| Message ID | 1359030907-9883-2-git-send-email-k.debski@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu 24 January 2013 13:35:05 Kamil Debski wrote: > Define video buffer flag for the COPY timestamp. In this case the timestamp > value is copied from the OUTPUT to the corresponding CAPTURE buffer. > > Signed-off-by: Kamil Debski <k.debski@samsung.com> > Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> > --- > Documentation/DocBook/media/v4l/io.xml | 6 ++++++ > include/uapi/linux/videodev2.h | 1 + > 2 files changed, 7 insertions(+) > > diff --git a/Documentation/DocBook/media/v4l/io.xml b/Documentation/DocBook/media/v4l/io.xml > index 73f202f..fdd1822 100644 > --- a/Documentation/DocBook/media/v4l/io.xml > +++ b/Documentation/DocBook/media/v4l/io.xml > @@ -1145,6 +1145,12 @@ in which case caches have not been used.</entry> > same clock outside V4L2, use > <function>clock_gettime(2)</function> .</entry> > </row> > + <row> > + <entry><constant>V4L2_BUF_FLAG_TIMESTAMP_COPY</constant></entry> > + <entry>0x4000</entry> > + <entry>The CAPTURE buffer timestamp has been taken from the > + corresponding OUTPUT buffer.</entry> > + </row> I think I mentioned it before somewhere, but it is helpful if it is mentioned here that this only applies to mem2mem devices. Regards, Hans > </tbody> > </tgroup> > </table> > diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h > index 72e9921..d5a59af 100644 > --- a/include/uapi/linux/videodev2.h > +++ b/include/uapi/linux/videodev2.h > @@ -697,6 +697,7 @@ struct v4l2_buffer { > #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0xe000 > #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x0000 > #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x2000 > +#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x4000 > > /** > * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi, > From: Hans Verkuil [mailto:hverkuil@xs4all.nl] > Sent: Thursday, January 24, 2013 1:51 PM > > On Thu 24 January 2013 13:35:05 Kamil Debski wrote: > > Define video buffer flag for the COPY timestamp. In this case the > > timestamp value is copied from the OUTPUT to the corresponding > CAPTURE buffer. > > > > Signed-off-by: Kamil Debski <k.debski@samsung.com> > > Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> > > --- > > Documentation/DocBook/media/v4l/io.xml | 6 ++++++ > > include/uapi/linux/videodev2.h | 1 + > > 2 files changed, 7 insertions(+) > > > > diff --git a/Documentation/DocBook/media/v4l/io.xml > > b/Documentation/DocBook/media/v4l/io.xml > > index 73f202f..fdd1822 100644 > > --- a/Documentation/DocBook/media/v4l/io.xml > > +++ b/Documentation/DocBook/media/v4l/io.xml > > @@ -1145,6 +1145,12 @@ in which case caches have not been > used.</entry> > > same clock outside V4L2, use > > <function>clock_gettime(2)</function> .</entry> > > </row> > > + <row> > > + > <entry><constant>V4L2_BUF_FLAG_TIMESTAMP_COPY</constant></entry> > > + <entry>0x4000</entry> > > + <entry>The CAPTURE buffer timestamp has been taken from the > > + corresponding OUTPUT buffer.</entry> > > + </row> > > I think I mentioned it before somewhere, but it is helpful if it is > mentioned here that this only applies to mem2mem devices. Ok, will do. Best wishes, Kamil > Regards, > > Hans > > > </tbody> > > </tgroup> > > </table> > > diff --git a/include/uapi/linux/videodev2.h > > b/include/uapi/linux/videodev2.h index 72e9921..d5a59af 100644 > > --- a/include/uapi/linux/videodev2.h > > +++ b/include/uapi/linux/videodev2.h > > @@ -697,6 +697,7 @@ struct v4l2_buffer { > > #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0xe000 > > #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x0000 > > #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x2000 > > +#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x4000 > > > > /** > > * struct v4l2_exportbuffer - export of video buffer as DMABUF file > > descriptor > > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/DocBook/media/v4l/io.xml b/Documentation/DocBook/media/v4l/io.xml index 73f202f..fdd1822 100644 --- a/Documentation/DocBook/media/v4l/io.xml +++ b/Documentation/DocBook/media/v4l/io.xml @@ -1145,6 +1145,12 @@ in which case caches have not been used.</entry> same clock outside V4L2, use <function>clock_gettime(2)</function> .</entry> </row> + <row> + <entry><constant>V4L2_BUF_FLAG_TIMESTAMP_COPY</constant></entry> + <entry>0x4000</entry> + <entry>The CAPTURE buffer timestamp has been taken from the + corresponding OUTPUT buffer.</entry> + </row> </tbody> </tgroup> </table> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 72e9921..d5a59af 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -697,6 +697,7 @@ struct v4l2_buffer { #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0xe000 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x0000 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x2000 +#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x4000 /** * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor