1 files changed, 0 insertions, 109 deletions
diff --git a/src/lib/audio_merger.h b/src/lib/audio_merger.h
deleted file mode 100644
index 226601e0e..000000000
--- a/src/lib/audio_merger.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
-    Copyright (C) 2013 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 "audio_buffers.h"
-#include "util.h"
-
-template <class T, class F>
-class AudioMerger
-{
-public:
-	AudioMerger (int channels, boost::function<F (T)> t_to_f, boost::function<T (F)> f_to_t)
-		: _buffers (new AudioBuffers (channels, 0))
-		, _last_pull (0)
-		, _t_to_f (t_to_f)
-		, _f_to_t (f_to_t)
-	{}
-
-	/** Pull audio up to a given time; after this call, no more data can be pushed
-	 *  before the specified time.
-	 */
-	TimedAudioBuffers<T>
-	pull (T time)
-	{
-		TimedAudioBuffers<T> out;
-		
-		F const to_return = _t_to_f (time - _last_pull);
-		out.audio.reset (new AudioBuffers (_buffers->channels(), to_return));
-		/* And this is how many we will get from our buffer */
-		F const to_return_from_buffers = min (to_return, _buffers->frames ());
-		
-		/* Copy the data that we have to the back end of the return buffer */
-		out.audio->copy_from (_buffers.get(), to_return_from_buffers, 0, to_return - to_return_from_buffers);
-		/* Silence any gap at the start */
-		out.audio->make_silent (0, to_return - to_return_from_buffers);
-		
-		out.time = _last_pull;
-		_last_pull = time;
-		
-		/* And remove the data we're returning from our buffers */
-		if (_buffers->frames() > to_return_from_buffers) {
-			_buffers->move (to_return_from_buffers, 0, _buffers->frames() - to_return_from_buffers);
-		}
-		_buffers->set_frames (_buffers->frames() - to_return_from_buffers);
-
-		return out;
-	}
-
-	void
-	push (boost::shared_ptr<const AudioBuffers> audio, T time)
-	{
-		assert (time >= _last_pull);
-
-		F frame = _t_to_f (time);
-		F after = max (_buffers->frames(), frame + audio->frames() - _t_to_f (_last_pull));
-		_buffers->ensure_size (after);
-		_buffers->accumulate_frames (audio.get(), 0, frame - _t_to_f (_last_pull), audio->frames ());
-		_buffers->set_frames (after);
-	}
-
-	F min (F a, int b)
-	{
-		if (a < b) {
-			return a;
-		}
-
-		return b;
-	}
-
-	F max (int a, F b)
-	{
-		if (a > b) {
-			return a;
-		}
-
-		return b;
-	}
-		
-	TimedAudioBuffers<T>
-	flush ()
-	{
-		if (_buffers->frames() == 0) {
-			return TimedAudioBuffers<T> ();
-		}
-		
-		return TimedAudioBuffers<T> (_buffers, _last_pull);
-	}
-	
-private:
-	boost::shared_ptr<AudioBuffers> _buffers;
-	T _last_pull;
-	boost::function<F (T)> _t_to_f;
-	boost::function<T (F)> _f_to_t;
-};