From ab3d17cd44625a762fc10f0f1fd8f2c46b980aff Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期二, 26 四月 2022 11:42:19 +0800
Subject: [PATCH] capture use cpu and add arm version

---
 csrc/thirdparty/ffmpeg/include/libavutil/file.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/csrc/thirdparty/ffmpeg/include/libavutil/file.h b/csrc/thirdparty/ffmpeg/include/libavutil/file.h
index 8666c7b..3ef4a60 100644
--- a/csrc/thirdparty/ffmpeg/include/libavutil/file.h
+++ b/csrc/thirdparty/ffmpeg/include/libavutil/file.h
@@ -33,6 +33,8 @@
  * allocated buffer or map it with mmap() when available.
  * In case of success set *bufptr to the read or mmapped buffer, and
  * *size to the size in bytes of the buffer in *bufptr.
+ * Unlike mmap this function succeeds with zero sized files, in this
+ * case *bufptr will be set to NULL and *size will be set to 0.
  * The returned buffer must be released with av_file_unmap().
  *
  * @param log_offset loglevel offset used for logging

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