1 files changed, 0 insertions, 122 deletions
diff --git a/contrib/ffmpeg/libavutil/softfloat.h b/contrib/ffmpeg/libavutil/softfloat.h
deleted file mode 100644
index 5bb2c1cbc..000000000
--- a/contrib/ffmpeg/libavutil/softfloat.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#define MIN_EXP -126
-#define MAX_EXP  126
-#define ONE_BITS 29
-
-typedef struct SoftFloat{
-    int32_t  exp;
-    int32_t mant;
-}SoftFloat;
-
-static SoftFloat av_normalize_sf(SoftFloat a){
-    if(a.mant){
-#if 1
-        while((a.mant + 0x20000000U)<0x40000000U){
-            a.mant += a.mant;
-            a.exp  -= 1;
-        }
-#else
-        int s=ONE_BITS + 1 - av_log2(a.mant ^ (a.mant<<1));
-        a.exp   -= s;
-        a.mant <<= s;
-#endif
-        if(a.exp < MIN_EXP){
-            a.exp = MIN_EXP;
-            a.mant= 0;
-        }
-    }else{
-        a.exp= MIN_EXP;
-    }
-    return a;
-}
-
-static inline SoftFloat av_normalize1_sf(SoftFloat a){
-#if 1
-    if(a.mant + 0x40000000 < 0){
-        a.exp++;
-        a.mant>>=1;
-    }
-    return a;
-#elif 1
-    int t= a.mant + 0x40000000 < 0;
-    return (SoftFloat){a.exp+t, a.mant>>t};
-#else
-    int t= (a.mant + 0x40000000U)>>31;
-    return (SoftFloat){a.exp+t, a.mant>>t};
-#endif
-}
-
-/**
- *
- * @return will not be more denormalized then a+b, so if either input is
- *         normalized then the output wont be worse then the other input
- *         if both are normalized then the output will be normalized
- */
-static inline SoftFloat av_mul_sf(SoftFloat a, SoftFloat b){
-    a.exp += b.exp;
-    a.mant = (a.mant * (int64_t)b.mant) >> ONE_BITS;
-    return av_normalize1_sf(a);
-}
-
-/**
- *
- * b has to be normalized and not zero
- * @return will not be more denormalized then a
- */
-static SoftFloat av_div_sf(SoftFloat a, SoftFloat b){
-    a.exp -= b.exp+1;
-    a.mant = ((int64_t)a.mant<<(ONE_BITS+1)) / b.mant;
-    return av_normalize1_sf(a);
-}
-
-static inline int av_cmp_sf(SoftFloat a, SoftFloat b){
-    int t= a.exp - b.exp;
-    if(t<0) return (a.mant >> (-t)) -  b.mant      ;
-    else    return  a.mant          - (b.mant >> t);
-}
-
-static inline SoftFloat av_add_sf(SoftFloat a, SoftFloat b){
-    int t= a.exp - b.exp;
-    if(t<0) return av_normalize1_sf((SoftFloat){b.exp, b.mant + (a.mant >> (-t))});
-    else    return av_normalize1_sf((SoftFloat){a.exp, a.mant + (b.mant >>   t )});
-}
-
-static inline SoftFloat av_sub_sf(SoftFloat a, SoftFloat b){
-    return av_add_sf(a, (SoftFloat){b.exp, -b.mant});
-}
-
-//FIXME sqrt, log, exp, pow, sin, cos
-
-static inline SoftFloat av_int2sf(int v, int frac_bits){
-    return av_normalize_sf((SoftFloat){ONE_BITS-frac_bits, v});
-}
-
-/**
- *
- * rounding is to -inf
- */
-static inline int av_sf2int(SoftFloat v, int frac_bits){
-    v.exp += frac_bits - ONE_BITS;
-    if(v.exp >= 0) return v.mant <<  v.exp ;
-    else           return v.mant >>(-v.exp);
-}