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From 107c18830342c69229857f968dff33071d07992d Mon Sep 17 00:00:00 2001
From: Rob Clark <rob@ti.com>
Date: Tue, 14 Sep 2010 07:44:01 -0500
Subject: [PATCH 10/11] v4l2: prefer NV12
All else being equal, the buffer sizes are smaller compared to a 422 format
like YUY2/UYVY.. although ideally rank would come from driver.
---
sys/v4l2/gstv4l2object.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/sys/v4l2/gstv4l2object.c b/sys/v4l2/gstv4l2object.c
index 5e34456..644edcf 100644
--- a/sys/v4l2/gstv4l2object.c
+++ b/sys/v4l2/gstv4l2object.c
@@ -886,6 +886,9 @@ gst_v4l2_object_format_get_rank (const struct v4l2_fmtdesc *fmt)
break;
case V4L2_PIX_FMT_NV12: /* 12 Y/CbCr 4:2:0 */
+ rank = YUV_BASE_RANK + 11;
+ break;
+
case V4L2_PIX_FMT_NV21: /* 12 Y/CrCb 4:2:0 */
case V4L2_PIX_FMT_YYUV: /* 16 YUV 4:2:2 */
case V4L2_PIX_FMT_HI240: /* 8 8-bit color */
--
1.7.1
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