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media: vicodec: add the virtual codec driver

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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>
This commit is contained in:
Hans Verkuil
2018-07-20 03:52:50 -04:00
committed by Mauro Carvalho Chehab
parent 251d6fe9a6
commit 256bf813ba
6 changed files with 1535 additions and 0 deletions
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13
drivers/media/platform/vicodec/Kconfig Normal file
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config VIDEO_VICODEC
tristate "Virtual Codec Driver"
depends on VIDEO_DEV && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
select VIDEOBUF2_VMALLOC
select V4L2_MEM2MEM_DEV
default n
help
Driver for a Virtual Codec
This driver can be compared to the vim2m driver for emulating
a video device node that exposes an emulated hardware codec.
When in doubt, say N.

4
drivers/media/platform/vicodec/Makefile Normal file
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# SPDX-License-Identifier: GPL-2.0
vicodec-objs := vicodec-core.o vicodec-codec.o
obj-$(CONFIG_VIDEO_VICODEC) += vicodec.o

1506
drivers/media/platform/vicodec/vicodec-core.c Normal file
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