@@ -40,7 +40,7 @@

 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)

 #define LIBAVUTIL_VERSION_MAJOR 50

-#define LIBAVUTIL_VERSION_MINOR 26

+#define LIBAVUTIL_VERSION_MINOR 27

 #define LIBAVUTIL_VERSION_MICRO  0

 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

@@ -192,6 +192,20 @@ static inline av_const int av_ceil_log2_c(int x)

     return av_log2((x - 1) << 1);

 }

+/**

+ * Count number of bits set to one in x

+ * @param x value to count bits of

+ * @return the number of bits set to one in x

+ */

+static inline av_const int av_popcount_c(uint32_t x)

+{

+    x -= (x >> 1) & 0x55555555;

+    x = (x & 0x33333333) + ((x >> 2) & 0x33333333);

+    x = (x + (x >> 4)) & 0x0F0F0F0F;

+    x += x >> 8;

+    return (x + (x >> 16)) & 0x3F;

+}

+

 #define MKTAG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))

 #define MKBETAG(a,b,c,d) ((d) | ((c) << 8) | ((b) << 16) | ((a) << 24))

@@ -351,3 +365,6 @@ static inline av_const int av_ceil_log2_c(int x)

 #ifndef av_clipf

 #   define av_clipf         av_clipf_c

 #endif

+#ifndef av_popcount

+#   define av_popcount      av_popcount_c

+#endif