GCC Does not explicitly include stdint. This update includes them where needed.
A very minor change that would allow GCC13 and above to compile
correctly. In newer versions, cstdint is not implicitly included, hence
it errors out during compilation for some files.
* feat: remove using namespace mediakit in header files.
(cherry picked from commit d44aeb339a8a0e1f0455be82b21fe4b1b536299f)
* feat: remove using namespace mediakit in FFmpegSource.h
* feat: remove using namespace mediakit in RtpExt.h
* feat: remove using namespace mediakit in header files.
* feat: remove using namespace std in header files.
* feat: remove using namespace std in header files when zltoolkit remove std in header
* 补充命名空间
* 整理命名空间
* 整理命名空间2
* 修复macos ci
* 修复编译问题
* 修复编译问题2
* 修复编译问题3
Co-authored-by: Johnny <hellojinqiang@gmail.com>
Co-authored-by: Xiaofeng Wang <wasphin@gmail.com>
