gtk2_ardour/audio_streamview.h

   1 /*
   2     Copyright (C) 2001, 2006 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (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., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #ifndef __ardour_audio_streamview_h__
  20 #define __ardour_audio_streamview_h__
  21
  22 #include <list>
  23 #include <map>
  24 #include <cmath>
  25
  26 #include <boost/weak_ptr.hpp>
  27
  28 #include <ardour/location.h>
  29 #include "editing.h"
  30 #include "simplerect.h"
  31 #include "streamview.h"
  32
  33 namespace Gdk {
  34         class Color;
  35 }
  36
  37 namespace ARDOUR {
  38         class Route;
  39         class Diskstream;
  40         class Crossfade;
  41         class PeakData;
  42         class AudioRegion;
  43         class Source;
  44 }
  45
  46 class PublicEditor;
  47 class Selectable;
  48 class AudioTimeAxisView;
  49 class AudioRegionView;
  50 class RegionSelection;
  51 class CrossfadeView;
  52 class Selection;
  53
  54 class AudioStreamView : public StreamView
  55 {
  56   public:
  57         AudioStreamView (AudioTimeAxisView&);
  58         ~AudioStreamView ();
  59
  60         void set_waveform_shape (Editing::WaveformShape);
  61         Editing::WaveformShape get_waveform_shape () const { return _waveform_shape; }
  62         void set_waveform_scale (Editing::WaveformScale);
  63         Editing::WaveformScale get_waveform_scale () const { return _waveform_scale; }
  64
  65         int set_height (gdouble h);
  66         int set_samples_per_unit (gdouble spp);
  67
  68         int     set_amplitude_above_axis (gdouble app);
  69         gdouble get_amplitude_above_axis () { return _amplitude_above_axis; }
  70
  71         void set_show_waveforms (bool yn);
  72         void set_show_waveforms_recording (bool yn) { use_rec_regions = yn; }
  73
  74         void foreach_crossfadeview (void (CrossfadeView::*pmf)(void));
  75
  76         void show_all_fades ();
  77         void hide_all_fades ();
  78
  79         void show_all_xfades ();
  80         void hide_all_xfades ();
  81         void hide_xfades_involving (AudioRegionView&);
  82         void reveal_xfades_involving (AudioRegionView&);
  83
  84   private:
  85         void setup_rec_box ();
  86         void rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<ARDOUR::Source> src);
  87         void update_rec_regions ();
  88
  89         void add_region_view_internal (boost::shared_ptr<ARDOUR::Region>, bool wait_for_waves, bool recording = false);
  90         void remove_region_view (boost::weak_ptr<ARDOUR::Region> );
  91         void remove_audio_region_view (boost::shared_ptr<ARDOUR::AudioRegion> );
  92
  93         void undisplay_diskstream ();
  94         void redisplay_diskstream ();
  95         void playlist_modified ();
  96         void playlist_changed (boost::weak_ptr<ARDOUR::Diskstream>);
  97
  98         void add_crossfade (boost::shared_ptr<ARDOUR::Crossfade>);
  99         void add_crossfade_weak (boost::weak_ptr<ARDOUR::Crossfade>);
 100         void remove_crossfade (boost::shared_ptr<ARDOUR::Crossfade>);
 101
 102         void color_handler ();
 103
 104
 105         double _amplitude_above_axis;
 106
 107         typedef list<CrossfadeView*> CrossfadeViewList;
 108         CrossfadeViewList crossfade_views;
 109         bool              crossfades_visible;
 110
 111         list<sigc::connection>     peak_ready_connections;
 112         nframes_t             last_rec_peak_frame;
 113         map<boost::shared_ptr<ARDOUR::Source>, bool> rec_peak_ready_map;
 114
 115         bool outline_region;
 116
 117         Editing::WaveformShape     _waveform_shape;
 118         Editing::WaveformScale     _waveform_scale;
 119 };
 120
 121 #endif /* __ardour_audio_streamview_h__ */