Hi Hans, On Friday 25 Mar 2016 13:44:27 Hans Verkuil wrote: > On 03/25/2016 11:43 AM, Laurent Pinchart wrote: > > Add composer, format converter and scaler functions, as well as generic > > video processing to be used when no other processing function is > > applicable. > > > > Signed-off-by: Laurent Pinchart > > <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> > > --- > > > > Documentation/DocBook/media/v4l/media-types.xml | 34 ++++++++++++++++++++ > > include/uapi/linux/media.h | 8 ++++++ > > 2 files changed, 42 insertions(+) > > > > diff --git a/Documentation/DocBook/media/v4l/media-types.xml > > b/Documentation/DocBook/media/v4l/media-types.xml index > > 5e3f20fdcf17..a6e171e80bce 100644 > > --- a/Documentation/DocBook/media/v4l/media-types.xml > > +++ b/Documentation/DocBook/media/v4l/media-types.xml > > @@ -121,6 +121,40 @@ > > > > <entry><constant>MEDIA_ENT_F_AUDIO_MIXER</constant></entry> > > <entry>Audio Mixer Function Entity.</entry> > > > > </row> > > > > + <row> > > + <entry><constant>MEDIA_ENT_F_PROC_VIDEO_GENERIC</constant></entry> > > + <entry>Generic video processing, when no other processing function > > + is applicable. > > + </entry> > > Does someone in this patch series use this one? If not, then just drop it. > And if there is one, which patch is it? Yes, I have three entities using this, two look up tables (1D and 3D) and an entity handling the interface between the VSP and the display device. > > + <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 > > + mean. > > s/mean/means/ Will fix, thanks. > > + </entry> > > + </row> > > + </row> > > + <entry><constant>MEDIA_ENT_F_PROC_VIDEO_CONVERTER</constant></entry> > > + <entry>Video format converter. An entity capable of video format > > + conversion must have at least one sink pad and one source > > + pad, and convert the format of pixels received on its sink > > + pad(s) to a different format output on its source pad(s). > > + </entry> > > Does this cover a de-interlacer? Deinterlacing and pixel format conversion seem to be different concepts to me, I wouldn't include deinterlacers here. > > + </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 scaling 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. > > + </entry> > > + </row> > > > > </tbody> > > > > </tgroup> > > > > </table> > > Regards, > > Hans > > > diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h > > index df59edee25d1..884ec1cae09d 100644 > > --- a/include/uapi/linux/media.h > > +++ b/include/uapi/linux/media.h > > @@ -95,6 +95,14 @@ struct media_device_info { > > > > #define MEDIA_ENT_F_AUDIO_MIXER (MEDIA_ENT_F_BASE + 0x03003) > > > > /* > > > > + * Processing entities > > + */ > > +#define MEDIA_ENT_F_PROC_VIDEO_GENERIC (MEDIA_ENT_F_BASE + 0x4001) > > +#define MEDIA_ENT_F_PROC_VIDEO_COMPOSER (MEDIA_ENT_F_BASE + 0x4002) > > +#define MEDIA_ENT_F_PROC_VIDEO_CONVERTER (MEDIA_ENT_F_BASE + 0x4003) > > +#define MEDIA_ENT_F_PROC_VIDEO_SCALER (MEDIA_ENT_F_BASE + 0x4004) > > + > > +/* > > > > * Connectors > > */ > > > > /* It is a responsibility of the entity drivers to add connectors and > > links */ -- Regards, Laurent Pinchart