[pulseaudio-commits] r2079 - /trunk/src/pulsecore/endianmacros.h

[svnmailer-noreply at 0pointer.de]

Author: lennart
Date: Sat Nov 24 17:23:19 2007
New Revision: 2079

URL: http://0pointer.de/cgi-bin/viewcvs.cgi?rev=2079&root=pulseaudio&view=rev
Log:
add new endianess macros for FLOAT32

Modified:
    trunk/src/pulsecore/endianmacros.h

Modified: trunk/src/pulsecore/endianmacros.h
URL: http://0pointer.de/cgi-bin/viewcvs.cgi/trunk/src/pulsecore/endianmacros.h?rev=2079&root=pulseaudio&r1=2078&r2=2079&view=diff
==============================================================================
--- trunk/src/pulsecore/endianmacros.h (original)
+++ trunk/src/pulsecore/endianmacros.h Sat Nov 24 17:23:19 2007
@@ -47,11 +47,19 @@
 #define PA_UINT32_SWAP(x) ( (uint32_t) ( ((uint32_t) x >> 24) | ((uint32_t) x << 24) | (((uint32_t) x & 0xFF00) << 8) | ((((uint32_t) x) >> 8) & 0xFF00) ) )
 #endif
 
+static inline float PA_FLOAT32_SWAP(float x) {
+    uint32_t i = *(uint32_t*) &x;
+    i = PA_UINT32_SWAP(i);
+    return *(float*) &i;
+}
+
 #define PA_MAYBE_INT16_SWAP(c,x) ((c) ? PA_INT32_SWAP(x) : x)
 #define PA_MAYBE_UINT16_SWAP(c,x) ((c) ? PA_UINT32_SWAP(x) : x)
 
 #define PA_MAYBE_INT32_SWAP(c,x) ((c) ? PA_INT32_SWAP(x) : x)
 #define PA_MAYBE_UINT32_SWAP(c,x) ((c) ? PA_UINT32_SWAP(x) : x)
+
+#define PA_MAYBE_FLOAT32_SWAP(c,x) ((c) ? PA_FLOAT32_SWAP(x) : x)
 
 #ifdef WORDS_BIGENDIAN
  #define PA_INT16_FROM_LE(x) PA_INT16_SWAP(x)
@@ -77,6 +85,9 @@
 
  #define PA_UINT32_TO_LE(x) PA_UINT32_SWAP(x)
  #define PA_UINT32_TO_BE(x) ((uint32_t)(x))
+
+ #define PA_FLOAT32_TO_LE(x) PA_FLOAT32_SWAP(x)
+ #define PA_FLOAT32_TO_BE(x) ((float) (x))
 #else
  #define PA_INT16_FROM_LE(x) ((int16_t)(x))
  #define PA_INT16_FROM_BE(x) PA_INT16_SWAP(x)
@@ -101,6 +112,9 @@
 
  #define PA_UINT32_TO_LE(x) ((uint32_t)(x))
  #define PA_UINT32_TO_BE(x) PA_UINT32_SWAP(x)
+
+ #define PA_FLOAT32_TO_LE(x) ((float) (x))
+ #define PA_FLOAT32_TO_BE(x) PA_FLOAT32_SWAP(x)
 #endif
 
 #endif