Initial community commit

Src/Plugins/Output/out_ds/SoundBlockList.cpp

@@ -0,0 +1,129 @@
+#include "SoundBlockList.h"
+#include <memory.h>
+
+void SoundBlockList::AddBlock(void * data, size_t size)
+{
+	SoundBlock * b = remove(b_free);
+	if (!b) b=new SoundBlock;
+
+	b->SetData(data,size);
+
+	mount2(b_first,b,b_last);
+
+	data_buffered+=size;
+#ifdef USE_LOG
+	char boo[256] = {0};
+	wsprintf(boo,"AddBlock: %u, +%u",data_buffered,size);
+	log_write(boo);
+#endif
+}
+
+size_t SoundBlockList::DumpBlocks(void * out1, size_t size1)
+{
+	char * p1=(char*)out1;
+	size_t rv=0;
+	while(b_last && size1)
+	{
+		if (size1)
+		{
+			size_t d=b_last->Dump(p1,size1);
+			p1+=d;
+			size1-=d;
+			rv+=d;
+		}
+		if (b_last->GetDataSize()==0)
+		{
+			mount(b_free,removelast(b_first,b_last));
+		}
+	}
+	if (size1) memset(p1,silence_filler,size1);
+
+	data_buffered-=rv;
+	return rv;
+}
+
+void SoundBlockList::Reset()
+{
+	if (b_first)
+	{
+		connect(b_last,b_free);
+		b_free=b_first;
+	}
+
+	b_first=0;
+	b_last=0;
+	data_buffered=0;
+}
+
+SoundBlockList::~SoundBlockList()
+{
+	SoundBlock * p;
+	while(b_first)
+	{
+		p=b_first;
+		b_first=b_first->next;
+		delete p;
+	}
+	while(b_free)
+	{
+		p=b_free;
+		b_free=b_free->next;
+		delete p;
+	}
+}
+
+size_t SoundBlockList::DataSize()
+{
+	return data_buffered;
+}
+
+SoundBlockList::SoundBlockList(int sil)
+{
+	b_first = 0;b_last = 0;b_free = 0;data_buffered = 0;silence_filler = sil;
+}
+
+void SoundBlockList::advance(SoundBlock * &b)
+{
+	b = b->next;
+}
+
+void SoundBlockList::goback(SoundBlock * &b)
+{
+	b = b->prev;
+}
+
+void SoundBlockList::mount(SoundBlock * &first, SoundBlock * add)
+{
+	connect(0, add);
+	connect(add, first);
+	first = add;
+}
+void SoundBlockList::mount2(SoundBlock * &first, SoundBlock * add, SoundBlock * &last)
+{
+	mount(first, add);
+	if (!last) last = add;
+}
+SoundBlock *SoundBlockList::remove(SoundBlock * &list)
+{
+	SoundBlock * b = list;
+	if (b)
+	{
+		advance(list);
+		connect(0, list);
+		connect(b, 0);
+	}
+	return b;
+}
+
+SoundBlock *SoundBlockList::removelast(SoundBlock * &first, SoundBlock * &last)
+{
+	SoundBlock * b = last;
+	if (b)
+	{
+		goback(last);
+		connect(last, 0);
+		connect(0, b);
+		if (!last) first = 0;
+	}
+	return b;
+}