Initial commit

arm9/source/bgm/bcstm.h

@@ -0,0 +1,102 @@
+#pragma once
+#include "common.h"
+
+#define BCSTM_FORMAT_DSP_ADPCM      2
+
+struct bcstm_ref_t
+{
+    u16 typeId;
+    u16 padding;
+    u32 offset;
+};
+
+struct bcstm_sized_ref_t
+{
+    u16 typeId;
+    u16 padding;
+    u32 offset;
+    u32 size;
+};
+
+struct bcstm_ref_table_t
+{
+    u32 count;
+    bcstm_ref_t references[1];
+};
+
+struct bcstm_header_t
+{
+    u32 signature;
+    u16 endianness;
+    u16 headerSize;
+    u32 version;
+    u32 fileSize;
+    u16 nrBlocks;
+    u16 reserved;
+    bcstm_sized_ref_t infoBlockRef;
+    bcstm_sized_ref_t seekBlockRef;
+    bcstm_sized_ref_t dataBlockRef;
+};
+
+struct bcstm_info_stream_t
+{
+    u8 format;
+    u8 loop;
+    u8 nrChannels;
+    u8 padding;
+    u32 sampleRate;
+    u32 loopStart;
+    u32 loopEnd;
+    u32 nrBlocks;
+    u32 blockSize;
+    u32 blockSampleCount;
+    u32 lastBlockSize;
+    u32 lastBlockSampleCount;
+    u32 lastBlockPaddedSize;
+    u32 seekEntrySize;
+    u32 seekInterval;
+    bcstm_ref_t dataRef;
+};
+
+struct bcstm_info_channel_t
+{
+    bcstm_ref_t codecInfoRef;
+};
+
+struct bcstm_dspadpcm_context_t
+{
+    u8 predictorAndScale;
+    u8 reserved;
+    s16 last1;
+    s16 last2;
+};
+
+struct alignas(4) bcstm_dspadpcm_t
+{
+    s16 coefs[16];
+    bcstm_dspadpcm_context_t context;
+    bcstm_dspadpcm_context_t loopContext;
+};
+
+struct bcstm_info_t
+{
+    u32 signature;
+    u32 sectionSize;
+    bcstm_ref_t streamInfoRef;
+    bcstm_ref_t trackInfoRef;
+    bcstm_ref_t channelInfoRef;
+};
+
+struct bcstm_seek_t
+{
+    u32 signature;
+    u32 sectionSize;
+    u8 seekData[1];
+};
+
+struct bcstm_data_t
+{
+    u32 signature;
+    u32 sectionSize;
+    u8 data[1];
+};