Switch to zip archive format for resource data, prep work for moving from PICT/snd to BMP/WAV

PortabilityLayer/WaveFormat.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include "PLLittleEndian.h"
+
+namespace PortabilityLayer
+{
+	namespace WaveConstants
+	{
+		static const uint16_t kFormatPCM = 1;
+		static const uint32_t kRiffChunkID = 0x46464952;
+		static const uint32_t kWaveChunkID = 0x45564157;
+		static const uint32_t kFormatChunkID = 0x20746d66;
+		static const uint32_t kDataChunkID = 0x61746164;
+	}
+
+	struct RIFFTag
+	{
+		LEUInt32_t m_tag;
+		LEUInt32_t m_chunkSize;		// Actual size is padded to 2-byte alignment
+	};
+
+	struct WaveFormatChunkV1
+	{
+		LEUInt16_t m_formatCode;
+		LEUInt16_t m_numChannels;
+		LEUInt32_t m_sampleRate;
+		LEUInt32_t m_bytesPerSecond;
+		LEUInt16_t m_blockAlignmentBytes;
+		LEUInt16_t m_bitsPerSample;
+	};
+
+	struct WaveFormatChunkV2
+	{
+		WaveFormatChunkV1 m_v1;
+		LEUInt16_t m_extSize;
+	};
+
+	struct WaveFormatChunkV3
+	{
+		WaveFormatChunkV2 m_v2;
+
+		LEUInt16_t m_validBitsPerSample;
+		LEUInt32_t m_channelMask;
+		uint8_t m_subFormatGUID[16];
+	};
+}