2002-09-09 07:14:35 +00:00
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v4l2 plugins
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============
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The idea is a bit the same as the idea for the v4l1 plugins. We want
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one generic v4l2element, and a few child objects (probably only two:
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v4l2src and v4l2sink):
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/-------- v4l2src
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v4l2element ---=
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\-------- v4l2sink
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Both v4l2src and v4l2sink have a uncompressed and a compressed
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recording-/playback-mode. Since this is all part of v4l2, the 'client'
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2004-05-31 20:36:07 +00:00
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of these elements, i.e. an application using v4l2src/v4l2sink, will
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2002-09-09 07:14:35 +00:00
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hardly notice this. All capsnego stuff is done inside, and the plugin
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knows which formats are compressed and which are not.
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Please note that the v4l1 and the v4l2 plugins are *not* compatible
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concerning properties. Naming has been kept the same where possible,
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but in some cases, properties had to be removed or added to make
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full use of v4l2.
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2004-05-31 20:36:07 +00:00
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V4L2 API: http://linux.bytesex.org/v4l2/.
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http://v4l2spec.bytesex.org/
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/usr/include/linux/videodev2.h or
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Kernel patches available from
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http://dl.bytesex.org/patches/.
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2007-02-22 14:35:28 +00:00
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Articles:
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http://lwn.net/Articles/203924/
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