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V4L/DVB: [v5,2/2] v4l: Add a mem-to-mem videobuf framework test device

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This is a virtual device driver for testing the memory-to-memory framework.

This virtual device uses in-memory buffers for both its source and destination.
It is capable of multi-instance, multi-buffer-per-transaction operation
(via the mem2mem framework).

[mchehab@redhat.com: use videobuf_queue_to_vaddr instead of the removed videobuf_queue_to_vmalloc]
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Vaibhav Hiremath <hvaibhav@ti.com>
Tested-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Pawel Osciak 2010-04-23 05:38:38 -03:00 committed by Mauro Carvalho Chehab
parent 7f98639def
commit 96d8eab5d0
3 changed files with 1064 additions and 0 deletions
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14
drivers/media/video/Kconfig
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@ -1135,3 +1135,17 @@ menuconfig V4L_MEM2MEM_DRIVERS
use system memory for both source and destination buffers, as opposed
to capture and output drivers, which use memory buffers for just
one of those.
if V4L_MEM2MEM_DRIVERS
config VIDEO_MEM2MEM_TESTDEV
tristate "Virtual test device for mem2mem framework"
depends on VIDEO_DEV && VIDEO_V4L2
select VIDEOBUF_VMALLOC
select V4L2_MEM2MEM_DEV
default n
---help---
This is a virtual test device for the memory-to-memory driver
framework.
endif # V4L_MEM2MEM_DRIVERS

1
drivers/media/video/Makefile
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@ -151,6 +151,7 @@ obj-$(CONFIG_VIDEO_IVTV) += ivtv/
obj-$(CONFIG_VIDEO_CX18) += cx18/
obj-$(CONFIG_VIDEO_VIVI) += vivi.o
obj-$(CONFIG_VIDEO_MEM2MEM_TESTDEV) += mem2mem_testdev.o
obj-$(CONFIG_VIDEO_CX23885) += cx23885/
obj-$(CONFIG_VIDEO_AK881X) += ak881x.o

1049
drivers/media/video/mem2mem_testdev.c Normal file
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