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lavu: add av_clipd_c

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-04-18 13:26:23 +00:00
parent 5ae484e350
commit 3e9c0217fd
2 changed files with 21 additions and 1 deletions
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20
libavutil/common.h
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@ -229,6 +229,23 @@ static av_always_inline av_const float av_clipf_c(float a, float amin, float ama
else return a;
}
/**
* Clip a double value into the amin-amax range.
* @param a value to clip
* @param amin minimum value of the clip range
* @param amax maximum value of the clip range
* @return clipped value
*/
static av_always_inline av_const double av_clipd_c(double a, double amin, double amax)
{
#if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2
if (amin > amax) abort();
#endif
if (a < amin) return amin;
else if (a > amax) return amax;
else return a;
}
/** Compute ceil(log2(x)).
* @param x value used to compute ceil(log2(x))
* @return computed ceiling of log2(x)
@ -428,6 +445,9 @@ static av_always_inline av_const int av_popcount64_c(uint64_t x)
#ifndef av_clipf
# define av_clipf av_clipf_c
#endif
#ifndef av_clipd
# define av_clipd av_clipd_c
#endif
#ifndef av_popcount
# define av_popcount av_popcount_c
#endif

2
libavutil/version.h
View File

@ -75,7 +75,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 52
#define LIBAVUTIL_VERSION_MINOR 26
#define LIBAVUTIL_VERSION_MINOR 27
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \