Merge commit 'd15c21e5fa3961f10026da1a3080a3aa3cf4cec9'

[ffmpeg.git] / libavutil / common.h

diff --git a/libavutil/common.h b/libavutil/common.h
index 9ed6f11..c2a54c4 100644 (file)
--- a/libavutil/common.h
+++ b/libavutil/common.h
@@ -64,7 +64,6 @@
 #define FFALIGN(x, a) (((x)+(a)-1)&~((a)-1))
 
 /* misc math functions */
-extern const uint8_t ff_log2_tab[256];
 
 /**
  * Reverse the order of the bits of an 8-bits unsigned integer.
@@ -73,34 +72,6 @@ extern const uint8_t ff_log2_tab[256];
 extern attribute_deprecated const uint8_t av_reverse[256];
 #endif
 
-static av_always_inline av_const int av_log2_c(unsigned int v)
-{
-    int n = 0;
-    if (v & 0xffff0000) {
-        v >>= 16;
-        n += 16;
-    }
-    if (v & 0xff00) {
-        v >>= 8;
-        n += 8;
-    }
-    n += ff_log2_tab[v];
-
-    return n;
-}
-
-static av_always_inline av_const int av_log2_16bit_c(unsigned int v)
-{
-    int n = 0;
-    if (v & 0xff00) {
-        v >>= 8;
-        n += 8;
-    }
-    n += ff_log2_tab[v];
-
-    return n;
-}
-
 #ifdef HAVE_AV_CONFIG_H
 #   include "config.h"
 #   include "intmath.h"
@@ -109,6 +80,14 @@ static av_always_inline av_const int av_log2_16bit_c(unsigned int v)
 /* Pull in unguarded fallback defines at the end of this file. */
 #include "common.h"
 
+#ifndef av_log2
+av_const int av_log2(unsigned v);
+#endif
+
+#ifndef av_log2_16bit
+av_const int av_log2_16bit(unsigned v);
+#endif
+
 /**
  * Clip a signed integer value into the amin-amax range.
  * @param a value to clip
@@ -390,12 +369,6 @@ static av_always_inline av_const int av_popcount64_c(uint64_t x)
  * to ensure they are immediately available in intmath.h.
  */
 
-#ifndef av_log2
-#   define av_log2       av_log2_c
-#endif
-#ifndef av_log2_16bit
-#   define av_log2_16bit av_log2_16bit_c
-#endif
 #ifndef av_ceil_log2
 #   define av_ceil_log2     av_ceil_log2_c
 #endif