From: Steve Longerbeam <slongerbeam@gmail.com>
To: linux-media@vger.kernel.org
Cc: Steve Longerbeam <slongerbeam@gmail.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v8 01/11] media: videodev2.h: Add more field helper macros
Date: Wed, 9 Jan 2019 10:30:04 -0800 [thread overview]
Message-ID: <20190109183014.20466-2-slongerbeam@gmail.com> (raw)
In-Reply-To: <20190109183014.20466-1-slongerbeam@gmail.com>
Adds two helper macros:
V4L2_FIELD_IS_SEQUENTIAL: returns true if the given field type is
'sequential', that is a full frame is transmitted, or exists in
memory, as all top field lines followed by all bottom field lines,
or vice-versa.
V4L2_FIELD_IS_INTERLACED: returns true if the given field type is
'interlaced', that is a full frame is transmitted, or exists in
memory, as top field lines interlaced with bottom field lines.
Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
---
Changes since v3:
- none
Changes since v2:
- none
Changes since v1:
- add the complement macro V4L2_FIELD_IS_INTERLACED
- remove V4L2_FIELD_ALTERNATE from V4L2_FIELD_IS_SEQUENTIAL macro.
- moved new macros past end of existing V4L2_FIELD_HAS_* macros.
---
include/uapi/linux/videodev2.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index d6eed479c3a6..bca07d35ea09 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -130,6 +130,13 @@ enum v4l2_field {
((field) == V4L2_FIELD_BOTTOM ||\
(field) == V4L2_FIELD_TOP ||\
(field) == V4L2_FIELD_ALTERNATE)
+#define V4L2_FIELD_IS_INTERLACED(field) \
+ ((field) == V4L2_FIELD_INTERLACED ||\
+ (field) == V4L2_FIELD_INTERLACED_TB ||\
+ (field) == V4L2_FIELD_INTERLACED_BT)
+#define V4L2_FIELD_IS_SEQUENTIAL(field) \
+ ((field) == V4L2_FIELD_SEQ_TB ||\
+ (field) == V4L2_FIELD_SEQ_BT)
enum v4l2_buf_type {
V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
--
2.17.1
next prev parent reply other threads:[~2019-01-09 18:30 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-09 18:30 [PATCH v8 00/11] imx-media: Fixes for interlaced capture Steve Longerbeam
2019-01-09 18:30 ` Steve Longerbeam [this message]
2019-01-09 18:30 ` [PATCH v8 02/11] gpu: ipu-csi: Swap fields according to input/output field types Steve Longerbeam
2019-01-09 18:30 ` [PATCH v8 03/11] gpu: ipu-v3: Add planar support to interlaced scan Steve Longerbeam
2019-01-09 18:30 ` [PATCH v8 04/11] media: imx: Fix field negotiation Steve Longerbeam
2019-01-09 18:30 ` [PATCH v8 05/11] media: imx-csi: Double crop height for alternate fields at sink Steve Longerbeam
2019-01-09 18:30 ` [PATCH v8 06/11] media: imx: interweave and odd-chroma-row skip are incompatible Steve Longerbeam
2019-01-09 18:30 ` [PATCH v8 07/11] media: imx-csi: Allow skipping odd chroma rows for YVU420 Steve Longerbeam
2019-01-09 18:30 ` [PATCH v8 08/11] media: imx: vdic: rely on VDIC for correct field order Steve Longerbeam
2019-01-09 18:30 ` [PATCH v8 09/11] media: imx-csi: Move crop/compose reset after filling default mbus fields Steve Longerbeam
2019-01-09 18:30 ` [PATCH v8 10/11] media: imx: Allow interweave with top/bottom lines swapped Steve Longerbeam
2019-01-09 18:30 ` [PATCH v8 11/11] media: imx.rst: Update doc to reflect fixes to interlaced capture Steve Longerbeam
2019-01-15 21:58 ` Tim Harvey
2019-01-15 23:54 ` Steve Longerbeam
2019-01-15 23:59 ` Steve Longerbeam
2019-01-21 20:24 ` Tim Harvey
2019-01-22 19:51 ` Tim Harvey
2019-01-23 0:24 ` Steve Longerbeam
2019-01-23 0:08 ` Steve Longerbeam
2019-01-23 22:04 ` Tim Harvey
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