From: caifan via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: caifan <code@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH] libavcodec/v4l2_buffers.c:warning: "USEC_PER_SEC" redefined (PR #20430)
Message-ID: <175697861597.25.8679570625825951240@463a07221176> (raw)
PR #20430 opened by caifan
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20430
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20430.patch
CC: ffmpeg/libavcodec/v4l2_buffers.c ffmpeg/libavcodec/v4l2_buffers.c:37: warning: "USEC_PER_SEC" redefined
37 | #define USEC_PER_SEC 1000000
Signed-off-by: caifan3 <caifan3@xiaomi.com>
>From d8c139cb83848440ae69408eb05f4517a2afd728 Mon Sep 17 00:00:00 2001
From: caifan3 <caifan3@xiaomi.com>
Date: Thu, 4 Sep 2025 17:31:38 +0800
Subject: [PATCH] libavcodec/v4l2_buffers.c:warning: "USEC_PER_SEC" redefined
Signed-off-by: caifan3 <caifan3@xiaomi.com>
---
libavcodec/v4l2_buffers.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavcodec/v4l2_buffers.c b/libavcodec/v4l2_buffers.c
index 7f597a424a..d869ce9e77 100644
--- a/libavcodec/v4l2_buffers.c
+++ b/libavcodec/v4l2_buffers.c
@@ -34,7 +34,10 @@
#include "v4l2_buffers.h"
#include "v4l2_m2m.h"
+#ifndef USEC_PER_SEC
#define USEC_PER_SEC 1000000
+#endif
+
static AVRational v4l2_timebase = { 1, USEC_PER_SEC };
static inline V4L2m2mContext *buf_to_m2mctx(V4L2Buffer *buf)
--
2.49.1
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