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| author | Alexander Strange <astrange@ithinksw.com> | 2011-02-07 21:15:44 -0500 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2011-02-09 09:17:28 -0500 |
| commit | 37b00b47cbeecd66bb34c5c7c534d016d6e8da24 (patch) | |
| tree | dce47f2343f8a0f0f73e09a787aa92f255f9aa0f /libavutil/internal.h | |
| parent | c2bd7578af069206831a9c25fa68c9bbd5004619 (diff) | |
| download | ffmpeg-37b00b47cbeecd66bb34c5c7c534d016d6e8da24.tar.gz | |
Frame-based multithreading framework using pthreads
See doc/multithreading.txt for details on use in codecs.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Diffstat (limited to 'libavutil/internal.h')
| -rw-r--r-- | libavutil/internal.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libavutil/internal.h b/libavutil/internal.h index 36d3e719f6..4c98a1299f 100644 --- a/libavutil/internal.h +++ b/libavutil/internal.h @@ -210,4 +210,15 @@ type ff_##name args #endif +/** + * Returns NULL if a threading library has not been enabled. + * Used to disable threading functions in AVCodec definitions + * when not needed. + */ +#if HAVE_THREADS +# define ONLY_IF_THREADS_ENABLED(x) x +#else +# define ONLY_IF_THREADS_ENABLED(x) NULL +#endif + #endif /* AVUTIL_INTERNAL_H */ |