Initial community commit

Src/Plugins/Output/out_ds/SoundBlock.cpp

@@ -0,0 +1,70 @@
+#include "SoundBlock.h"
+#include <memory.h>
+#include <malloc.h>
+
+SoundBlock::SoundBlock()
+{
+	data = 0;
+	size = 0;
+	next = 0;
+	prev = 0;
+	start = 0;
+	used = 0;
+}
+
+SoundBlock::~SoundBlock()
+{
+	if (data) free(data);
+}
+
+void SoundBlock::SetData(void *new_data, size_t new_size)
+{
+	if (!data) data = malloc(new_size);
+	else if (new_size > size)
+	{
+		data = realloc(data, new_size);
+		if (!data) data = malloc(new_size);
+		else size = new_size;
+	}
+
+	if (data)
+	{
+		memcpy(data, new_data, new_size);
+		used = new_size;
+	}
+	else
+	{
+		used = 0;
+	}
+	start = 0;
+}
+
+void SoundBlock::Advance(size_t d)
+{
+	used -= d;
+	start += d;
+}
+
+const void *SoundBlock::GetData()
+{
+	return (char*)data + start;
+}
+
+size_t SoundBlock::GetDataSize()
+{
+	return used;
+}
+
+size_t SoundBlock::Dump(void * out, size_t out_size)
+{
+	const void * src = GetData();
+	if (out_size > used) out_size = used;
+	memcpy(out, src, out_size);
+	Advance(out_size);
+	return out_size;
+}
+
+void SoundBlock::Clear()
+{
+	used = 0;
+}