What kind of metadata in particular? You can set checksum, mimetype, size, etc all with the MediaPackageElement API.
Josh On Tue, Mar 8, 2011 at 10:24 PM, Robert Robere <[email protected]> wrote: > I have a quick question about metadata for derived tracks. > > The addDerived method doesn't add any properties to the MediaPackage > describing the derived track. How exactly do I add this information to the > new tracks? Or am I supposed to not worry about it? > > Thanks, > Robert > > On 11-03-02 02:13 PM, Robert Robere wrote: > > Excellent. I had already found workspace.put(), but I wasn't sure about the > Tracks. > > Thanks very much! > > On Wed, Mar 2, 2011 at 2:40 AM, Josh Holtzman <[email protected]>wrote: > >> The idea is that you put the file in the workspace via: >> >> Workspace.put(String mediaPackageID, String mediaPackageElementID, String >> fileName, InputStream in) >> >> which returns a URI to the file. You then add a track to the mediapackage >> with that URI. Using addDerived helps others understand that the new track >> was derived from the original: >> >> Track splitTrack = (Track) MediaPackageElementBuilder.elementFromURI(uri, >> Type.Track, MediaPackageElements.PRESENTER_SOURCE); >> mediaPackage.addDerived(originalSourceTrack, splitTrack); >> >> Then return the mediapackage as part of the WorkflowOperationResult. >> >> Josh >> >> On Wed, Mar 2, 2011 at 12:59 AM, Robert Robere <[email protected]>wrote: >> >>> Hello All, >>> >>> I'm working on an operation handler to take the video streams from >>> NCAST cards and split them into two files. The idea was to write this as an >>> operation handler and perform the splitting during processing. Currently, I >>> have a reference to the workspace injected so I can run a gstreamer pipeline >>> to split the file locally, but what is the best way to insert the resultant >>> pair of videos back into the workspace? Do I add a new Track to the >>> MediaPackage, or do I use the addDerived method to add a modified Track? >>> (I'm sorry but I'm a little lost). >>> >>> Robert Robere >>> >>> _______________________________________________ >>> Matterhorn mailing list >>> [email protected] >>> http://lists.opencastproject.org/mailman/listinfo/matterhorn >>> >>> >>> To unsubscribe please email >>> [email protected] >>> _______________________________________________ >>> >> >> > >
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