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videoio: fix V4L compilation for older kernels

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This commit is contained in:
Maksim Shabunin 2023-08-01 14:11:14 +03:00
parent e0e537d94e
commit 9fc83ac544
2 changed files with 7 additions and 0 deletions
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4
modules/videoio/src/cap_v4l.cpp
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@ -260,6 +260,10 @@ typedef uint32_t __u32;
#define V4L2_CID_IRIS_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+17)
#endif
#ifndef v4l2_fourcc_be
#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31))
#endif
#ifndef V4L2_PIX_FMT_Y10
#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ')
#endif

3
modules/videoio/test/test_v4l2.cpp
View File

@ -22,6 +22,9 @@
#include <linux/videodev2.h>
// workarounds for older versions
#ifndef v4l2_fourcc_be
#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31))
#endif
#ifndef V4L2_PIX_FMT_Y10
#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ')
#endif