You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
28 lines
978 B
28 lines
978 B
6 years ago
|
From 24f3ba4a4b4c471ce60d59b73762f37b4bfacde6 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
|
||
|
|
Date: Mon, 11 Sep 2017 15:42:07 +0100
|
||
|
|
Subject: [PATCH 330/454] videodev2: Add helper defines for printing FOURCCs
|
||
|
|
|
||
|
|
New helper defines that allow printing of a FOURCC using
|
||
|
|
printf(V4L2_FOURCC_CONV, V4L2_FOURCC_CONV_ARGS(fourcc));
|
||
|
|
|
||
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
|
||
|
|
---
|
||
|
|
include/uapi/linux/videodev2.h | 5 +++++
|
||
|
|
1 file changed, 5 insertions(+)
|
||
|
|
|
||
|
|
--- a/include/uapi/linux/videodev2.h
|
||
|
|
+++ b/include/uapi/linux/videodev2.h
|
||
|
|
@@ -82,6 +82,11 @@
|
||
|
|
((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
|
||
|
|
#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
|
||
|
|
|
||
|
|
+#define V4L2_FOURCC_CONV "%c%c%c%c%s"
|
||
|
|
+#define V4L2_FOURCC_CONV_ARGS(fourcc) \
|
||
|
|
+ (fourcc) & 0x7f, ((fourcc) >> 8) & 0x7f, ((fourcc) >> 16) & 0x7f, \
|
||
|
|
+ ((fourcc) >> 24) & 0x7f, (fourcc) & BIT(31) ? "-BE" : ""
|
||
|
|
+
|
||
|
|
/*
|
||
|
|
* E N U M S
|
||
|
|
*/
|