mirror of
https://github.com/CookiePLMonster/SilentPatch.git
synced 2024-12-28 06:43:01 +05:00
WAVE decoder
This commit is contained in:
Silent
parent
36fb6daa37
commit
4d97733c03
3 changed files with 321 additions and 59 deletions
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@ -5,12 +5,257 @@
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// { EAXJMP(0x4DC340); }
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//WRAPPER HRESULT STDMETHODCALLTYPE CAEDataStream::Stat(STATSTG* pStatstg, DWORD grfStatFlag) { EAXJMP(0x4DC3A0); }
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//WRAPPER unsigned int CAEDataStream::FillBuffer(void* pBuf, unsigned long nLen) { EAXJMP(0x4DC1C0); }
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WRAPPER bool CAEDataStream::Initialise() { EAXJMP(0x4DC2B0); }
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unsigned int CAEFLACDecoder::nRefCount = 0;
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unsigned int CAEStreamingDecoder::nMallocRefCount = 0;
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static void* pMalloc = nullptr;
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static unsigned int nBlockSize = 0;
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static unsigned int nLastMallocSize = 0;
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static unsigned int nSamplesLeftToProcess = 0;
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unsigned int CAEDataStream::Seek(long nToSeek, int nPoint)
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{
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LONG nRealDistToSeek;
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switch ( nPoint )
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{
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case FILE_BEGIN:
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nRealDistToSeek = nToSeek + dwStartPosition;
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break;
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case FILE_CURRENT:
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nRealDistToSeek = nToSeek;
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break;
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case FILE_END:
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nPoint = FILE_BEGIN;
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nRealDistToSeek = dwStartPosition + dwLength - nToSeek;
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break;
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}
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dwCurrentPosition = SetFilePointer(hHandle, nRealDistToSeek, nullptr, nPoint);
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return dwCurrentPosition - dwStartPosition;
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}
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unsigned int CAEDataStream::FillBuffer(void* pBuf, unsigned long nLen)
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{
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//auto nSize = min(nLen, dwCurrentPosition - dwLength - dwStartPosition);
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//auto nHah = dwCurrentPosition - dwLength - dwStartPosition;
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ReadFile(hHandle, pBuf, nLen, &nLen, nullptr);
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dwCurrentPosition += nLen;
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return nLen;
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}
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CAEStreamingDecoder::~CAEStreamingDecoder()
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{
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GTAdelete(pStream);
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pStream = nullptr;
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if ( --nMallocRefCount == 0 )
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{
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operator delete(pMalloc);
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pMalloc = nullptr;
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nLastMallocSize = 0;
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}
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}
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bool CAEWaveDecoder::Initialise()
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{
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auto* pTheStream = GetStream();
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struct {
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char sectionID[4];
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unsigned int sectionSize;
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} chunkHeader;
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// Find fmt section
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pTheStream->Seek(12, FILE_BEGIN);
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pTheStream->FillBuffer(&chunkHeader, sizeof(chunkHeader));
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nOffsetToData = 12 + sizeof(chunkHeader);
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while ( chunkHeader.sectionID[0] != 'f' || chunkHeader.sectionID[1] != 'm' || chunkHeader.sectionID[2] != 't' || chunkHeader.sectionID[3] != ' ' )
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{
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nOffsetToData += sizeof(chunkHeader) + chunkHeader.sectionSize;
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pTheStream->Seek(chunkHeader.sectionSize, FILE_CURRENT);
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pTheStream->FillBuffer(&chunkHeader, sizeof(chunkHeader));
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}
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// Read fmt header
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pTheStream->FillBuffer(&formatChunk, sizeof(FormatChunk));
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nOffsetToData += sizeof(FormatChunk);
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// Now skip through the rest of a chunk
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if ( chunkHeader.sectionSize - sizeof(FormatChunk) > 0 )
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{
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nOffsetToData += chunkHeader.sectionSize - sizeof(FormatChunk);
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pTheStream->Seek(chunkHeader.sectionSize - sizeof(FormatChunk), FILE_CURRENT);
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}
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// Find data chunk
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nOffsetToData += sizeof(chunkHeader);
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pTheStream->FillBuffer(&chunkHeader, sizeof(chunkHeader));
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while ( chunkHeader.sectionID[0] != 'd' || chunkHeader.sectionID[1] != 'a' || chunkHeader.sectionID[2] != 't' || chunkHeader.sectionID[3] != 'a' )
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{
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nOffsetToData += sizeof(chunkHeader) + chunkHeader.sectionSize;
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pTheStream->Seek(chunkHeader.sectionSize, FILE_CURRENT);
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pTheStream->FillBuffer(&chunkHeader, sizeof(chunkHeader));
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}
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nDataSize = chunkHeader.sectionSize;
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return formatChunk.numChannels <= 2 && (formatChunk.bitsPerSample == 8 || formatChunk.bitsPerSample == 16 || formatChunk.bitsPerSample == 24);
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}
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unsigned int CAEWaveDecoder::FillBuffer(void* pBuf, unsigned long nLen)
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{
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if ( formatChunk.bitsPerSample == 8 )
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{
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if ( formatChunk.numChannels == 2 )
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{
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// Stereo
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if ( nLen / 2 > nLastMallocSize )
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{
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if ( pMalloc )
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operator delete(pMalloc);
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nLastMallocSize = nLen / 2;
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pMalloc = operator new(nLastMallocSize);
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}
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unsigned int nBytesWritten = GetStream()->FillBuffer(pMalloc, nLen / 2);
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signed short* pOutBuf = static_cast<signed short*>(pBuf);
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unsigned char* pInBuf = static_cast<unsigned char*>(pMalloc);
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// Convert to 16-bit
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for ( unsigned int i = 0; i < nBytesWritten; i++ )
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{
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pOutBuf[i] = (static_cast<signed char>(pInBuf[i]) - 128) << 8;
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}
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return nBytesWritten * 2;
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}
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else
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{
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// Mono
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if ( nLen / 4 > nLastMallocSize )
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{
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if ( pMalloc )
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operator delete(pMalloc);
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nLastMallocSize = nLen / 4;
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pMalloc = operator new(nLastMallocSize);
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}
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unsigned int nBytesWritten = GetStream()->FillBuffer(pMalloc, nLen / 4);
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signed short* pOutBuf = static_cast<signed short*>(pBuf);
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unsigned char* pInBuf = static_cast<unsigned char*>(pMalloc);
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// Convert to 16-bit
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for ( unsigned int i = 0; i < nBytesWritten; i++ )
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{
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pOutBuf[i * 2] = pOutBuf[i * 2 + 1] = (static_cast<signed char>(pInBuf[i]) - 128) << 8;
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}
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return nBytesWritten * 4;
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}
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}
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else if ( formatChunk.bitsPerSample == 24 )
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{
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if ( formatChunk.numChannels == 2 )
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{
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// Stereo
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if ( nLen * 3 / 2 > nLastMallocSize )
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{
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if ( pMalloc )
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operator delete(pMalloc);
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nLastMallocSize = nLen * 3 / 2;
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pMalloc = operator new(nLastMallocSize);
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}
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unsigned int nBytesWritten = GetStream()->FillBuffer(pMalloc, nLen * 3 / 2);
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unsigned char* pOutBuf = static_cast<unsigned char*>(pBuf);
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unsigned char* pInBuf = static_cast<unsigned char*>(pMalloc);
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const unsigned int nNumSamples = nBytesWritten / 3;
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// Convert to 16-bit
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for ( unsigned int i = 0; i < nNumSamples; i++ )
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{
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pOutBuf[i*2] = pInBuf[i*3 + 1];
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pOutBuf[i*2 + 1] = pInBuf[i*3 + 2];
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}
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return nNumSamples * 2;
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}
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else
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{
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if ( nLen * 3 / 4 > nLastMallocSize )
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{
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if ( pMalloc )
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operator delete(pMalloc);
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nLastMallocSize = nLen * 3 / 4;
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pMalloc = operator new(nLastMallocSize);
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}
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unsigned int nBytesWritten = GetStream()->FillBuffer(pMalloc, nLen * 3 / 4);
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unsigned char* pOutBuf = static_cast<unsigned char*>(pBuf);
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unsigned char* pInBuf = static_cast<unsigned char*>(pMalloc);
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const unsigned int nNumSamples = nBytesWritten / 3;
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// Convert to 16-bit
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for ( unsigned int i = 0; i < nNumSamples; i++ )
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{
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pOutBuf[i*4] = pOutBuf[i*4 + 2] = pInBuf[i*3 + 1];
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pOutBuf[i*4 + 1] = pOutBuf[i*4 + 3] = pInBuf[i*3 + 2];
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}
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return nNumSamples * 4;
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}
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}
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else
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{
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// 16-bit
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if ( formatChunk.numChannels == 2 )
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{
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// Stereo, optimised fetch
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return GetStream()->FillBuffer(pBuf, nLen);
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}
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else
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{
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// Mono
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if ( nLen / 2 > nLastMallocSize )
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{
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if ( pMalloc )
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operator delete(pMalloc);
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nLastMallocSize = nLen / 2;
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pMalloc = operator new(nLastMallocSize);
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}
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unsigned int nBytesWritten = GetStream()->FillBuffer(pMalloc, nLen / 2);
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signed short* pOutBuf = static_cast<signed short*>(pBuf);
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signed short* pInBuf = static_cast<signed short*>(pMalloc);
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const unsigned int nNumSamples = nBytesWritten / 2;
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for ( unsigned int i = 0; i < nNumSamples; i++ )
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{
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pOutBuf[i*2] = pOutBuf[i*2 + 1] = pInBuf[i];
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}
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return nBytesWritten * 2;
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}
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}
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}
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//static bool bEOFFlag = false;
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FLAC__StreamDecoderReadStatus CAEFLACDecoder::read_cb(const FLAC__StreamDecoder* decoder, FLAC__byte buffer[], size_t* bytes, void* client_data)
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{
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@ -26,11 +271,6 @@ FLAC__StreamDecoderReadStatus CAEFLACDecoder::read_cb(const FLAC__StreamDecoder*
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return result;
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}
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static FLAC__int32* pMalloc = nullptr;
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static unsigned int nBlockSize = 0;
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static unsigned int nSamplesLeftToProcess = 0;
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FLAC__StreamDecoderWriteStatus CAEFLACDecoder::write_cb(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *const buffer[], void *client_data)
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{
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CAEFLACDecoder* pClientData = static_cast<CAEFLACDecoder*>(client_data);
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@ -42,22 +282,21 @@ FLAC__StreamDecoderWriteStatus CAEFLACDecoder::write_cb(const FLAC__StreamDecode
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// Mono/stereo?
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unsigned int nNumChannelsToAlloc = pClientData->pStreamInfo->data.stream_info.channels > 1 ? 2 : 1;
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static unsigned int nLastMallocSize;
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if ( !pMalloc || frame->header.blocksize * sizeof(FLAC__int32) * nNumChannelsToAlloc > nLastMallocSize )
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if ( frame->header.blocksize * sizeof(FLAC__int32) * nNumChannelsToAlloc > nLastMallocSize )
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{
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// Realloc needed
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if ( pMalloc )
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operator delete(pMalloc);
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nLastMallocSize = frame->header.blocksize * sizeof(FLAC__int32) * nNumChannelsToAlloc;
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pMalloc = static_cast<FLAC__int32*>(operator new(nLastMallocSize)); // TODO: More channels?
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pMalloc = operator new(nLastMallocSize); // TODO: More channels?
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}
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nBlockSize = frame->header.blocksize;
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memcpy(pMalloc, buffer[0], nBlockSize * sizeof(FLAC__int32));
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if ( nNumChannelsToAlloc > 1 )
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memcpy(pMalloc+nBlockSize, buffer[1], nBlockSize * sizeof(FLAC__int32));
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memcpy(static_cast<FLAC__int32*>(pMalloc)+nBlockSize, buffer[1], nBlockSize * sizeof(FLAC__int32));
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return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
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}
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@ -130,7 +369,7 @@ bool CAEFLACDecoder::Initialise()
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{
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FLAC__stream_decoder_process_until_end_of_metadata(pFLACDecoder);
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return /*pStreamInfo->data.stream_info.sample_rate <= 48000 &&*/ (pStreamInfo->data.stream_info.bits_per_sample == 8 || pStreamInfo->data.stream_info.bits_per_sample == 16 || pStreamInfo->data.stream_info.bits_per_sample == 24);
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return pStreamInfo->data.stream_info.sample_rate <= 48000 && (pStreamInfo->data.stream_info.bits_per_sample == 8 || pStreamInfo->data.stream_info.bits_per_sample == 16 || pStreamInfo->data.stream_info.bits_per_sample == 24);
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}
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return false;
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}
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@ -161,7 +400,7 @@ unsigned int CAEFLACDecoder::FillBuffer(void* pBuf, unsigned long nLen)
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else
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nToWrite = nSamplesLeftToProcess;
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FLAC__int32* pCurrentPtr[2] = { pMalloc, pMalloc+nBlockSize };
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FLAC__int32* pCurrentPtr[2] = { static_cast<FLAC__int32*>(pMalloc), static_cast<FLAC__int32*>(pMalloc)+nBlockSize };
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const unsigned int ExtraIndex = nBlockSize - nSamplesLeftToProcess;
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// Write channels
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@ -254,10 +493,4 @@ CAEFLACDecoder::~CAEFLACDecoder()
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FLAC__metadata_object_delete(pStreamInfo);
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pFLACDecoder = nullptr;
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}
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if ( --nRefCount == 0 )
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{
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operator delete(pMalloc);
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pMalloc = nullptr;
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}
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}
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@ -84,7 +84,10 @@ public:
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public:
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// Custom methods
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//unsigned int FillBuffer(void* pBuf, unsigned long nLen);
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unsigned int Seek(long nToSeek, int nPoint);
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unsigned int FillBuffer(void* pBuf, unsigned long nLen);
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unsigned int GetCurrentPosition()
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{ return SetFilePointer(hHandle, 0, nullptr, FILE_CURRENT) - dwStartPosition; }
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bool Initialise();
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};
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@ -94,10 +97,14 @@ class CAEStreamingDecoder
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private:
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CAEDataStream* pStream;
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static unsigned int nMallocRefCount;
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public:
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CAEStreamingDecoder(CAEDataStream* stream)
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: pStream(stream)
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{
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++nMallocRefCount;
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if ( stream )
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stream->Initialise();
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}
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@ -113,15 +120,57 @@ public:
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virtual void SetCursor(unsigned int nTime)=0;
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virtual unsigned int GetSampleRate()=0;
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virtual ~CAEStreamingDecoder()
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{
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GTAdelete(pStream);
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pStream = nullptr;
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}
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virtual ~CAEStreamingDecoder();
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virtual unsigned int GetStreamID()=0;
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};
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class CAEWaveDecoder : public CAEStreamingDecoder
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{
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private:
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unsigned short nNumChannels;
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unsigned short nBitRate;
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unsigned int nSampleRate;
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unsigned int nDataSize;
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unsigned int nOffsetToData;
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//bool bInitialised;
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struct FormatChunk
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{
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unsigned short audioFormat;
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unsigned short numChannels;
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unsigned int sampleRate;
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unsigned int byteRate;
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unsigned short blockAlign;
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unsigned short bitsPerSample;
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} formatChunk;
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public:
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CAEWaveDecoder(CAEDataStream* stream)
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: CAEStreamingDecoder(stream)//, bInitialised(false)
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{}
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virtual bool Initialise() override;
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virtual unsigned int FillBuffer(void* pBuf, unsigned long nLen) override;
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virtual unsigned int GetStreamLengthMs() override
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{ return static_cast<unsigned long long>(nDataSize) * 8000 / (formatChunk.sampleRate*formatChunk.bitsPerSample*formatChunk.numChannels); }
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virtual unsigned int GetStreamPlayTimeMs() override
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{ return static_cast<unsigned long long>(GetStream()->GetCurrentPosition() - nOffsetToData) * 8000 / (formatChunk.sampleRate*formatChunk.bitsPerSample*formatChunk.numChannels); }
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virtual void SetCursor(unsigned int nTime) override
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{ auto nPos = static_cast<unsigned long long>(nTime) * (formatChunk.sampleRate*formatChunk.bitsPerSample*formatChunk.numChannels) / 8000;
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auto nModulo = (formatChunk.numChannels*formatChunk.bitsPerSample/8);
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auto nExtra = nPos % nModulo ? nModulo - (nPos % nModulo) : 0;
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GetStream()->Seek(nOffsetToData + nPos + nExtra, FILE_BEGIN); }
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virtual unsigned int GetSampleRate() override
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{ return formatChunk.sampleRate; }
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virtual unsigned int GetStreamID() override
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{ return GetStream()->GetID(); }
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};
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class CAEFLACDecoder : public CAEStreamingDecoder
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{
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private:
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@ -129,8 +178,6 @@ private:
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FLAC__StreamMetadata* pStreamInfo;
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unsigned int nCurrentSample;
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static unsigned int nRefCount;
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private:
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static FLAC__StreamDecoderReadStatus read_cb(const FLAC__StreamDecoder* decoder, FLAC__byte buffer[], size_t* bytes, void* client_data);
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static FLAC__StreamDecoderWriteStatus write_cb(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *const buffer[], void *client_data);
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@ -144,42 +191,21 @@ private:
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public:
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CAEFLACDecoder(CAEDataStream* stream)
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: CAEStreamingDecoder(stream), pFLACDecoder(nullptr)
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{
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++nRefCount;
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}
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{}
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virtual ~CAEFLACDecoder();
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virtual ~CAEFLACDecoder();
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virtual bool Initialise() override;
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virtual unsigned int FillBuffer(void* pBuf, unsigned long nLen) override;
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virtual unsigned int GetStreamLengthMs() override
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{
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unsigned int nTime = pStreamInfo->data.stream_info.total_samples * 1000 / pStreamInfo->data.stream_info.sample_rate;
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return nTime;
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}
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{ return pStreamInfo->data.stream_info.total_samples * 1000 / pStreamInfo->data.stream_info.sample_rate; }
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virtual unsigned int GetStreamPlayTimeMs() override
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{
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unsigned int nTime = nCurrentSample * 1000 / pStreamInfo->data.stream_info.sample_rate;
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return nTime;
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}
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{ return nCurrentSample * 1000 / pStreamInfo->data.stream_info.sample_rate; }
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virtual void SetCursor(unsigned int nTime) override
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{
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FLAC__stream_decoder_seek_absolute(pFLACDecoder, nTime * pStreamInfo->data.stream_info.sample_rate / 1000);
|
||||
}
|
||||
|
||||
{ FLAC__stream_decoder_seek_absolute(pFLACDecoder, nTime * pStreamInfo->data.stream_info.sample_rate / 1000); }
|
||||
virtual unsigned int GetSampleRate() override
|
||||
{
|
||||
return pStreamInfo->data.stream_info.sample_rate;
|
||||
}
|
||||
|
||||
{ return pStreamInfo->data.stream_info.sample_rate; }
|
||||
virtual unsigned int GetStreamID() override
|
||||
{
|
||||
return GetStream()->GetID();
|
||||
}
|
||||
{ return GetStream()->GetID(); }
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
@ -1336,7 +1336,7 @@ void __declspec(naked) ResetAlphaFuncRefAfterRender()
|
|||
}
|
||||
}
|
||||
|
||||
static bool bUseTwoPass = false;
|
||||
static bool bUseTwoPass = true;
|
||||
|
||||
void SetRendererForAtomic(RpAtomic* pAtomic)
|
||||
{
|
||||
|
|
@ -1776,9 +1776,9 @@ static CAEFLACDecoder* __stdcall DecoderCtor(CAEDataStream* pData)
|
|||
return new CAEFLACDecoder(pData);
|
||||
}
|
||||
|
||||
static void __stdcall StreamDtor(CAEDataStream* pData)
|
||||
static CAEWaveDecoder* __stdcall CAEWaveDecoderInit(CAEDataStream* pStream)
|
||||
{
|
||||
delete pData;
|
||||
return new CAEWaveDecoder(pStream);
|
||||
}
|
||||
|
||||
void __declspec(naked) LoadFLAC()
|
||||
|
|
@ -2032,7 +2032,10 @@ __forceinline void Patch_SA_10()
|
|||
// FLAC support
|
||||
InjectHook(0x4F373D, LoadFLAC, PATCH_JUMP);
|
||||
InjectHook(0x4F35E0, FLACInit, PATCH_JUMP);
|
||||
InjectHook(0x4F3787, CAEWaveDecoderInit);
|
||||
|
||||
Patch<WORD>(0x4F376A, 0x18EB);
|
||||
//Patch<BYTE>(0x4F378F, sizeof(CAEWaveDecoder));
|
||||
Patch<const void*>(0x4F3210, UserTrackExtensions);
|
||||
Patch<const void*>(0x4F3241, &UserTrackExtensions->Codec);
|
||||
//Patch<const void*>(0x4F35E7, &UserTrackExtensions[1].Codec);
|
||||
|
|
|
|||
Loading…
Reference in a new issue