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| author | Måns Rullgård <mans@mansr.com> | 2010-03-09 01:19:28 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2010-03-09 01:19:28 +0000 |
| commit | b90b1b4c3c519d66146cf8a3ae16ba4c245f0a72 (patch) | |
| tree | a5b3019baa6fe58310b78e899695fad724380c23 /libavutil/common.h | |
| parent | 08a186c648c15aabac328996a46797119f7fae76 (diff) | |
Fix build on configurations without fast av_log2()
This is a bit hackish. I will try to think of something nicer, but
this will do for now.
Originally committed as revision 22366 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/common.h')
| -rw-r--r-- | libavutil/common.h | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/libavutil/common.h b/libavutil/common.h index 3f81de4f00..fae0b5b09b 100644 --- a/libavutil/common.h +++ b/libavutil/common.h @@ -36,11 +36,6 @@ #include <string.h> #include "attributes.h" -#ifdef HAVE_AV_CONFIG_H -# include "config.h" -# include "intmath.h" -#endif - //rounded division & shift #define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b)) /* assume b>0 */ @@ -62,8 +57,7 @@ extern const uint8_t ff_log2_tab[256]; extern const uint8_t av_reverse[256]; -#ifndef av_log2 -static inline av_const int av_log2(unsigned int v) +static inline av_const int av_log2_c(unsigned int v) { int n = 0; if (v & 0xffff0000) { @@ -78,10 +72,8 @@ static inline av_const int av_log2(unsigned int v) return n; } -#endif -#ifndef av_log2_16bit -static inline av_const int av_log2_16bit(unsigned int v) +static inline av_const int av_log2_16bit_c(unsigned int v) { int n = 0; if (v & 0xff00) { @@ -92,6 +84,17 @@ static inline av_const int av_log2_16bit(unsigned int v) return n; } + +#ifdef HAVE_AV_CONFIG_H +# include "config.h" +# include "intmath.h" +#endif + +#ifndef av_log2 +# define av_log2 av_log2_c +#endif +#ifndef av_log2_16bit +# define av_log2_16bit av_log2_16bit_c #endif /** |