- added mix

- redesigned multi buffer

delay/buffer.hpp

@@ -49,7 +49,7 @@ class Buffer
 	std::vector<T> &m_buffer;
 	
 	public:
-	Buffer(size_t capacity)
+	Buffer(size_t capacity=1)
 	: m_index(0)
 	, m_mask(0)
 	, m_offset(0)
@@ -59,7 +59,6 @@ class Buffer
 	, m_allocated_capacity(1)
 	{
 		resize(capacity);
-		m_buffer.assign(m_allocated_capacity, T());
 	}
 
 	Buffer(const Buffer<T> &buffer, int offset=0, uint increment=1)
@@ -82,7 +81,7 @@ class Buffer
 	, m_buffer(*new std::vector<T>(v))
 	, m_allocated_capacity(1)
 	{
-		resize(v.size());
+		resize(v.size(), false);
 	}
 
 	size_t capacity() const
@@ -95,13 +94,18 @@ class Buffer
 		m_index = 0;
 	}
 
-	void resize(uint capacity)
+	void resize(uint capacity, bool doAssign=true)
 	{
 		m_allocated_capacity = 1;
 		while (m_allocated_capacity < capacity)
 		{
 			m_allocated_capacity *= 2;
 		}
+
+		if (doAssign)
+		{
+			m_buffer.assign(m_allocated_capacity, T());
+		}
 		 
 		m_capacity = capacity;
 		m_mask = unsigned(m_allocated_capacity - 1);
@@ -163,6 +167,33 @@ class Buffer
 		return true;
 	}
 
+	Buffer& operator = (const std::initializer_list<T> &v)
+	{
+		if (v.size() > m_allocated_capacity)
+		{
+			resize(v.size());
+		}
+
+		int i=0;
+		for (auto v_: v)
+		{
+			(*this)[i++] = v_;
+		}
+		return *this;
+	}
+
+	Buffer& operator = (const Buffer<T> &other)
+	{
+		m_buffer = other.m_buffer;
+		m_index = other.m_index;
+		m_mask = other.m_mask;
+		m_offset = other.m_offset;
+		m_increment = other.m_increment;
+		m_capacity = other.m_capacity;
+		m_allocated_capacity = other.m_allocated_capacity;
+		return *this;
+	}
+
 
 protected: