Video4Linux API version 1 is declared as obsolete, with a deadline
marked as July/2006.
Version 2.6.3 had introduced a new API version, for beter handling
video support, called V4L API version 2. The new API provides
support for a wide range of video standards, including the several
audio channels provided worldwide.
For now, both V4L1 and V4L1 APIs are provided by the main modules,
but newer drivers should provide handling only for V4L2 API, and
use v4l_compat_ioctl to handle calls to old API.
More details about V4L2 API can be found here.
mchehab
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