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C++ AP4_Array::SetItemCount方法代码示例

本文整理汇总了C++中AP4_Array::SetItemCount方法的典型用法代码示例。如果您正苦于以下问题:C++ AP4_Array::SetItemCount方法的具体用法?C++ AP4_Array::SetItemCount怎么用?C++ AP4_Array::SetItemCount使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在AP4_Array的用法示例。


在下文中一共展示了AP4_Array::SetItemCount方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: if

/*----------------------------------------------------------------------
|   AP4_Processor::MuxStream
+---------------------------------------------------------------------*/
AP4_Result
AP4_Processor::MuxStream(
	AP4_Array<AP4_ByteStream *> &input,
	AP4_ByteStream& output,
	AP4_UI08		partitions,
	AP4_AtomFactory& atom_factory)
{
	AP4_Result		result;
	AP4_UI64		stream_offset = 0;

	if (partitions & 1)
	{
		// read all atoms.
		// keep all atoms except [mdat]
		// keep a ref to [moov]
		// put [moof] atoms in a separate list
		AP4_AtomParent              top_level;
		AP4_Array<AP4_MoovAtom*>	moov;
		AP4_Size					track_count(0);

		for(AP4_Size streamid(0); streamid < input.ItemCount(); ++streamid)
		{
			for (AP4_Atom* atom = NULL; AP4_SUCCEEDED(atom_factory.CreateAtomFromStream(*input[streamid], atom)); input[streamid]->Tell(stream_offset))
			{
				if (atom->GetType() == AP4_ATOM_TYPE_MFRA) {
					delete atom;
					continue;
				}
				else if (atom->GetType() == AP4_ATOM_TYPE_SIDX) {
					delete atom;
					continue;
				}
				else if (atom->GetType() == AP4_ATOM_TYPE_SSIX) {
					delete atom;
					continue;
				}
				if (streamid == 0)
					top_level.AddChild(atom);
				else if (atom->GetType() != AP4_ATOM_TYPE_MOOV)
					delete atom;
				if (atom->GetType() == AP4_ATOM_TYPE_MOOV)
				{
					moov.Append(AP4_DYNAMIC_CAST(AP4_MoovAtom,atom));
					break;
				}
			}
			if (moov.ItemCount() == streamid)
				return AP4_ERROR_INVALID_FORMAT;
			
			while (AP4_SUCCEEDED(moov[streamid]->DeleteChild(AP4_ATOM_TYPE_PSSH, 0)));

			// Remove tracks we cannot handle
			for (AP4_List<AP4_TrakAtom>::Item *item(moov[streamid]->GetTrakAtoms().FirstItem()); item;)
				if (!item->GetData()->FindChild("mdia/minf/stbl"))
					moov[streamid]->GetTrakAtoms().Remove(item);
				else
					item = item->GetNext();
			track_count += moov[streamid]->GetTrakAtoms().ItemCount();
		}

		// initialize the processor
		if (AP4_FAILED(result = Initialize(top_level, *input[0]))) 
			return result;

		// process the tracks if we have a moov atom
		m_TrackData.SetItemCount(track_count);
		m_StreamData.SetItemCount(input.ItemCount());
	
		//NormalizeTREX(mvex, 0, m_TrackCounts[0], m_TrackCounts[1]);
		AP4_Cardinal internal_index(0);
		AP4_ContainerAtom *mvex_base(0);
		AP4_List<AP4_TrakAtom>::Item *item = NULL;

		for (AP4_Size streamid(0); streamid < input.ItemCount(); ++streamid)
		{
			m_StreamData[streamid].trackStart = internal_index;
			m_StreamData[streamid].stream = input[streamid];
			if (streamid)
				moov[0]->AddTrakAtoms(moov[streamid]->GetTrakAtoms(), item);
			else
				item = moov[streamid]->GetTrakAtoms().FirstItem();

			for (; item; item = item->GetNext())
			{
				PERTRACK &track_data(m_TrackData[internal_index]);
				track_data.original_id = item->GetData()->GetId();
				item->GetData()->SetId(track_data.new_id = internal_index + 1);

        if (AP4_MdhdAtom* mdhd = AP4_DYNAMIC_CAST(AP4_MdhdAtom, item->GetData()->FindChild("mdia/mdhd")))
          track_data.timescale = mdhd->GetTimeScale();
        else
          track_data.timescale = 1;
        
        AP4_ContainerAtom *mvex = AP4_DYNAMIC_CAST(AP4_ContainerAtom, moov[streamid]->GetChild(AP4_ATOM_TYPE_MVEX, 0));
				if (!mvex)
					return AP4_ERROR_INVALID_FORMAT;
				
//.........这里部分代码省略.........
开发者ID:AchimTuran,项目名称:inputstream.mpd,代码行数:101,代码来源:Ap4Processor.cpp


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