Fix an error when loading WAV files.

The sample format of a WAV file is not always being set which results
in get_data_format() returning ma_format_unknown.

miniaudio.h

@@ -61092,33 +61092,8 @@ static ma_result ma_wav_init_internal(const ma_decoding_backend_config* pConfig,
     return MA_SUCCESS;
 }
 
-MA_API ma_result ma_wav_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_wav* pWav)
+static ma_result ma_wav_post_init(ma_wav* pWav)
 {
-    ma_result result;
-
-    result = ma_wav_init_internal(pConfig, pWav);
-    if (result != MA_SUCCESS) {
-        return result;
-    }
-
-    if (onRead == NULL || onSeek == NULL) {
-        return MA_INVALID_ARGS; /* onRead and onSeek are mandatory. */
-    }
-
-    pWav->onRead = onRead;
-    pWav->onSeek = onSeek;
-    pWav->onTell = onTell;
-    pWav->pReadSeekTellUserData = pReadSeekTellUserData;
-
-    #if !defined(MA_NO_WAV)
-    {
-        ma_bool32 wavResult;
-
-        wavResult = ma_dr_wav_init(&pWav->dr, ma_wav_dr_callback__read, ma_wav_dr_callback__seek, pWav, pAllocationCallbacks);
-        if (wavResult != MA_TRUE) {
-            return MA_INVALID_FILE;
-        }
-
     /*
     If an explicit format was not specified, try picking the closest match based on the internal
     format. The format needs to be supported by miniaudio.
@@ -61155,6 +61130,38 @@ MA_API ma_result ma_wav_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_p
         }
     }
 
+    return MA_SUCCESS;
+}
+
+MA_API ma_result ma_wav_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_wav* pWav)
+{
+    ma_result result;
+
+    result = ma_wav_init_internal(pConfig, pWav);
+    if (result != MA_SUCCESS) {
+        return result;
+    }
+
+    if (onRead == NULL || onSeek == NULL) {
+        return MA_INVALID_ARGS; /* onRead and onSeek are mandatory. */
+    }
+
+    pWav->onRead = onRead;
+    pWav->onSeek = onSeek;
+    pWav->onTell = onTell;
+    pWav->pReadSeekTellUserData = pReadSeekTellUserData;
+
+    #if !defined(MA_NO_WAV)
+    {
+        ma_bool32 wavResult;
+
+        wavResult = ma_dr_wav_init(&pWav->dr, ma_wav_dr_callback__read, ma_wav_dr_callback__seek, pWav, pAllocationCallbacks);
+        if (wavResult != MA_TRUE) {
+            return MA_INVALID_FILE;
+        }
+
+        ma_wav_post_init(pWav);
+
         return MA_SUCCESS;
     }
     #else
@@ -61184,6 +61191,8 @@ MA_API ma_result ma_wav_init_file(const char* pFilePath, const ma_decoding_backe
             return MA_INVALID_FILE;
         }
 
+        ma_wav_post_init(pWav);
+
         return MA_SUCCESS;
     }
     #else
@@ -61214,6 +61223,8 @@ MA_API ma_result ma_wav_init_file_w(const wchar_t* pFilePath, const ma_decoding_
             return MA_INVALID_FILE;
         }
 
+        ma_wav_post_init(pWav);
+
         return MA_SUCCESS;
     }
     #else
@@ -61244,6 +61255,8 @@ MA_API ma_result ma_wav_init_memory(const void* pData, size_t dataSize, const ma
             return MA_INVALID_FILE;
         }
 
+        ma_wav_post_init(pWav);
+
         return MA_SUCCESS;
     }
     #else
@@ -62422,6 +62435,18 @@ static ma_result ma_mp3_generate_seek_table(ma_mp3* pMP3, const ma_decoding_back
     return MA_SUCCESS;
 }
 
+static ma_result ma_mp3_post_init(ma_mp3* pMP3, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks)
+{
+    ma_result result;
+
+    result = ma_mp3_generate_seek_table(pMP3, pConfig, pAllocationCallbacks);
+    if (result != MA_SUCCESS) {
+        return result;
+    }
+
+    return MA_SUCCESS;
+}
+
 MA_API ma_result ma_mp3_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_mp3* pMP3)
 {
     ma_result result;
@@ -62449,7 +62474,7 @@ MA_API ma_result ma_mp3_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_p
             return MA_INVALID_FILE;
         }
 
-        ma_mp3_generate_seek_table(pMP3, pConfig, pAllocationCallbacks);
+        ma_mp3_post_init(pMP3, pConfig, pAllocationCallbacks);
 
         return MA_SUCCESS;
     }
@@ -62480,7 +62505,7 @@ MA_API ma_result ma_mp3_init_file(const char* pFilePath, const ma_decoding_backe
             return MA_INVALID_FILE;
         }
 
-        ma_mp3_generate_seek_table(pMP3, pConfig, pAllocationCallbacks);
+        ma_mp3_post_init(pMP3, pConfig, pAllocationCallbacks);
 
         return MA_SUCCESS;
     }
@@ -62512,7 +62537,7 @@ MA_API ma_result ma_mp3_init_file_w(const wchar_t* pFilePath, const ma_decoding_
             return MA_INVALID_FILE;
         }
 
-        ma_mp3_generate_seek_table(pMP3, pConfig, pAllocationCallbacks);
+        ma_mp3_post_init(pMP3, pConfig, pAllocationCallbacks);
 
         return MA_SUCCESS;
     }
@@ -62544,7 +62569,7 @@ MA_API ma_result ma_mp3_init_memory(const void* pData, size_t dataSize, const ma
             return MA_INVALID_FILE;
         }
 
-        ma_mp3_generate_seek_table(pMP3, pConfig, pAllocationCallbacks);
+        ma_mp3_post_init(pMP3, pConfig, pAllocationCallbacks);
 
         return MA_SUCCESS;
     }