OpenWrt – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | office | 1 | From 24f3ba4a4b4c471ce60d59b73762f37b4bfacde6 Mon Sep 17 00:00:00 2001 |
2 | From: Dave Stevenson <dave.stevenson@raspberrypi.org> |
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3 | Date: Mon, 11 Sep 2017 15:42:07 +0100 |
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4 | Subject: [PATCH 330/454] videodev2: Add helper defines for printing FOURCCs |
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5 | |||
6 | New helper defines that allow printing of a FOURCC using |
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7 | printf(V4L2_FOURCC_CONV, V4L2_FOURCC_CONV_ARGS(fourcc)); |
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8 | |||
9 | Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> |
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10 | --- |
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11 | include/uapi/linux/videodev2.h | 5 +++++ |
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12 | 1 file changed, 5 insertions(+) |
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13 | |||
14 | --- a/include/uapi/linux/videodev2.h |
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15 | +++ b/include/uapi/linux/videodev2.h |
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16 | @@ -82,6 +82,11 @@ |
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17 | ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) |
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18 | #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) |
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19 | |||
20 | +#define V4L2_FOURCC_CONV "%c%c%c%c%s" |
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21 | +#define V4L2_FOURCC_CONV_ARGS(fourcc) \ |
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22 | + (fourcc) & 0x7f, ((fourcc) >> 8) & 0x7f, ((fourcc) >> 16) & 0x7f, \ |
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23 | + ((fourcc) >> 24) & 0x7f, (fourcc) & BIT(31) ? "-BE" : "" |
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24 | + |
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25 | /* |
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26 | * E N U M S |
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27 | */ |