1 files changed, 0 insertions, 102 deletions
diff --git a/src/lib/delay_line.cc b/src/lib/delay_line.cc
deleted file mode 100644
index 45d8e9d9d..000000000
--- a/src/lib/delay_line.cc
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#include <stdint.h>
-#include <cstring>
-#include <algorithm>
-#include <iostream>
-#include "delay_line.h"
-#include "util.h"
-
-using std::min;
-using boost::shared_ptr;
-
-/** @param channels Number of channels of audio.
- *  @param frames Delay in frames, +ve to move audio later.
- */
-DelayLine::DelayLine (Log* log, int channels, int frames)
-	: AudioProcessor (log)
-	, _negative_delay_remaining (0)
-	, _frames (frames)
-{
-	if (_frames > 0) {
-		/* We need a buffer to keep some data in */
-		_buffers.reset (new AudioBuffers (channels, _frames));
-		_buffers->make_silent ();
-	} else if (_frames < 0) {
-		/* We can do -ve delays just by chopping off
-		   the start, so no buffer needed.
-		*/
-		_negative_delay_remaining = -_frames;
-	}
-}
-
-void
-DelayLine::process_audio (shared_ptr<AudioBuffers> data)
-{
-	if (_buffers) {
-		/* We have some buffers, so we are moving the audio later */
-
-		/* Copy the input data */
-		AudioBuffers input (*data.get ());
-
-		int to_do = data->frames ();
-
-		/* Write some of our buffer to the output */
-		int const from_buffer = min (to_do, _buffers->frames());
-		data->copy_from (_buffers.get(), from_buffer, 0, 0);
-		to_do -= from_buffer;
-
-		/* Write some of the input to the output */
-		int const from_input = to_do;
-		data->copy_from (&input, from_input, 0, from_buffer);
-
-		int const left_in_buffer = _buffers->frames() - from_buffer;
-
-		/* Shuffle our buffer down */
-		_buffers->move (from_buffer, 0, left_in_buffer);
-
-		/* Copy remaining input data to our buffer */
-		_buffers->copy_from (&input, input.frames() - from_input, from_input, left_in_buffer);
-
-	} else {
-
-		/* Chop the initial data off until _negative_delay_remaining
-		   is zero, then just pass data.
-		*/
-
-		int const to_do = min (data->frames(), _negative_delay_remaining);
-		if (to_do) {
-			data->move (to_do, 0, data->frames() - to_do);
-			data->set_frames (data->frames() - to_do);
-			_negative_delay_remaining -= to_do;
-		}
-	}
-
-	Audio (data);
-}
-
-void
-DelayLine::process_end ()
-{
-	if (_frames < 0) {
-		_buffers->make_silent ();
-		Audio (_buffers);
-	}
-}