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authorJames Almer <jamrial@gmail.com>2016-01-07 19:59:03 -0300
committerJames Almer <jamrial@gmail.com>2016-01-07 20:04:24 -0300
commit28d5a3a74aee33786673925a46a310c773e94748 (patch)
tree7aefda60e72e310798accd4f9ccda8a9218de686 /libavutil/common.h
parenta1136ca973e3b216804d05bbf64fcc19ad0f14da (diff)
lavu: rename and move ff_parity to av_parity
av_popcount is not defined in intmath.h. Reviewed-by: ubitux Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavutil/common.h')
-rw-r--r--libavutil/common.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/libavutil/common.h b/libavutil/common.h
index 9ac04daf95..f3276a2369 100644
--- a/libavutil/common.h
+++ b/libavutil/common.h
@@ -331,6 +331,11 @@ static av_always_inline av_const int av_popcount64_c(uint64_t x)
return av_popcount((uint32_t)x) + av_popcount((uint32_t)(x >> 32));
}
+static av_always_inline av_const int av_parity_c(uint32_t v)
+{
+ return av_popcount(v) & 1;
+}
+
#define MKTAG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((unsigned)(d) << 24))
#define MKBETAG(a,b,c,d) ((d) | ((c) << 8) | ((b) << 16) | ((unsigned)(a) << 24))
@@ -517,3 +522,6 @@ static av_always_inline av_const int av_popcount64_c(uint64_t x)
#ifndef av_popcount64
# define av_popcount64 av_popcount64_c
#endif
+#ifndef av_parity
+# define av_parity av_parity_c
+#endif