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authorwm4 <wm4@nowhere>2019-06-07 13:33:47 +0200
committerwm4 <wm4@nowhere>2019-09-19 20:37:05 +0200
commit46247df6e55bf9a93588c5adfdc553c1d189b2fc (patch)
tree0f4e7aa80fcc5b27fa07971196bc6f1300ccd681
parent7c356ee83690138060a20b733c7ab1bbc9cef037 (diff)
downloadmpv-46247df6e55bf9a93588c5adfdc553c1d189b2fc.tar.bz2
mpv-46247df6e55bf9a93588c5adfdc553c1d189b2fc.tar.xz
common: add MP_IS_ALIGNED macro
-rw-r--r--common/common.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/common/common.h b/common/common.h
index de4c751baf..f5392fc575 100644
--- a/common/common.h
+++ b/common/common.h
@@ -43,6 +43,7 @@
// align must be a power of two (align >= 1), x >= 0
#define MP_ALIGN_UP(x, align) (((x) + (align) - 1) & ~((align) - 1))
#define MP_ALIGN_DOWN(x, align) ((x) & ~((align) - 1))
+#define MP_IS_ALIGNED(x, align) (!((x) & ((align) - 1)))
// Return "a", or if that is NOPTS, return "def".
#define MP_PTS_OR_DEF(a, def) ((a) == MP_NOPTS_VALUE ? (def) : (a))