AVObjects Library: Samples - Revision history

Rod: moved Samples to AVObjects Library: Samples

2014-07-15T04:28:05Z

moved Samples to AVObjects Library: Samples

Rod at 03:54, 9 July 2014

2014-07-09T03:54:42Z

Rod at 08:49, 30 June 2014

2014-06-30T08:49:53Z

Rod at 08:24, 30 June 2014

2014-06-30T08:24:38Z

Rod at 08:24, 30 June 2014

2014-06-30T08:24:11Z

Rod: moved AVO Media Library Samples to Samples

2014-06-27T03:47:15Z

moved AVO Media Library Samples to Samples

Rod at 03:47, 27 June 2014

2014-06-27T03:47:01Z

Rod at 07:23, 26 June 2014

2014-06-26T07:23:50Z

Rod at 07:17, 26 June 2014

2014-06-26T07:17:39Z

Rod at 07:17, 26 June 2014

2014-06-26T07:17:29Z

@@ Line 3: / Line 3: @@
 TODO: Samples
+== ==
 <source lang=cpp>
 HRESULT CMuxedPCM::ReadFrame(ULONGLONG ullFrame, BYTE* pbFrame, DWORD cbFrame, DWORD* pcbActual,

@@ Line 4: / Line 4: @@
 TODO: Samples
-<pre>
+<source lang=cpp>
 HRESULT CMuxedPCM::ReadFrame(ULONGLONG ullFrame, BYTE* pbFrame, DWORD cbFrame, DWORD* pcbActual,
 								  LONG* plTempOffset/* = NULL*/, bool bReverse/* = false*/,DWORD nSkip /*= 0*/, bool bDirectRead/* = false*/)
@@ Line 75: / Line 75: @@
 	return S_OK;
 };
-</pre>
+</source>
 [[Category:AVObjects Library]]

@@ Line 4: / Line 4: @@
 TODO: Samples
 HRESULT CMuxedPCM::ReadFrame(ULONGLONG ullFrame, BYTE* pbFrame, DWORD cbFrame, DWORD* pcbActual,
 								  LONG* plTempOffset/* = NULL*/, bool bReverse/* = false*/,DWORD nSkip /*= 0*/, bool bDirectRead/* = false*/)
@@ Line 74: / Line 75: @@
 	return S_OK;
 };
+</pre>
 [[Category:AVObjects Library]]

← Older revision		Revision as of 08:24, 30 June 2014
Line 3:		Line 3:

	TODO: Samples		TODO: Samples
		+
		+	HRESULT CMuxedPCM::ReadFrame(ULONGLONG ullFrame, BYTE* pbFrame, DWORD cbFrame, DWORD* pcbActual,
		+	LONG* plTempOffset/* = NULL/, bool bReverse/ = false/,DWORD nSkip /= 0/, bool bDirectRead/ = false*/)
		+	{
		+	ATLASSERT(pbFrame != NULL);
		+	if(pbFrame == NULL) return E_INVALIDARG;
		+	ATLASSERT(pcbActual != NULL);
		+	if(pcbActual == NULL) return E_INVALIDARG;
		+
		+	DWORD cbFrameSize = GetFrameSize();
		+	ATLASSERT(cbFrame >= cbFrameSize);
		+	if(cbFrame < cbFrameSize) return E_INVALIDARG;
		+
		+	DWORD dwSourceCount = m_source.GetSize();
		+	ATLASSERT(dwSourceCount > 0);
		+
		+	if (dwSourceCount == 1)
		+	return m_source[0]->ReadFrame(ullFrame, pbFrame, cbFrame, pcbActual, plTempOffset, bReverse, nSkip, bDirectRead);
		+
		+	CMType mt;
		+	HRESULT hr = FillMT(mt);
		+	if (hr != S_OK)
		+	return hr;
		+
		+	ATLASSERT(mt.IsAudio());
		+	const WAVEFORMATEX* pwf = mt;
		+
		+
		+	DWORD cbBuf = cbFrame / dwSourceCount;
		+	CMAlloc mem;
		+	if (!mem.Alloc(cbBuf))
		+	return hr;
		+
		+	BYTE* pbBuf = mem.Memory();
		+	ATLASSERT(pbBuf);
		+
		+	DWORD nBlockAlign = pwf->nBlockAlign / dwSourceCount;
		+	*pcbActual = 0;
		+
		+	// ATLTRACE2(atlTraceGeneral, 2, _T("%s::ReadFrame(): ")
		+	// _T("MuxedReadStart: ullFrame = %I64u(0x%I64x), cbFrame = %d(0x%x)\n"), GetClassName(), ullFrame, ullFrame,
		+	// cbFrame, cbFrame);
		+
		+	memset(pbFrame, 0, cbFrame);
		+	for(DWORD n = 0; n < dwSourceCount; n++)
		+	{
		+	DWORD cbActual = 0;
		+	hr = m_source[n]->ReadFrame(ullFrame, pbBuf, cbBuf, &cbActual, NULL, bReverse, nSkip, bDirectRead);
		+	if (hr != S_OK)
		+	return hr;
		+
		+	if (cbActual > *pcbActual)
		+	*pcbActual = cbActual;
		+
		+	BYTE* pbIn = pbBuf;
		+	BYTE* pbOut = pbFrame + nBlockAlign * n;
		+	BYTE* pbEnd = pbBuf + cbActual;
		+	for(; pbIn < pbEnd; pbIn += nBlockAlign, pbOut += pwf->nBlockAlign)
		+	{
		+	//DWORD cbLen = (pbIn + nBlockAlign >= pbEnd)? pbEnd - pbIn : nBlockAlign;
		+	memcpy(pbOut, pbIn, nBlockAlign);
		+	}
		+	}
		+
		+	pcbActual = dwSourceCount;
		+	// ATLTRACE2(atlTraceGeneral, 2, _T("%s::ReadFrame(): ")
		+	// _T("MuxedReadAStop Actual: %d(0x%x)\n"), GetClassName(), pcbActual, pcbActual);
		+	// Debug_Dump(atlTraceGeneral, 2, *pcbActual, pbFrame);
		+
		+	return S_OK;
		+	};
		+
	[[Category:AVObjects Library]]		[[Category:AVObjects Library]]

@@ Line 1: / Line 1: @@
 <!--SORT=3-->
-{{This|media_lib/samples.html}}
+{{This|avobjects_library/samples.html}}
 TODO: Samples
-[[Category:AVObjects Media Library]]
+[[Category:AVObjects Library]]

← Older revision		Revision as of 07:17, 26 June 2014
Line 1:		Line 1:
		+	{{This\|media_lib/samples.html}}
	TODO: Samples		TODO: Samples
	[[Category:AVObjects Media Library]]		[[Category:AVObjects Media Library]]