jp2_channels access_channels( )
Java: Jp2_channels Access_channels( )
[Declared in "../apps/compressed_io/mj2.h"]
Returns an object which may be used to access information recorded in the JP2 "Component Mapping" and "Channel Definition" boxes. The information from both boxes is merged into a uniform set of channel mapping rules, accessed through the returned jp2_channels object. This information is fixed for all frames in the video track.