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Support loading WAVE_FORMAT_EXTENSIBLE .WAVs

--- a/src/smploaders/ft2_load_wav.c

+++ b/src/smploaders/ft2_load_wav.c

@@ -17,7 +17,8 @@

 enum

 {

 	WAV_FORMAT_PCM = 1,

-	WAV_FORMAT_IEEE_FLOAT = 3

+	WAV_FORMAT_IEEE_FLOAT = 3,

+	WAV_FORMAT_EXTENSIBLE = 65534

 };

 static bool wavIsStereo(FILE *f);

@@ -140,7 +141,14 @@

 	fread(&sampleRate,  4, 1, f);

 	fseek(f, 6, SEEK_CUR); // unneeded

 	fread(&bitsPerSample, 2, 1, f);

+

 	sampleLength = dataLen;

+

+	if (audioFormat == WAV_FORMAT_EXTENSIBLE)

+	{

+		fseek(f, 8, SEEK_CUR);

+		fread(&audioFormat, 2, 1, f);

+	}

 	// ---------------------------

 	// test if the WAV is compatible with our loader

-- 

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