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Rio052_rha.cpp
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389 lines (313 loc) · 8.83 KB
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//
//
#include "stdafx.h"
#include <Mmsystem.h>
#include "T_Heap.h"
#include "I001_Rio.h"
#include "I010_StreamWave.h"
#include "mpglib.h"
//
#ifdef _MT
void AFXAPI AfxLockGlobals( int nLockType );
void AFXAPI AfxUnlockGlobals( int nLockType );
#else
#define AfxLockGlobals(nLockType)
#define AfxUnlockGlobals(nLockType)
#endif
//
//
CRuntimeClass* GetRuntimeClassID( LPCTSTR lpszClassName )
{
//バージョンの一致しない、古いバージョンにあえてプラグインする場合
/* HINSTANCE hInst = ::LoadLibrary( "UnivUI.dll" );
if ( hInst == NULL )
return NULL;
FARPROC pfnHook = ::GetProcAddress( hInst, "?classCStreamWave@CStreamWave@@2UCRioRTC@@A" );
if ( pfnHook == NULL )
{
::FreeLibrary( hInst );
return NULL;
}
::FreeLibrary( hInst ); // It is wrong. (pfnHook)
return (CRuntimeClass *)pfnHook;*/
CRuntimeClass* pClass;
AFX_MODULE_STATE* pModuleState = AfxGetModuleState();
AfxLockGlobals( 0 );
for ( pClass = pModuleState->m_classList; pClass != NULL; pClass = pClass->m_pNextClass )
{
if ( lstrcmp( lpszClassName, pClass->m_lpszClassName ) == 0 )
{
AfxUnlockGlobals( 0 );
return pClass;
}
}
for ( CDynLinkLibrary* pDLL = pModuleState->m_libraryList; pDLL != NULL; pDLL = pDLL->m_pNextDLL )
{
for ( pClass = pDLL->m_classList; pClass != NULL; pClass = pClass->m_pNextClass )
{
if ( lstrcmp( lpszClassName, pClass->m_lpszClassName ) == 0 )
{
AfxUnlockGlobals( 0 );
return pClass;
}
}
}
AfxUnlockGlobals( 0 );
return NULL;
}
//===========================================================================
// class CrelicHicompAudio
class __declspec(dllexport) CrelicHicompAudio : public IStreamWave
{
DECLARE_SERIAL_EX(CrelicHicompAudio)
static CObject* __cdecl PlacementCreate(void* p);
protected:
enum {
m_nMp3RingSize = 1024*6,
m_stOpenStream = 0x0001,
};
protected:
LPVOID m_pThisHandle;
WAVEFORMATEX m_waveFmt;
WORD m_wStat;
WORD padding;
DWORD m_dwStreamStyle;
tHeap m_data; //永久情報
CMp3Decoder* m_pMp3Dec;
LPBYTE m_pMp3Data;
DWORD m_ofsStream;
WORD m_wHeadSchema; //永久情報
BYTE m_bLocked;
BYTE m_bMainThreadLocked;
public:
CrelicHicompAudio();
virtual ~CrelicHicompAudio();
virtual void Serialize( CPmArchive& ar );
virtual NOCRESULT NewObjectConstruct( LPCTSTR lpszProfile = NULL );
virtual void DeleteThis();
virtual void SerializeUserCondition( CPmArchive& ar );
virtual INT OnMessage( LPVOID pMsg );
virtual BOOL OpenStream( INT nStartSamples = 0, DWORD dwStyle = 0 );
virtual void CloseStream();
virtual UINT GetStream( LPDWORD pWaveBuffer, INT nBufferSize );
virtual BOOL Seek( INT nOffsetSrc );
BOOL Play();
inline BOOL IsOpenStream() const
{ return ( m_wStat & m_stOpenStream ); }
};
//
IMPLEMENT_IMPORT_SERIAL_EX(CrelicHicompAudio, CStreamWave, 1, "relic Hicomp. Audio;rha;naked/SD/" )
CObject* __cdecl CrelicHicompAudio::PlacementCreate(void* p)
{ return new(p) CrelicHicompAudio; }
//===========================================================================
//
CrelicHicompAudio::CrelicHicompAudio()
{
m_wStat = 0;
m_pMp3Dec = NULL;
m_pMp3Data = NULL;
m_ofsStream = 0;
m_dwStreamStyle = 0;
m_wHeadSchema = 0;
m_bLocked = FALSE;
m_bMainThreadLocked = FALSE;
}
CrelicHicompAudio::~CrelicHicompAudio()
{
ASSERT( !m_bLocked );
if ( m_pMp3Dec != NULL )
{
ASSERT( FALSE );
CloseStream();
}
}
//===========================================================================
//
NOCRESULT CrelicHicompAudio::NewObjectConstruct( LPCTSTR lpszProfile )
{
return NOC_COMPLETE;
}
//
void CrelicHicompAudio::DeleteThis()
{ delete this; }
//
void CrelicHicompAudio::SerializeUserCondition( CPmArchive& ar )
{}
//
INT CrelicHicompAudio::OnMessage( LPVOID pMsg )
{ return 0; }
//===========================================================================
//
extern const long _GLOBAL_Mp3Freqs[];
void CrelicHicompAudio::Serialize( CPmArchive& ar )
{
m_bMainThreadLocked = TRUE;
LPBYTE pBuffer;
if ( ar.IsStoring() )
{
if ( m_wHeadSchema != 0 )
ar << m_wHeadSchema;
pBuffer = (LPBYTE)m_data.Lock();
ar.Write( pBuffer, m_data.GetLength() );
}
else
{
INT nSize = ar.GetFile()->GetLength();
BYTE b1, b2;
ar >> b1;
ar >> b2;
m_wHeadSchema = (b1<<8)|b2;
if ( (m_wHeadSchema & 0x010F) == 0x0004 )
{
// スキーマなし
m_data.Alloc( nSize );
pBuffer = (LPBYTE)m_data.Lock();
ar.Read( pBuffer + sizeof(WORD), nSize - sizeof(WORD) );
pBuffer[0] = b1; //バッファに戻す。
pBuffer[1] = b2; //バッファに戻す。
m_wHeadSchema = 0;
}
else
{
nSize -= sizeof(WORD);
m_data.Alloc( ( nSize + 3 ) & ~0x3 );
pBuffer = (LPBYTE)m_data.Lock();
ar.Read( pBuffer, nSize );
}
// WAVEFORMATEX を作成する
CMp3Frame frame;
DWORD dwHeader = (pBuffer[0]<<8) | pBuffer[1];
dwHeader = (m_wHeadSchema == 0) ? (0xFFFB0000 | dwHeader) : RhaFramerHeaderToMp3Header( (WORD)dwHeader );
if ( !frame.DecodeHeaderToFrame( dwHeader ) )
AfxThrowArchiveException( CArchiveException::badIndex );
m_waveFmt.wFormatTag = WAVE_FORMAT_PCM;
m_waveFmt.nChannels = frame.m_stereo;
m_waveFmt.nSamplesPerSec = _GLOBAL_Mp3Freqs[ frame.m_sampling_frequency ];// << ( frame.m_lsf );
m_waveFmt.wBitsPerSample = 16;
m_waveFmt.nBlockAlign = m_waveFmt.wBitsPerSample/8*m_waveFmt.nChannels;
m_waveFmt.nAvgBytesPerSec = m_waveFmt.wBitsPerSample/8*m_waveFmt.nSamplesPerSec*m_waveFmt.nChannels;
m_waveFmt.cbSize = 0;
}
m_data.Unlock();
m_bMainThreadLocked = FALSE;
}
//===========================================================================
//
BOOL CrelicHicompAudio::OpenStream( INT nStartSamples, DWORD dwStyle )
{
ASSERT( !m_bLocked );
ASSERT( !m_bMainThreadLocked );
if ( IsOpenStream() )
return FALSE;
m_bMainThreadLocked = TRUE;
if ( m_data.GetLength() == 0 )
{
m_bMainThreadLocked = FALSE;
return FALSE;
}
m_dwStreamStyle = dwStyle;
m_pMp3Dec = new CMp3Decoder( m_wHeadSchema );
m_pMp3Dec->OpenMP3();
if ( m_data.GetLength() > 0 )
m_pMp3Data = m_data.Lock();
m_ofsStream = 0;
m_wStat = m_stOpenStream;
m_bMainThreadLocked = FALSE;
return TRUE;
}
//
void CrelicHicompAudio::CloseStream()
{
ASSERT( !m_bLocked );
ASSERT( !m_bMainThreadLocked );
m_bMainThreadLocked = TRUE;
m_wStat = 0;
m_dwStreamStyle = 0;
if ( m_pMp3Data != NULL )
{
m_pMp3Data = NULL;
m_data.Unlock();
}
if ( m_pMp3Dec != NULL )
{
m_pMp3Dec->CloseMP3();
delete m_pMp3Dec;
m_pMp3Dec = NULL;
}
m_bMainThreadLocked = FALSE;
}
//
BOOL CrelicHicompAudio::Seek( INT nOffsetSrc )
{
ASSERT( !m_bLocked );
m_ofsStream = nOffsetSrc;
return TRUE;
}
//
UINT CrelicHicompAudio::GetStream( LPDWORD pWaveBuffer, INT nBufferSize )
{
UINT nMp3Length;
INT nSize;
INT nTotalWaveSize;
CMp3Decoder::tagMp3Error r;
BYTE tempBuffer[4608];
if ( m_pMp3Data == NULL )
return 0;
ASSERT( !m_bMainThreadLocked );
ASSERT( m_bLocked == FALSE );
m_bLocked = TRUE;
nTotalWaveSize = 0;
while ( TRUE )
{
r = m_pMp3Dec->DecodeMP3( NULL, 0, (LPBYTE)pWaveBuffer, nBufferSize, &nSize );
while ( r == CMp3Decoder::m_needMore )
{
nMp3Length = m_nMp3RingSize < ( m_data.GetLength() - m_ofsStream ) ? m_nMp3RingSize : ( m_data.GetLength() - m_ofsStream );
if ( nMp3Length == 0 )
goto _return;
r = m_pMp3Dec->DecodeMP3( m_pMp3Data + m_ofsStream, nMp3Length, (LPBYTE)pWaveBuffer, nBufferSize, &nSize );
if ( r == CMp3Decoder::m_error )
goto _errorNoStreamIncrement;
m_ofsStream += nMp3Length;
}
if ( r == CMp3Decoder::m_ok )
{
pWaveBuffer = (LPDWORD)( (LPBYTE)pWaveBuffer + nSize );
nTotalWaveSize += nSize;
nBufferSize -= nSize;
}
if ( r == CMp3Decoder::m_error )
{
_errorNoStreamIncrement:
while ( nBufferSize < 4608 && nBufferSize > 0 )
{
r = m_pMp3Dec->DecodeMP3( NULL, 0, (LPBYTE)tempBuffer, 4608, &nSize );
while ( r == CMp3Decoder::m_needMore )
{
nMp3Length = m_nMp3RingSize < ( m_data.GetLength() - m_ofsStream ) ? m_nMp3RingSize : ( m_data.GetLength() - m_ofsStream );
if ( nMp3Length == 0 )
goto _return;
r = m_pMp3Dec->DecodeMP3( m_pMp3Data + m_ofsStream, nMp3Length, (LPBYTE)tempBuffer, 4608, &nSize );
if ( r == CMp3Decoder::m_error )
goto _return;
m_ofsStream += nMp3Length;
}
ASSERT( nSize > 0 );
if ( r == CMp3Decoder::m_ok )
{
nSize = nSize < nBufferSize ? nSize : nBufferSize;
memcpy( pWaveBuffer, tempBuffer, nSize );
pWaveBuffer = (LPDWORD)( (LPBYTE)pWaveBuffer + nSize );
nTotalWaveSize += nSize;
nBufferSize -= nSize;
}
if ( r == CMp3Decoder::m_error )
goto _return;
}
goto _return;
}
}
_return:;
m_bLocked = FALSE;
return nTotalWaveSize;
}