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Size computation with channels #6

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Size computation with channels #6

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4 changes: 2 additions & 2 deletions WavUtility.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,7 @@ public static byte[] FromAudioClip (AudioClip audioClip, out string filepath, bo
//Debug.AssertFormat (bitDepth == 16, "Only converting 16 bit is currently supported. The audio clip data is {0} bit.", bitDepth);

// total file size = 44 bytes for header format and audioClip.samples * factor due to float to Int16 / sbyte conversion
int fileSize = audioClip.samples * BlockSize_16Bit + headerSize; // BlockSize (bitDepth)
int fileSize = audioClip.samples * BlockSize_16Bit * audioClip.channels + headerSize; // BlockSize (bitDepth)

// chunk descriptor (riff)
WriteFileHeader (ref stream, fileSize);
Expand Down Expand Up @@ -304,7 +304,7 @@ private static int WriteFileData (ref MemoryStream stream, AudioClip audioClip,
byte[] id = Encoding.ASCII.GetBytes ("data");
count += WriteBytesToMemoryStream (ref stream, id, "DATA_ID");

int subchunk2Size = Convert.ToInt32 (audioClip.samples * BlockSize_16Bit); // BlockSize (bitDepth)
int subchunk2Size = Convert.ToInt32 (audioClip.samples * BlockSize_16Bit * audioClip.channels); // BlockSize (bitDepth)
count += WriteBytesToMemoryStream (ref stream, BitConverter.GetBytes (subchunk2Size), "SAMPLES");

// Validate header
Expand Down