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Cleaned up AudioHardwareSA

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Extra security checks
This commit is contained in:
Silent 2017-03-02 01:35:13 +01:00
parent 94fe7f01bd
commit e4bed9f427
7 changed files with 74 additions and 43 deletions
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32
SilentPatchSA/AudioHardwareSA.cpp
View file

@ -12,54 +12,62 @@ void* pMalloc = nullptr;
unsigned int nBlockSize = 0;
unsigned int nLastMallocSize = 0;
unsigned int CAEDataStreamOld::Seek(long nToSeek, int nPoint)
DWORD CAEDataStreamOld::Seek(LONG nToSeek, DWORD nPoint)
{
LARGE_INTEGER filePosition;
switch ( nPoint )
{
case FILE_BEGIN:
nToSeek = nToSeek + dwStartPosition;
filePosition.QuadPart = nToSeek + dwStartPosition;
break;
case FILE_END:
nPoint = FILE_BEGIN;
nToSeek = dwStartPosition + dwLength - nToSeek;
filePosition.QuadPart = dwStartPosition + dwLength - nToSeek;
break;
default:
filePosition.QuadPart = nToSeek;
break;
}
dwCurrentPosition = SetFilePointer(hHandle, nToSeek, nullptr, nPoint);
SetFilePointerEx(hHandle, filePosition, &filePosition, nPoint);
dwCurrentPosition = filePosition.LowPart;
return dwCurrentPosition - dwStartPosition;
}
unsigned int CAEDataStreamOld::FillBuffer(void* pBuf, unsigned long nLen)
DWORD CAEDataStreamOld::FillBuffer(void* pBuf, DWORD nLen)
{
ReadFile(hHandle, pBuf, nLen, &nLen, nullptr);
dwCurrentPosition += nLen;
return nLen;
}
unsigned int CAEDataStreamNew::Seek(long nToSeek, int nPoint)
DWORD CAEDataStreamNew::Seek(LONG nToSeek, DWORD nPoint)
{
LARGE_INTEGER filePosition;
switch ( nPoint )
{
case FILE_BEGIN:
nToSeek = nToSeek + dwStartPosition;
filePosition.QuadPart = nToSeek + dwStartPosition;
break;
case FILE_END:
nPoint = FILE_BEGIN;
nToSeek = dwStartPosition + dwLength - nToSeek;
filePosition.QuadPart = dwStartPosition + dwLength - nToSeek;
break;
default:
filePosition.QuadPart = nToSeek;
break;
}
dwCurrentPosition = SetFilePointer(hHandle, nToSeek, nullptr, nPoint);
SetFilePointerEx(hHandle, filePosition, &filePosition, nPoint);
dwCurrentPosition = filePosition.LowPart;
return dwCurrentPosition - dwStartPosition;
}
unsigned int CAEDataStreamNew::FillBuffer(void* pBuf, unsigned long nLen)
DWORD CAEDataStreamNew::FillBuffer(void* pBuf, DWORD nLen)
{
ReadFile(hHandle, pBuf, nLen, &nLen, nullptr);
dwCurrentPosition += nLen;
return nLen;
}

55
SilentPatchSA/AudioHardwareSA.h
View file

@ -50,7 +50,11 @@ public:
CloseHandle(hHandle);
bOpened = false;
}
GTAdelete(pFilename);
if ( pFilename != nullptr )
{
GTAdelete(pFilename);
pFilename = nullptr;
}
}
inline DWORD GetID()
@ -81,10 +85,15 @@ public:
public:
// Custom methods
unsigned int Seek(long nToSeek, int nPoint);
unsigned int FillBuffer(void* pBuf, unsigned long nLen);
unsigned int GetCurrentPosition()
{ return SetFilePointer(hHandle, 0, nullptr, FILE_CURRENT) - dwStartPosition; }
DWORD Seek(LONG nToSeek, DWORD nPoint);
DWORD FillBuffer(void* pBuf, DWORD nLen);
DWORD GetCurrentPosition()
{
LARGE_INTEGER filePointer;
filePointer.QuadPart = 0;
SetFilePointerEx( hHandle, filePointer, &filePointer, FILE_CURRENT );
return DWORD(filePointer.QuadPart - dwStartPosition);
}
};
// 1.01 structure
@ -118,7 +127,11 @@ public:
CloseHandle(hHandle);
bOpened = false;
}
GTAdelete(pFilename);
if ( pFilename != nullptr )
{
GTAdelete(pFilename);
pFilename = nullptr;
}
}
inline DWORD GetID()
@ -149,10 +162,15 @@ public:
public:
// Custom methods
unsigned int Seek(long nToSeek, int nPoint);
unsigned int FillBuffer(void* pBuf, unsigned long nLen);
unsigned int GetCurrentPosition()
{ return SetFilePointer(hHandle, 0, nullptr, FILE_CURRENT) - dwStartPosition; }
DWORD Seek(LONG nToSeek, DWORD nPoint);
DWORD FillBuffer(void* pBuf, DWORD nLen);
DWORD GetCurrentPosition()
{
LARGE_INTEGER filePointer;
filePointer.QuadPart = 0;
SetFilePointerEx( hHandle, filePointer, &filePointer, FILE_CURRENT );
return DWORD(filePointer.QuadPart - dwStartPosition);
}
};
class CAEDataStream
@ -213,7 +231,7 @@ public:
{
++nMallocRefCount;
if ( stream )
if ( stream != nullptr )
stream->Initialise();
}
@ -221,16 +239,19 @@ public:
{ return pStream; }
virtual bool Initialise()=0;
virtual unsigned int FillBuffer(void* pBuf,unsigned long nLen)=0;
virtual uint32_t FillBuffer(void* pBuf,uint32_t nLen)=0;
virtual unsigned int GetStreamLengthMs()=0;
virtual unsigned int GetStreamPlayTimeMs()=0;
virtual void SetCursor(unsigned int nTime)=0;
virtual unsigned int GetSampleRate()=0;
virtual uint32_t GetStreamLengthMs()=0;
virtual uint32_t GetStreamPlayTimeMs()=0;
virtual void SetCursor(uint32_t nTime)=0;
virtual uint32_t GetSampleRate()=0;
virtual ~CAEStreamingDecoder();
virtual unsigned int GetStreamID()=0;
virtual uint32_t GetStreamID()=0;
};
static_assert(sizeof(CAEDataStreamOld) == 0x28, "Wrong size: CAEDataStreamOld");
static_assert(sizeof(CAEDataStreamNew) == 0x2C, "Wrong size: CAEDataStreamNew");
#endif

2
SilentPatchSA/FLACDecoderSA.cpp
View file

@ -124,7 +124,7 @@ bool CAEFLACDecoder::Initialise()
return false;
}
unsigned int CAEFLACDecoder::FillBuffer(void* pBuf, unsigned long nLen)
uint32_t CAEFLACDecoder::FillBuffer(void* pBuf, uint32_t nLen)
{
unsigned int nBytesDecoded = 0;
FLAC__int16* pBuffer = static_cast<FLAC__int16*>(pBuf);

12
SilentPatchSA/FLACDecoderSA.h
View file

@ -26,15 +26,15 @@ public:
virtual ~CAEFLACDecoder();
virtual bool Initialise() override;
virtual unsigned int FillBuffer(void* pBuf, unsigned long nLen) override;
virtual unsigned int GetStreamLengthMs() override
virtual uint32_t FillBuffer(void* pBuf, uint32_t nLen) override;
virtual uint32_t GetStreamLengthMs() override
{ return pStreamInfo->data.stream_info.total_samples * 1000 / pStreamInfo->data.stream_info.sample_rate; }
virtual unsigned int GetStreamPlayTimeMs() override
virtual uint32_t GetStreamPlayTimeMs() override
{ return nCurrentSample * 1000 / pStreamInfo->data.stream_info.sample_rate; }
virtual void SetCursor(unsigned int nTime) override
virtual void SetCursor(uint32_t nTime) override
{ FLAC__stream_decoder_seek_absolute(pFLACDecoder, nTime * pStreamInfo->data.stream_info.sample_rate / 1000); }
virtual unsigned int GetSampleRate() override
virtual uint32_t GetSampleRate() override
{ return pStreamInfo->data.stream_info.sample_rate; }
virtual unsigned int GetStreamID() override
virtual uint32_t GetStreamID() override
{ return GetStream()->GetID(); }
};

2
SilentPatchSA/SilentPatchSA.vcxproj
View file

@ -61,6 +61,7 @@
<EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
<AdditionalOptions>/Zc:threadSafeInit- %(AdditionalOptions)</AdditionalOptions>
<FloatingPointModel>Fast</FloatingPointModel>
<SDLCheck>true</SDLCheck>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
@ -94,6 +95,7 @@ copy /y "$(TargetPath)" "D:\gry\GTA San Andreas clean\scripts\newsteam_r2_lowvio
<EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
<AdditionalOptions>/Zc:threadSafeInit- %(AdditionalOptions)</AdditionalOptions>
<FloatingPointModel>Fast</FloatingPointModel>
<SDLCheck>true</SDLCheck>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>

2
SilentPatchSA/WaveDecoderSA.cpp
View file

@ -56,7 +56,7 @@ bool CAEWaveDecoder::Initialise()
return formatChunk.sampleRate <= 48000 && formatChunk.numChannels <= 2 && (formatChunk.bitsPerSample == 8 || formatChunk.bitsPerSample == 16 || formatChunk.bitsPerSample == 24);
}
unsigned int CAEWaveDecoder::FillBuffer(void* pBuf, unsigned long nLen)
uint32_t CAEWaveDecoder::FillBuffer(void* pBuf, uint32_t nLen)
{
if ( formatChunk.bitsPerSample == 8 )
{

12
SilentPatchSA/WaveDecoderSA.h
View file

@ -25,22 +25,22 @@ public:
{}
virtual bool Initialise() override;
virtual unsigned int FillBuffer(void* pBuf, unsigned long nLen) override;
virtual uint32_t FillBuffer(void* pBuf, uint32_t nLen) override;
virtual unsigned int GetStreamLengthMs() override
virtual uint32_t GetStreamLengthMs() override
{ return static_cast<unsigned long long>(nDataSize) * 8000 / (formatChunk.sampleRate*formatChunk.bitsPerSample*formatChunk.numChannels); }
virtual unsigned int GetStreamPlayTimeMs() override
virtual uint32_t GetStreamPlayTimeMs() override
{ return static_cast<unsigned long long>(GetStream()->GetCurrentPosition() - nOffsetToData) * 8000 / (formatChunk.sampleRate*formatChunk.bitsPerSample*formatChunk.numChannels); }
virtual void SetCursor(unsigned int nTime) override
virtual void SetCursor(uint32_t nTime) override
{ auto nPos = static_cast<unsigned long long>(nTime) * (formatChunk.sampleRate*formatChunk.bitsPerSample*formatChunk.numChannels) / 8000;
auto nModulo = (formatChunk.numChannels*formatChunk.bitsPerSample/8);
auto nExtra = nPos % nModulo ? nModulo - (nPos % nModulo) : 0;
GetStream()->Seek(nOffsetToData + nPos + nExtra, FILE_BEGIN); }
virtual unsigned int GetSampleRate() override
virtual uint32_t GetSampleRate() override
{ return formatChunk.sampleRate; }
virtual unsigned int GetStreamID() override
virtual uint32_t GetStreamID() override
{ return GetStream()->GetID(); }
};