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Laurent Pinchart bdc2df62ae [media] v4l: vsp1: uds: Fix scaling of alpha layer 
Pixel color components can be scaled using either bilinear interpolation
or a multitap filter. The multitap filter provides better results, but
can't be selected when the alpha layer need to be scaled down by more
than 1/2.

Disable alpha scaling when the input has a fixed alpha value, and
program the UDS to output a fixed alpha value in that case. This ensures
the multitap filter will be used whenever possible.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
 		2014-07-17 12:45:00 -03:00
..
Makefile [media] v4l: vsp1: Add BRU support 2014-04-23 10:20:15 -03:00
vsp1.h [media] v4l: vsp1: Propagate vsp1_device_get errors to the callers 2014-07-17 12:44:52 -03:00
vsp1_bru.c [media] v4l: vsp1: bru: Make the background color configurable 2014-07-17 12:44:59 -03:00
vsp1_bru.h [media] v4l: vsp1: bru: Make the background color configurable 2014-07-17 12:44:59 -03:00
vsp1_drv.c [media] v4l: vsp1: Propagate vsp1_device_get errors to the callers 2014-07-17 12:44:52 -03:00
vsp1_entity.c [media] v4l: vsp1: Setup control handler automatically at stream on time 2014-07-17 12:44:53 -03:00
vsp1_entity.h [media] v4l: vsp1: Setup control handler automatically at stream on time 2014-07-17 12:44:53 -03:00
vsp1_hsit.c [media] v4l: vsp1: Support multi-input entities 2014-04-23 10:18:36 -03:00
vsp1_hsit.h [media] v4l: vsp1: Add HST and HSI support 2013-12-11 09:22:44 -02:00
vsp1_lif.c [media] v4l: vsp1: Support multi-input entities 2014-04-23 10:18:36 -03:00
vsp1_lif.h [media] v4l: vsp1: Update copyright notice 2014-03-12 10:41:51 -03:00
vsp1_lut.c [media] v4l: vsp1: Support multi-input entities 2014-04-23 10:18:36 -03:00
vsp1_lut.h [media] v4l: vsp1: Add LUT support 2013-12-11 09:25:20 -02:00
vsp1_regs.h [media] v4l: vsp1: sru: Make the intensity controllable during streaming 2014-07-17 12:44:54 -03:00
vsp1_rpf.c [media] v4l: vsp1: uds: Fix scaling of alpha layer 2014-07-17 12:45:00 -03:00
vsp1_rwpf.c [media] v4l: vsp1: Update copyright notice 2014-03-12 10:41:51 -03:00
vsp1_rwpf.h [media] v4l: vsp1: Add V4L2_CID_ALPHA_COMPONENT control support 2014-07-17 12:44:58 -03:00
vsp1_sru.c [media] v4l: vsp1: sru: Make the intensity controllable during streaming 2014-07-17 12:44:54 -03:00
vsp1_sru.h [media] v4l: vsp1: sru: Make the intensity controllable during streaming 2014-07-17 12:44:54 -03:00
vsp1_uds.c [media] v4l: vsp1: uds: Fix scaling of alpha layer 2014-07-17 12:45:00 -03:00
vsp1_uds.h [media] v4l: vsp1: uds: Fix scaling of alpha layer 2014-07-17 12:45:00 -03:00
vsp1_video.c [media] v4l: vsp1: uds: Fix scaling of alpha layer 2014-07-17 12:45:00 -03:00
vsp1_video.h [media] v4l: vsp1: uds: Fix scaling of alpha layer 2014-07-17 12:45:00 -03:00
vsp1_wpf.c [media] v4l: vsp1: Add V4L2_CID_ALPHA_COMPONENT control support 2014-07-17 12:44:58 -03:00