Silverstack Lab can provide transcoded clips as well as metadata from its library in a compatible format for ARRI Webgate cloud services. In Silverstack Lab you can export an ALE file that accompanies the transcoded clips and provides extended metadata to be available on the ARRI Webgate platform. The proxy clips can be uploaded together with the ALE where the additional metadata is then available.
There are two ways in Silverstack Lab to export an ARRI Webgate compatible ALE:
- Automatic: The automatic metadata export as part of the transcoding configuration can be set to automatically export a ARRI Webgate ALE after the transcoding job finishes and the transcoded clips are reingested into the library
- Manual: The manual export can be reached from the “Export” menu in the toolbar and in the context menu of the bin. It allows to manually trigger the export for the ALE for the bin with already transcoded clips in the library
Creating an ARRI WebGate compatible ALE when Transcoding
The automatic metadata export option allows to automatically create a companion metadata file when a set up in a transcoding configuration that is used for transcoding clips.
You can learn more about Transcoding in Silverstack Lab in the equally titled article.
To set ARRI Webgate as target application for the automatic metadata export, first go to the transcoding configurations tab of the right sidebar. Select the transcoding configuration from the list that you would like the export to happen for.
Fig. 1: Automatic Metadata Export configured for the transcoding configuration
Scroll down to the “Metadata Export” section. Select “ARRI Webgate” and press the “Configure…” button to select its content.
Fig.2: Configure the content of the ARRI Webgate ALE
When now transcoding to the adapted configuration you selected the metadata export for, the ARRI Webgate ALE is automatically exported to the same folder as the clips after the job finishes and the transcoded clips are automatically ingested into the “Transcoded Clips” folder of the Silverstack library.
Manual Export of an ARRI Webgate Compatible ALE
To manually export an ARRI Webgate compatible ALE select the intended bin inside the “Transcoded Clips” folder and choose “ARRI Webgate” from the “Export” menu:
Fig.3 : Manually exporting an ARRI Webgate ALE from a transcoded clips bin
The wizard leads you through the source selection (to select the clips that should be part of the ALE) and the content selection (which metadata should be part of the ALE).
Click the “Save ALE…” button to export the ALE to the intended directory.
Supported Structural Metadata of ARRI Webgate
Some columns of the ALE file need to have a certain syntax to correctly translate the metadata into the structural metadata of ARRI Webgate. You can read more about the metadata workflow for ARRI Webgate in their guide.
The following structural metadata is supported by the Silverstack Lab ALE:
- Scene / Scene- Shot
- Take
- Episode
- Reel
- Shoot Date
- Circled Take / Good Take
- Clip Comments
- Start (Start TC)
All other metadata from the ALE will also be displayed in ARRI Webgate but does not form part of the structural metadata.
Upload Clips and Metadata to ARRI Webgate
It is either possible to upload the ALE directly with the clips in the ARRI Webgate uploader or you can later use “Add metadata (ALE)” to add metadata to an existing playlist.
Fig.4: ARRI Webgate uploader example with one clip and ale
Find more details about uploading clips and the metadata workflow for ARRI Webgate in their guide.
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