media: vicodec: add the FWHT software codec
authorHans Verkuil <hans.verkuil@cisco.com>
Fri, 20 Jul 2018 07:49:21 +0000 (03:49 -0400)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Wed, 25 Jul 2018 12:15:57 +0000 (08:15 -0400)
commit251d6fe9a6753f8d2b5b7565c7044dbd82d63d62
treed5e6e3b265562792089304cb4928f4ba8e605cc1
parentee1228cca15ce097b7badebfdd0fef23a2cca9e1
media: vicodec: add the FWHT software codec

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>
drivers/media/platform/vicodec/vicodec-codec.c [new file with mode: 0644]
drivers/media/platform/vicodec/vicodec-codec.h [new file with mode: 0644]