new internal port type, round I, plus tiny fix for legalize_for_xml() (also for 2.0-ongoing)

git-svn-id: svn://localhost/ardour2/trunk@2559 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 7 insertions, 0 deletions

diff --git a/libs/ardour/ardour/buffer.h b/libs/ardour/ardour/buffer.h
index 18c83f8bfb..fd94360226 100644
--- a/libs/ardour/ardour/buffer.h
+++ b/libs/ardour/ardour/buffer.h
@@ -59,6 +59,13 @@ public:
 	DataType type() const { return _type; }
 
 	bool silent() const { return _silent; }
+	
+	/** Reallocate the buffer used internally to handle at least @a size_t units of data.
+	 *
+	 * The buffer is not silent after this operation. the @a capacity argument
+	 * passed to the constructor must have been non-zero.
+	 */
+	virtual void resize(size_t) = 0;
 
 	/** Clear (eg zero, or empty) buffer starting at TIME @a offset */
 	virtual void silence(nframes_t len, nframes_t offset=0) = 0;