From 3ca6e0f34698fdc5f1be73b3bbf3b3dbf7a4ea26 Mon Sep 17 00:00:00 2001
From: Laurent Gomila <laurent.gom@gmail.com>
Date: Sat, 21 Mar 2015 13:45:54 +0100
Subject: [PATCH] Added support for 32-bits samples in WAV files

---
 src/SFML/Audio/SoundFileReaderWav.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/SFML/Audio/SoundFileReaderWav.cpp b/src/SFML/Audio/SoundFileReaderWav.cpp
index df8fb98b1..730f841d9 100644
--- a/src/SFML/Audio/SoundFileReaderWav.cpp
+++ b/src/SFML/Audio/SoundFileReaderWav.cpp
@@ -65,6 +65,17 @@ namespace
         return true;
     }
 
+    bool decode(sf::InputStream& stream, sf::Int32& value)
+    {
+        unsigned char bytes[sizeof(value)];
+        if (stream.read(bytes, sizeof(bytes)) != sizeof(bytes))
+            return false;
+
+        value = bytes[0] | (bytes[1] << 8) | (bytes[2] << 16) | (bytes[3] << 24);
+
+        return true;
+    }
+
     bool decode(sf::InputStream& stream, sf::Uint32& value)
     {
         unsigned char bytes[sizeof(value)];
@@ -157,6 +168,16 @@ Uint64 SoundFileReaderWav::read(Int16* samples, Uint64 maxCount)
                     return count;
                 break;
             }
+
+            case 4:
+            {
+                Int32 sample = 0;
+                if (decode(*m_stream, sample))
+                    *samples++ = sample >> 16;
+                else
+                    return count;
+                break;
+            }
         }
 
         ++count;