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| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2016-02-15 22:00:30 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-06-28 12:05:52 -0300 |
| commit | 1179aab13db3c6251484afe492c8dbd869ca8b05 (patch) | |
| tree | 60bbfb02fd8d8e599c68c92c09d560d0668f8f66 /Documentation/DocBook/media/v4l | |
| parent | 67a706f3ebde90416b45257cf4b23f3d9db97670 (diff) | |
| download | linux-stable-1179aab13db3c6251484afe492c8dbd869ca8b05.tar.gz linux-stable-1179aab13db3c6251484afe492c8dbd869ca8b05.tar.bz2 linux-stable-1179aab13db3c6251484afe492c8dbd869ca8b05.zip | |
[media] media: Add video processing entity functions
Add composer, pixel formatter, pixel encoding converter and scaler
functions.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/DocBook/media/v4l')
| -rw-r--r-- | Documentation/DocBook/media/v4l/media-types.xml | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/media-types.xml b/Documentation/DocBook/media/v4l/media-types.xml index 5e3f20fdcf17..60fe841f8846 100644 --- a/Documentation/DocBook/media/v4l/media-types.xml +++ b/Documentation/DocBook/media/v4l/media-types.xml @@ -121,6 +121,61 @@ <entry><constant>MEDIA_ENT_F_AUDIO_MIXER</constant></entry> <entry>Audio Mixer Function Entity.</entry> </row> + <row> + <entry><constant>MEDIA_ENT_F_PROC_VIDEO_COMPOSER</constant></entry> + <entry>Video composer (blender). An entity capable of video + composing must have at least two sink pads and one source + pad, and composes input video frames onto output video + frames. Composition can be performed using alpha blending, + color keying, raster operations (ROP), stitching or any other + means. + </entry> + </row> + <row> + <entry><constant>MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER</constant></entry> + <entry>Video pixel formatter. An entity capable of pixel formatting + must have at least one sink pad and one source pad. Read + pixel formatters read pixels from memory and perform a subset + of unpacking, cropping, color keying, alpha multiplication + and pixel encoding conversion. Write pixel formatters perform + a subset of dithering, pixel encoding conversion and packing + and write pixels to memory. + </entry> + </row> + <row> + <entry><constant>MEDIA_ENT_F_PROC_VIDEO_PIXEL_ENC_CONV</constant></entry> + <entry>Video pixel encoding converter. An entity capable of pixel + enconding conversion must have at least one sink pad and one + source pad, and convert the encoding of pixels received on + its sink pad(s) to a different encoding output on its source + pad(s). Pixel encoding conversion includes but isn't limited + to RGB to/from HSV, RGB to/from YUV and CFA (Bayer) to RGB + conversions. + </entry> + </row> + <row> + <entry><constant>MEDIA_ENT_F_PROC_VIDEO_LUT</constant></entry> + <entry>Video look-up table. An entity capable of video lookup table + processing must have one sink pad and one source pad. It uses + the values of the pixels received on its sink pad to look up + entries in internal tables and output them on its source pad. + The lookup processing can be performed on all components + separately or combine them for multi-dimensional table + lookups. + </entry> + </row> + <row> + <entry><constant>MEDIA_ENT_F_PROC_VIDEO_SCALER</constant></entry> + <entry>Video scaler. An entity capable of video scaling must have + at least one sink pad and one source pad, and scale the + video frame(s) received on its sink pad(s) to a different + resolution output on its source pad(s). The range of + supported scaling ratios is entity-specific and can differ + between the horizontal and vertical directions (in particular + scaling can be supported in one direction only). Binning and + skipping are considered as scaling. + </entry> + </row> </tbody> </tgroup> </table> |