diff options
| author |   Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2014-05-27 10:12:43 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-07-17 12:44:47 -0300 |
| commit | c96fd46afb34a554406bce9784126b96ad09091e (patch) | |
| tree | 41da27a48407bbd8d8c50d72221ea7f2ad232754 /include/uapi/linux/videodev2.h | |
| parent | [media] v4l: Support extending the v4l2_pix_format structure (diff) | |
| download | linux-dev-c96fd46afb34a554406bce9784126b96ad09091e.tar.xz linux-dev-c96fd46afb34a554406bce9784126b96ad09091e.zip | |
[media] v4l: Add premultiplied alpha flag for pixel formats
When set, the new V4L2_PIX_FMT_FLAG_PREMUL_ALPHA flag indicates that the
pixel values are premultiplied by the alpha channel value.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'include/uapi/linux/videodev2.h')
| -rw-r--r-- | include/uapi/linux/videodev2.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index eb3bdd33816b..b73e8cda7192 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -288,6 +288,7 @@ struct v4l2_pix_format { __u32 sizeimage; __u32 colorspace; /* enum v4l2_colorspace */ __u32 priv; /* private data, depends on pixelformat */ + __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ }; /* Pixel format FOURCC depth Description */ @@ -452,6 +453,9 @@ struct v4l2_pix_format { /* priv field value to indicates that subsequent fields are valid. */ #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe +/* Flags */ +#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 + /* * F O R M A T E N U M E R A T I O N */ @@ -1754,6 +1758,7 @@ struct v4l2_plane_pix_format { * @colorspace: enum v4l2_colorspace; supplemental to pixelformat * @plane_fmt: per-plane information * @num_planes: number of planes for this format + * @flags: format flags (V4L2_PIX_FMT_FLAG_*) */ struct v4l2_pix_format_mplane { __u32 width; @@ -1764,7 +1769,8 @@ struct v4l2_pix_format_mplane { struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; __u8 num_planes; - __u8 reserved[11]; + __u8 flags; + __u8 reserved[10]; } __attribute__ ((packed)); /** |