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| author | Luca Barbato <lu_zero@gentoo.org> | 2011-09-10 10:23:50 -0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-09-21 18:02:54 +0200 |
| commit | b70a37f854df8b61be2055df352dfec40defce95 (patch) | |
| tree | 15f39f9009bda9ba5d861fe2f9c0b8137af7a263 | |
| parent | 812a4a5813c447e4fdb6b6a46462f1f34f539c51 (diff) | |
| download | ffmpeg-b70a37f854df8b61be2055df352dfec40defce95.tar.gz | |
doc: explain __STDC_CONSTANT_MACROS in C++
In order to build C++ programs using libav you need
-D__STDC_CONSTANT_MACROS appened to the CXXFLAGS.
(cherry picked from commit d162994a81a311a8dd212a50a2d2ad2b088df97f)
| -rw-r--r-- | doc/faq.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/faq.texi b/doc/faq.texi index 225f139b3c..daa4615a3c 100644 --- a/doc/faq.texi +++ b/doc/faq.texi @@ -447,6 +447,11 @@ encompassing your FFmpeg includes using @code{extern "C"}. See @url{http://www.parashift.com/c++-faq-lite/mixing-c-and-cpp.html#faq-32.3} +@section I'm using libavutil from within my C++ application but the compiler complains about 'UINT64_C' was not declared in this scope + +Libav is a pure C project using C99 math features, in order to enable C++ +to use them you have to append -D__STDC_CONSTANT_MACROS to your CXXFLAGS + @section I have a file in memory / a API different from *open/*read/ libc how do I use it with libavformat? You have to implement a URLProtocol, see @file{libavformat/file.c} in |