540 lines
19 KiB
C++
540 lines
19 KiB
C++
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//-----------------------------------------------------------------------------
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// File: SDKWaveFile.cpp
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//
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// Desc: Classes for reading and writing wav files. Feel free to use this class
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// as a starting point for adding extra functionality.
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//
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// XNA Developer Connection
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//
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// Copyright (c) Microsoft Corp. All rights reserved.
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//-----------------------------------------------------------------------------
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#define STRICT
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#include "DXUT.h"
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#include "SDKwavefile.h"
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#undef min // use __min instead
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#undef max // use __max instead
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//-----------------------------------------------------------------------------
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// Name: CWaveFile::CWaveFile()
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// Desc: Constructs the class. Call Open() to open a wave file for reading.
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// Then call Read() as needed. Calling the destructor or Close()
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// will close the file.
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//-----------------------------------------------------------------------------
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CWaveFile::CWaveFile()
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{
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m_pwfx = NULL;
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m_hmmio = NULL;
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m_pResourceBuffer = NULL;
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m_dwSize = 0;
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m_bIsReadingFromMemory = FALSE;
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}
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//-----------------------------------------------------------------------------
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// Name: CWaveFile::~CWaveFile()
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// Desc: Destructs the class
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//-----------------------------------------------------------------------------
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CWaveFile::~CWaveFile()
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{
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Close();
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if( !m_bIsReadingFromMemory )
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SAFE_DELETE_ARRAY( m_pwfx );
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}
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//-----------------------------------------------------------------------------
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// Name: CWaveFile::Open()
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// Desc: Opens a wave file for reading
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//-----------------------------------------------------------------------------
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HRESULT CWaveFile::Open( LPWSTR strFileName, WAVEFORMATEX* pwfx, DWORD dwFlags )
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{
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HRESULT hr;
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m_dwFlags = dwFlags;
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m_bIsReadingFromMemory = FALSE;
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if( m_dwFlags == WAVEFILE_READ )
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{
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if( strFileName == NULL )
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return E_INVALIDARG;
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SAFE_DELETE_ARRAY( m_pwfx );
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m_hmmio = mmioOpen( strFileName, NULL, MMIO_ALLOCBUF | MMIO_READ );
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if( NULL == m_hmmio )
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{
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HRSRC hResInfo;
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HGLOBAL hResData;
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DWORD dwSize;
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VOID* pvRes;
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// Loading it as a file failed, so try it as a resource
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if( NULL == ( hResInfo = FindResource( NULL, strFileName, L"WAVE" ) ) )
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{
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if( NULL == ( hResInfo = FindResource( NULL, strFileName, L"WAV" ) ) )
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return DXTRACE_ERR( L"FindResource", E_FAIL );
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}
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if( NULL == ( hResData = LoadResource( GetModuleHandle( NULL ), hResInfo ) ) )
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return DXTRACE_ERR( L"LoadResource", E_FAIL );
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if( 0 == ( dwSize = SizeofResource( GetModuleHandle( NULL ), hResInfo ) ) )
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return DXTRACE_ERR( L"SizeofResource", E_FAIL );
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if( NULL == ( pvRes = LockResource( hResData ) ) )
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return DXTRACE_ERR( L"LockResource", E_FAIL );
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m_pResourceBuffer = new CHAR[ dwSize ];
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if( m_pResourceBuffer == NULL )
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return DXTRACE_ERR( L"new", E_OUTOFMEMORY );
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memcpy( m_pResourceBuffer, pvRes, dwSize );
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MMIOINFO mmioInfo;
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ZeroMemory( &mmioInfo, sizeof( mmioInfo ) );
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mmioInfo.fccIOProc = FOURCC_MEM;
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mmioInfo.cchBuffer = dwSize;
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mmioInfo.pchBuffer = ( CHAR* )m_pResourceBuffer;
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m_hmmio = mmioOpen( NULL, &mmioInfo, MMIO_ALLOCBUF | MMIO_READ );
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}
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if( FAILED( hr = ReadMMIO() ) )
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{
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// ReadMMIO will fail if its an not a wave file
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mmioClose( m_hmmio, 0 );
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return DXTRACE_ERR( L"ReadMMIO", hr );
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}
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if( FAILED( hr = ResetFile() ) )
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return DXTRACE_ERR( L"ResetFile", hr );
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// After the reset, the size of the wav file is m_ck.cksize so store it now
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m_dwSize = m_ck.cksize;
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}
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else
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{
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m_hmmio = mmioOpen( strFileName, NULL, MMIO_ALLOCBUF |
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MMIO_READWRITE |
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MMIO_CREATE );
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if( NULL == m_hmmio )
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return DXTRACE_ERR( L"mmioOpen", E_FAIL );
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if( FAILED( hr = WriteMMIO( pwfx ) ) )
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{
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mmioClose( m_hmmio, 0 );
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return DXTRACE_ERR( L"WriteMMIO", hr );
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}
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if( FAILED( hr = ResetFile() ) )
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return DXTRACE_ERR( L"ResetFile", hr );
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}
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return hr;
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}
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//-----------------------------------------------------------------------------
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// Name: CWaveFile::OpenFromMemory()
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// Desc: copy data to CWaveFile member variable from memory
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//-----------------------------------------------------------------------------
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HRESULT CWaveFile::OpenFromMemory( BYTE* pbData, ULONG ulDataSize,
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WAVEFORMATEX* pwfx, DWORD dwFlags )
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{
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m_pwfx = pwfx;
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m_ulDataSize = ulDataSize;
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m_pbData = pbData;
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m_pbDataCur = m_pbData;
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m_bIsReadingFromMemory = TRUE;
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if( dwFlags != WAVEFILE_READ )
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return E_NOTIMPL;
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: CWaveFile::ReadMMIO()
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// Desc: Support function for reading from a multimedia I/O stream.
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// m_hmmio must be valid before calling. This function uses it to
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// update m_ckRiff, and m_pwfx.
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//-----------------------------------------------------------------------------
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HRESULT CWaveFile::ReadMMIO()
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{
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MMCKINFO ckIn; // chunk info. for general use.
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PCMWAVEFORMAT pcmWaveFormat; // Temp PCM structure to load in.
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m_pwfx = NULL;
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if( ( 0 != mmioDescend( m_hmmio, &m_ckRiff, NULL, 0 ) ) )
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return DXTRACE_ERR( L"mmioDescend", E_FAIL );
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// Check to make sure this is a valid wave file
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if( ( m_ckRiff.ckid != FOURCC_RIFF ) ||
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( m_ckRiff.fccType != mmioFOURCC( 'W', 'A', 'V', 'E' ) ) )
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return DXTRACE_ERR( L"mmioFOURCC", E_FAIL );
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// Search the input file for for the 'fmt ' chunk.
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ckIn.ckid = mmioFOURCC( 'f', 'm', 't', ' ' );
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if( 0 != mmioDescend( m_hmmio, &ckIn, &m_ckRiff, MMIO_FINDCHUNK ) )
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return DXTRACE_ERR( L"mmioDescend", E_FAIL );
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// Expect the 'fmt' chunk to be at least as large as <PCMWAVEFORMAT>;
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// if there are extra parameters at the end, we'll ignore them
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if( ckIn.cksize < ( LONG )sizeof( PCMWAVEFORMAT ) )
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return DXTRACE_ERR( L"sizeof(PCMWAVEFORMAT)", E_FAIL );
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// Read the 'fmt ' chunk into <pcmWaveFormat>.
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if( mmioRead( m_hmmio, ( HPSTR )&pcmWaveFormat,
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sizeof( pcmWaveFormat ) ) != sizeof( pcmWaveFormat ) )
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return DXTRACE_ERR( L"mmioRead", E_FAIL );
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// Allocate the waveformatex, but if its not pcm format, read the next
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// word, and thats how many extra bytes to allocate.
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if( pcmWaveFormat.wf.wFormatTag == WAVE_FORMAT_PCM )
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{
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m_pwfx = ( WAVEFORMATEX* )new CHAR[ sizeof( WAVEFORMATEX ) ];
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if( NULL == m_pwfx )
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return DXTRACE_ERR( L"m_pwfx", E_FAIL );
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// Copy the bytes from the pcm structure to the waveformatex structure
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memcpy( m_pwfx, &pcmWaveFormat, sizeof( pcmWaveFormat ) );
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m_pwfx->cbSize = 0;
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}
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else
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{
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// Read in length of extra bytes.
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WORD cbExtraBytes = 0L;
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if( mmioRead( m_hmmio, ( CHAR* )&cbExtraBytes, sizeof( WORD ) ) != sizeof( WORD ) )
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return DXTRACE_ERR( L"mmioRead", E_FAIL );
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m_pwfx = ( WAVEFORMATEX* )new CHAR[ sizeof( WAVEFORMATEX ) + cbExtraBytes ];
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if( NULL == m_pwfx )
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return DXTRACE_ERR( L"new", E_FAIL );
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// Copy the bytes from the pcm structure to the waveformatex structure
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memcpy( m_pwfx, &pcmWaveFormat, sizeof( pcmWaveFormat ) );
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m_pwfx->cbSize = cbExtraBytes;
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// Now, read those extra bytes into the structure, if cbExtraAlloc != 0.
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if( mmioRead( m_hmmio, ( CHAR* )( ( ( BYTE* )&( m_pwfx->cbSize ) ) + sizeof( WORD ) ),
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cbExtraBytes ) != cbExtraBytes )
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{
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SAFE_DELETE( m_pwfx );
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return DXTRACE_ERR( L"mmioRead", E_FAIL );
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}
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}
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// Ascend the input file out of the 'fmt ' chunk.
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if( 0 != mmioAscend( m_hmmio, &ckIn, 0 ) )
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{
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SAFE_DELETE( m_pwfx );
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return DXTRACE_ERR( L"mmioAscend", E_FAIL );
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}
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: CWaveFile::GetSize()
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// Desc: Retuns the size of the read access wave file
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//-----------------------------------------------------------------------------
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DWORD CWaveFile::GetSize()
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{
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return m_dwSize;
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}
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//-----------------------------------------------------------------------------
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// Name: CWaveFile::ResetFile()
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// Desc: Resets the internal m_ck pointer so reading starts from the
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// beginning of the file again
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//-----------------------------------------------------------------------------
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HRESULT CWaveFile::ResetFile()
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{
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if( m_bIsReadingFromMemory )
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{
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m_pbDataCur = m_pbData;
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}
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else
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{
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if( m_hmmio == NULL )
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return CO_E_NOTINITIALIZED;
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if( m_dwFlags == WAVEFILE_READ )
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{
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// Seek to the data
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if( -1 == mmioSeek( m_hmmio, m_ckRiff.dwDataOffset + sizeof( FOURCC ),
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SEEK_SET ) )
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return DXTRACE_ERR( L"mmioSeek", E_FAIL );
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// Search the input file for the 'data' chunk.
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m_ck.ckid = mmioFOURCC( 'd', 'a', 't', 'a' );
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if( 0 != mmioDescend( m_hmmio, &m_ck, &m_ckRiff, MMIO_FINDCHUNK ) )
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return DXTRACE_ERR( L"mmioDescend", E_FAIL );
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}
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else
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{
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// Create the 'data' chunk that holds the waveform samples.
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m_ck.ckid = mmioFOURCC( 'd', 'a', 't', 'a' );
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m_ck.cksize = 0;
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if( 0 != mmioCreateChunk( m_hmmio, &m_ck, 0 ) )
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return DXTRACE_ERR( L"mmioCreateChunk", E_FAIL );
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if( 0 != mmioGetInfo( m_hmmio, &m_mmioinfoOut, 0 ) )
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return DXTRACE_ERR( L"mmioGetInfo", E_FAIL );
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}
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}
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return S_OK;
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}
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//-----------------------------------------------------------------------------
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// Name: CWaveFile::Read()
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// Desc: Reads section of data from a wave file into pBuffer and returns
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// how much read in pdwSizeRead, reading not more than dwSizeToRead.
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// This uses m_ck to determine where to start reading from. So
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// subsequent calls will be continue where the last left off unless
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// Reset() is called.
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//-----------------------------------------------------------------------------
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HRESULT CWaveFile::Read( BYTE* pBuffer, DWORD dwSizeToRead, DWORD* pdwSizeRead )
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{
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if( m_bIsReadingFromMemory )
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{
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if( m_pbDataCur == NULL )
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return CO_E_NOTINITIALIZED;
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if( pdwSizeRead != NULL )
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*pdwSizeRead = 0;
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if( ( BYTE* )( m_pbDataCur + dwSizeToRead ) >
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( BYTE* )( m_pbData + m_ulDataSize ) )
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{
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dwSizeToRead = m_ulDataSize - ( DWORD )( m_pbDataCur - m_pbData );
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}
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#pragma warning( disable: 4616 ) // disable warning about warning number '22104' being out of range
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#pragma warning( disable: 22104 ) // disable PREfast warning during static code analysis
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CopyMemory( pBuffer, m_pbDataCur, dwSizeToRead );
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#pragma warning( default: 22104 )
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#pragma warning( default: 4616 )
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if( pdwSizeRead != NULL )
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*pdwSizeRead = dwSizeToRead;
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return S_OK;
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}
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else
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{
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MMIOINFO mmioinfoIn; // current status of m_hmmio
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if( m_hmmio == NULL )
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return CO_E_NOTINITIALIZED;
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if( pBuffer == NULL || pdwSizeRead == NULL )
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return E_INVALIDARG;
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*pdwSizeRead = 0;
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if( 0 != mmioGetInfo( m_hmmio, &mmioinfoIn, 0 ) )
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return DXTRACE_ERR( L"mmioGetInfo", E_FAIL );
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UINT cbDataIn = dwSizeToRead;
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if( cbDataIn > m_ck.cksize )
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cbDataIn = m_ck.cksize;
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m_ck.cksize -= cbDataIn;
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for( DWORD cT = 0; cT < cbDataIn; cT++ )
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{
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// Copy the bytes from the io to the buffer.
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if( mmioinfoIn.pchNext == mmioinfoIn.pchEndRead )
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{
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if( 0 != mmioAdvance( m_hmmio, &mmioinfoIn, MMIO_READ ) )
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return DXTRACE_ERR( L"mmioAdvance", E_FAIL );
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if( mmioinfoIn.pchNext == mmioinfoIn.pchEndRead )
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return DXTRACE_ERR( L"mmioinfoIn.pchNext", E_FAIL );
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}
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// Actual copy.
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*( ( BYTE* )pBuffer + cT ) = *( ( BYTE* )mmioinfoIn.pchNext );
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||
|
|
mmioinfoIn.pchNext++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if( 0 != mmioSetInfo( m_hmmio, &mmioinfoIn, 0 ) )
|
||
|
|
return DXTRACE_ERR( L"mmioSetInfo", E_FAIL );
|
||
|
|
|
||
|
|
*pdwSizeRead = cbDataIn;
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Name: CWaveFile::Close()
|
||
|
|
// Desc: Closes the wave file
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
HRESULT CWaveFile::Close()
|
||
|
|
{
|
||
|
|
if( m_dwFlags == WAVEFILE_READ )
|
||
|
|
{
|
||
|
|
mmioClose( m_hmmio, 0 );
|
||
|
|
m_hmmio = NULL;
|
||
|
|
SAFE_DELETE_ARRAY( m_pResourceBuffer );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_mmioinfoOut.dwFlags |= MMIO_DIRTY;
|
||
|
|
|
||
|
|
if( m_hmmio == NULL )
|
||
|
|
return CO_E_NOTINITIALIZED;
|
||
|
|
|
||
|
|
if( 0 != mmioSetInfo( m_hmmio, &m_mmioinfoOut, 0 ) )
|
||
|
|
return DXTRACE_ERR( L"mmioSetInfo", E_FAIL );
|
||
|
|
|
||
|
|
// Ascend the output file out of the 'data' chunk -- this will cause
|
||
|
|
// the chunk size of the 'data' chunk to be written.
|
||
|
|
if( 0 != mmioAscend( m_hmmio, &m_ck, 0 ) )
|
||
|
|
return DXTRACE_ERR( L"mmioAscend", E_FAIL );
|
||
|
|
|
||
|
|
// Do this here instead...
|
||
|
|
if( 0 != mmioAscend( m_hmmio, &m_ckRiff, 0 ) )
|
||
|
|
return DXTRACE_ERR( L"mmioAscend", E_FAIL );
|
||
|
|
|
||
|
|
mmioSeek( m_hmmio, 0, SEEK_SET );
|
||
|
|
|
||
|
|
if( 0 != ( INT )mmioDescend( m_hmmio, &m_ckRiff, NULL, 0 ) )
|
||
|
|
return DXTRACE_ERR( L"mmioDescend", E_FAIL );
|
||
|
|
|
||
|
|
m_ck.ckid = mmioFOURCC( 'f', 'a', 'c', 't' );
|
||
|
|
|
||
|
|
if( 0 == mmioDescend( m_hmmio, &m_ck, &m_ckRiff, MMIO_FINDCHUNK ) )
|
||
|
|
{
|
||
|
|
DWORD dwSamples = 0;
|
||
|
|
mmioWrite( m_hmmio, ( HPSTR )&dwSamples, sizeof( DWORD ) );
|
||
|
|
mmioAscend( m_hmmio, &m_ck, 0 );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Ascend the output file out of the 'RIFF' chunk -- this will cause
|
||
|
|
// the chunk size of the 'RIFF' chunk to be written.
|
||
|
|
if( 0 != mmioAscend( m_hmmio, &m_ckRiff, 0 ) )
|
||
|
|
return DXTRACE_ERR( L"mmioAscend", E_FAIL );
|
||
|
|
|
||
|
|
mmioClose( m_hmmio, 0 );
|
||
|
|
m_hmmio = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Name: CWaveFile::WriteMMIO()
|
||
|
|
// Desc: Support function for reading from a multimedia I/O stream
|
||
|
|
// pwfxDest is the WAVEFORMATEX for this new wave file.
|
||
|
|
// m_hmmio must be valid before calling. This function uses it to
|
||
|
|
// update m_ckRiff, and m_ck.
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
HRESULT CWaveFile::WriteMMIO( WAVEFORMATEX* pwfxDest )
|
||
|
|
{
|
||
|
|
DWORD dwFactChunk; // Contains the actual fact chunk. Garbage until WaveCloseWriteFile.
|
||
|
|
MMCKINFO ckOut1;
|
||
|
|
|
||
|
|
dwFactChunk = ( DWORD )-1;
|
||
|
|
|
||
|
|
// Create the output file RIFF chunk of form type 'WAVE'.
|
||
|
|
m_ckRiff.fccType = mmioFOURCC( 'W', 'A', 'V', 'E' );
|
||
|
|
m_ckRiff.cksize = 0;
|
||
|
|
|
||
|
|
if( 0 != mmioCreateChunk( m_hmmio, &m_ckRiff, MMIO_CREATERIFF ) )
|
||
|
|
return DXTRACE_ERR( L"mmioCreateChunk", E_FAIL );
|
||
|
|
|
||
|
|
// We are now descended into the 'RIFF' chunk we just created.
|
||
|
|
// Now create the 'fmt ' chunk. Since we know the size of this chunk,
|
||
|
|
// specify it in the MMCKINFO structure so MMIO doesn't have to seek
|
||
|
|
// back and set the chunk size after ascending from the chunk.
|
||
|
|
m_ck.ckid = mmioFOURCC( 'f', 'm', 't', ' ' );
|
||
|
|
m_ck.cksize = sizeof( PCMWAVEFORMAT );
|
||
|
|
|
||
|
|
if( 0 != mmioCreateChunk( m_hmmio, &m_ck, 0 ) )
|
||
|
|
return DXTRACE_ERR( L"mmioCreateChunk", E_FAIL );
|
||
|
|
|
||
|
|
// Write the PCMWAVEFORMAT structure to the 'fmt ' chunk if its that type.
|
||
|
|
if( pwfxDest->wFormatTag == WAVE_FORMAT_PCM )
|
||
|
|
{
|
||
|
|
if( mmioWrite( m_hmmio, ( HPSTR )pwfxDest,
|
||
|
|
sizeof( PCMWAVEFORMAT ) ) != sizeof( PCMWAVEFORMAT ) )
|
||
|
|
return DXTRACE_ERR( L"mmioWrite", E_FAIL );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Write the variable length size.
|
||
|
|
if( ( UINT )mmioWrite( m_hmmio, ( HPSTR )pwfxDest,
|
||
|
|
sizeof( *pwfxDest ) + pwfxDest->cbSize ) !=
|
||
|
|
( sizeof( *pwfxDest ) + pwfxDest->cbSize ) )
|
||
|
|
return DXTRACE_ERR( L"mmioWrite", E_FAIL );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Ascend out of the 'fmt ' chunk, back into the 'RIFF' chunk.
|
||
|
|
if( 0 != mmioAscend( m_hmmio, &m_ck, 0 ) )
|
||
|
|
return DXTRACE_ERR( L"mmioAscend", E_FAIL );
|
||
|
|
|
||
|
|
// Now create the fact chunk, not required for PCM but nice to have. This is filled
|
||
|
|
// in when the close routine is called.
|
||
|
|
ckOut1.ckid = mmioFOURCC( 'f', 'a', 'c', 't' );
|
||
|
|
ckOut1.cksize = 0;
|
||
|
|
|
||
|
|
if( 0 != mmioCreateChunk( m_hmmio, &ckOut1, 0 ) )
|
||
|
|
return DXTRACE_ERR( L"mmioCreateChunk", E_FAIL );
|
||
|
|
|
||
|
|
if( mmioWrite( m_hmmio, ( HPSTR )&dwFactChunk, sizeof( dwFactChunk ) ) !=
|
||
|
|
sizeof( dwFactChunk ) )
|
||
|
|
return DXTRACE_ERR( L"mmioWrite", E_FAIL );
|
||
|
|
|
||
|
|
// Now ascend out of the fact chunk...
|
||
|
|
if( 0 != mmioAscend( m_hmmio, &ckOut1, 0 ) )
|
||
|
|
return DXTRACE_ERR( L"mmioAscend", E_FAIL );
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Name: CWaveFile::Write()
|
||
|
|
// Desc: Writes data to the open wave file
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
HRESULT CWaveFile::Write( UINT nSizeToWrite, BYTE* pbSrcData, UINT* pnSizeWrote )
|
||
|
|
{
|
||
|
|
UINT cT;
|
||
|
|
|
||
|
|
if( m_bIsReadingFromMemory )
|
||
|
|
return E_NOTIMPL;
|
||
|
|
if( m_hmmio == NULL )
|
||
|
|
return CO_E_NOTINITIALIZED;
|
||
|
|
if( pnSizeWrote == NULL || pbSrcData == NULL )
|
||
|
|
return E_INVALIDARG;
|
||
|
|
|
||
|
|
*pnSizeWrote = 0;
|
||
|
|
|
||
|
|
for( cT = 0; cT < nSizeToWrite; cT++ )
|
||
|
|
{
|
||
|
|
if( m_mmioinfoOut.pchNext == m_mmioinfoOut.pchEndWrite )
|
||
|
|
{
|
||
|
|
m_mmioinfoOut.dwFlags |= MMIO_DIRTY;
|
||
|
|
if( 0 != mmioAdvance( m_hmmio, &m_mmioinfoOut, MMIO_WRITE ) )
|
||
|
|
return DXTRACE_ERR( L"mmioAdvance", E_FAIL );
|
||
|
|
}
|
||
|
|
|
||
|
|
*( ( BYTE* )m_mmioinfoOut.pchNext ) = *( ( BYTE* )pbSrcData + cT );
|
||
|
|
( BYTE* )m_mmioinfoOut.pchNext++;
|
||
|
|
|
||
|
|
( *pnSizeWrote )++;
|
||
|
|
}
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|