In function 'int av_clipl_int32_c(int64_t)': error: 'UINT64_C' was not declared in this scope

最新推荐文章于 2024-07-23 17:38:50 发布
转载 最新推荐文章于 2024-07-23 17:38:50 发布 · 235 阅读 · 0
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#ffmpeg

本文介绍在Cygwin环境下使用NDK编译JNI时遇到的一个错误：'UINT64_C'未声明。该问题出现在FFmpeg的libavutil/common.h文件中。文章提供了具体的解决方法，即在头文件中定义UINT64_C宏。

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cygwin下使用ndk编译jni时遇到的错误：

/ffmpeg/include/libavutil/common.h: In function 'int av_clipl_int32_c(int64_t)':

/ffmpeg/include/libavutil/common.h:178:47: error: 'UINT64_C' was not declared in this scope

解决方法：

修改头文件 /ffmpeg/include/libavutil/common.h

添加如下代码：

#ifndef UINT64_C
#define UINT64_C(value) __CONCAT(value, ULL)
#endif

 

参考：

http://www.cnblogs.com/dyllove98/archive/2013/06/07/3125111.html

 

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