static int FileStreamRead()

in FFmpegInterop/Source/FFmpegInteropMSS.cpp [760:778]

• 15 lines of code
• 3 McCabe index (conditional complexity)

static int FileStreamRead(void* ptr, uint8_t* buf, int bufSize)
{
	IStream* pStream = reinterpret_cast<IStream*>(ptr);
	ULONG bytesRead = 0;
	HRESULT hr = pStream->Read(buf, bufSize, &bytesRead);

	if (FAILED(hr))
	{
		return -1;
	}

	// If we succeed but don't have any bytes, assume end of file
	if (bytesRead == 0)
	{
		return AVERROR_EOF;  // Let FFmpeg know that we have reached eof
	}

	return bytesRead;
}