Bridge CS3, I'm updating a value in the XMP metadata for a Thumbnail. Later in the script I want to read the updated XMP metadata information from the Thumbnail, but often Bridge hasn't updated the metadata by the time I read it. In other words, my script reads the value prior to the update. I'm guessing there's a caching issue going on.
I'm new to Bridge scripting, and I am hoping someone here can offer suggestions on how I can (or, even *if* I can) force Bridge to update the XMP metadata cache for a file so that when I read it later in the script it will reflect the recent changes. I've tried using Thumbnail.refresh(), but that doesn't seem to do the trick. I don't mind a slower script, I just want to be able to read the correct value.
Thanks in advance for any help!
-- Jim

Hi David,
I'm running this script on a MacBook Pro, 2.5GHz, 4GB RAM.
Here is a sample JSX that shows the issue I'm having:
#target "bridge-2.0"
main();
function main() {
    if( xmpLib == undefined ) {
        var pathToLib = Folder.startup.fsName + "/AdobeXMPScript.framework";
        var libfile = new File( pathToLib );
        var xmpLib = new ExternalObject("lib:" + pathToLib );
    var myValue = "Headline Test";
    var myFilePath = "~/Desktop/TestFile.tif";
    var curHeadlineStr = XMPGetHeadline(myFilePath);
    $.writeln("Headline value: \"" + curHeadlineStr + "\"");
    XMPWriteHeadline(myFilePath, myValue);
    // *** I would like to refresh the cache here ***
    curHeadlineStr = XMPGetHeadline(myFilePath);
    $.writeln("Headline value: \"" + curHeadlineStr + "\"");
function XMPGetHeadline(theFilePath) {
    var thumb = new Thumbnail(File (theFilePath) );
    md = thumb.synchronousMetadata;
    xmp = new XMPMeta(md.serialize());
    var myHeadlineXMPProp = xmp.getProperty
        (XMPConst.NS_PHOTOSHOP, "Headline", XMPConst.STRING);
    return myHeadlineXMPProp;
function XMPWriteHeadline(theFilePath, theTextStr){
    var thumb = new Thumbnail(File (theFilePath) );
    md = thumb.synchronousMetadata;
    xmp = new XMPMeta(md.serialize());
    var myOrigHeadlineXMPProp = xmp.getProperty
        (XMPConst.NS_PHOTOSHOP, "Headline", XMPConst.STRING);
    xmp.deleteProperty(XMPConst.NS_PHOTOSHOP, "Headline");
    xmp.setProperty(XMPConst.NS_PHOTOSHOP, "Headline", theTextStr, 0, XMPConst.STRING);
    var updatedPacket = xmp.serialize
        (XMPConst.SERIALIZE_OMIT_PACKET_WRAPPER | XMPConst.SERIALIZE_USE_COMPACT_FORMAT);
    thumb.metadata = new Metadata(updatedPacket);
To run this script, in main(), set the myFilePath variable to the path of a file that has an "IPTC Code" "Headline" property.
This script, when run, sets the "Headline" property value to the value of myValue. After runing the script for the first time, take a look at the console log. You should see that Headline value displayed does not change between the two console entries. My log looks like this after the first run:
Headline value: "undefined"
Headline value: "undefined"
The thing is, the second entry in the console listing, above, was created after the Headline value was set by XMPWriteHeadline(). The two values should be different between the two console entries.
If you run the script a second time against the same file, you will see that the Headline value does contain the value that was written in the first run of the script--it just took some time to update the cache, I'm guessing. Here's the second run's log:
Headline value: "Headline Test"
   Headline value: "Headline Test"
So, what I'm looking for is a way to insert code (where the comment line "//*** I would like to refresh the cache here ***" appears), to force Bridge CS3 to refresh its cache so that when I call XMPGetHeadline() after calling XMPWriteHeadline(), the Headline value will return the value that was just written.
I hope this is clear enough...
Thanks!!!!
-- Jim

How do you embed/inject xmp metadata into a mpeg 2 video file?

Im looking to add keywords and descriptions to original file (raw MPEG-2) and have the metadata stick when i go to the transcoding process and batch convert the orginal file to either a wmv and flash file. how can i achive this? what tools are available ? and or is this a custom job? any info and or programmers looking to test this im open to all the help i can get.

Yeah I kind of figured that. I've been trying various ways of trying to batch inject metadata into video files and thought I would start with the master file but because of the limitations the raw digitized mpg 2 video file has. In that case I have yet to find a transcoding program that will batch out various formats and read a xmp side car file to inject the metadata into the outputted file (does anyone know if Adobe media encoder 4 can accomplish this where a xmp sidecar file is created then transcoding into a wmv and or flash file , curious if the metadata will stick and be read in the outputted file) In anycase I may have find an alternative way and use my current Rhozet carbon coder transcoder program to try to inject an xml file during the batch transcoding process. If anyone has successfully accomplished this with injecting xmp metadata in a batch transcoding program please let me know. I've been exhausted searching for the solution this problem for a long time and I don’t want to wait till a mpeg 7 solution comes out.

Adding/Reading XMP Metadata in a psd file

Hi,
I'm having some troubles to understand how to add and read XMP metadata on a psd file. I followed the Panel developer guide tutorial, and try to look on the internet for some answers, but I'm still stuck ...
Here is the simple example I'm trying to make (using part of the code from the panel developer guide) :
     The function loads the XMP Script Library.
     @returns True if the XMP Script Library was loaded successfully.
     @type Boolean
function loadXMPLibrary(){
     if ( !ExternalObject.AdobeXMPScript ){
          try{
               ExternalObject.AdobeXMPScript = new ExternalObject('lib:AdobeXMPScript');
          }catch (e){
               alert("Can't load XMP Script Library");
               return false;
     return true;
     The function unloads the XMP Script Library.
function unloadXMPLibrary(){
     if( ExternalObject.AdobeXMPScript ) {
          try{
               ExternalObject.AdobeXMPScript.unload();
               ExternalObject.AdobeXMPScript = undefined;
          }catch (e){
               alert("Can't unload XMP Script Library");
    Try to put a new property into the metadata
if( app.activeDocument || !loadXMPLibrary()){
    var xmp = new XMPMeta(activeDocument.xmpMetadata.rawData);
    xmp.setProperty( XMPConst.NS_EXIF, "myProperty", "test" );
    activeDocument.xmpMetadata.rawData = xmp.serialize();
    unloadXMPLibrary();
    Window.alert(activeDocument.xmpMetadata.rawData);
I don't really know where I'm wrong, could you help me please ?
Thanks,
Julien

Rather mess with EXIF and Dublin Core namespaces, wouldn't it be better to create your own?
IE:
#target photoshop
addtoMeta();
function addtoMeta(){
if(!documents.length) return;
if (ExternalObject.AdobeXMPScript == undefined) ExternalObject.AdobeXMPScript = new ExternalObject("lib:AdobeXMPScript");
var xmp = new XMPMeta( activeDocument.xmpMetadata.rawData);
var myNamespace = "http://my.fantastic.newspace/";
var myPrefix = "nsfns:";
XMPMeta.registerNamespace(myNamespace, myPrefix);
xmp.setProperty(myNamespace, "myProperty", "A Test String");
app.activeDocument.xmpMetadata.rawData = xmp.serialize();

How do you import (or convert) XMP metadata into iPhoto '08?

Having recently made OS X my primary operating system, I switched from using Picasa/Windows Photo Gallery on Vista to catalogue my photos to iPhoto '08. However, the 7,000+ pictures I have all have XMP metadata tags. None of them show up in iPhoto '08 after import. Needless to say, I am not looking forward to having to retag 7,000+ pictures in iPhoto.
I know people in various forums, here and elsewhere, have said that iPhoto '08 does not do XMP at all. Is this true? Is there a workaround or plugin? I find it weird that XMP has been an open standard since May, and 6 months later, there isn't a plugin or solution, especially from Apple. Unless I am just daft and missing something obvious, which is entirely possible.
At any rate, I would really appreciate any help in me not having to retag over 7,000 pictures...thanks in advance!

mrbofus:
Do you still have the PC and the photos on it? If so you might look into the demo version of iView MediaPro and see it if can read those Picasa files and embed the metadata into the files like it can when reading an iPhoto library on the Mac platform. If it can, you'll be able to write the metadata to the files and bring them over again to the Mac and import into a new library. This is only speculation as I'm not conversant in Windows at all.
Do you Twango?
TIP: For insurance against the iPhoto database corruption that many users have experienced I recommend making a backup copy of the Library6.iPhoto database file and keep it current. If problems crop up where iPhoto suddenly can't see any photos or thinks there are no photos in the library, replacing the working Library6.iPhoto file with the backup will often get the library back. By keeping it current I mean backup after each import and/or any serious editing or work on books, slideshows, calendars, cards, etc. That insures that if a problem pops up and you do need to replace the database file, you'll retain all those efforts. It doesn't take long to make the backup and it's good insurance.
I've created an Automator workflow application (requires Tiger), iPhoto dB File Backup, that will copy the selected Library6.iPhoto file from your iPhoto Library folder to the Pictures folder, replacing any previous version of it. It's compatible with iPhoto 08 libraries and Leopard. iPhoto does not have to be closed to run the application, just idle. You can download it at Toad's Cellar. Be sure to read the Read Me pdf file.

C++ code to get XMP metadata from pdf files ??

Hi,
I am new to this field and now I have to write a C++ code which will read the XMP metadata from any pdf files. Could anyone please tell me how to do that or where to start? Is there any sample code available for that?
I am reading the Programmer's guide and XMP specification to have the whole idea.
I really appriciate your help. Thanks in advance.
Regards,
Suranjit Paul

Hi,
The same code for reading other formats will go for Pdf too.
Only difference is while reading PDF it is not calling any smart filters.

How to import XMP metadata in pdf

Could you please explain me, how to import XMP metadata in pdf file through "Live Cycle ES"?

Yes, with LiveCycle ES (almost) all services can be invoked from any of the available endpoints (watch folder, EJB, WebService, etc).
In this case since the ImportXMP requires two input files (the PDF and the XMP) you will need to drop a directory containing both of your files into the watch folder (not the individual files). This is because several requests can be dropped into the watch folder at the same time and without the sub directories LiveCycle couldn't tell what XMP when with what PDF.
A com.adobe.idp.Document - AKA: Document - object is one of the common object types used across all LiveCycle products. When you deal with PDFs and many other binary file objects they are stored a Document object. It is more important that you know this when using Workbench, web services or the Java API.
You should have a look at the documentation at: http://livedocs.adobe.com/livecycle/8.2/programLC/programmer/help/001553.html

Automating XMP Metadata in Illustrator CS4

How do I use actions or scripting within Illustrator CS4 on the Mac to automatically copy all of the text within an Illustrator pasteboard and paste it into the Keyword XMP Metadata field under File Info.
I've tried Select/Text objects, then Copy (Cmd-C), File Info (Shift-Cmd-Opt-I), Paste (Cmd-V after clicking in the Keyword field), OK.
It works fine manually, but the File Info sequences are not saved in the action.
Thanks for any help I can get.

I guess this is not feasible via Actions, but possible through JavaScripting. You may try that. Hope information helps.

Best practice in writing xmp metadata?

I know to switch off the 'automatically write to xmp metadata' feature. But, after doing this, what is the best way to ensure the xmp metadata does actually stay up to date?
My understanding is that by switching the automatic writing back on, LR goes through the whole catalogue, comparing the data in its database with the data in the xmp files, and every time it finds something different, it copies from the database to the xmp. However, there would seem to be two problems with this. i) it's extremely slow, because it's such a big job, and (b) presumably any changes made elsewhere, eg in ACR, will be overwritten.
The alternative seems to be to right click on the folder while in library mode and select "save metadata". However, for some unknown reason, this is unbelievably slow. What prompted me to write this message is that nearly an hour ago, I did this with a folder of 78 files, and it's still churning away. In that time, I've had time to log on to this forum, read a few messages, do a search to see if there is anything helpful, and then write and edit this. I don't dare try this with the folders I have with three hundred photos in!
The LR catalogue is in a partition with hardly anything else in it, on a different physical drive from LR itself. It gets defragged more frequently than the defrag utility thinks it needs to be. During metadata writing and many other operations, the CPU maxes out at 100% yet only about 75% of my 1GB memory is used.
Is there anything I can do?
I'm on an old-ish PC and am not in a position to upgrade (please - any messages just saying I need a newer computer are not going to be any help :-) ). Any other help would be appreciated.

Thanks, Mel. You just posted as I was writing the previous message!
I think you nailed it. The 78 pictures, I did by right-clicking on the folder name in the right-hand fly-out panel in library and selecting 'save metadata' (hope the choice of words here is clear!). I've just tried the ctrl-a, ctrl-s technique you describe, and it whizzed through a folder of 127 photos in no time.
So, you're right - there appears to be a bug.
One more problem - there was an error in saving to the tifs in the folder. A separate problem which I'll look at tomorrow.
Back to the other part of my original question. What is the most efficient way to keep the xmp data up-to-date? Considering that there's massive scope for human error in having to remember to save manually all the time, this can't, surely, be the best way to do it. What do people generally do, and has anyone evolved a 'best practice'?

Xmp METADATA ADDING NAMESPACES

hi,
In Bridge, i have to update the information to the XMP metadata(File Info). In advanced tab,It contains namespaces. Based on that ,im updating the metadata to the corresponding images through scripting. Sometimes, Some of the namespaces missing. How can i include those namespaces here.
please help me...
Thanx in advance.

hi paul,
Through scripting i have to updated the field, Sometimes in (advanced) tab, some of the namespaces missing, second oftenly it shows engine busy.If i keep on working with particular files, it shows the xmp metadata error, cannot write the datas. i use coded :
     md.namespace = "http://ns.adobe.com/photoshop/1.0/";
    mdpurl.namespace = "http://purl.org/dc/elements/1.1/";
    mdrights.namespace ="http://ns.adobe.com/xap/1.0/rights/";
    mdiptc.namespace="http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/";
    mdtiff.namespace = "http://ns.adobe.com/tiff/1.0/" ;
    md.Headline = Headline[cnt];
    md.Source = Source[cnt];
    md.Author = Creator[cnt];
    md.Title = Title[cnt];
    md.Credit=Provider[cnt];
    mdiptc.CiEmailWork=CreatorWebsite[cnt];
    mdiptc.CiUrlWork=CreatorEmail[cnt];
    md.Instructions = Instructions[cnt];
    mdiptc.Location = Location[cnt];
    md.Copyright = Copyright[cnt];
    md.TransmissionReference =JobIdentifier[cnt];
    md.Keywords=Keywords[cnt];
    mdrights.Marked="True";
    mdrights.UsageTerms= RightsUsageTerms[cnt];
    md.Caption = Description[cnt];
cnt: referes the index no, reading from csv

[CS3] the file cannot store XMP metadata

Hello,
I want to add some metadatas like keywords and description to my video files (raw avi and mpg). It works for most of them in bridge but some will not accept any changes. I get the following error message: "xxx.avi cannot store XMP metadata. No changes will occur." Even so all the video files have been recorded during the same session (no visible differences between the files), some of them work, some do not work.
Do you know a known problem with embemdding XMP into video files? Or if the problem comes from Bridge, how can I do?
Thanks to everyone who could help me.
Steeven
from France

Clear the cache in preferences.

Message: 'FILE CANNOT STORE XMP METADATA'

I have encountered a problem that I cannot resolve by myself and cannot find any relevant information. I hope you can help: In some cases (this has only been happening with my last big job of about 1000 selected images which are divided in subfolders) in most folders when I try to apply a new keyword in an entire group of photographs I get the message ".. the metadata of some of the selected items cannot be changed. Do you want to continue and apply the changes to some of the selected items only?.." whilst when i select individual files (photographs) I get the message ".. the file xxxx.CR2 cannot store XMP metadata. No changes will occur..". This has been happening both before and after the batch rename processing. Also I noticed on my desktop that the RAW files that do not accept keywords are not initially accompanied by an XMP file. I guess that there is a problem with my 'settings' but I cannot located it or resolve it... Can you help please?

..a couple of hours later..
However, if I ReNAME the file which contains the photographs that 'refuse' to have new keywords added to them, IT APPEARS that everything is fixed. After a 'blink' on the screen which resembles with a refresh, I can add the keywords that I desire. Moving the contents of my initial subfolders in one NEW folder does not change the METADATA or the KEYWORD status and so far they are retained when my files are moved to the new folder.
B U T... if I rename the file again (through the Bridge window) and give it its previous name, the problem persists....
-Am I doing something wrong?...since I am not following a different procedure.. why did problem occur out of the blue?
-Will the problem occur again?
-will the Raw files retain the details (keywords/metadata) that I have added from now on?.. or is it possible that I will loose them again at some point?
-why does this happen?

XMP Metadata Identification Help

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