On Wednesday 18 November 2009 23:43:59 m-kariche...@ti.com wrote:
> From: Muralidharan Karicheri <m-kariche...@ti.com>
>
> Some minor updates (comment format) made to previous v3.
>
> This is v3 of the digital video timings APIs implementation.
> This has updates based on comments received against v2 of the patch. Hopefully
> this can be merged to 2.6.33 if there are no more comments.
>
> This adds the above APIs to the v4l2 core. This is based on version v1.2
> of the RFC titled "V4L - Support for video timings at the input/output
> interface"
> Following new ioctls are added:-
>
> - VIDIOC_ENUM_DV_PRESETS
> - VIDIOC_S_DV_PRESET
> - VIDIOC_G_DV_PRESET
> - VIDIOC_QUERY_DV_PRESET
> - VIDIOC_S_DV_TIMINGS
> - VIDIOC_G_DV_TIMINGS
>
> Please refer to the RFC for the details. This code was tested using vpfe
> capture driver on TI's DM365. Following is the test configuration used :-
>
> Blue Ray HD DVD source -> TVP7002 -> DM365 (VPFE) ->DDR
>
> A draft version of the TVP7002 driver (currently being reviewed in the mailing
> list) was used that supports V4L2_DV_1080I60 & V4L2_DV_720P60 presets.
>
> A loopback video capture application was used for testing these APIs. This
> calls
> following IOCTLS :-
>
> - verify the new v4l2_input capabilities flag added
> - Enumerate available presets using VIDIOC_ENUM_DV_PRESETS
> - Set one of the supported preset using VIDIOC_S_DV_PRESET
> - Get current preset using VIDIOC_G_DV_PRESET
> - Detect current preset using VIDIOC_QUERY_DV_PRESET
> - Using stub functions in tvp7002, verify VIDIOC_S_DV_TIMINGS
> and VIDIOC_G_DV_TIMINGS ioctls are received at the sub device.
> - Tested on 64bit platform by Hans Verkuil
>
> TODOs :
>
> - Update v4l2-apps for the new ioctl (will send another patch after
> compilation issue is resolved)
>
> Signed-off-by: Muralidharan Karicheri <m-kariche...@ti.com>
> Signed-off-by: Hans Verkuil <hverk...@xs4all.nl>
I actually had not signed off on this yet, but now I do:
Signed-off-by: Hans Verkuil <hverk...@xs4all.nl>
Thanks!
Hans
> Reviewed-by: Randy Dunlap <randy.dun...@oracle.com>
--
Hans Verkuil - video4linux developer - sponsored by TANDBERG Telecom
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