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-rw-r--r--core/bufferline.h17
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+#ifndef CORE_BUFFERLINE_H
+#define CORE_BUFFERLINE_H
+
+#include <array>
+
+#include "alspan.h"
+
+/* Size for temporary storage of buffer data, in floats. Larger values need
+ * more memory and are harder on cache, while smaller values may need more
+ * iterations for mixing.
+ */
+constexpr int BufferLineSize{1024};
+
+using FloatBufferLine = std::array<float,BufferLineSize>;
+using FloatBufferSpan = al::span<float,BufferLineSize>;
+
+#endif /* CORE_BUFFERLINE_H */