libs/ardour/ardour/analysis_graph.h

   1 /*
   2  * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 #ifndef __ardour_analysis_graph_h__
  20 #define __ardour_analysis_graph_h__
  21
  22 #include <map>
  23 #include <set>
  24 #include <cstring>
  25 #include <boost/shared_ptr.hpp>
  26
  27 #include "ardour/audioregion.h"
  28 #include "ardour/audioplaylist.h"
  29 #include "ardour/export_analysis.h"
  30 #include "ardour/libardour_visibility.h"
  31
  32 namespace AudioGrapher {
  33         class Analyser;
  34         template <typename T> class Chunker;
  35         template <typename T> class Interleaver;
  36 }
  37
  38 namespace ARDOUR {
  39 class LIBARDOUR_API AnalysisGraph {
  40         public:
  41                 AnalysisGraph (ARDOUR::Session*);
  42                 ~AnalysisGraph ();
  43
  44                 void analyze_region (boost::shared_ptr<ARDOUR::AudioRegion>);
  45                 void analyze_range (boost::shared_ptr<ARDOUR::Route>, boost::shared_ptr<ARDOUR::AudioPlaylist>, const std::list<AudioRange>&);
  46                 const AnalysisResults& results () const { return _results; }
  47
  48                 void cancel () { _canceled = true; }
  49                 bool canceled () const { return _canceled; }
  50
  51                 void set_total_frames (framecnt_t p) { _frames_end = p; }
  52                 PBD::Signal2<void, framecnt_t, framecnt_t> Progress;
  53
  54         private:
  55                 ARDOUR::Session* _session;
  56                 AnalysisResults  _results;
  57                 framecnt_t       _max_chunksize;
  58
  59                 ARDOUR::Sample*  _buf;
  60                 ARDOUR::Sample*  _mixbuf;
  61                 float*           _gainbuf;
  62                 framecnt_t       _frames_read;
  63                 framecnt_t       _frames_end;
  64                 bool             _canceled;
  65
  66                 typedef boost::shared_ptr<AudioGrapher::Analyser> AnalysisPtr;
  67                 typedef boost::shared_ptr<AudioGrapher::Chunker<float> > ChunkerPtr;
  68                 typedef boost::shared_ptr<AudioGrapher::Interleaver<Sample> > InterleaverPtr;
  69
  70                 InterleaverPtr  interleaver;
  71                 ChunkerPtr      chunker;
  72                 AnalysisPtr     analyser;
  73 };
  74 } // namespace ARDOUR
  75 #endif