LGram16
dd97ddec92
Move git root from Client/ to src/ to track all source code: - Client: Game client source (moved to Client/Client/) - Server: Game server source - GameTools: Development tools - CryptoSource: Encryption utilities - database: Database scripts - Script: Game scripts - rylCoder_16.02.2008_src: Legacy coder tools - GMFont, Game: Additional resources 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
556 lines
18 KiB
C++
556 lines
18 KiB
C++
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#include "Wave.h"
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#include <dxerr8.h>
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#pragma comment(lib, "winmm.lib")
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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_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( LPTSTR 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, TEXT("WAVE") ) ) )
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{
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if( NULL == ( hResInfo = FindResource( NULL, strFileName, TEXT("WAV") ) ) )
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return DXTRACE_ERR_NOMSGBOX( TEXT("FindResource"), E_FAIL );
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}
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if( NULL == ( hResData = LoadResource( NULL, hResInfo ) ) )
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return DXTRACE_ERR( TEXT("LoadResource"), E_FAIL );
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if( 0 == ( dwSize = SizeofResource( NULL, hResInfo ) ) )
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return DXTRACE_ERR( TEXT("SizeofResource"), E_FAIL );
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if( NULL == ( pvRes = LockResource( hResData ) ) )
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return DXTRACE_ERR( TEXT("LockResource"), E_FAIL );
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CHAR* pData = new CHAR[ dwSize ];
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memcpy( pData, 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*) pData;
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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_NOMSGBOX( TEXT("ReadMMIO"), hr );
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}
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if( FAILED( hr = ResetFile() ) )
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return DXTRACE_ERR( TEXT("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( TEXT("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( TEXT("WriteMMIO"), hr );
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}
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if( FAILED( hr = ResetFile() ) )
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return DXTRACE_ERR( TEXT("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( TEXT("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_NOMSGBOX( TEXT("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( TEXT("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( TEXT("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( TEXT("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( TEXT("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( TEXT("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( TEXT("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( TEXT("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( TEXT("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( TEXT("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( TEXT("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( TEXT("mmioCreateChunk"), E_FAIL );
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if( 0 != mmioGetInfo( m_hmmio, &m_mmioinfoOut, 0 ) )
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return DXTRACE_ERR( TEXT("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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CopyMemory( pBuffer, m_pbDataCur, dwSizeToRead );
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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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if( pdwSizeRead != NULL )
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*pdwSizeRead = 0;
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if( 0 != mmioGetInfo( m_hmmio, &mmioinfoIn, 0 ) )
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return DXTRACE_ERR( TEXT("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( TEXT("mmioAdvance"), E_FAIL );
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if( mmioinfoIn.pchNext == mmioinfoIn.pchEndRead )
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return DXTRACE_ERR( TEXT("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++;
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}
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if( 0 != mmioSetInfo( m_hmmio, &mmioinfoIn, 0 ) )
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return DXTRACE_ERR( TEXT("mmioSetInfo"), E_FAIL );
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if( pdwSizeRead != NULL )
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*pdwSizeRead = cbDataIn;
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return S_OK;
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}
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}
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//-----------------------------------------------------------------------------
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// Name: CWaveFile::Seek()
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// Desc: Seek Wave File
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//-----------------------------------------------------------------------------
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LONG CWaveFile::Seek( LONG offset, int Origin )
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{
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return mmioSeek( m_hmmio, offset, Origin );
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}
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//-----------------------------------------------------------------------------
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// Name: CWaveFile::Close()
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// Desc: Closes the wave file
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//-----------------------------------------------------------------------------
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HRESULT CWaveFile::Close()
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{
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if( m_dwFlags == WAVEFILE_READ )
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{
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mmioClose( m_hmmio, 0 );
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m_hmmio = NULL;
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}
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else
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{
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m_mmioinfoOut.dwFlags |= MMIO_DIRTY;
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if( m_hmmio == NULL )
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return CO_E_NOTINITIALIZED;
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if( 0 != mmioSetInfo( m_hmmio, &m_mmioinfoOut, 0 ) )
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return DXTRACE_ERR( TEXT("mmioSetInfo"), E_FAIL );
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// Ascend the output file out of the 'data' chunk -- this will cause
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// the chunk size of the 'data' chunk to be written.
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if( 0 != mmioAscend( m_hmmio, &m_ck, 0 ) )
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return DXTRACE_ERR( TEXT("mmioAscend"), E_FAIL );
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// Do this here instead...
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if( 0 != mmioAscend( m_hmmio, &m_ckRiff, 0 ) )
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return DXTRACE_ERR( TEXT("mmioAscend"), E_FAIL );
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mmioSeek( m_hmmio, 0, SEEK_SET );
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if( 0 != (INT)mmioDescend( m_hmmio, &m_ckRiff, NULL, 0 ) )
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return DXTRACE_ERR( TEXT("mmioDescend"), E_FAIL );
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m_ck.ckid = mmioFOURCC('f', 'a', 'c', 't');
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if( 0 == mmioDescend( m_hmmio, &m_ck, &m_ckRiff, MMIO_FINDCHUNK ) )
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{
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DWORD dwSamples = 0;
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mmioWrite( m_hmmio, (HPSTR)&dwSamples, sizeof(DWORD) );
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mmioAscend( m_hmmio, &m_ck, 0 );
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}
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// Ascend the output file out of the 'RIFF' chunk -- this will cause
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// the chunk size of the 'RIFF' chunk to be written.
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if( 0 != mmioAscend( m_hmmio, &m_ckRiff, 0 ) )
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return DXTRACE_ERR( TEXT("mmioAscend"), E_FAIL );
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mmioClose( m_hmmio, 0 );
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m_hmmio = NULL;
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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::WriteMMIO()
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// Desc: Support function for reading from a multimedia I/O stream
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// pwfxDest is the WAVEFORMATEX for this new wave file.
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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_ck.
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//-----------------------------------------------------------------------------
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HRESULT CWaveFile::WriteMMIO( WAVEFORMATEX *pwfxDest )
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{
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DWORD dwFactChunk; // Contains the actual fact chunk. Garbage until WaveCloseWriteFile.
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MMCKINFO ckOut1;
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dwFactChunk = (DWORD)-1;
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// Create the output file RIFF chunk of form type 'WAVE'.
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m_ckRiff.fccType = mmioFOURCC('W', 'A', 'V', 'E');
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m_ckRiff.cksize = 0;
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if( 0 != mmioCreateChunk( m_hmmio, &m_ckRiff, MMIO_CREATERIFF ) )
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return DXTRACE_ERR( TEXT("mmioCreateChunk"), E_FAIL );
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// We are now descended into the 'RIFF' chunk we just created.
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// Now create the 'fmt ' chunk. Since we know the size of this chunk,
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// specify it in the MMCKINFO structure so MMIO doesn't have to seek
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// back and set the chunk size after ascending from the chunk.
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m_ck.ckid = mmioFOURCC('f', 'm', 't', ' ');
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m_ck.cksize = sizeof(PCMWAVEFORMAT);
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if( 0 != mmioCreateChunk( m_hmmio, &m_ck, 0 ) )
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return DXTRACE_ERR( TEXT("mmioCreateChunk"), E_FAIL );
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// Write the PCMWAVEFORMAT structure to the 'fmt ' chunk if its that type.
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if( pwfxDest->wFormatTag == WAVE_FORMAT_PCM )
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{
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if( mmioWrite( m_hmmio, (HPSTR) pwfxDest,
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sizeof(PCMWAVEFORMAT)) != sizeof(PCMWAVEFORMAT))
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return DXTRACE_ERR( TEXT("mmioWrite"), E_FAIL );
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}
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else
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{
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// Write the variable length size.
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if( (UINT)mmioWrite( m_hmmio, (HPSTR) pwfxDest,
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sizeof(*pwfxDest) + pwfxDest->cbSize ) !=
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( sizeof(*pwfxDest) + pwfxDest->cbSize ) )
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return DXTRACE_ERR( TEXT("mmioWrite"), E_FAIL );
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}
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// Ascend out of the 'fmt ' chunk, back into the 'RIFF' chunk.
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if( 0 != mmioAscend( m_hmmio, &m_ck, 0 ) )
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return DXTRACE_ERR( TEXT("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( TEXT("mmioCreateChunk"), E_FAIL );
|
|
|
|
if( mmioWrite( m_hmmio, (HPSTR)&dwFactChunk, sizeof(dwFactChunk)) !=
|
|
sizeof(dwFactChunk) )
|
|
return DXTRACE_ERR( TEXT("mmioWrite"), E_FAIL );
|
|
|
|
// Now ascend out of the fact chunk...
|
|
if( 0 != mmioAscend( m_hmmio, &ckOut1, 0 ) )
|
|
return DXTRACE_ERR( TEXT("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( TEXT("mmioAdvance"), E_FAIL );
|
|
}
|
|
|
|
*((BYTE*)m_mmioinfoOut.pchNext) = *((BYTE*)pbSrcData+cT);
|
|
(BYTE*)m_mmioinfoOut.pchNext++;
|
|
|
|
(*pnSizeWrote)++;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
|