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'current' is also defined in asm-generic/current.h.
When compiling this driver for older kernels with the media_build system,
this header is included via compat.h and it no longer compiles. Rename
current to cur.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Add the virtual codec driver that uses the Fast Walsh Hadamard Transform.
Keiichi Watanabe contributed the multiplanar support.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Co-Developed-by: Keiichi Watanabe <keiichiw@chromium.org>
Signed-off-by: Keiichi Watanabe <keiichiw@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Add a software codec based on the Fast Walsh Hadamard Transform.
The original FWHT codec was developed by Tom aan de Wiel, and it was
turned into 'proper' kernel code by Hans Verkuil, with a lot of
performance and memory improvements.
Signed-off-by: Tom aan de Wiel <tom.aandewiel@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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