prepare region/range loudness analysis

1 files changed, 74 insertions, 0 deletions

diff --git a/libs/ardour/ardour/analysis_graph.h b/libs/ardour/ardour/analysis_graph.h
new file mode 100644
index 0000000000..c042e25771
--- /dev/null
+++ b/libs/ardour/ardour/analysis_graph.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef __ardour_analysis_graph_h__
+#define __ardour_analysis_graph_h__
+
+#include <map>
+#include <set>
+#include <cstring>
+#include <boost/shared_ptr.hpp>
+
+#include "ardour/audioregion.h"
+#include "ardour/audioplaylist.h"
+#include "ardour/export_analysis.h"
+
+namespace AudioGrapher {
+	class Analyser;
+	template <typename T> class Chunker;
+	template <typename T> class Interleaver;
+}
+
+namespace ARDOUR {
+class AnalysisGraph {
+	public:
+		AnalysisGraph (ARDOUR::Session*);
+		~AnalysisGraph ();
+
+		void analyze_region (boost::shared_ptr<ARDOUR::AudioRegion>);
+		void analyze_range (boost::shared_ptr<ARDOUR::Route>, boost::shared_ptr<ARDOUR::AudioPlaylist>, const std::list<AudioRange>&);
+		const AnalysisResults& results () const { return _results; }
+
+		void cancel () { _canceled = true; }
+		bool canceled () const { return _canceled; }
+
+		void set_total_frames (framecnt_t p) { _frames_end = p; }
+		PBD::Signal2<void, framecnt_t, framecnt_t> Progress;
+
+	private:
+		ARDOUR::Session* _session;
+		AnalysisResults  _results;
+		framecnt_t       _max_chunksize;
+
+		ARDOUR::Sample*  _buf;
+		ARDOUR::Sample*  _mixbuf;
+		float*           _gainbuf;
+		framecnt_t       _frames_read;
+		framecnt_t       _frames_end;
+		bool             _canceled;
+
+		typedef boost::shared_ptr<AudioGrapher::Analyser> AnalysisPtr;
+		typedef boost::shared_ptr<AudioGrapher::Chunker<float> > ChunkerPtr;
+		typedef boost::shared_ptr<AudioGrapher::Interleaver<Sample> > InterleaverPtr;
+
+		InterleaverPtr  interleaver;
+		ChunkerPtr      chunker;
+		AnalysisPtr     analyser;
+};
+} // namespace ARDOUR
+#endif