media: vicodec: add the FWHT software codec

Browse source

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>

...

This commit is contained in:

Hans Verkuil 2018-07-20 03:49:21 -04:00 • committed by Mauro Carvalho Chehab

parent ee1228cca1

commit 251d6fe9a6

2 changed files with 926 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

797

drivers/media/platform/vicodec/vicodec-codec.c

View file

129

drivers/media/platform/vicodec/vicodec-codec.h

View file