omxilvideocomps/omxil3gpdemuxer/src/comxil3gpdemuxervideooutputport.cpp
changeset 0 5d29cba61097
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omxilvideocomps/omxil3gpdemuxer/src/comxil3gpdemuxervideooutputport.cpp	Fri Oct 08 22:09:17 2010 +0100
@@ -0,0 +1,214 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+/**
+@file
+@internalComponent
+*/
+
+#include "comxil3gpdemuxervideooutputport.h"
+#include "comxil3gpdemuxerprocessingfunction.h"
+#include "tvideoformat.h"
+
+
+_LIT(K3GPDemuxerVideoPortPanic, "COmxIL3GPDemuxerVideoOutputPort");
+
+COmxIL3GPDemuxerVideoOutputPort* COmxIL3GPDemuxerVideoOutputPort::NewL(const TOmxILCommonPortData& aCommonPortData, COmxIL3GPDemuxerProcessingFunction& aProcessingFunction)
+
+	{
+	// TODO these arrays must left empty, to be removed from the video port constructor
+	RArray<OMX_VIDEO_CODINGTYPE> supportedCodings;
+	RArray<OMX_COLOR_FORMATTYPE> supportedColorFormats;
+	CleanupClosePushL(supportedCodings);
+	CleanupClosePushL(supportedColorFormats);
+	
+	COmxIL3GPDemuxerVideoOutputPort* self = new(ELeave) COmxIL3GPDemuxerVideoOutputPort(aProcessingFunction);
+	CleanupStack::PushL(self);
+	self->ConstructL(aCommonPortData, supportedCodings, supportedColorFormats);
+	CleanupStack::Pop(self);
+	
+	CleanupStack::PopAndDestroy(2, &supportedCodings);
+	
+	return self;
+	}
+
+COmxIL3GPDemuxerVideoOutputPort::COmxIL3GPDemuxerVideoOutputPort(COmxIL3GPDemuxerProcessingFunction& aProcessingFunction) :
+ iProcessingFunction(&aProcessingFunction)
+	{
+	}
+
+void COmxIL3GPDemuxerVideoOutputPort::ConstructL(const TOmxILCommonPortData& aCommonPortData,
+                                                const RArray<OMX_VIDEO_CODINGTYPE>& aSupportedCodings,
+                                                const RArray<OMX_COLOR_FORMATTYPE>& aSupportedColorFormats)
+	{
+    COmxILVideoPort::ConstructL(aCommonPortData, aSupportedCodings, aSupportedColorFormats);
+    GetParamPortDefinition().format.video.eCompressionFormat = OMX_VIDEO_CodingAutoDetect;
+	// as there are only four items, do not require a sort order
+	// if this list gets larger consider using binary search
+    GetSupportedVideoFormats().AppendL(OMX_VIDEO_CodingAutoDetect);
+	GetSupportedVideoFormats().AppendL(OMX_VIDEO_CodingAVC);
+	GetSupportedVideoFormats().AppendL(OMX_VIDEO_CodingH263);
+	GetSupportedVideoFormats().AppendL(OMX_VIDEO_CodingMPEG4);
+
+	GetSupportedColorFormats().AppendL(OMX_COLOR_FormatUnused);			
+	}
+
+COmxIL3GPDemuxerVideoOutputPort::~COmxIL3GPDemuxerVideoOutputPort()
+	{
+	}
+	
+OMX_ERRORTYPE COmxIL3GPDemuxerVideoOutputPort::GetLocalOmxParamIndexes(RArray<TUint>& aIndexArray) const
+	{
+	OMX_ERRORTYPE omxRetValue = COmxILVideoPort::GetLocalOmxParamIndexes(aIndexArray);
+	if (omxRetValue != OMX_ErrorNone)
+		{
+		return omxRetValue;
+		}
+
+	TInt err = aIndexArray.InsertInOrder(OMX_IndexParamNumAvailableStreams);
+	// Note that index duplication is OK.
+	if (err == KErrNone || err == KErrAlreadyExists)
+		{
+		err = aIndexArray.InsertInOrder(OMX_IndexParamActiveStream);
+		}
+				
+	if (err != KErrNone && err != KErrAlreadyExists)
+		{
+		return OMX_ErrorInsufficientResources;
+		}
+
+	return OMX_ErrorNone;
+	}
+
+OMX_ERRORTYPE COmxIL3GPDemuxerVideoOutputPort::GetLocalOmxConfigIndexes(RArray<TUint>& aIndexArray) const
+	{
+	return COmxILVideoPort::GetLocalOmxConfigIndexes(aIndexArray);
+	}
+
+OMX_ERRORTYPE COmxIL3GPDemuxerVideoOutputPort::GetParameter(OMX_INDEXTYPE aParamIndex,
+                                                            TAny* apComponentParameterStructure) const
+	{
+	switch(aParamIndex)
+		{		
+		case OMX_IndexParamNumAvailableStreams:
+			{
+			OMX_PARAM_U32TYPE* u32Type = reinterpret_cast<OMX_PARAM_U32TYPE*>(apComponentParameterStructure);
+			u32Type->nU32 = iProcessingFunction->NumAvailableStreams(COmxIL3GPDemuxer::EPortIndexVideoOutput);
+			return OMX_ErrorNone;
+			}
+
+		case OMX_IndexParamActiveStream:
+			{
+			OMX_PARAM_U32TYPE* u32Type = reinterpret_cast<OMX_PARAM_U32TYPE*>(apComponentParameterStructure);
+			u32Type->nU32 = iProcessingFunction->ActiveStream(COmxIL3GPDemuxer::EPortIndexVideoOutput);
+			return OMX_ErrorNone;
+			}
+	
+		default:
+			{
+			return COmxILVideoPort::GetParameter(aParamIndex, apComponentParameterStructure);
+			}
+		}
+	}
+
+OMX_ERRORTYPE COmxIL3GPDemuxerVideoOutputPort::SetParameter(OMX_INDEXTYPE aParamIndex,
+                                                            const TAny* apComponentParameterStructure,
+                                                            TBool& aUpdateProcessingFunction)
+	{
+	switch(aParamIndex)
+		{		
+		case OMX_IndexParamActiveStream:
+			{
+			const OMX_PARAM_U32TYPE* u32Type = reinterpret_cast<const OMX_PARAM_U32TYPE*>(apComponentParameterStructure);
+			return iProcessingFunction->SetActiveStream(COmxIL3GPDemuxer::EPortIndexVideoOutput, u32Type->nU32);
+			}
+
+		default:
+			{
+			return COmxILVideoPort::SetParameter(aParamIndex, apComponentParameterStructure, aUpdateProcessingFunction);
+			}
+		}
+	}
+
+OMX_ERRORTYPE COmxIL3GPDemuxerVideoOutputPort::SetFormatInPortDefinition(const OMX_PARAM_PORTDEFINITIONTYPE& aPortDefinition,
+                                                                TBool& aUpdateProcessingFunction)
+	{
+	const OMX_VIDEO_PORTDEFINITIONTYPE& newVidDef = aPortDefinition.format.video;
+	OMX_VIDEO_PORTDEFINITIONTYPE&  myVidDef = GetParamPortDefinition().format.video;
+
+	if (aPortDefinition.nBufferCountActual > KMaxVideoBuffers)
+		{
+		return OMX_ErrorBadParameter;
+		}
+
+	if(newVidDef.eColorFormat != OMX_COLOR_FormatUnused)
+		{
+		return OMX_ErrorBadParameter;
+		}
+
+	// change to FindInUnsignedKeyOrder if many more formats are added
+	// TODO this should allow OMX_VIDEO_CodingAutoDetect
+	if(GetSupportedVideoFormats().Find(newVidDef.eCompressionFormat) == KErrNotFound)
+		{
+		return OMX_ErrorBadParameter;
+ 		}
+
+	// copy the new port definition
+	myVidDef = newVidDef;
+	// ignore parameters which make no sense, either because the output is compressed or because
+	// we are not a display component
+	myVidDef.nSliceHeight = 0;
+	myVidDef.nStride = 0;
+	myVidDef.pNativeRender = NULL;
+	myVidDef.pNativeWindow = NULL;
+	
+	// ignore the MIME type - the field eCompressionFormat will identify the stream type.
+	// if we want to support GetParameter() for the MIME type, I think the component needs to
+	// make a copy of the C string passed in and return a pointer to that. (cMIMEType is a char*).
+	myVidDef.cMIMEType = NULL;
+	
+	aUpdateProcessingFunction = ETrue;
+
+	return OMX_ErrorNone;
+	}
+
+TBool COmxIL3GPDemuxerVideoOutputPort::IsTunnelledPortCompatible(const OMX_PARAM_PORTDEFINITIONTYPE& /*aPortDefinition*/) const
+	{
+	// This function only gets called on input ports, so panic if this is ever called
+	User::Panic(K3GPDemuxerVideoPortPanic, KErrGeneral);
+	return EFalse; // to keep compiler happy
+	}
+
+void COmxIL3GPDemuxerVideoOutputPort::FormatDetected(const TSize& aFrameSize, const TVideoFormat& aFormat)
+	{
+	GetParamPortDefinition().format.video.nFrameWidth  = aFrameSize.iWidth;
+	GetParamPortDefinition().format.video.nFrameHeight = aFrameSize.iHeight;
+	GetParamPortDefinition().format.video.eCompressionFormat = aFormat.iCoding;
+	// TODO deal with H263/AVC profile
+	}
+
+OMX_VIDEO_CODINGTYPE COmxIL3GPDemuxerVideoOutputPort::VideoFormat()
+	{
+	return GetParamPortDefinition().format.video.eCompressionFormat;
+	}
+
+/** Returns the number of buffers configured on this port. */
+TInt COmxIL3GPDemuxerVideoOutputPort::BufferCount() const
+	{
+	return GetParamPortDefinition().nBufferCountActual;
+	}