Define video buffer flags for different timestamp types. Everything up to now have used either realtime clock or monotonic clock, without a way to tell which clock the timestamp was taken from. Also document that the clock source of the timestamp in the timestamp field depends on buffer flags. [mchehab@redhat.com: fix a few wrong references to Kernel 3.8 - as this patch is meant for 3.9] Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
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| @@ -701,6 +701,10 @@ struct v4l2_buffer { · 700 unmodified lines | |||
| 701 | /* Cache handling flags */ | 701 | /* Cache handling flags */ |
| 702 | #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x0800 | 702 | #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x0800 |
| 703 | #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x1000 | 703 | #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x1000 |
| 704 | /* Timestamp type */ | ||
| 705 | #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0xe000 | ||
| 706 | #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x0000 | ||
| 707 | #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x2000 | ||
| 704 | 708 | ||
| 705 | /** | 709 | /** |
| 706 | * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor | 710 | * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor |