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WaveBankReader.cpp
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WaveBankReader.cpp
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//--------------------------------------------------------------------------------------
// File: WaveBankReader.cpp
//
// Functions for loading audio data from Wave Banks
//
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
//
// http://go.microsoft.com/fwlink/?LinkId=248929
// http://go.microsoft.com/fwlink/?LinkID=615561
//-------------------------------------------------------------------------------------
#include "pch.h"
#include "WaveBankReader.h"
#include "Audio.h"
#include "PlatformHelpers.h"
#include "SoundCommon.h"
#if (defined(_XBOX_ONE) && defined(_TITLE)) || defined(_GAMING_XBOX)
#ifdef __clang__
#pragma clang diagnostic ignored "-Wnonportable-system-include-path"
#endif
#include <apu.h>
#include <shapexmacontext.h>
#endif
namespace
{
#pragma pack(push, 1)
constexpr uint16_t MSADPCM_FORMAT_EXTRA_BYTES = 32;
constexpr uint16_t MSADPCM_NUM_COEFFICIENTS = 7;
constexpr size_t DVD_SECTOR_SIZE = 2048;
constexpr size_t DVD_BLOCK_SIZE = DVD_SECTOR_SIZE * 16;
constexpr size_t ALIGNMENT_MIN = 4;
constexpr size_t ALIGNMENT_DVD = DVD_SECTOR_SIZE;
constexpr size_t MAX_DATA_SEGMENT_SIZE = 0xFFFFFFFF;
constexpr size_t MAX_COMPACT_DATA_SEGMENT_SIZE = 0x001FFFFF;
struct REGION
{
uint32_t dwOffset; // Region offset, in bytes.
uint32_t dwLength; // Region length, in bytes.
void BigEndian() noexcept
{
dwOffset = _byteswap_ulong(dwOffset);
dwLength = _byteswap_ulong(dwLength);
}
};
struct SAMPLEREGION
{
uint32_t dwStartSample; // Start sample for the region.
uint32_t dwTotalSamples; // Region length in samples.
void BigEndian() noexcept
{
dwStartSample = _byteswap_ulong(dwStartSample);
dwTotalSamples = _byteswap_ulong(dwTotalSamples);
}
};
struct HEADER
{
static constexpr uint32_t SIGNATURE = MAKEFOURCC('W', 'B', 'N', 'D');
static constexpr uint32_t BE_SIGNATURE = MAKEFOURCC('D', 'N', 'B', 'W');
static constexpr uint32_t VERSION = 44;
enum SEGIDX
{
SEGIDX_BANKDATA = 0, // Bank data
SEGIDX_ENTRYMETADATA, // Entry meta-data
SEGIDX_SEEKTABLES, // Storage for seek tables for the encoded waves.
SEGIDX_ENTRYNAMES, // Entry friendly names
SEGIDX_ENTRYWAVEDATA, // Entry wave data
SEGIDX_COUNT
};
uint32_t dwSignature; // File signature
uint32_t dwVersion; // Version of the tool that created the file
uint32_t dwHeaderVersion; // Version of the file format
REGION Segments[SEGIDX_COUNT]; // Segment lookup table
void BigEndian() noexcept
{
// Leave dwSignature alone as indicator of BE vs. LE
dwVersion = _byteswap_ulong(dwVersion);
dwHeaderVersion = _byteswap_ulong(dwHeaderVersion);
for (size_t j = 0; j < SEGIDX_COUNT; ++j)
{
Segments[j].BigEndian();
}
}
};
#ifdef _MSC_VER
#pragma warning( disable : 4201 4203 )
#endif
union MINIWAVEFORMAT
{
static constexpr uint32_t TAG_PCM = 0x0;
static constexpr uint32_t TAG_XMA = 0x1;
static constexpr uint32_t TAG_ADPCM = 0x2;
static constexpr uint32_t TAG_WMA = 0x3;
static constexpr uint32_t BITDEPTH_8 = 0x0; // PCM only
static constexpr uint32_t BITDEPTH_16 = 0x1; // PCM only
static constexpr size_t ADPCM_BLOCKALIGN_CONVERSION_OFFSET = 22;
struct
{
uint32_t wFormatTag : 2; // Format tag
uint32_t nChannels : 3; // Channel count (1 - 6)
uint32_t nSamplesPerSec : 18; // Sampling rate
uint32_t wBlockAlign : 8; // Block alignment. For WMA, lower 6 bits block alignment index, upper 2 bits bytes-per-second index.
uint32_t wBitsPerSample : 1; // Bits per sample (8 vs. 16, PCM only); WMAudio2/WMAudio3 (for WMA)
};
uint32_t dwValue;
void BigEndian() noexcept
{
dwValue = _byteswap_ulong(dwValue);
}
WORD BitsPerSample() const noexcept
{
if (wFormatTag == TAG_XMA)
return 16; // XMA_OUTPUT_SAMPLE_BITS == 16
if (wFormatTag == TAG_WMA)
return 16;
if (wFormatTag == TAG_ADPCM)
return 4; // MSADPCM_BITS_PER_SAMPLE == 4
// wFormatTag must be TAG_PCM (2 bits can only represent 4 different values)
return (wBitsPerSample == BITDEPTH_16) ? 16u : 8u;
}
DWORD BlockAlign() const noexcept
{
switch (wFormatTag)
{
case TAG_PCM:
return wBlockAlign;
case TAG_XMA:
return (nChannels * 16 / 8); // XMA_OUTPUT_SAMPLE_BITS = 16
case TAG_ADPCM:
return (wBlockAlign + ADPCM_BLOCKALIGN_CONVERSION_OFFSET) * nChannels;
case TAG_WMA:
{
static const uint32_t aWMABlockAlign[17] =
{
929,
1487,
1280,
2230,
8917,
8192,
4459,
5945,
2304,
1536,
1485,
1008,
2731,
4096,
6827,
5462,
1280
};
const uint32_t dwBlockAlignIndex = wBlockAlign & 0x1F;
if (dwBlockAlignIndex < 17)
return aWMABlockAlign[dwBlockAlignIndex];
}
break;
default:
break;
}
return 0;
}
DWORD AvgBytesPerSec() const noexcept
{
switch (wFormatTag)
{
case TAG_PCM:
return nSamplesPerSec * wBlockAlign;
case TAG_XMA:
return nSamplesPerSec * BlockAlign();
case TAG_ADPCM:
{
const uint32_t blockAlign = BlockAlign();
const uint32_t samplesPerAdpcmBlock = AdpcmSamplesPerBlock();
return blockAlign * nSamplesPerSec / samplesPerAdpcmBlock;
}
case TAG_WMA:
{
static const uint32_t aWMAAvgBytesPerSec[7] =
{
12000,
24000,
4000,
6000,
8000,
20000,
2500
};
// bitrate = entry * 8
const uint32_t dwBytesPerSecIndex = wBlockAlign >> 5;
if (dwBytesPerSecIndex < 7)
return aWMAAvgBytesPerSec[dwBytesPerSecIndex];
}
break;
default:
break;
}
return 0;
}
DWORD AdpcmSamplesPerBlock() const noexcept
{
const uint32_t nBlockAlign = (wBlockAlign + ADPCM_BLOCKALIGN_CONVERSION_OFFSET) * nChannels;
return nBlockAlign * 2 / uint32_t(nChannels) - 12;
}
void AdpcmFillCoefficientTable(ADPCMWAVEFORMAT *fmt) const noexcept
{
// These are fixed since we are always using MS ADPCM
fmt->wNumCoef = 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));
}
};
struct BANKDATA
{
static constexpr size_t BANKNAME_LENGTH = 64;
static constexpr uint32_t TYPE_BUFFER = 0x00000000;
static constexpr uint32_t TYPE_STREAMING = 0x00000001;
static constexpr uint32_t TYPE_MASK = 0x00000001;
static constexpr uint32_t FLAGS_ENTRYNAMES = 0x00010000;
static constexpr uint32_t FLAGS_COMPACT = 0x00020000;
static constexpr uint32_t FLAGS_SYNC_DISABLED = 0x00040000;
static constexpr uint32_t FLAGS_SEEKTABLES = 0x00080000;
static constexpr uint32_t FLAGS_MASK = 0x000F0000;
uint32_t dwFlags; // Bank flags
uint32_t dwEntryCount; // Number of entries in the bank
char szBankName[BANKNAME_LENGTH]; // Bank friendly name
uint32_t dwEntryMetaDataElementSize; // Size of each entry meta-data element, in bytes
uint32_t dwEntryNameElementSize; // Size of each entry name element, in bytes
uint32_t dwAlignment; // Entry alignment, in bytes
MINIWAVEFORMAT CompactFormat; // Format data for compact bank
FILETIME BuildTime; // Build timestamp
void BigEndian() noexcept
{
dwFlags = _byteswap_ulong(dwFlags);
dwEntryCount = _byteswap_ulong(dwEntryCount);
dwEntryMetaDataElementSize = _byteswap_ulong(dwEntryMetaDataElementSize);
dwEntryNameElementSize = _byteswap_ulong(dwEntryNameElementSize);
dwAlignment = _byteswap_ulong(dwAlignment);
CompactFormat.BigEndian();
BuildTime.dwLowDateTime = _byteswap_ulong(BuildTime.dwLowDateTime);
BuildTime.dwHighDateTime = _byteswap_ulong(BuildTime.dwHighDateTime);
}
};
struct ENTRY
{
static constexpr uint32_t FLAGS_READAHEAD = 0x00000001; // Enable stream read-ahead
static constexpr uint32_t FLAGS_LOOPCACHE = 0x00000002; // One or more looping sounds use this wave
static constexpr uint32_t FLAGS_REMOVELOOPTAIL = 0x00000004;// Remove data after the end of the loop region
static constexpr uint32_t FLAGS_IGNORELOOP = 0x00000008; // Used internally when the loop region can't be used
static constexpr uint32_t FLAGS_MASK = 0x00000008;
union
{
struct
{
// Entry flags
uint32_t 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.
uint32_t Duration : 28;
};
uint32_t dwFlagsAndDuration;
};
MINIWAVEFORMAT Format; // Entry format.
REGION PlayRegion; // Region within the wave data segment that contains this entry.
SAMPLEREGION LoopRegion; // Region within the wave data (in samples) that should loop.
void BigEndian() noexcept
{
dwFlagsAndDuration = _byteswap_ulong(dwFlagsAndDuration);
Format.BigEndian();
PlayRegion.BigEndian();
LoopRegion.BigEndian();
}
};
struct ENTRYCOMPACT
{
uint32_t dwOffset : 21; // Data offset, in multiplies of the bank alignment
uint32_t dwLengthDeviation : 11; // Data length deviation, in bytes
void BigEndian() noexcept
{
*reinterpret_cast<uint32_t*>(this) = _byteswap_ulong(*reinterpret_cast<const uint32_t*>(this));
}
void ComputeLocations(DWORD& offset, DWORD& length, uint32_t index, const HEADER& header, const BANKDATA& data, const ENTRYCOMPACT* entries) const noexcept
{
offset = dwOffset * data.dwAlignment;
if (index < (data.dwEntryCount - 1))
{
length = (entries[index + 1].dwOffset * data.dwAlignment) - offset - dwLengthDeviation;
}
else
{
length = header.Segments[HEADER::SEGIDX_ENTRYWAVEDATA].dwLength - offset - dwLengthDeviation;
}
}
static uint32_t GetDuration(DWORD length, const BANKDATA& data, _In_opt_ const uint32_t* seekTable) noexcept
{
switch (data.CompactFormat.wFormatTag)
{
case MINIWAVEFORMAT::TAG_ADPCM:
{
uint32_t duration = (length / data.CompactFormat.BlockAlign()) * data.CompactFormat.AdpcmSamplesPerBlock();
const uint32_t partial = length % data.CompactFormat.BlockAlign();
if (partial)
{
if (partial >= (7u * data.CompactFormat.nChannels))
duration += (partial * 2 / data.CompactFormat.nChannels - 12);
}
return duration;
}
case MINIWAVEFORMAT::TAG_WMA:
if (seekTable)
{
const uint32_t seekCount = *seekTable;
if (seekCount > 0)
{
return seekTable[seekCount] / uint32_t(2 * data.CompactFormat.nChannels);
}
}
return 0;
case MINIWAVEFORMAT::TAG_XMA:
if (seekTable)
{
const uint32_t seekCount = *seekTable;
if (seekCount > 0)
{
return seekTable[seekCount];
}
}
return 0;
default:
return uint32_t((uint64_t(length) * 8)
/ (uint64_t(data.CompactFormat.BitsPerSample()) * uint64_t(data.CompactFormat.nChannels)));
}
}
};
#pragma pack(pop)
inline const uint32_t* FindSeekTable(uint32_t index, _In_opt_ const uint8_t* seekTable, const HEADER& header, const BANKDATA& data) noexcept
{
if (!seekTable || index >= data.dwEntryCount)
return nullptr;
const uint32_t seekSize = header.Segments[HEADER::SEGIDX_SEEKTABLES].dwLength;
if ((index * sizeof(uint32_t)) > seekSize)
return nullptr;
auto table = reinterpret_cast<const uint32_t*>(seekTable);
uint32_t offset = table[index];
if (offset == uint32_t(-1))
return nullptr;
offset += sizeof(uint32_t) * data.dwEntryCount;
if (offset > seekSize)
return nullptr;
return reinterpret_cast<const uint32_t*>(seekTable + offset);
}
}
static_assert(sizeof(REGION) == 8, "Mismatch with xact3wb.h");
static_assert(sizeof(SAMPLEREGION) == 8, "Mismatch with xact3wb.h");
static_assert(sizeof(HEADER) == 52, "Mismatch with xact3wb.h");
static_assert(sizeof(ENTRY) == 24, "Mismatch with xact3wb.h");
static_assert(sizeof(MINIWAVEFORMAT) == 4, "Mismatch with xact3wb.h");
static_assert(sizeof(ENTRY) == 24, "Mismatch with xact3wb.h");
static_assert(sizeof(ENTRYCOMPACT) == 4, "Mismatch with xact3wb.h");
static_assert(sizeof(BANKDATA) == 96, "Mismatch with xact3wb.h");
using namespace DirectX;
//--------------------------------------------------------------------------------------
class WaveBankReader::Impl
{
public:
Impl() noexcept :
m_async(INVALID_HANDLE_VALUE),
m_request{},
m_prepared(false),
m_header{},
m_data{}
#ifdef DIRECTX_ENABLE_XMA2
, m_xmaMemory(nullptr)
#endif
{
}
Impl(Impl&&) = default;
Impl& operator= (Impl&&) = default;
Impl(Impl const&) = delete;
Impl& operator= (Impl const&) = delete;
~Impl() { Close(); }
HRESULT Open(_In_z_ const wchar_t* szFileName) noexcept(false);
void Close() noexcept;
HRESULT GetFormat(_In_ uint32_t index, _Out_writes_bytes_(maxsize) WAVEFORMATEX* pFormat, _In_ size_t maxsize) const noexcept;
HRESULT GetWaveData(_In_ uint32_t index, _Outptr_ const uint8_t** pData, _Out_ uint32_t& dataSize) const noexcept;
HRESULT GetSeekTable(_In_ uint32_t index, _Out_ const uint32_t** pData, _Out_ uint32_t& dataCount, _Out_ uint32_t& tag) const noexcept;
HRESULT GetMetadata(_In_ uint32_t index, _Out_ Metadata& metadata) const noexcept;
bool UpdatePrepared() noexcept;
void Clear() noexcept
{
memset(&m_header, 0, sizeof(HEADER));
memset(&m_data, 0, sizeof(BANKDATA));
m_names.clear();
m_entries.reset();
m_seekData.reset();
m_waveData.reset();
#ifdef DIRECTX_ENABLE_XMA2
if (m_xmaMemory)
{
ApuFree(m_xmaMemory);
m_xmaMemory = nullptr;
}
#endif
}
HANDLE m_async;
ScopedHandle m_event;
OVERLAPPED m_request;
bool m_prepared;
HEADER m_header;
BANKDATA m_data;
std::map<std::string, uint32_t> m_names;
private:
std::unique_ptr<uint8_t[]> m_entries;
std::unique_ptr<uint8_t[]> m_seekData;
std::unique_ptr<uint8_t[]> m_waveData;
#ifdef DIRECTX_ENABLE_XMA2
public:
void* m_xmaMemory;
#endif
};
_Use_decl_annotations_
HRESULT WaveBankReader::Impl::Open(const wchar_t* szFileName) noexcept(false)
{
Close();
Clear();
m_prepared = false;
m_event.reset(CreateEventEx(nullptr, nullptr, CREATE_EVENT_MANUAL_RESET, EVENT_MODIFY_STATE | SYNCHRONIZE));
if (!m_event)
{
return HRESULT_FROM_WIN32(GetLastError());
}
#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
CREATEFILE2_EXTENDED_PARAMETERS params = { sizeof(CREATEFILE2_EXTENDED_PARAMETERS), 0, 0, 0, {}, nullptr };
params.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
params.dwFileFlags = FILE_FLAG_OVERLAPPED | FILE_FLAG_SEQUENTIAL_SCAN;
ScopedHandle hFile(safe_handle(CreateFile2(
szFileName,
GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING,
¶ms)));
#else
ScopedHandle hFile(safe_handle(CreateFileW(
szFileName,
GENERIC_READ, FILE_SHARE_READ,
nullptr,
OPEN_EXISTING, FILE_FLAG_OVERLAPPED | FILE_FLAG_SEQUENTIAL_SCAN,
nullptr)));
#endif
if (!hFile)
{
return HRESULT_FROM_WIN32(GetLastError());
}
// Read and verify header
OVERLAPPED request = {};
request.hEvent = m_event.get();
bool wait = false;
if (!ReadFile(hFile.get(), &m_header, sizeof(m_header), nullptr, &request))
{
const DWORD error = GetLastError();
if (error != ERROR_IO_PENDING)
return HRESULT_FROM_WIN32(error);
wait = true;
}
DWORD bytes;
#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
std::ignore = wait;
BOOL result = GetOverlappedResultEx(hFile.get(), &request, &bytes, INFINITE, FALSE);
#else
if (wait)
{
std::ignore = WaitForSingleObject(m_event.get(), INFINITE);
}
BOOL result = GetOverlappedResult(hFile.get(), &request, &bytes, FALSE);
#endif
if (!result || (bytes != sizeof(m_header)))
{
return HRESULT_FROM_WIN32(GetLastError());
}
if (m_header.dwSignature != HEADER::SIGNATURE && m_header.dwSignature != HEADER::BE_SIGNATURE)
{
return E_FAIL;
}
const bool be = (m_header.dwSignature == HEADER::BE_SIGNATURE);
if (be)
{
DebugTrace("INFO: \"%ls\" is a big-endian (Xbox 360) wave bank\n", szFileName);
m_header.BigEndian();
}
if (m_header.dwHeaderVersion != HEADER::VERSION)
{
return E_FAIL;
}
// Load bank data
memset(&request, 0, sizeof(request));
request.Offset = m_header.Segments[HEADER::SEGIDX_BANKDATA].dwOffset;
request.hEvent = m_event.get();
wait = false;
if (!ReadFile(hFile.get(), &m_data, sizeof(m_data), nullptr, &request))
{
const DWORD error = GetLastError();
if (error != ERROR_IO_PENDING)
return HRESULT_FROM_WIN32(error);
wait = true;
}
#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
result = GetOverlappedResultEx(hFile.get(), &request, &bytes, INFINITE, FALSE);
#else
if (wait)
{
std::ignore = WaitForSingleObject(m_event.get(), INFINITE);
}
result = GetOverlappedResult(hFile.get(), &request, &bytes, FALSE);
#endif
if (!result || (bytes != sizeof(m_data)))
{
return HRESULT_FROM_WIN32(GetLastError());
}
if (be)
m_data.BigEndian();
if (!m_data.dwEntryCount)
{
return HRESULT_FROM_WIN32(ERROR_NO_DATA);
}
if (m_data.dwFlags & BANKDATA::TYPE_STREAMING)
{
if (m_data.dwAlignment < ALIGNMENT_DVD)
return E_FAIL;
if (m_data.dwAlignment % DVD_SECTOR_SIZE)
return E_FAIL;
}
else if (m_data.dwAlignment < ALIGNMENT_MIN)
{
return E_FAIL;
}
if (m_data.dwFlags & BANKDATA::FLAGS_COMPACT)
{
if (m_data.dwEntryMetaDataElementSize != sizeof(ENTRYCOMPACT))
{
return E_FAIL;
}
if (m_header.Segments[HEADER::SEGIDX_ENTRYWAVEDATA].dwLength > (MAX_COMPACT_DATA_SEGMENT_SIZE * m_data.dwAlignment))
{
// Data segment is too large to be valid compact wavebank
return E_FAIL;
}
}
else
{
if (m_data.dwEntryMetaDataElementSize != sizeof(ENTRY))
{
return E_FAIL;
}
}
const DWORD metadataBytes = m_header.Segments[HEADER::SEGIDX_ENTRYMETADATA].dwLength;
if (metadataBytes != (m_data.dwEntryCount * m_data.dwEntryMetaDataElementSize))
{
return E_FAIL;
}
// Load names
const DWORD namesBytes = m_header.Segments[HEADER::SEGIDX_ENTRYNAMES].dwLength;
if (namesBytes > 0)
{
if (namesBytes >= (m_data.dwEntryNameElementSize * m_data.dwEntryCount))
{
std::unique_ptr<char[]> temp(new (std::nothrow) char[namesBytes]);
if (!temp)
return E_OUTOFMEMORY;
memset(&request, 0, sizeof(request));
request.Offset = m_header.Segments[HEADER::SEGIDX_ENTRYNAMES].dwOffset;
request.hEvent = m_event.get();
wait = false;
if (!ReadFile(hFile.get(), temp.get(), namesBytes, nullptr, &request))
{
const DWORD error = GetLastError();
if (error != ERROR_IO_PENDING)
return HRESULT_FROM_WIN32(error);
wait = true;
}
#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
result = GetOverlappedResultEx(hFile.get(), &request, &bytes, INFINITE, FALSE);
#else
if (wait)
{
std::ignore = WaitForSingleObject(m_event.get(), INFINITE);
}
result = GetOverlappedResult(hFile.get(), &request, &bytes, FALSE);
#endif
if (!result || (namesBytes != bytes))
{
return HRESULT_FROM_WIN32(GetLastError());
}
for (uint32_t j = 0; j < m_data.dwEntryCount; ++j)
{
const DWORD n = m_data.dwEntryNameElementSize * j;
char name[64] = {};
strncpy_s(name, &temp[n], sizeof(name));
m_names[name] = j;
}
}
}
// Load entries
if (m_data.dwFlags & BANKDATA::FLAGS_COMPACT)
{
m_entries.reset(reinterpret_cast<uint8_t*>(new (std::nothrow) ENTRYCOMPACT[m_data.dwEntryCount]));
}
else
{
m_entries.reset(reinterpret_cast<uint8_t*>(new (std::nothrow) ENTRY[m_data.dwEntryCount]));
}
if (!m_entries)
return E_OUTOFMEMORY;
memset(&request, 0, sizeof(request));
request.Offset = m_header.Segments[HEADER::SEGIDX_ENTRYMETADATA].dwOffset;
request.hEvent = m_event.get();
wait = false;
if (!ReadFile(hFile.get(), m_entries.get(), metadataBytes, nullptr, &request))
{
const DWORD error = GetLastError();
if (error != ERROR_IO_PENDING)
return HRESULT_FROM_WIN32(error);
wait = true;
}
#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
result = GetOverlappedResultEx(hFile.get(), &request, &bytes, INFINITE, FALSE);
#else
if (wait)
{
std::ignore = WaitForSingleObject(m_event.get(), INFINITE);
}
result = GetOverlappedResult(hFile.get(), &request, &bytes, FALSE);
#endif
if (!result || (metadataBytes != bytes))
{
return HRESULT_FROM_WIN32(GetLastError());
}
if (be)
{
if (m_data.dwFlags & BANKDATA::FLAGS_COMPACT)
{
auto ptr = reinterpret_cast<ENTRYCOMPACT*>(m_entries.get());
for (size_t j = 0; j < m_data.dwEntryCount; ++j, ++ptr)
ptr->BigEndian();
}
else
{
auto ptr = reinterpret_cast<ENTRY*>(m_entries.get());
for (size_t j = 0; j < m_data.dwEntryCount; ++j, ++ptr)
ptr->BigEndian();
}
}
// Load seek tables (XMA2 / xWMA)
const DWORD seekLen = m_header.Segments[HEADER::SEGIDX_SEEKTABLES].dwLength;
if (seekLen > 0)
{
m_seekData.reset(new (std::nothrow) uint8_t[seekLen]);
if (!m_seekData)
return E_OUTOFMEMORY;
memset(&request, 0, sizeof(OVERLAPPED));
request.Offset = m_header.Segments[HEADER::SEGIDX_SEEKTABLES].dwOffset;
request.hEvent = m_event.get();
wait = false;
if (!ReadFile(hFile.get(), m_seekData.get(), seekLen, nullptr, &request))
{
const DWORD error = GetLastError();
if (error != ERROR_IO_PENDING)
return HRESULT_FROM_WIN32(error);
wait = true;
}
#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
result = GetOverlappedResultEx(hFile.get(), &request, &bytes, INFINITE, FALSE);
#else
if (wait)
{
std::ignore = WaitForSingleObject(m_event.get(), INFINITE);
}
result = GetOverlappedResult(hFile.get(), &request, &bytes, FALSE);
#endif
if (!result || (seekLen != bytes))
{
return HRESULT_FROM_WIN32(GetLastError());
}
if (be)
{
auto ptr = reinterpret_cast<uint32_t*>(m_seekData.get());
for (size_t j = 0; j < seekLen; j += 4, ++ptr)
{
*ptr = _byteswap_ulong(*ptr);
}
}
}
const DWORD waveLen = m_header.Segments[HEADER::SEGIDX_ENTRYWAVEDATA].dwLength;
if (!waveLen)
{
return HRESULT_FROM_WIN32(ERROR_NO_DATA);
}
if (m_data.dwFlags & BANKDATA::TYPE_STREAMING)
{
// If streaming, reopen without buffering
hFile.reset();
#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
CREATEFILE2_EXTENDED_PARAMETERS params2 = { sizeof(CREATEFILE2_EXTENDED_PARAMETERS), 0, 0, 0, {}, nullptr };
params2.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
params2.dwFileFlags = FILE_FLAG_OVERLAPPED | FILE_FLAG_NO_BUFFERING;
m_async = CreateFile2(szFileName,
GENERIC_READ,
FILE_SHARE_READ,
OPEN_EXISTING,
¶ms2);
#else
m_async = CreateFileW(szFileName,
GENERIC_READ,
FILE_SHARE_READ,
nullptr,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED | FILE_FLAG_NO_BUFFERING,
nullptr);
#endif
if (m_async == INVALID_HANDLE_VALUE)
{
return HRESULT_FROM_WIN32(GetLastError());
}
m_prepared = true;
}
else
{
// If in-memory, kick off read of wave data
void* dest = nullptr;
#ifdef DIRECTX_ENABLE_XMA2
bool xma = false;
if (m_data.dwFlags & BANKDATA::FLAGS_COMPACT)
{
if (m_data.CompactFormat.wFormatTag == MINIWAVEFORMAT::TAG_XMA)
xma = true;
}
else
{
for (uint32_t j = 0; j < m_data.dwEntryCount; ++j)
{
auto& entry = reinterpret_cast<const ENTRY*>(m_entries.get())[j];
if (entry.Format.wFormatTag == MINIWAVEFORMAT::TAG_XMA)
{
xma = true;
break;
}
}
}
if (xma)
{
HRESULT hr = ApuAlloc(&m_xmaMemory, nullptr, waveLen, SHAPE_XMA_INPUT_BUFFER_ALIGNMENT);
if (FAILED(hr))
{
DebugTrace("ERROR: ApuAlloc failed. Did you allocate a large enough heap with ApuCreateHeap for all your XMA wave data?\n");
return hr;
}
dest = m_xmaMemory;
}
else
#endif // XMA2
{
m_waveData.reset(new (std::nothrow) uint8_t[waveLen]);
if (!m_waveData)
return E_OUTOFMEMORY;
dest = m_waveData.get();
}
memset(&m_request, 0, sizeof(OVERLAPPED));
m_request.Offset = m_header.Segments[HEADER::SEGIDX_ENTRYWAVEDATA].dwOffset;
m_request.hEvent = m_event.get();
if (!ReadFile(hFile.get(), dest, waveLen, nullptr, &m_request))
{
const DWORD error = GetLastError();
if (error != ERROR_IO_PENDING)
return HRESULT_FROM_WIN32(error);
}
else
{
m_prepared = true;
memset(&m_request, 0, sizeof(OVERLAPPED));
}
m_async = hFile.release();
}
return S_OK;
}
void WaveBankReader::Impl::Close() noexcept
{
if (m_async != INVALID_HANDLE_VALUE)
{
if (m_request.hEvent)
{
DWORD bytes;
#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
std::ignore = GetOverlappedResultEx(m_async, &m_request, &bytes, INFINITE, FALSE);
#else
std::ignore = WaitForSingleObject(m_request.hEvent, INFINITE);
std::ignore = GetOverlappedResult(m_async, &m_request, &bytes, FALSE);
#endif
}
CloseHandle(m_async);
m_async = INVALID_HANDLE_VALUE;
}
m_event.reset();
#ifdef DIRECTX_ENABLE_XMA2
if (m_xmaMemory)
{
ApuFree(m_xmaMemory);
m_xmaMemory = nullptr;
}
#endif
}
_Use_decl_annotations_
HRESULT WaveBankReader::Impl::GetFormat(uint32_t index, WAVEFORMATEX* pFormat, size_t maxsize) const noexcept
{
if (!pFormat || !maxsize)
return E_INVALIDARG;
if (index >= m_data.dwEntryCount || !m_entries)
{
return E_FAIL;
}
auto& miniFmt = (m_data.dwFlags & BANKDATA::FLAGS_COMPACT) ? m_data.CompactFormat : (reinterpret_cast<const ENTRY*>(m_entries.get())[index].Format);
switch (miniFmt.wFormatTag)
{
case MINIWAVEFORMAT::TAG_PCM:
if (maxsize < sizeof(PCMWAVEFORMAT))
return HRESULT_FROM_WIN32(ERROR_MORE_DATA);
pFormat->wFormatTag = WAVE_FORMAT_PCM;
if (maxsize >= sizeof(WAVEFORMATEX))
{
pFormat->cbSize = 0;
}
break;
case MINIWAVEFORMAT::TAG_ADPCM:
if (maxsize < (sizeof(WAVEFORMATEX) + MSADPCM_FORMAT_EXTRA_BYTES))
return HRESULT_FROM_WIN32(ERROR_MORE_DATA);
pFormat->wFormatTag = WAVE_FORMAT_ADPCM;