Working with Cineform Files with Active Metadata on FCP

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Paramvir Singh
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Working with Cineform Files with Active Metadata on FCP

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(SI2k Camera sends out files in the CineForm file format)

Final Cut Pro plays and edits CineForm RAW MOV files while obeying the active metadata global controls defined in the SetActiveMetadata utility. The SetActiveMetadata utility runs externally to the calling application (Final Cut Pro, QuickTime Player, etc) which allows you to define the specific metadata that you want used for playback and rendering. Read about global controls for active metadata in CineForm RAW files

CineForm RAW files are encapsulated in the same AVI or MOV wrappers that CineForm Intermediate (4:2:2) and CineForm 444 are wrapped in. That means CineForm RAW files are compatible with virtually all Mac OS X (MOV) or Windows (AVI) applications with no conversion required. Specifically as the subject of this Tech Note, CineForm RAW files can be moved directly onto the Final Cut Pro timeline just as any other CineForm file, and may coexist on the same timeline with other files.

It is relevant to understand that RAW data from Bayer sensors (including CineForm RAW) is not directly compatible with traditional chroma formats of 4:2:2 (YPrPb) or 4:4:4 (RGB). In fact, to convert RAW data into traditional chroma formats requires that a "demosaic" operation be performed, either in real-time for playback, or during a render. (You can read more about the technology of CineForm RAW in our Technology Primer). When playing CineForm RAW files on a Final Cut Pro timeline, the CineForm RAW decoder performs a real-time demosaic after decoding the compressed file, the result being a traditional YPrPb or RGB presentation to the calling application. In this way a CineForm RAW file "appears" to the calling application to be a traditional YPrPb or RGB file.
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