rtp: Make sure the output format pointer is set

[ffmpeg] / libavutil / intfloat_readwrite.c

diff --git a/libavutil/intfloat_readwrite.c b/libavutil/intfloat_readwrite.c
index c138cf47414e169aaa5a3a15079fef37a7b1b4eb..68385635efffbb61b47364dbc37ece92ab310d74 100644 (file)
--- a/libavutil/intfloat_readwrite.c
+++ b/libavutil/intfloat_readwrite.c
@@ -3,40 +3,41 @@
  *
  * Copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file intfloat_readwrite.c
+ * @file
  * portable IEEE float/double read/write functions
  */
 
-#include "common.h"
+#include <stdint.h>
+#include "mathematics.h"
 #include "intfloat_readwrite.h"
 
 double av_int2dbl(int64_t v){
-    if(v+v > 0xFFEULL<<52)
-        return 0.0/0.0;
+    if((uint64_t)v+v > 0xFFEULL<<52)
+        return NAN;
     return ldexp(((v&((1LL<<52)-1)) + (1LL<<52)) * (v>>63|1), (v>>52&0x7FF)-1075);
 }
 
 float av_int2flt(int32_t v){
-    if(v+v > 0xFF000000U)
-        return 0.0/0.0;
+    if((uint32_t)v+v > 0xFF000000U)
+        return NAN;
     return ldexp(((v&0x7FFFFF) + (1<<23)) * (v>>31|1), (v>>23&0xFF)-150);
 }
 
@@ -48,7 +49,7 @@ double av_ext2dbl(const AVExtFloat ext){
         m = (m<<8) + ext.mantissa[i];
     e = (((int)ext.exponent[0]&0x7f)<<8) | ext.exponent[1];
     if (e == 0x7fff && m)
-        return 0.0/0.0;
+        return NAN;
     e -= 16383 + 63;        /* In IEEE 80 bits, the whole (i.e. 1.xxxx)
                              * mantissa bit is written as opposed to the
                              * single and double precision formats. */
@@ -87,11 +88,10 @@ AVExtFloat av_dbl2ext(double d){
             ext.mantissa[i] = m>>(56-(i<<3));
     } else if (f != 0.0) {
         ext.exponent[0] = 0x7f; ext.exponent[1] = 0xff;
-        if (f != 1/0.0)
+        if (f != INFINITY)
             ext.mantissa[0] = ~0;
     }
     if (d < 0)
         ext.exponent[0] |= 0x80;
     return ext;
 }
-