introduce 'buffer_type' structure #13
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- define a V4L2 buffer type structure (.name, .type) - refer 'v4l2_buf_type' enum values to their lexical names Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>
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- take the field value in question and output its dereferenced name from the referenced structure Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>
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When addressing buffers within V4L2, their types are defined in "enum v4l2_buf_type" in <videodev2.h>.
The enum definitions correspond with human readable names, which are accessible through this new 'buffer_type' structure.