| Message ID | 1390470000-9072-1-git-send-email-marbugge@cisco.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com> Regards, Hans On 01/23/14 10:40, Martin Bugge wrote: > Round off image width to nearest 8 (GTF_CELL_GRAN) > > A source sending a GTF (Generalized Timing Formula) format have no means of > signalling image width. The assumed aspect ratio may result in an odd image > width but according to the standard image width should be in multiple of 8. > > Cc: Mats Randgaard <matrandg@cisco.com> > Cc: Hans Verkuil <hans.verkuil@cisco.com> > Signed-off-by: Martin Bugge <marbugge@cisco.com> > --- > drivers/media/v4l2-core/v4l2-dv-timings.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c > index ee52b9f4..f7902fe 100644 > --- a/drivers/media/v4l2-core/v4l2-dv-timings.c > +++ b/drivers/media/v4l2-core/v4l2-dv-timings.c > @@ -515,6 +515,7 @@ bool v4l2_detect_gtf(unsigned frame_height, > aspect.denominator = 9; > } > image_width = ((image_height * aspect.numerator) / aspect.denominator); > + image_width = (image_width + GTF_CELL_GRAN/2) & ~(GTF_CELL_GRAN - 1); > > /* Horizontal */ > if (default_gtf) > -- 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/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c index ee52b9f4..f7902fe 100644 --- a/drivers/media/v4l2-core/v4l2-dv-timings.c +++ b/drivers/media/v4l2-core/v4l2-dv-timings.c @@ -515,6 +515,7 @@ bool v4l2_detect_gtf(unsigned frame_height, aspect.denominator = 9; } image_width = ((image_height * aspect.numerator) / aspect.denominator); + image_width = (image_width + GTF_CELL_GRAN/2) & ~(GTF_CELL_GRAN - 1); /* Horizontal */ if (default_gtf)
Round off image width to nearest 8 (GTF_CELL_GRAN) A source sending a GTF (Generalized Timing Formula) format have no means of signalling image width. The assumed aspect ratio may result in an odd image width but according to the standard image width should be in multiple of 8. Cc: Mats Randgaard <matrandg@cisco.com> Cc: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Martin Bugge <marbugge@cisco.com> --- drivers/media/v4l2-core/v4l2-dv-timings.c | 1 + 1 file changed, 1 insertion(+)