599 lines
16 KiB
C
599 lines
16 KiB
C
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/***************************************************************************
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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* File: xact3wb.h
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* Content: XACT 3 wave bank definitions.
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*
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****************************************************************************/
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#ifndef __XACT3WB_H__
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#define __XACT3WB_H__
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#ifdef _XBOX
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# include <xtl.h>
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#else
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# include <math.h>
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#endif
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#include <audiodefs.h>
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#include <xma2defs.h>
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#pragma warning(push)
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#pragma warning(disable:4201)
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#pragma warning(disable:4214) // nonstandard extension used : bit field types other than int
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#pragma pack(push, 1)
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#if !defined(_X86_)
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#define XACTUNALIGNED __unaligned
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#else
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#define XACTUNALIGNED
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#endif
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#ifdef _M_PPCBE
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#pragma bitfield_order(push, lsb_to_msb)
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#endif
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#define WAVEBANK_HEADER_SIGNATURE 'DNBW' // WaveBank RIFF chunk signature
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#define WAVEBANK_HEADER_VERSION 44 // Current wavebank file version
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#define WAVEBANK_BANKNAME_LENGTH 64 // Wave bank friendly name length, in characters
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#define WAVEBANK_ENTRYNAME_LENGTH 64 // Wave bank entry friendly name length, in characters
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#define WAVEBANK_MAX_DATA_SEGMENT_SIZE 0xFFFFFFFF // Maximum wave bank data segment size, in bytes
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#define WAVEBANK_MAX_COMPACT_DATA_SEGMENT_SIZE 0x001FFFFF // Maximum compact wave bank data segment size, in bytes
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typedef DWORD WAVEBANKOFFSET;
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//
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// Bank flags
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//
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#define WAVEBANK_TYPE_BUFFER 0x00000000 // In-memory buffer
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#define WAVEBANK_TYPE_STREAMING 0x00000001 // Streaming
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#define WAVEBANK_TYPE_MASK 0x00000001
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#define WAVEBANK_FLAGS_ENTRYNAMES 0x00010000 // Bank includes entry names
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#define WAVEBANK_FLAGS_COMPACT 0x00020000 // Bank uses compact format
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#define WAVEBANK_FLAGS_SYNC_DISABLED 0x00040000 // Bank is disabled for audition sync
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#define WAVEBANK_FLAGS_SEEKTABLES 0x00080000 // Bank includes seek tables.
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#define WAVEBANK_FLAGS_MASK 0x000F0000
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//
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// Entry flags
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//
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#define WAVEBANKENTRY_FLAGS_READAHEAD 0x00000001 // Enable stream read-ahead
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#define WAVEBANKENTRY_FLAGS_LOOPCACHE 0x00000002 // One or more looping sounds use this wave
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#define WAVEBANKENTRY_FLAGS_REMOVELOOPTAIL 0x00000004 // Remove data after the end of the loop region
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#define WAVEBANKENTRY_FLAGS_IGNORELOOP 0x00000008 // Used internally when the loop region can't be used
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#define WAVEBANKENTRY_FLAGS_MASK 0x00000008
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//
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// Entry wave format identifiers
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//
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#define WAVEBANKMINIFORMAT_TAG_PCM 0x0 // PCM data
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#define WAVEBANKMINIFORMAT_TAG_XMA 0x1 // XMA data
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#define WAVEBANKMINIFORMAT_TAG_ADPCM 0x2 // ADPCM data
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#define WAVEBANKMINIFORMAT_TAG_WMA 0x3 // WMA data
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#define WAVEBANKMINIFORMAT_BITDEPTH_8 0x0 // 8-bit data (PCM only)
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#define WAVEBANKMINIFORMAT_BITDEPTH_16 0x1 // 16-bit data (PCM only)
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//
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// Arbitrary fixed sizes
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//
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#define WAVEBANKENTRY_XMASTREAMS_MAX 3 // enough for 5.1 channel audio
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#define WAVEBANKENTRY_XMACHANNELS_MAX 6 // enough for 5.1 channel audio (cf. XAUDIOCHANNEL_SOURCEMAX)
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//
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// DVD data sizes
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//
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#define WAVEBANK_DVD_SECTOR_SIZE 2048
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#define WAVEBANK_DVD_BLOCK_SIZE (WAVEBANK_DVD_SECTOR_SIZE * 16)
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//
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// Bank alignment presets
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//
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#define WAVEBANK_ALIGNMENT_MIN 4 // Minimum alignment
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#define WAVEBANK_ALIGNMENT_DVD WAVEBANK_DVD_SECTOR_SIZE // DVD-optimized alignment
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//
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// Wave bank segment identifiers
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//
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typedef enum WAVEBANKSEGIDX
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{
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WAVEBANK_SEGIDX_BANKDATA = 0, // Bank data
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WAVEBANK_SEGIDX_ENTRYMETADATA, // Entry meta-data
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WAVEBANK_SEGIDX_SEEKTABLES, // Storage for seek tables for the encoded waves.
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WAVEBANK_SEGIDX_ENTRYNAMES, // Entry friendly names
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WAVEBANK_SEGIDX_ENTRYWAVEDATA, // Entry wave data
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WAVEBANK_SEGIDX_COUNT
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} WAVEBANKSEGIDX, *LPWAVEBANKSEGIDX;
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typedef const WAVEBANKSEGIDX *LPCWAVEBANKSEGIDX;
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//
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// Endianness
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//
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#ifdef __cplusplus
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namespace XACTWaveBank
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{
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__inline void SwapBytes(XACTUNALIGNED DWORD &dw)
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{
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#ifdef _X86_
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__asm
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{
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mov edi, dw
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mov eax, [edi]
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bswap eax
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mov [edi], eax
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}
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#else // _X86_
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dw = _byteswap_ulong(dw);
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#endif // _X86_
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}
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__inline void SwapBytes(XACTUNALIGNED WORD &w)
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{
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#ifdef _X86_
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__asm
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{
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mov edi, w
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mov ax, [edi]
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xchg ah, al
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mov [edi], ax
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}
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#else // _X86_
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w = _byteswap_ushort(w);
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#endif // _X86_
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}
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}
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#endif // __cplusplus
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//
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// Wave bank region in bytes.
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//
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typedef struct WAVEBANKREGION
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{
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DWORD dwOffset; // Region offset, in bytes.
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DWORD dwLength; // Region length, in bytes.
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#ifdef __cplusplus
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void SwapBytes(void)
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{
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XACTWaveBank::SwapBytes(dwOffset);
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XACTWaveBank::SwapBytes(dwLength);
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}
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#endif // __cplusplus
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} WAVEBANKREGION, *LPWAVEBANKREGION;
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typedef const WAVEBANKREGION *LPCWAVEBANKREGION;
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//
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// Wave bank region in samples.
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//
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typedef struct WAVEBANKSAMPLEREGION
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{
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DWORD dwStartSample; // Start sample for the region.
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DWORD dwTotalSamples; // Region length in samples.
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#ifdef __cplusplus
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void SwapBytes(void)
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{
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XACTWaveBank::SwapBytes(dwStartSample);
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XACTWaveBank::SwapBytes(dwTotalSamples);
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}
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#endif // __cplusplus
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} WAVEBANKSAMPLEREGION, *LPWAVEBANKSAMPLEREGION;
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typedef const WAVEBANKSAMPLEREGION *LPCWAVEBANKSAMPLEREGION;
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//
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// Wave bank file header
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//
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typedef struct WAVEBANKHEADER
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{
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DWORD dwSignature; // File signature
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DWORD dwVersion; // Version of the tool that created the file
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DWORD dwHeaderVersion; // Version of the file format
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WAVEBANKREGION Segments[WAVEBANK_SEGIDX_COUNT]; // Segment lookup table
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#ifdef __cplusplus
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void SwapBytes(void)
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{
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XACTWaveBank::SwapBytes(dwSignature);
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XACTWaveBank::SwapBytes(dwVersion);
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XACTWaveBank::SwapBytes(dwHeaderVersion);
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for(int i = 0; i < WAVEBANK_SEGIDX_COUNT; i++)
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{
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Segments[i].SwapBytes();
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}
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}
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#endif // __cplusplus
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} WAVEBANKHEADER, *LPWAVEBANKHEADER;
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typedef const WAVEBANKHEADER *LPCWAVEBANKHEADER;
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//
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// Table for converting WMA Average Bytes per Second values to the WAVEBANKMINIWAVEFORMAT wBlockAlign field
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// NOTE: There can be a max of 8 values in the table.
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//
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#define MAX_WMA_AVG_BYTES_PER_SEC_ENTRIES 7
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static const DWORD aWMAAvgBytesPerSec[] =
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{
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12000,
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24000,
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4000,
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6000,
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8000,
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20000,
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2500
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};
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// bitrate = entry * 8
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//
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// Table for converting WMA Block Align values to the WAVEBANKMINIWAVEFORMAT wBlockAlign field
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// NOTE: There can be a max of 32 values in the table.
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//
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#define MAX_WMA_BLOCK_ALIGN_ENTRIES 17
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static const DWORD aWMABlockAlign[] =
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{
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929,
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1487,
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1280,
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2230,
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8917,
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8192,
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4459,
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5945,
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2304,
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1536,
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1485,
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1008,
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2731,
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4096,
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6827,
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5462,
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1280
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};
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struct WAVEBANKENTRY;
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//
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// Entry compressed data format
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//
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typedef union WAVEBANKMINIWAVEFORMAT
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{
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struct
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{
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DWORD wFormatTag : 2; // Format tag
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DWORD nChannels : 3; // Channel count (1 - 6)
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DWORD nSamplesPerSec : 18; // Sampling rate
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DWORD wBlockAlign : 8; // Block alignment. For WMA, lower 6 bits block alignment index, upper 2 bits bytes-per-second index.
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DWORD wBitsPerSample : 1; // Bits per sample (8 vs. 16, PCM only); WMAudio2/WMAudio3 (for WMA)
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};
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DWORD dwValue;
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#ifdef __cplusplus
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void SwapBytes(void)
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{
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XACTWaveBank::SwapBytes(dwValue);
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}
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WORD BitsPerSample() const
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{
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if (wFormatTag == WAVEBANKMINIFORMAT_TAG_XMA)
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return XMA_OUTPUT_SAMPLE_BITS; // First, because most common on Xbox 360
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if (wFormatTag == WAVEBANKMINIFORMAT_TAG_WMA)
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return 16;
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if (wFormatTag == WAVEBANKMINIFORMAT_TAG_ADPCM)
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return 4; // MSADPCM_BITS_PER_SAMPLE == 4
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// wFormatTag must be WAVEBANKMINIFORMAT_TAG_PCM (2 bits can only represent 4 different values)
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return (wBitsPerSample == WAVEBANKMINIFORMAT_BITDEPTH_16) ? 16 : 8;
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}
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#define ADPCM_MINIWAVEFORMAT_BLOCKALIGN_CONVERSION_OFFSET 22
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DWORD BlockAlign() const
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{
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DWORD dwReturn = 0;
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switch (wFormatTag)
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{
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case WAVEBANKMINIFORMAT_TAG_PCM:
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dwReturn = wBlockAlign;
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break;
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case WAVEBANKMINIFORMAT_TAG_XMA:
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dwReturn = nChannels * XMA_OUTPUT_SAMPLE_BITS / 8;
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break;
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case WAVEBANKMINIFORMAT_TAG_ADPCM:
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dwReturn = (wBlockAlign + ADPCM_MINIWAVEFORMAT_BLOCKALIGN_CONVERSION_OFFSET) * nChannels;
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break;
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case WAVEBANKMINIFORMAT_TAG_WMA:
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{
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DWORD dwBlockAlignIndex = wBlockAlign & 0x1F;
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if (dwBlockAlignIndex < MAX_WMA_BLOCK_ALIGN_ENTRIES)
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dwReturn = aWMABlockAlign[dwBlockAlignIndex];
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}
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break;
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}
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return dwReturn;
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}
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DWORD AvgBytesPerSec() const
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{
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DWORD dwReturn = 0;
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switch (wFormatTag)
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{
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case WAVEBANKMINIFORMAT_TAG_PCM:
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case WAVEBANKMINIFORMAT_TAG_XMA:
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dwReturn = nSamplesPerSec * wBlockAlign;
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break;
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case WAVEBANKMINIFORMAT_TAG_ADPCM:
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{
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DWORD blockAlign = BlockAlign();
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DWORD samplesPerAdpcmBlock = AdpcmSamplesPerBlock();
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dwReturn = blockAlign * nSamplesPerSec / samplesPerAdpcmBlock;
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}
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break;
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case WAVEBANKMINIFORMAT_TAG_WMA:
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{
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DWORD dwBytesPerSecIndex = wBlockAlign >> 5;
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if (dwBytesPerSecIndex < MAX_WMA_AVG_BYTES_PER_SEC_ENTRIES)
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dwReturn = aWMAAvgBytesPerSec[dwBytesPerSecIndex];
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}
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break;
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}
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return dwReturn;
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||
|
|
}
|
||
|
|
|
||
|
|
DWORD EncodeWMABlockAlign(DWORD dwBlockAlign, DWORD dwAvgBytesPerSec) const
|
||
|
|
{
|
||
|
|
DWORD dwReturn = 0;
|
||
|
|
DWORD dwBlockAlignIndex = 0;
|
||
|
|
DWORD dwBytesPerSecIndex = 0;
|
||
|
|
|
||
|
|
for (; dwBlockAlignIndex < MAX_WMA_BLOCK_ALIGN_ENTRIES && dwBlockAlign != aWMABlockAlign[dwBlockAlignIndex]; dwBlockAlignIndex++);
|
||
|
|
|
||
|
|
if (dwBlockAlignIndex < MAX_WMA_BLOCK_ALIGN_ENTRIES)
|
||
|
|
{
|
||
|
|
for (; dwBytesPerSecIndex < MAX_WMA_AVG_BYTES_PER_SEC_ENTRIES && dwAvgBytesPerSec != aWMAAvgBytesPerSec[dwBytesPerSecIndex]; dwBytesPerSecIndex++);
|
||
|
|
|
||
|
|
if (dwBytesPerSecIndex < MAX_WMA_AVG_BYTES_PER_SEC_ENTRIES)
|
||
|
|
{
|
||
|
|
dwReturn = dwBlockAlignIndex | (dwBytesPerSecIndex << 5);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return dwReturn;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void XMA2FillFormatEx(XMA2WAVEFORMATEX *fmt, WORD blockCount, const struct WAVEBANKENTRY* entry) const;
|
||
|
|
|
||
|
|
DWORD AdpcmSamplesPerBlock() const
|
||
|
|
{
|
||
|
|
DWORD nBlockAlign = (wBlockAlign + ADPCM_MINIWAVEFORMAT_BLOCKALIGN_CONVERSION_OFFSET) * nChannels;
|
||
|
|
return nBlockAlign * 2 / (DWORD)nChannels - 12;
|
||
|
|
}
|
||
|
|
|
||
|
|
void AdpcmFillCoefficientTable(ADPCMWAVEFORMAT *fmt) const
|
||
|
|
{
|
||
|
|
// These are fixed since we are always using MS ADPCM
|
||
|
|
fmt->wNumCoef = 7; /* MSADPCM_NUM_COEFFICIENTS */
|
||
|
|
|
||
|
|
static ADPCMCOEFSET aCoef[7] = { { 256, 0}, {512, -256}, {0,0}, {192,64}, {240,0}, {460, -208}, {392,-232} };
|
||
|
|
memcpy( &fmt->aCoef, aCoef, sizeof(aCoef) );
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // __cplusplus
|
||
|
|
|
||
|
|
} WAVEBANKMINIWAVEFORMAT, *LPWAVEBANKMINIWAVEFORMAT;
|
||
|
|
|
||
|
|
typedef const WAVEBANKMINIWAVEFORMAT *LPCWAVEBANKMINIWAVEFORMAT;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Entry meta-data
|
||
|
|
//
|
||
|
|
|
||
|
|
typedef struct WAVEBANKENTRY
|
||
|
|
{
|
||
|
|
union
|
||
|
|
{
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
// Entry flags
|
||
|
|
DWORD dwFlags : 4;
|
||
|
|
|
||
|
|
// Duration of the wave, in units of one sample.
|
||
|
|
// For instance, a ten second long wave sampled
|
||
|
|
// at 48KHz would have a duration of 480,000.
|
||
|
|
// This value is not affected by the number of
|
||
|
|
// channels, the number of bits per sample, or the
|
||
|
|
// compression format of the wave.
|
||
|
|
DWORD Duration : 28;
|
||
|
|
};
|
||
|
|
DWORD dwFlagsAndDuration;
|
||
|
|
};
|
||
|
|
|
||
|
|
WAVEBANKMINIWAVEFORMAT Format; // Entry format.
|
||
|
|
WAVEBANKREGION PlayRegion; // Region within the wave data segment that contains this entry.
|
||
|
|
WAVEBANKSAMPLEREGION LoopRegion; // Region within the wave data (in samples) that should loop.
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
|
||
|
|
void SwapBytes(void)
|
||
|
|
{
|
||
|
|
XACTWaveBank::SwapBytes(dwFlagsAndDuration);
|
||
|
|
Format.SwapBytes();
|
||
|
|
PlayRegion.SwapBytes();
|
||
|
|
LoopRegion.SwapBytes();
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // __cplusplus
|
||
|
|
|
||
|
|
} WAVEBANKENTRY, *LPWAVEBANKENTRY;
|
||
|
|
|
||
|
|
typedef const WAVEBANKENTRY *LPCWAVEBANKENTRY;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Compact entry meta-data
|
||
|
|
//
|
||
|
|
|
||
|
|
typedef struct WAVEBANKENTRYCOMPACT
|
||
|
|
{
|
||
|
|
DWORD dwOffset : 21; // Data offset, in sectors
|
||
|
|
DWORD dwLengthDeviation : 11; // Data length deviation, in bytes
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
|
||
|
|
void SwapBytes(void)
|
||
|
|
{
|
||
|
|
XACTWaveBank::SwapBytes(*(LPDWORD)this);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // __cplusplus
|
||
|
|
|
||
|
|
} WAVEBANKENTRYCOMPACT, *LPWAVEBANKENTRYCOMPACT;
|
||
|
|
|
||
|
|
typedef const WAVEBANKENTRYCOMPACT *LPCWAVEBANKENTRYCOMPACT;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Bank data segment
|
||
|
|
//
|
||
|
|
|
||
|
|
typedef struct WAVEBANKDATA
|
||
|
|
{
|
||
|
|
DWORD dwFlags; // Bank flags
|
||
|
|
DWORD dwEntryCount; // Number of entries in the bank
|
||
|
|
CHAR szBankName[WAVEBANK_BANKNAME_LENGTH]; // Bank friendly name
|
||
|
|
DWORD dwEntryMetaDataElementSize; // Size of each entry meta-data element, in bytes
|
||
|
|
DWORD dwEntryNameElementSize; // Size of each entry name element, in bytes
|
||
|
|
DWORD dwAlignment; // Entry alignment, in bytes
|
||
|
|
WAVEBANKMINIWAVEFORMAT CompactFormat; // Format data for compact bank
|
||
|
|
FILETIME BuildTime; // Build timestamp
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
|
||
|
|
void SwapBytes(void)
|
||
|
|
{
|
||
|
|
XACTWaveBank::SwapBytes(dwFlags);
|
||
|
|
XACTWaveBank::SwapBytes(dwEntryCount);
|
||
|
|
XACTWaveBank::SwapBytes(dwEntryMetaDataElementSize);
|
||
|
|
XACTWaveBank::SwapBytes(dwEntryNameElementSize);
|
||
|
|
XACTWaveBank::SwapBytes(dwAlignment);
|
||
|
|
CompactFormat.SwapBytes();
|
||
|
|
XACTWaveBank::SwapBytes(BuildTime.dwLowDateTime);
|
||
|
|
XACTWaveBank::SwapBytes(BuildTime.dwHighDateTime);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // __cplusplus
|
||
|
|
|
||
|
|
} WAVEBANKDATA, *LPWAVEBANKDATA;
|
||
|
|
|
||
|
|
typedef const WAVEBANKDATA *LPCWAVEBANKDATA;
|
||
|
|
|
||
|
|
inline void WAVEBANKMINIWAVEFORMAT::XMA2FillFormatEx(XMA2WAVEFORMATEX *fmt, WORD blockCount, const WAVEBANKENTRY* entry) const
|
||
|
|
{
|
||
|
|
// Note caller is responsbile for filling out fmt->wfx with other helper functions.
|
||
|
|
|
||
|
|
fmt->NumStreams = (WORD)( (nChannels + 1) / 2 );
|
||
|
|
|
||
|
|
switch (nChannels)
|
||
|
|
{
|
||
|
|
case 1: fmt->ChannelMask = SPEAKER_MONO; break;
|
||
|
|
case 2: fmt->ChannelMask = SPEAKER_STEREO; break;
|
||
|
|
case 3: fmt->ChannelMask = SPEAKER_2POINT1; break;
|
||
|
|
case 4: fmt->ChannelMask = SPEAKER_QUAD; break;
|
||
|
|
case 5: fmt->ChannelMask = SPEAKER_4POINT1; break;
|
||
|
|
case 6: fmt->ChannelMask = SPEAKER_5POINT1; break;
|
||
|
|
case 7: fmt->ChannelMask = SPEAKER_5POINT1 | SPEAKER_BACK_CENTER; break;
|
||
|
|
case 8: fmt->ChannelMask = SPEAKER_7POINT1; break;
|
||
|
|
default: fmt->ChannelMask = 0; break;
|
||
|
|
}
|
||
|
|
|
||
|
|
fmt->SamplesEncoded = entry->Duration;
|
||
|
|
fmt->BytesPerBlock = 65536; /* XACT_FIXED_XMA_BLOCK_SIZE */
|
||
|
|
|
||
|
|
fmt->PlayBegin = entry->PlayRegion.dwOffset;
|
||
|
|
fmt->PlayLength = entry->PlayRegion.dwLength;
|
||
|
|
|
||
|
|
if (entry->LoopRegion.dwTotalSamples > 0)
|
||
|
|
{
|
||
|
|
fmt->LoopBegin = entry->LoopRegion.dwStartSample;
|
||
|
|
fmt->LoopLength = entry->LoopRegion.dwTotalSamples;
|
||
|
|
fmt->LoopCount = 0xff; /* XACTLOOPCOUNT_INFINITE */
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
fmt->LoopBegin = 0;
|
||
|
|
fmt->LoopLength = 0;
|
||
|
|
fmt->LoopCount = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
fmt->EncoderVersion = 4; // XMAENCODER_VERSION_XMA2
|
||
|
|
|
||
|
|
fmt->BlockCount = blockCount;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef _M_PPCBE
|
||
|
|
#pragma bitfield_order(pop)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#pragma warning(pop)
|
||
|
|
#pragma pack(pop)
|
||
|
|
|
||
|
|
#endif // __XACTWB_H__
|
||
|
|
|