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Commit 8f0755c0 authored by Javier Martin's avatar Javier Martin Committed by Mauro Carvalho Chehab
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[media] media: Add mem2mem deinterlacing driver 



Some video decoders such as tvp5150 provide separate
video fields (V4L2_FIELD_SEQ_TB/BT). This driver uses
dmaengine to convert this format to V4L2_FIELD_INTERLACED_TB/BT
(weaving) or V4L2_FIELD_NONE (line doubling) so that the
image can be displayed or processed.

Of course there will be combing effect in the image but this
can be accepted for some low quality applications.

Currently only YUV420 and YUYV formats are supported but
it can be extended later.

Signed-off-by: default avatarJavier Martin <javier.martin@vista-silicon.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent b6c14dc2

drivers/media/video/Kconfig

+8 −0
Original line number Original line Diff line number Diff line
@@ -1233,6 +1233,14 @@ config VIDEO_CODA 
	   Coda is a range of video codec IPs that supports

	   Coda is a range of video codec IPs that supports

	   H.264, MPEG-4, and other video formats.

	   H.264, MPEG-4, and other video formats.





config VIDEO_MEM2MEM_DEINTERLACE

	tristate "Deinterlace support"

	depends on VIDEO_DEV && VIDEO_V4L2 && DMA_ENGINE

	select VIDEOBUF2_DMA_CONTIG

	select V4L2_MEM2MEM_DEV

	help

	    Generic deinterlacing V4L2 driver.



config VIDEO_SAMSUNG_S5P_G2D

config VIDEO_SAMSUNG_S5P_G2D

	tristate "Samsung S5P and EXYNOS4 G2D 2d graphics accelerator driver"

	tristate "Samsung S5P and EXYNOS4 G2D 2d graphics accelerator driver"

	depends on VIDEO_DEV && VIDEO_V4L2 && PLAT_S5P

	depends on VIDEO_DEV && VIDEO_V4L2 && PLAT_S5P

drivers/media/video/Makefile

+2 −0
Original line number Original line Diff line number Diff line
@@ -190,6 +190,8 @@ obj-$(CONFIG_VIDEO_ATMEL_ISI) += atmel-isi.o 
obj-$(CONFIG_VIDEO_MX2_EMMAPRP)		+= mx2_emmaprp.o

obj-$(CONFIG_VIDEO_MX2_EMMAPRP)		+= mx2_emmaprp.o

obj-$(CONFIG_VIDEO_CODA) 			+= coda.o

obj-$(CONFIG_VIDEO_CODA) 			+= coda.o





obj-$(CONFIG_VIDEO_MEM2MEM_DEINTERLACE)	+= m2m-deinterlace.o



obj-$(CONFIG_VIDEO_SAMSUNG_S5P_FIMC) 	+= s5p-fimc/

obj-$(CONFIG_VIDEO_SAMSUNG_S5P_FIMC) 	+= s5p-fimc/

obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG)	+= s5p-jpeg/

obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG)	+= s5p-jpeg/

obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC)	+= s5p-mfc/

obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC)	+= s5p-mfc/

drivers/media/video/m2m-deinterlace.c

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