4 files changed, 20 insertions, 6 deletions

diff --git a/src/libjin/audio/sdl/source.cpp b/src/libjin/audio/sdl/source.cpp
index 2bb63f5..b647229 100644
--- a/src/libjin/audio/sdl/source.cpp
+++ b/src/libjin/audio/sdl/source.cpp
@@ -54,7 +54,7 @@ namespace audio
     shared std::vector<SDLSource*> Manager::sources;
     shared Manager* Manager::manager = nullptr;
 
-    SDLSource* SDLSource::createSource(SourceType format, const char* file)
+    SDLSource* SDLSource::createSource(const char* file)
     {
         std::ifstream fs;
         fs.open(file, std::ios::binary);
@@ -69,12 +69,12 @@ namespace audio
         char* buffer = (char*)malloc(size);
         memset(buffer, 0, size);
         fs.read(buffer, size); 
-        SDLSource* source = createSource(format, buffer, size);
+        SDLSource* source = createSource(buffer, size);
         free(buffer);
         return source;
     }
 
-    SDLSource* SDLSource::createSource(SourceType format, void* mem, size_t size)
+    SDLSource* SDLSource::createSource(void* mem, size_t size)
     {
         if (mem == nullptr)
             return nullptr; 
@@ -82,6 +82,7 @@ namespace audio
 #define read(FMT) case FMT : source->load##FMT(mem, size); break
         try
         {
+            SourceType format = getType(mem, size);
             switch (format)
             {
                 read(OGG);
diff --git a/src/libjin/audio/sdl/source.h b/src/libjin/audio/sdl/source.h
index 900568f..743d4f0 100644
--- a/src/libjin/audio/sdl/source.h
+++ b/src/libjin/audio/sdl/source.h
@@ -22,8 +22,8 @@ namespace audio
 
         ~SDLSource();
 
-        static SDLSource* createSource(SourceType format, const char* file);
-        static SDLSource* createSource(SourceType format, void* mem, size_t size);
+        static SDLSource* createSource(const char* file);
+        static SDLSource* createSource(void* mem, size_t size);
 
         /* ISource interface */
         void play() override;
diff --git a/src/libjin/audio/source.cpp b/src/libjin/audio/source.cpp
index dd87718..ec80a0f 100644
--- a/src/libjin/audio/source.cpp
+++ b/src/libjin/audio/source.cpp
@@ -1,3 +1,4 @@
+#include <cstring>
 #include "source.h"
 
 namespace jin
@@ -5,7 +6,16 @@ namespace jin
 namespace audio
 {
 
+    SourceType Source::getType(const void* mem, int size)
+    {
+        const char* p = (const char* )mem;
+        if (memcmp(p, "RIFF", 4) == 0 && memcmp(p + 8, "WAVE", 4) == 0)
+            return SourceType::WAV;
+        if (memcmp(p, "OggS", 4) == 0)
+            return SourceType::OGG;
 
+        return SourceType::INVALID;
+    }
 
 }
 }
\ No newline at end of file
diff --git a/src/libjin/audio/source.h b/src/libjin/audio/source.h
index ea82725..313ebde 100644
--- a/src/libjin/audio/source.h
+++ b/src/libjin/audio/source.h
@@ -10,6 +10,7 @@ namespace audio
 
     enum SourceType
     {
+        INVALID = 0,
         WAV,
         OGG,
     };
@@ -35,7 +36,9 @@ namespace audio
         virtual bool setLoop(bool loop) = 0;
         virtual void setRate(float rate) = 0;
 
-    protected: 
+    protected:
+
+        static SourceType getType(const void* mem, int size);
 
     };