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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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8
MAINTAINERS
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@ -15153,6 +15153,14 @@ L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/via/via-velocity.*
VICODEC VIRTUAL CODEC DRIVER
M: Hans Verkuil <hans.verkuil@cisco.com>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
W: https://linuxtv.org
S: Maintained
F: drivers/media/platform/vicodec/*
VIDEO MULTIPLEXER DRIVER
M: Philipp Zabel <p.zabel@pengutronix.de>
L: linux-media@vger.kernel.org

3
drivers/media/platform/Kconfig
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@ -514,6 +514,9 @@ config VIDEO_VIM2M
---help---
This is a virtual test device for the memory-to-memory driver
framework.
source "drivers/media/platform/vicodec/Kconfig"
endif #V4L_TEST_DRIVERS
menuconfig DVB_PLATFORM_DRIVERS

1
drivers/media/platform/Makefile
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@ -16,6 +16,7 @@ obj-$(CONFIG_VIDEO_VIU) += fsl-viu.o
obj-$(CONFIG_VIDEO_VIMC) += vimc/
obj-$(CONFIG_VIDEO_VIVID) += vivid/
obj-$(CONFIG_VIDEO_VIM2M) += vim2m.o
obj-$(CONFIG_VIDEO_VICODEC) += vicodec/
obj-$(CONFIG_VIDEO_TI_VPE) += ti-vpe/

13
drivers/media/platform/vicodec/Kconfig Normal file
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@ -0,0 +1,13 @@
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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@ -0,0 +1,4 @@
# 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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