Binary Waveform (BWAV)

Binary Waveform (BWAV) contains the audio and channel data.

Header

Offset	Type	Description
0x0	Magic	BWAV
0x4	u16	BOM
0x6	u16	Version
0x8	u32	Data Hash (CRC32)
0xC	u16	Is Prefetched
0xE	u16	Channel Count
0x10	Channel [channelCount]	Channels

Channel

Offset	Type	Description
0x0	SampleFormat (u16)	Sample Format
0x2	OutputChannel (u16)	Output Channel
0x4	u32	Sample Rate
0x8	u32	Total Sample Count
0xC	u32	Local Sample Count
0x10	Parameter	AdpcmParameter if SampleFormat.Adpcm OpusParameter if SampleFormat.Opus padding[0x20] if SampleFormat.PcmInt16
0x30	u32	Total Samples Offset
0x34	u32	Local Samples Offset
0x38	u16	Loop Count
0x3A	u16	Base Loop Index
0x3C	s32	Loop End
0x40	LoopInfo [loopCount]	Loops

Sample Format

enum SampleFormat
{
    PcmInt16 = 0,
    Adpcm = 1,
    Opus = 2
};

Output Channel

enum OutputChannel
{
    Left = 0,
    Right = 1,
    Center = 2,
    LowFrequencyEffect = 3,
    LeftSurround = 4,
    RightSurround = 5,
};

Loop Info

Offset	Type	Description
0x0	u32	Start
0x4	s16	Predictor Scale
0x6	s16 [2]	History
0xA	padding [2]	Padding/Alignment